All Questions +0 230583 Questions

I don't really know if I did the formula right

Guest Apr 18, 2020

462

pls help (is this correct??)

in NYC about 20% of days in January are snow days. find the mean, variance and standard deviation for the number of snow days during the month of january. give an analysis within 2 deviations of the mean.

Guest Apr 18, 2020

357

probability

Guest Apr 18, 2020

474

Easy Geometry

sdgiasdgoausghas8odungasrybgruygoiw quwoyegfnqweuqwryg igfwiogmfqeryoiqueygnqeor8wgvn

Surface and volume please!

Guest Apr 18, 2020

489

+256

Easy help - I have an inkling that im wrong so:

Thanks for any help
Verify the indentity.

BWStar Apr 18, 2020

482

can anyone help me with this

The functions f and g are defined as follows:
\[f(x) = \sqrt{\dfrac{x+1}{x-1}}\quad\text{and}\quad g(x) = \dfrac{\sqrt{x+1}}{\sqrt{x-1}}.\]
Explain why the functions and are not the same function.

Guest Apr 18, 2020

520

help

off-topic

A pair of positive integers (x, y) satisfies the equation 31x + 29y = 1125. What is x + y?
If we were to ignore the "positive numbers" phrase in the question, then we would use Euclid's algorithm and get 1125 = 29(16875) + 31(-15750). One of read more ..

Guest Apr 18, 2020

694

+78

Help WIth Math Question

A package is in the shape of a triangular prism. The bases are right triangles with perpendicular legs measuring 9 cm and 12 cm.The distance between the bases is 10 cm

read more ..

Frooglie Apr 18, 2020

856

help

A bag contains five white balls and four black balls. Your goal is to draw two black balls.
You draw two balls at random. Once you have drawn two balls, you put back any white balls, and redraw so that you again have two drawn balls. What is the probability read more ..

Guest Apr 18, 2020

343

HELP please...

You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then deal all 12 cards at random to four players, so that each player gets three cards. What is the probability read more ..

Guest Apr 18, 2020

370

help pleasseeee

(3.2x10^-28) x (9.1x10^43)

Guest Apr 18, 2020

554

How to do math probelm

Guest Apr 18, 2020

547

Can anybody help me solve this?

Thank you for your help

Two circles are externally tangent at point P, as shown. Segment CPD is parallel to common external tangent . Let be M on AB so that MP is tangent to both circles.

read more ..

Guest Apr 18, 2020

399

HAlapppappaaoppp plls

Guest Apr 18, 2020

438

pls help

Simplify

Guest Apr 18, 2020

Apr 17, 2020

1311

A 40 -inch pendulum swings through an angle of 18∘ . Find the length of the arc in inches through which the tip of the pendulum swings

Use synthetic division to show that x is a zero of the third-degree polynomial equation. Then, the result to factor the polynomial completely. List all real zeros of the function.
f(x) = x^3 + 3x^2 - 10x - 24 ; x = 3

Guest Apr 17, 2020

-1

639

+194

#Yup it's number theory

(deleted)

●●●●●●

somehelpplease Apr 17, 2020

495

In desperate need of help

Guest Apr 17, 2020

924

+45

Find the dimensions of the rectangle with minimum perimeter if its area is 200 square meters.

Consider the two expressions and
a) read more ..

alrawashdeh04 Apr 17, 2020

693

Answer Part C please, very confused!

A merchant bought several pieces of silk for $70. He sold all but two of them at a profit of $4 per piece. His total profit was $18. How many pieces did he originally purchase?

Guest Apr 17, 2020

819

+45

Rational equations problem

There is a line that includes the point (-8, 1) and has a slope of -1/8. What is it’s equation in slope-intercept form?

alrawashdeh04 Apr 17, 2020

511

help

Let be a regular tetrahedron. Let be the center of face and define vertices and the same way. Find the ratio of the volume of tetrahedron to the volume of tetrahedron
read more ..

Guest Apr 17, 2020

650

i dont understand this. please help :(

Each of five, standard, six-sided dice is rolled once. Two of the dice come up the same, but the other three are all different from those two and different from each other. The pair is set aside, and the other three dice are re-rolled. The dice are said read more ..

Guest Apr 17, 2020

378

PLEASE HELP!

Which graph shows the polar coordinates (−3,−7π/4) plotted?

a read more ..

Guest Apr 17, 2020

1897

Which graph shows the polar coordinates (−3,−7π/4) plotted?