All Questions +0 157558 Questions

What is the value of cos 0 given that (-2,9) is a point on the terminal side of 0?

Guest 5 hours ago

Help please

What is the value of sin 0 given that (-6,-8) is a point on the terminal side of 0?

Guest 5 hours ago

Trig questions

The line with equation -a+3b=0 conincides with the terminal side of an angle 0 (with a line through it) in standard position and sin 0 (line through it) < 0

What would the value of cos 0 (with a line through it)?

Guest 5 hours ago

Trig question

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JohnLester1 5 hours ago

help please!

Find the polynomial p(x), with real coefficients, such that p(2) = 5 and p(x) p(y) = p(x) + p(y) + p(xy) - 2 or all real numbers x and y.

The shape ABC is an triangle, AB = 64 mi, BC = 32.6 mi. Angle ABC is 74 degrees. Using the cosine rule, calculate the distance of AC

Guest 5 hours ago

need help now

Artie's dad's house is 21 ft tall. If Artie's dad is at the top of the house installing shingles, and his son Artie is on the ground 12 ft away from the base of his dad's house, what is the angle of depression from the top of the house to the spot where read more ..

Guest 6 hours ago

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A committee consisting of 4 faculty members and 5 students is to be formed. Every committee position has the same duties and voting rights. There are 8 faculty members and 15 students eligible to serve on the committee. In how many ways can the committee read more ..

Guest 6 hours ago

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A tank can be filled by one pump in 3.2 hours and by another pump in 80 minutes. A third pump can drain the tank in 2 hours and 20 minutes. If all 3 pumps go into operation, how long will it take to fill the tank?

Guest 7 hours ago

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Yellow Cab Taxi charges a $1.75 flat rate for a ride in the cab. In addition to that, they charge $0.45 per mile. Katie has no more than $12 to spend on a ride. At most, how many miles can Katie travel without exceeding her spending limit?

Guest 7 hours ago

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Find area of the isosceles triangle formed by the vertex and the x-intercepts of parabola y=x^2+4x−12.

Guest 8 hours ago

please help

How many distinct diagonals of a convex heptagon (7-sided polygon) can be drawn?

Guest 8 hours ago

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A quadratic equation is given below.
2x² - 8x + c = y
If the graph of this quadratic equation has a minimum value at (2, 10), what is the value of c?

Guest 9 hours ago

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Supposed you go to a conference attended by 20 canadians and 20 norwegians. How many people must you meet to be certain that you have met two people of the same nationality?

Guest 9 hours ago

please help!

Larry rides his bike at a rate of 8.8 inches per second. About how m any miles per hour can Larry ride his bike?

Guest 10 hours ago

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Let $p(x)$ be the polynomial $(1-x)^a(1-x^2)^b(1-x^3)^c\cdots(1-x^{32})^k$, where $a, b, \cdots, k$ are integers. When expanded in powers of $x$, the coefficient of $x^1$ is $-2$ and the coefficients of $x^2$, $x^3$, ..., $x^{32}$ are all zero. Find $k$. read more ..

Guest 10 hours ago

+41

1988 USAMO Problem 5

(b) A machine in a food canning factory produces 250 cans every hour. How many cans would be produced in 25 minutes?

(C) If 14 pens cost $5.60, find the cost of 3 pens.

USAMO2019 10 hours ago

need help on these

general question: how do i even write equivalent expressions to like a given expression?
the question for example asks for an equivalent expression if you are given 5^4x-3
(sorry i did not know how to write that in latex)
i have tried this question read more ..

Guest 11 hours ago

+679

simple question i am overthinking once again

For what real values of $c$ is $x^2 + 16x + c$ the square of a binomial? If you find more than one, then list your values separated by commas.

Nirvana 11 hours ago

Please help! Thank you!

During the budget crisis in California, RCC Business Department was forced to cut 48 sections of classes for the Fall 2011 term. This was a 40% cut. How many sections were offered by the Department before the 40% cut?

Guest 11 hours ago

Jan 19, 2020

help

Below is a magic square, meaning that the sum of the numbers in each row, in each column, and in each of the 2 main diagonals are equal. What is the value of n?
https://docs.google.com/document/d/1WcE0KL96EoktrFj81tNFmbErzg-4e4xroA6KDkorbaQ/edit?usp=sharing read more ..

Guest Jan 19, 2020, 11:46 PM

helppp

The probability of a potential employee passing a training course is 86%. If you selected 15 potential employees and gave them the training course, what is the probability that 11 or less will pass the test?

Guest Jan 19, 2020, 11:31 PM

help

A 13 foot long ramp rises 5 feet from the first floor to the second floor. What is the distance from the base of the ramp to the bottom of the first floor?

Guest Jan 19, 2020, 11:25 PM

i need help

A kite is flying above the ground at the end of a 100 feet of string. If the angle of elevation of the kite is 65°, how high above the ground is the kite flying?

Guest Jan 19, 2020, 10:45 PM

help

A sine function has the following key features:
Period = 4
Amplitude = 3
Midline: y= −1 read more ..

Guest Jan 19, 2020, 10:33 PM

A sine function has the following key features-

Alex is 12 years older than George Carl is three times older than Alex The sum of their ages is 68 Find the ratio of George's age to Carl's age.

PeerlessCucumber Jan 19, 2020, 10:31 PM

help

Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1325. What was the rate charged per hour by each mechanic if the sum of the two rates was $170 per hour? read more ..

Guest Jan 19, 2020, 10:16 PM

help

At an ocean depth of 20 meters, a buoy bobs up and then down 2 meters from the ocean's depth. Four seconds pass from the time the buoy is at its highest point to when it is at its lowest point. Assume at x = 0, the buoy is at normal ocean read more ..

Guest Jan 19, 2020, 10:03 PM

At an ocean depth of 20 meters, a buoy bobs up and then down 2 meters from the ocean's depth.

A researcher observes and records the height of a weight moving up and down on the end of a spring. At the beginning of the observation the weight was at its highest point. From its resting position, it takes 12 seconds for the weight to reach read more ..

Guest Jan 19, 2020, 10:00 PM

A researcher observes and records the height of a weight moving up and down on the end of a spring.

A sine function has the following key features:
Period = π
Amplitude = 2
Midline: y=−2 read more ..

Guest Jan 19, 2020, 9:57:04 PM

A sine function has the following key features:

A round swimming pool has a circumference of 66 feet. Carlos wants to buy a rope to put across the diameter of the pool. the rope costs $0.45 per foot, and Carlos needs 4 more than the diameter of the pool. How much will Carlos pay for the rope and what read more ..

Guest Jan 19, 2020, 9:50:39 PM

help

In triangle ABC, angle A = 2 * angle B. Prove that the side lengths satisfy a^2 = b(b + c).

Guest Jan 19, 2020, 9:33:36 PM

help please

Ten points are chosen on a circle. A line segment is drawn between every pair of chosen points. How many line segments are drawn?

Guest Jan 19, 2020, 9:17:21 PM

Need help...

Yvette has six beads that she is going to assemble into a bracelet. Two of the six beads have the same color, and the remaining four all have different colors. How many different ways can Yvette assemble her bracelet? (Two bracelets are considered identical read more ..

Guest Jan 19, 2020, 9:10:50 PM

Help...

There are 18 chairs numbered from 1-18 through around a circular table. How many ways can three people be seated, so that no two people are adjacent?

Anty the ant starts at the point (0,0) in the coordinate plane. At each read more ..

Guest Jan 19, 2020, 9:10:04 PM

I need help on these...

Last month the balance on your credit card was $785. Your new balance is $540. what percent of your total balance did you pay

Guest Jan 19, 2020, 9:09:35 PM

help

how many integers between 100 and 150 have three different digits in increasing order? (for example, 129, 158, etc.)

Guest Jan 19, 2020, 9:06:24 PM

+188

help :(

A building 30 feet tall casts a shadow 20 feet long. A person 6 feet tall is walking directly away from the building toward the edge of the building shadow. How far from the building will the person be when the person shadow just begins to emerge from that read more ..

atlas9 Jan 19, 2020, 8:37:05 PM

help

On Decemeber 18th, there is a 75% chance that Santa will come to the mall that day and a 55% chance that your best friend will be at the mall. There is a 40% chance that your best friend will be there AND Santa will come to that mall. What is the probability read more ..

Guest Jan 19, 2020, 6:34:01 PM

help

If 6x^4+8x^3-5x^2+ax+b is completely divisible by 2x^2-5 then find the value of a and b.

Guest Jan 19, 2020, 6:30:18 PM

Please help

90 percent of the students at a school went on to go university and of these 30 percent stayed on to study a masters degree calculate the percentage of the students at the school who went to study a masters degree

Guest Jan 19, 2020, 6:25:44 PM

help

Given: circle O,
line ST is tangent to the circle at point T. Congruent angles are marked.
Find x.
read more ..

Guest Jan 19, 2020, 6:19:13 PM

+46

PLEASE HELP!!!

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xxJenny1213xx Jan 19, 2020, 5:56:29 PM

help

There is a 85% chance that you will go to a Eagles concert given that the weather is good. If there is a 60% chance that the weather is good, what is the chance that you go to the concert and the weather is good?

Assume the world catch of fish in 1950 was 12 million tons and in 1955 it was 96 million tons. Find the average rate of change from 1950 to 1995.

Guest Jan 19, 2020, 5:36:43 PM

help

convert 100_64 to a number base 62.

can i convert 100_64 to decimal first then to base 62?

Guest Jan 19, 2020, 5:31:58 PM

+188

help with bases

Quadrilateral ABCD is convex. Let M be the midpoint of AD, and let N be the midpoint of BC. Prove that MN is greater than or equal to (AB+CD)/2.
If MN=(AB+CD)/2, then what can you say about quadrilateral ABCD.

atlas9 Jan 19, 2020, 5:15:05 PM

Help please

Guest Jan 19, 2020, 5:09:28 PM

help

Justin got pepperoni, banana peppers, and black olives on his pizza for a cost of $7.49. Jake ordered mushrooms and eggplant on his pizza and paid $6.99. Using this information, how much did each topping cost? And what does a plain pizza cost with no extra read more ..

Let m be a positive integer. In triangle ABC, AB=4,-9, AC=3m+1, BC=3m+4 and angle A > angle B > angle C. How many possible values of m are there?
read more ..

Guest Jan 19, 2020, 5:06:57 PM

Help

what is the least value of such that ?

Guest Jan 19, 2020, 5:01:28 PM

+72

algebra b help

The line graph shows the miles per gallon for a car.
What is the unit rate of gas usage for the car?

pinklemonade Jan 19, 2020, 4:51:48 PM

help

$40$ is $120\%$ of what number?

Guest Jan 19, 2020, 4:33:00 PM

+42

HELPW

Henry gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many smarties as cola bottles. He also picks twice as many marshmallows as smarties. What proportion of the bag of sweets are marshmallows? Give your read more ..

Paresh247 Jan 19, 2020, 3:55:51 PM

help

Initially, $40\%$ of the students at the school dance are girls. Then, $15$ more girls arrive, after which $52\%$ of the students at the dance are girls. How many students are now at the dance after the additional girls arrive?

Guest Jan 19, 2020, 3:52:56 PM

HELP

In the diagram below, we have and . Find the length .

Guest Jan 19, 2020, 3:46:46 PM

Need Help

A rose garden is formed by joining a rectangle and a semicircle. The rectangle is 28 ft long and 22 ft wide. If the gardener wants to build a fence around the garden, how many feet of fence are required.

Guest Jan 19, 2020, 3:40:59 PM

help

Guest Jan 19, 2020, 2:52:37 PM

what is bigger 4/5 or 6/7

This question concerns the function
f(x)=1/3x^3+x^2-3x-8

Find the exact x and y coordinates of the stationary points of f read more ..

Guest Jan 19, 2020, 12:45 PM

Please help!!!

It takes 5.6 litres of paint to paint a chimney that is 3m high. what is the tallest similar chimney that can be painted with 8 litres of paint?

Guest Jan 19, 2020

help

Find the probability of exactly 3 successes in 6 trials of a binomial experiment in which the probability of success if 50%. round to the nearest tenth of a percent.

Guest Jan 19, 2020

please help

(a) Simplify

(b) In the expansion of , there exist three consecutive coefficients a, b, c that satisfy a:b:c = 1:7:35. Find the positive integer n.

Guest Jan 19, 2020

binomial problem

A silver statue of Pooja is leaning against a wall. The top of her head touches the wall at 40 feet. If the base of the statue is 9 feet away from the wall, how tall is Pooja’s statue, in feet?

Guest Jan 19, 2020

help

What amount of a 75% acid solution must be mixed with a 25% solution to produce 500 mL of a 60% solution?

Guest Jan 19, 2020

help

My friend sets out walking at a speed of $3$ miles per hour. I set out behind her $5$ minutes later at $4$ miles per hour. When I start walking, how many miles has my friend traveled?

Guest Jan 19, 2020

Please help!!!

Kevin will start with the integers 1, 2, 3 and 4 each used exactly once and written in a row in any order. Then he will find the sum of the adjacent pairs of integers in each row to make a new row, until one integer is left. For example, if he starts with read more ..

Guest Jan 19, 2020

Help...

A tennis coach divides her 9-player squad into three 3-player groups with each player in only one group. How many different sets of three groups can be made?

I have tried 9C3 * 6C3 * 3C3 but it doesn't appear to work...
Somebody read more ..

Guest Jan 19, 2020

I can't figure this out..

The faces of a cube are to be numbered with integers 1 through 6 in such a way that consecutive numbers are always on adjacent faces (not opposite ones). The face numbered 1 is on top and the face numbered 2 is toward the front. In how many different ways read more ..

Guest Jan 19, 2020

I don't understand...

There are 18 chairs numbered from 1 through 18 around a circular table. How many ways can three people be seated, so that no two people are adjacent?

Guest Jan 19, 2020

+42

There are 18 chairs numbered from 1 through 18 around a circular table. How many ways can three people be seated, so that no two people are

Patricio has a collection of dimes and quarters. overall he has 51 coins and their total value is $10.35.how many quarters and how many dimes does he have?

mathmathj28 Jan 19, 2020

help

A number $x$ is equal to $7\cdot24\cdot48$. What is the smallest positive integer $y$ such that the product $xy$ is a perfect cube?

Guest Jan 19, 2020

+42

How many ways are there to form a 7-digit code where each digit can be from 0 to 9 and the product of all the digits in the code is 10,000?

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mathmathj28 Jan 19, 2020

+42

HELP

Gregory has $\frac{2}{3}$ of an entire pizza. If he gives $\frac{1}{4}$ of an entire pizza to his friend Marlene, what fraction of his partial pizza did he give to Marlene?

Paresh247 Jan 19, 2020

+42

HELP ME PLS

The product of two 2-digit numbers is $3774$. What is the smaller of the two numbers?

Paresh247 Jan 19, 2020

Jan 18, 2020

+42

BROO HELP

Find the number of ways of arranging the numbers 1, 2, 3, . . .12 in a 3x4 array (with three rows and four columns), so that the sum of the numbers in each column is divisible by 3. Each number must appear exactly once in the array. read more ..

Paresh247 Jan 18, 2020

help

Guest Jan 18, 2020

-1

help

The Bad News Bears are playing against the Houston Toros in a baseball tournament. The first team to win three games wins the tournament. The Bears have a probability of 2/3 of winning each game. Find the probability that the Bears win the tournament. read more ..

A company makes steel rods shaped like cylinders. Each rod has a radius of 2 centimeters and height of 60 centimeters. How much steel will the company need to make 192 rods?

Guest Jan 18, 2020

-1

Help

I have a bag with 5 pennies and 6 nickels. I draw coins out one at a time at random. What is the probability that after draws I have removed no more than 2 pennies from the bag?

Guest Jan 18, 2020

-1

help

A glass of water is $\dfrac{3}{7}$ full and $\dfrac{4}{7}$ empty. It has 6 ounces of water in it. How many ounces of water can the glass hold?

Guest Jan 18, 2020

-2

+42

HELP ME.NOW

A contractor is building the base of a circular fourtain.On the blueprint, the base the fountain has a diametro of 18 centimeter. The blueprint has a scale of three centimeter to four feet. What will be the actual area of the base of the fountain, in square read more ..

Paresh247 Jan 18, 2020

-1

help

Two distinct primes, each greater than 20, are multiplied. What is the least possible product of these two primes?

Guest Jan 18, 2020

-2

+42

Help

Suppose that . For example, . For how many distinct integers n does have exactly three distinct elements?

Paresh247 Jan 18, 2020

-1

Help...

ABCD is a square. How many squares have two or more vertices in the set {A,B,C,D}?

Guest Jan 18, 2020

-1

Help

Two candles of equal length are lit at the same time. One candle takes 6 hours to burn out, and the other takes 9 hours to burn out. After how much time will the slower burning candle be exactly twice as long as the faster burning one?

Guest Jan 18, 2020

help

1. How many pairs of vertical angles are formed by five distinct lines that have a common point of intersection?

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Multiple questions deleted - we are not here to do all your homework. read more ..

Guest Jan 18, 2020

I really need help...

I'm having some trouble rationalizing and getting the answer from this limit

If rationalizing is the way to go, I've managed to get to (if even that's correct)
I've not figured out a way yet to get 1 as the read more ..

Guest Jan 18, 2020

Limit with negative square roots

A neighborhood development that is 4 acres is to be divided into 2/3 acre lots. How many lots can be created?

aproximat3 Jan 18, 2020

help

What point do we get when we rotate around the point by counterclockwise?

Guest Jan 18, 2020

help

Adaline is designing a garden in the shape of a 45º-45º-90º triangle, with an area of 32 ft2. To the nearest foot, how much fencing will she need to enclose the garden?

Guest Jan 18, 2020

help

Jon is hitting baseballs. When he tosses the ball into the air, his hand is 5 feet above the ground. He hits the ball when it falls back to a height of 4 feet. The height of the ball is given by h = - 16x^2 + 6t + 5 where in seconds How much time will pass read more ..

Guest Jan 18, 2020

please help

Consider the family of functions f(x)=x^4-ax^2. Show that f has a local maximum if and only if f has 3 distinct zeros.

I tried using the quadratic formula where sqrt(b^2-4ac)>0 but that didnt really work so this is confusing me.
read more ..

Guest Jan 18, 2020

This one calculus question is confusing me

Guest Jan 18, 2020

one question

https://prnt.sc/qpmahf

thank you !

Lucky Charms cereal uses 1 1/3 cups of wheat pieces for every 1/5 of marshmallow pieces. How many cups of wheat pieces are in the box of Lucky Charms cereal if there is 1 cup of marshmallow pieces inside?

Guest Jan 18, 2020

help

Four complex numbers form the vertices of a square in the complex plane. Three of the numbers are -19 + 32i, -5 + 12i, and . What is the fourth number?

Guest Jan 18, 2020

help

I run a hiking club with n people, not including myself. Every day, for 365 days, I invite four members in the club to go on a hike with me. What is the smallest positive integer n so that I can avoid having the same group of four members over all read more ..

Guest Jan 18, 2020

Combinations

It takes a hose 3 minutes to fill a rectangular aquarium 9 inches long, 13 inches wide, and 14 inches tall. How long will it take the same hose to fill an aquarium measuring 21 inches by 25 inches by 35 inches? how many minutes does it take? read more ..

Guest Jan 18, 2020

help

A lemonade stand sells 14 gallons of lemonade in three hours. How many gallons can they expect to sell after three, eight hours days?

Guest Jan 18, 2020

help

A certain triathlon consists of a 2.2 mile swim, a 108 mile bicycle ride, and a 25.4 mile run. At one point, a participant had completed twice as many miles as the number of miles left to complete. How many miles had he completed at that mark? read more ..

Guest Jan 18, 2020

please help

https://web2.0calc.com/questions/counting-and-probability-question-please-help

I looked at this problem, and I didn't understand what the Stirling Numbers is. This is the question:
read more ..

Guest Jan 18, 2020

Confused.

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Guest Jan 18, 2020

help

The sides of two regular octagons are 3 in. And 6 in. respectively. Find the ratio of their perimeters and their areas

Let a and b be distinct complex numbers on the unit circle. Find the maximum possible value of .

Guest Jan 18, 2020

help

Find the solutions to

Enter all the solutions, separated by commas.

Guest Jan 18, 2020

Help

Omi67 ●●●

Guest Jan 18, 2020

help

Let and . Find the complex number z such that z is a trisection point of the line segment joining a and b and z is closer to a than b.

The arithmetic mean of nine numbers is 54. If two numbers $u$ and $v$ are added to the list, the mean of the eleven-member list becomes 66. What is the mean of $u$ and $v$?

Guest Jan 18, 2020

HELP ME NOW

A class of 30 students recently took a test. If 20 students scored 80, 8 students scored 90, and 2 students scored 100, then what was the class average (the mean) on this test?

Guest Jan 18, 2020

HELP ME

Write a recursive formula and an explicit formula for the following arithmetic sequence
13, 17, 21, 25, 29, ..

Guest Jan 18, 2020

help

Mack the bug starts at (0,0) at noon and each minute moves one unit right or one unit up. He is trying to get to the point (5,7). However, at (4,3) there is a spider that will eat him if he goes through that point. In how many ways can Mack reach (5,7)? read more ..

Guest Jan 18, 2020

Help please

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Guest Jan 18, 2020

Please help as soon as possible...

The first and thirteenth terms of an arithmetic sequence are $\frac79$ and $\frac45$, respectively. What is the seventh term?

A jeweler had a fixed amount of gold to make bracelets and necklaces. The amount of gold in each bracelet is 7 grams and the amount of gold in each necklace is 20 grams. The jeweler used 109 grams of gold and made 4 more bracelets than necklaces. Determine read more ..

Guest Jan 18, 2020

help

A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an angle of elevation 300. After exactly one minute, the radar sweep reveals that the plane is now at an angle of elevation 600 maintaining read more ..

Guest Jan 18, 2020

need help

On a sunny day a 2 foot red kangaroo casts show a shadow that is 7 feet long the shadow of a nearby eucalyptus tree is 14 feet long find the height of the tree

Guest Jan 18, 2020

help

Guest Jan 18, 2020

Help

I have a bag with 5 pennies and 6 nickels. I draw coins out one at a time at random. What is the probability that after draws I have removed no more than 2 pennies from the bag?

Guest Jan 18, 2020

Help

How many 10 digit numbers are there, such that the sum of the digits is divisible by 5?

Guest Jan 18, 2020

Help

The sales of 3-day tickets to PlayerCon brought in $347,600. The combined cost of one 3-day adult ticket and one 3-day children's ticket is $90. One-third more adult 3-day tickets were sold than adult 2-day tickets. One-fifth more 3-day children's tickets read more ..

Guest Jan 18, 2020

help

Emily purchased lemons for $600. She sold 3/4 of these at a loss of 20% and the remaining at a gain of 20%. How much percent does she gain or lose in the whole transaction?

Guest Jan 18, 2020

please help

The general form of a parabola is y^2-4x+4y-8=0

What is the standard form?

Guest Jan 18, 2020

The general form of a parabola is y^2-4x+4y-8=0

Guest Jan 18, 2020

What are the coordinates of the foci of the hyperbola?

How many squares can you find in this picture ?

Guest Jan 18, 2020

help

Casey is six time as old as Ralph, In two years, she will be four time as old as Ralph. How old is each of them now?

Guest Jan 18, 2020

help

Emily purchased lemons for $600. She sold 3/4 of these at a loss of 20% and the remaining at a gain of 20%. How much percent does she gain or lose in the whole transaction?

Guest Jan 18, 2020

need help please!

Three runners Adam, Ben, and Charles all start at the same time for a 24 km race, and each of them runs at a constant speed. When Adam finishes the race, Ben is 8 km behind, and Charles is 12 km behind. When Ben finishes the race, how far behind is Charles, read more ..

Guest Jan 18, 2020

help...

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Guest Jan 18, 2020

help

At a party. Andy and April shared a cherry pie. Andy ate 2/5 of the pie and April ate 1/3 of the pie. What fraction of the pie did they eat altogether

A coffee shop currently sells 490 lattes a day at $3.00 each. They recently tried raising the by price by $0.25 a latte, and found that they sold 30 less lattes a day. a) Assume that the number of lattes they sell in a day, N, is linearly related to the read more ..

Guest Jan 18, 2020

please help

Guest Jan 18, 2020

perimeter

.thank you

If the farm has 30 chickens and cows, and there are 82 chicken and cow legs all together, then how many chickens and how many cows could the farm have

Guest Jan 18, 2020

help

Mahmud has been saving money for years. Rihan's money is 4 times as much as
1
-
5 read more ..

Guest Jan 18, 2020

Pls help

A leaky faucet is losing water and is filling a 6 gallon bucket every 12 hours. At that rate how many gallons of water will the faucet leak in 42 hours

Guest Jan 18, 2020

help

Holli's house is located at (−1, 4). She can walk in a straight line to get to Jedd's house. A fast food restaurant is located at (−3, 2) and partitions the way from Holli's house to Jedd's house by a ratio of 1:1. Find the coordinate of Jedd's house. read more ..

Guest Jan 18, 2020

please help

A whispering chamber is an elliptically arched chamber. A unique feature of a whispering chamber is that when a person standing at one focus of the ellipse whispers, he can be heard by a person standing at the other focus, regardless of the dimensions of read more ..

Guest Jan 18, 2020

word problem

1. Let R be the set of primitive 42nd roots of unity, and let S be the set of primitive 70th roots of unity. How many elements do R and S have in common?
2. Let u,v be distinct complex numbers. If u^2=v and read more ..

Guest Jan 18, 2020

+104

Roots of Unity Questions

Rewrite without parenthesis and simplify (5x+6v)^2

somebody Jan 18, 2020

polynomials

Sam wanted to buy candy for all of his friends to share at lunch. One pound of chocolates cost $6.95, but Sim only needs 0.6 of a pound. What will be the total cost for the chocolates Sam buys?

Guest Jan 18, 2020

please help

A tutor charges $25 dollars for private tutoring and $18 for group tutoring. In one week a tutor earn $265 for 12 students. How many private and group sessions were there?

Guest Jan 18, 2020

help

You roll two dice. What is the probability that the average of the high and low roll is exactly 3, to four decimal places?

Guest Jan 18, 2020

help

Bella has $0.66 worth of pennies and nickels. She has 6 more nickels than pennies. Determine the number of pennies and the number of nickels that Bella has.

Guest Jan 18, 2020

Bella has $0.66 worth of pennies and nickels

Antonio planned to read 15 books over the summer for the library's summer reading challenge. At the end of July he has read 4/5 of the books. How many books has he read?

Guest Jan 18, 2020

i need help

One out of every five Americans suffers from allergies. In a random sample of 250 Americans, how many would you expect to suffer from allergies?

Guest Jan 18, 2020

Jan 17, 2020

HELP NOW

The two regular pentagons shown at the left are similar. What is the ratio of area of the larger pentagon to the area of the smaller pentagon?
should i use tan? read more ..

Guest Jan 17, 2020

+46

help please, dont know how to find the area of pentagon

At a basketball game, a team made 57 successful shots. They were a combination of 1- and 2-point shots. The team scored 99 points in all. Write and solve a system of equations to find the number of each type of shot.

xxJenny1213xx Jan 17, 2020

help

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math

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Two regular pentagons and a regular decagon, all with the same side length, can completely surround a point. An equilateral triangle, a regular octagon, and a regular n-gon, all with the same side length, also completely surround a point. Find n. read more ..

Guest Jan 17, 2020

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ABCDEF is an equiangular hexagon. Points A1, B1, C1, D1, E1, F1 are the intersection points of extensions of several pairs of the sides of ABCDEF. If the perimeter of hexagon ABCDEF is 15, what is the smallest perimeter of dodecagon read more ..

Guest Jan 17, 2020

Help!!!Geometry question

Been here for 6 hours and still didn't get anything:(

1. Consider the polynomial function.
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Guest Jan 17, 2020

PLEASE help ASAP!

I break a stick into two piece at a random point. What is the probablity that the longer piece is at least four times as long as the shorter piece?

Guest Jan 17, 2020

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Guest Jan 17, 2020

probability

This spinner is spun 36 times. The spinner landed on A 6 times, on B 21 times, and on C 9 times. Compute the empirical probability that the spinner will land on B.

PLEASE HELP PARABOLAS The general form of a parabola is y^2−4x+4y−8=0 .
What is the standard form of this parabola?

Guest Jan 17, 2020

PLEASE HELP PARABOLAS The general form of a parabola is y^2−4x+4y−8=0 .

Travis and his his sister were born on the the same day but in different years. Travis is 14 years old, and his sister is 17 years old. Write an expression to represent Travis's age in terms of his sister's age, s, at any given point in time.

Guest Jan 17, 2020

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70 students at school were asked to complete a survey about the location of their next field trip. 28 students choose zoo and 33 students choose the amusement park.The remaining students did not complete the survey. What is the percent of survey participants read more ..

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Question:

Answer: read more ..

Guest Jan 17, 2020

pleeassee help (asap)

Guest Jan 17, 2020

The endpoints of a diameter of a circle are (6,2) and (−2,5) .

The endpoints of a diameter of a circle are (6,2) and (−2,5) .
What is the standard form of the equation of this circle?

Ana saw some kitten and baby chicks for sale when she went to the pet store. altogether she counted 16 heads and 46 legs. how many of each did ana see at the pet store?

Guest Jan 17, 2020

please help

Guest Jan 17, 2020

i need math help again

i keep getting stuck

what is 2+2*84+600-600+6220+00

tooofff Jan 17, 2020

school

From her window, Sandra looks up to the top of a neighboring building at an angle of 36°. Her angle of depression to the bottom of the building is 22°.
The neighboring building is 200 feet away from the building Sandra is in.
How tall is read more ..

Guest Jan 17, 2020

question

Out of 230 racers who started the marathon, 209 completed the race, 14 gave up, and 7 were disqualified. What percentage did not complete the marathon?

Guest Jan 17, 2020

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In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 3/4 of the drink is apple juice and 1/10 is orange juice then write the ratio of cranberry juice to apple juice to orange juice in its simplest form.
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Guest Jan 17, 2020

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