All Questions ⁺⁰237722 Questions

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HELP ASAPPPPP!!!

Right triangle $XYZ$ has legs of length $XY = 12$ and $YZ = 6$. Point $D$ is chosen at random within the triangle $XYZ$. What is the probability that the area of triangle $XYD$ is at most $12$?

Guest Feb 14, 2020

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547

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please help

Suppose that a disease is inherited via a sexlinked mode of inheritance so that a male offspring has a 50% chance of inheriting the disease, but a female offspring has no chance of inheriting the disease. Further suppose that 51.3% of births are male. What read more ..

Guest Feb 14, 2020

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498

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help me out

Please help me solve the following Simultaneous Equation: 4x-7y=-30 5x-7y=-34 Find x and y. needGod.com

Guest Feb 14, 2020

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462

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help please

One positive number is three more than twice another. If their product is 629, find the numbers.

Guest Feb 14, 2020

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539

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help

There were two competitions in a puzzle tournament. The Sudoku competition had twice as many participants as the Crossword competition. If 170 people competed overall, and 40 of them participated in both competitions, how many people participated in the read more ..

Guest Feb 14, 2020

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551

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help

A fair die is rolled 8 times. What is the probability that the die comes up 6 exactly twice? What is the probability that the die comes up an odd number exactly five times?

Guest Feb 14, 2020

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790

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Help please

Team A are playing against Team B in a baseball tournament. The first team to win three games wins the tournament. Team A have a probability of 2/3 of winning each game. Find the probability that they win the tournament.

Guest Feb 14, 2020

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699

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Please help

During a donation drive, Jaheem donated as much as
3
---
7 read more ..

Guest Feb 14, 2020

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787

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Give your answer in Standard Form

The number of blood cells in an organ increases from 7.2 × 10 4 cells to 3.1 × 10 6 cells. Work out the increase in the number of cells. Give your answer in Standard form

Guest Feb 14, 2020

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781

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help

The area of the inscribed equilateral triangle is 75/4*sqrt(3). Find the perimeter of circumscribing square to the nearest whole number.

read more ..

Guest Feb 14, 2020

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894

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+308

help CPhill

What is the perimeter, in cm, of quadrilateral ABCD if *(imagine line over)AB is perpendicular to BC*, DC is perpendicular to BC, AB = 9 cm, DC = 4 cm, and BC = 12 cm?

notsmart2.0 Feb 14, 2020

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782

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Help!

Anty the ant is on the real number line, and Anty's goal is to get to 0. If Anty is at 1, then on the next step, Anty moves to either 0 or 2 with equal probability. If Anty is at 2, then on the next step, Anty always read more ..

Guest Feb 14, 2020

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698

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help

If a plane leaves and it takes two hours to get there. When it returns it takes 30 minutes longer because it was going 10mph slower. What was the speed

ElectricPavlov ●

Guest Feb 14, 2020

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1885

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help

Christopher runs a farm stand that sells apples and bananas. Yesterday Christopher sold 35 pounds of apples and 34 pounds of bananas for a total revenue of $163.50. Today he sold 15 pounds of apples and 17 pounds of bananas for a total revenue of $76.75. read more ..

Guest Feb 14, 2020

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704

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Proof for this post:

So this link: https://web2.0calc.com/questions/anty-the-ant-is-on-the-real-number-line-and-anty is a question that I needed help on solving. Though the answers are just one line answers, and I don't know if I can trust these answers. Can someone read more ..

Guest Feb 14, 2020

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1375

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I'm confused about this:

A stick is 5 units long. It is broken at two points, chosen at random. What is the probability that all three pieces are longer than 1 unit?

I tried to set variables at different points. And I know that these variables range over read more ..

Guest Feb 14, 2020

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1247

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blah

Mark charged a battery. Each minute, the percentage of the battery's capacity that was charged increased by 2.52.52, point, 5 percent. After 171717 minutes of charging, the battery was 61.561.561, point, 5 percent full.How read more ..

Guest Feb 14, 2020

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732

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how do I do geometric mean?

how do I do geometric mean?

Guest Feb 14, 2020

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1201

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help

ABCD is a square. M is the midpoint of BC and N is the midpoint of CD. A point is selected at random in the square. Calculate the probability that it will liein the triangle MCN.

Guest Feb 14, 2020

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589

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I actually need hellp

Let F be defined by

Calculate

Guest Feb 14, 2020

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794

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my question

A machine is purchased for $ 20,000 The terms are 10% down and and 2% per month on the unpaid balance for 60 months. how much are monthly payments. What annual effective interest rate is being charged

Guest Feb 14, 2020

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2666

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halps asap

Four points $A_1,$ $A_2,$ $A_3,$ and $A_4$ are chosen at random on a circle. Find the probability that chords $\overline{A_1 A_2}$ and $\overline{A_3 A_4}$ intersect.

Guest Feb 14, 2020

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889

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help

Mr. Perez is 3 times as old as his daughter now. In 15 years’ time, the sum of their ages will be 86 years. Find their ages now.

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Guest Feb 14, 2020

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1320

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hard probability

A multiple choice exam has 4 choices for each question. A student has studied enough so that the probability they will know the answer to a question is 0.5, the probability that they will be able to eliminate one choice is 0.25, otherwise all 4 choices read more ..

Guest Feb 14, 2020

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