All Questions

440

Speed,Acceleration,Velocity

A bus trip covers 191 km and takes 4 hrs and 30 minutes. What is the speed of the bus in km/hr?

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Guest Apr 8, 2020

518

math200

Seventy percent of the students applying to a university are accepted. what is the probability that among the next 18 applicants.
Compute the standard deviation.
Please, use 4 decimal places for the answer. read more ..

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Guest Apr 8, 2020

1175

help

At a local basketball game, all tickets are the same price and all souvenirs are the same price.Mr.Smith brought 2 tickets to this basketball game and 1 souvenir for a total of $17.25. Ms Lockhart brought 5 tickets to the same game and 2 souvenir for a read more ..

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Guest Apr 8, 2020

509

You roll a die and pick a card of the two-card set with values 6 and 7. How many DIFFERENT sums are possible?

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Guest Apr 8, 2020

597

алгебра

48∗4^𝑥+27=𝑎+𝑎∗4^𝑥+2

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Guest Apr 8, 2020

400

7,5+(−9,3)

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Guest Apr 8, 2020

1358

help

Solve the equation on the interval [0,2π) .
−8cosx=3

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Guest Apr 8, 2020

470

help

What are the solutions to the equation on [0,2π) ?
csc(3x)=−2√3/3

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Guest Apr 8, 2020

648

help

Solve the equation on the interval [0,2π) .
6sin^2x+3sinx=0

What are the correct solutions? read more ..

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Guest Apr 8, 2020

578

Please help!!!

• Akira works part time in his aunt’s snow cone shop. The crushed ice is stored in a cylinder tub that has a radius of 7 inches and a height of 12 inches. Akira uses a special scoop in the shape of a sphere to scoop the ice. The scoop has a a diameter of read more ..

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Guest Apr 8, 2020

533

help

On Monday, Harold picked up six donuts and five large coffees for the office staff. He paid $7.35. On Tuesday, Melinda picked up two donuts and three large coffees for the office staff. She paid $3.53. What is the cost of one donut? What is the cost of read more ..

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Guest Apr 8, 2020

635

parabola

What is the standard form of the quadratic function that has a vertex at (3,-2) and goes through the point (4,0)?

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Guest Apr 8, 2020

495

help

How many different 5-digit even numbers can be formed using the numerals 1, 2, 3, 4 and 5 if the numerals can be repeated

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Guest Apr 8, 2020

-4

377

(Help Urgently Needed) Linear Algebra Problem

I used cofactor expansion along the first column to realize that f is a polynomial of degree n-1. The next step is to show that 1, 2, 3... n-1 are roots of f, but I'm not sure how to do this.

I've attached an image containing the read more ..

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Guest Apr 8, 2020

-6

624

+53

PLEASE HELP

1. Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coefficients of the terms in $g(x)$ that have even degree. (For example, the sum of the coefficients of the terms in $-7x^3 read more ..

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PharaoCarl Apr 8, 2020

572

qweqweqeq

x/13=69

off-topic

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STRLVSTR Apr 8, 2020

640

7th grade math review work

Fifty students are trying to raise at least $12,500 for a class trip. They have already raised $1,250. How much should each student raise, on average, in order to meet the goal? Write and solve the two-step inequality for this problem.

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Guest Apr 8, 2020

509

help

Twelve typists, all working with the same speed, type a certain number of pages in 18 days, working 8 hrs a day. find how many hours per day must sixteen typists work in order to type the same number of pages in 18 days

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Guest Apr 8, 2020

-3

411

Please help complex numbers

Find all solutions for z where z^3 = -2-2i.

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Guest Apr 8, 2020

1618

please help

Two marbles are drawn one after the other with replacement from a bag that contains: 9 red marbles, 8 blue marbles, and 3 green marbles.
Find the probability of the following events.
(a) One red marble and one green marble are drawn in either order.
(b) read more ..

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Guest Apr 8, 2020

812

+34

I'm Stumped

In the diagram below and are parallel. If and , then what is in degrees.

read more ..

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Ako180 Apr 8, 2020

659

help

A woman has nine close friends. (a) In how many ways can she invite six of these to dinner? (b) Repeat (a) if two of her friends are divorced (from each other) and will not attend together. (c) Repeat (a) if the friends consist of three single people and read more ..

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Guest Apr 8, 2020

1223

How many integers are there on the number line between $\dfrac{17}{3}$ and $\left(\dfrac{17}{3}\right)^2$?

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Guest Apr 8, 2020

All Questions ⁺⁰235595 Questions

Speed,Acceleration,Velocity

math200

help

You roll a die and pick a card of the two-card set with values 6 and 7. How many DIFFERENT sums are possible?

алгебра

7,5+(−9,3)

help

help

help

Please help!!!

help

parabola

help

(Help Urgently Needed) Linear Algebra Problem

PLEASE HELP

qweqweqeq

7th grade math review work

help

Please help complex numbers

please help

I'm Stumped

help

How many integers are there on the number line between $\dfrac{17}{3}$ and $\left(\dfrac{17}{3}\right)^2$?

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