All Questions

563

prisms

The width, length, and height of a rectangular prism are each increased by 10%. What is the percent increase in the surface area of the prism? Express your answer to the nearest whole number.

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Guest May 6, 2021

403

Help

Let $S$ be the set of all nonzero real numbers. Let $f : S \to S$ be a function such that \[f(x) + f(y) = f(xyf(x + y))\]for all $x,$ $y \in S$ such that $x + y \neq 0.$ Let $n$ be the number of possible values of $f(4),$ and let $s$ be the read more ..

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Guest May 6, 2021

-1

499

gooooogal gooooo

gooooogal gooooogal read more ..

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Guest May 6, 2021

578

+367

Please Help thank you

A circle centered at O is circumscribed about Triangle ABC as follows:
https://latex.artofproblemsolving.com/e/3/3/e3327b08d906e6cc74d5f9f0232a3016dea5197b.png
What is the measure of BAC?
read more ..

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imdumb May 6, 2021

467

Gabe

A sports shop imported some footballs and basketballs for $5,000. The selling price of a football is $40. The selling price of a basketball is 20% more than that of a football. Thereare 15 read more ..

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Guest May 6, 2021

469

+47

HELP ASAP PLEASE!!!

3sqrt{0.6} (THE SIX HAS A REPEATING BAR OVER IT)

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chillycheesechicken May 6, 2021

481

prism

A rectangular prism has a length of 3, a width of 4, and a height of 15. What is the distance between two opposite corners of the prism?

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Guest May 6, 2021

471

3d geometry

Kadin makes a snowman by stacking snowballs of radius 2 inches, 3 inches, and 6 inches. Assuming all his snowballs are spherical, what is the total volume of snow he uses, in cubic inches? Express your answer in terms of pi.

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Guest May 6, 2021

536

Help needed asap pleaseee !

It's a combination question I think
Marika collects enamel pins. She is lining them up to display in her display case. Marika has 6 different floral pins, 4 different cartoon pins, and 3 different animal pins.

determine read more ..

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Guest May 6, 2021

629

HELPP PLEASE!!

A painter leans a ladder against a second story window. The base of the ladder must clear a vegetable garden that extends 5 feet from the base of the house. If the ladder is 15 feet long, how high is it to the second story window? ( Hint: a picture may read more ..

ElectricPavlov ●

Guest May 6, 2021

584

+47

PLEASE HELP ASAP

Molly has eighty-six coins, all dimes or quarters, worth a total of $14.60. How many dimes does Molly have?
Define two variables and write a system of equations that represents the word problem. Use either substitution or elimination to solve and read more ..

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chillycheesechicken May 6, 2021

444

Shhhh

https://www.google.com/books/edition/Singapore_Math_Challenge_Grades_5_8/2htqAgAAQBAJ?hl=en&gbpv=1&pg=PA57&printsec=frontcover

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Guest May 6, 2021

447

3d geometry

Either increasing the radius or the height of a cylinder by six inches will result in the same volume. The original height of the cylinder is four inches. What is the original radius in inches?

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Guest May 6, 2021

478

How do I put a post on off topic?

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Guest May 6, 2021

508

+176

Offtopic

Electric Pavlov, where did you get your profile picture and what year did you start using it?

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Whayousayy May 6, 2021

476

geometry

A right triangle is inscribed in a circle with a diameter 100 units long. What is the maximum perimeter of the triangle?

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Guest May 6, 2021

931

+256

What is the probability that two cards randomly selected from a standard 52 card deck are a black card followed by a Jack if the first card

What is the probability that two cards randomly selected from a standard 52 card deck are is a red card followed by a King if the first card is not replaced after it is drawn?

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BWStar May 6, 2021

436

counting

How many different ways can seven students be seated in a row of seven seats if there must be exactly two people between Alex and Betsy, and exactly two people between Betsy and Cass?

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Guest May 6, 2021

464

Probability

A school has 150 students. 110 students take Music and 40 students are left-handed. There are 32 students who take music and are left handed. What is the probability that a random student is right handed given they take Music?( person read more ..

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Guest May 6, 2021

552

A number cube ( a normal di) is rolled 20 times and lands on 5 four times. Find the experimental probability of landing on 5

A number cube ( a normal di) is rolled 20 times and lands on 5 four times. Find the experimental probability of landing on 5 please help

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Guest May 6, 2021

522

+318

Multi-step math

Rose helped her mother make cookies for the people in the care center. They worked very hard for almost five hours. When all the cookie were baked, they took one and three-fourths dozen fresh cookies to each of the people at the center. There were read more ..

ElectricPavlov ●

Tgfromthe4 May 6, 2021

510

+318

Literacy

Whole milk is best for _____.
A. a seventy-five-year-old B. a newborn
C. a toddler
D. a six-year-old

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Tgfromthe4 May 6, 2021

517

+502

inverse function

Suppose $f(x)=\frac{3}{2-x}$. If $g(x)=\frac{1}{f^{-1}(x)}+9$, find $g(3)$.

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ellapow May 6, 2021

All Questions ⁺⁰237722 Questions

prisms

Help

gooooogal gooooo

Please Help thank you

Gabe

HELP ASAP PLEASE!!!

prism

3d geometry

Help needed asap pleaseee !

HELPP PLEASE!!

PLEASE HELP ASAP

Shhhh

3d geometry

How do I put a post on off topic?

Offtopic

geometry

What is the probability that two cards randomly selected from a standard 52 card deck are a black card followed by a Jack if the first card

counting

Probability

A number cube ( a normal di) is rolled 20 times and lands on 5 four times. Find the experimental probability of landing on 5

Multi-step math

Literacy

inverse function

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