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463

need help

Mr. Sanchez’s class sold fruit pies for $1.65 each and Mr. Kelly’s class sold bottles of fruit juice for $1.36 each. Together, the classes sold 79 items and earned $118.17 for their school.
(a) Write and solve a system of equations that model the read more ..

Guest Aug 30, 2020

441

word problem

If Jackie were to paint her living room alone, it would take seven hours. Her sister Rachel could do the job in nine hours. How many hours would it take them working together?

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Guest Aug 30, 2020

585

need help with geometry

Help out if you can!

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Guest Aug 30, 2020

1020

how do you find r^2 + s^2 if you only have r+s and rs?

how do you find r^2 + s^2 if you only have r+s and rs?

(problem I'm trying to solve:)
Let r and s be the roots of 3x^2 + 4x + 12 = 0. Find r^2 + s^2. read more ..

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Guest Aug 30, 2020

414

please help

Please help with the answer.

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Guest Aug 30, 2020

568

rate question

Anita jogs at a constant speed of 4 miles per hour. Anita’s brother leaves their house 12 minutes after her, and he catches up to her 24 minutes later. If Anita’s brother is also running at a constant rate, what is his speed, in miles per hour? read more ..

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Guest Aug 30, 2020

519

please help

There are two numbers which add up to 20. If one number is five more than four times the other, find the numbers.

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Guest Aug 30, 2020

596

+224

please help algebra

For what positive value of m will the following equation be true if n = 5?

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envoy Aug 30, 2020

1167

Choose an integer randomly from the set...

Choose an integer randomly from the set 1,2,3,...,99,100. Square it, then subtract 1. What is the probability that the resulting value is a prime number?

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Guest Aug 30, 2020

1305

i need help!

Benito and Tyler are painting opposite sides of the same fence. Tyler has already painted 19 1/2 feet of his side of the fence when Benito starts painting. a. How long will it take for the two sides of the fence to have an equal number of feet painted? read more ..

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Guest Aug 30, 2020

414

algebra

If r^3 - s^3 = 5211/4 and r - s = 3, then what are r and s?

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Guest Aug 30, 2020

387

I am also having trouble with this problem.

Can somone please answer this questiion?

I would also like to know how to do it.
https://web2.0calc.com/questions/please-help_624 read more ..

Guest Aug 30, 2020

-1

638

+223

https://web2.0calc.com/questions/math-help-thank-you_4

https://web2.0calc.com/questions/math-help-thank-you_4

Please help!

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Noori Aug 30, 2020

940

Help Help Help Help Help Help

A right circular cone sits on a table, pointing up. The cross-section triangle, perpendicular to the base, has a vertex angle of 60 degrees. The diameter of the cone's base is 12sqrt3 inches. A sphere is placed inside the cone so that it is tangent to the read more ..

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Guest Aug 30, 2020

398

please help

Find the measure of arc DCA.

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Guest Aug 30, 2020

886

Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be a constant. What is the largest possible degree of f(x) + a * g(x)

Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be a constant. What is the largest smallest degree of f(x) + a * g(x)

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Guest Aug 30, 2020

400

help with coordinates

Find the distance from the point P to line m in the given figure.

Guest Aug 30, 2020

589

+45

Hi i rlly need help please

Suppose that $f(x)$ and $g(x)$ are functions on $\mathbb{R}$ such that the range of $f$ is $[-5,3]$, and the range of $g$ is $[-2,1]$. The range of $f(x) \cdot g(x)$ is $[a,b]$. What is the largest possible value of $b$?

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calicokittycat Aug 30, 2020

401

geometry

Solve for x.

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Guest Aug 30, 2020

517

help with pyramid

Find the surface area of the pyramid.

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Guest Aug 30, 2020

540

geometry question

Find the area of the figure.

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Guest Aug 30, 2020

404

trig problem

Find the value of cos(27)^2 * cos(34)^2 * cos(41)^2 * ... * cos(167)^2.

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Guest Aug 30, 2020

507

need help

This is due tomorrow.

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Guest Aug 30, 2020

362

help please

Help please

Guest Aug 30, 2020

All Questions ⁺⁰237722 Questions

need help

word problem

need help with geometry

how do you find r^2 + s^2 if you only have r+s and rs?

please help

rate question

please help

please help algebra

Choose an integer randomly from the set...

i need help!

algebra

I am also having trouble with this problem.

https://web2.0calc.com/questions/math-help-thank-you_4

Help Help Help Help Help Help

please help

Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be a constant. What is the largest possible degree of f(x) + a * g(x)

help with coordinates

Hi i rlly need help please

geometry

help with pyramid

geometry question

trig problem

need help

help please

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