141 Best Math Questions and Answers (Q&A) - ProProfs Discuss

How much time elapses before the two cars collide?

H. Barnes, Unemployed
Answered: Feb 26, 2019

The correct answer to this question is If two cars are 400 meters apart and a collision occurs while one is traveling east at 30 meters per second and the other is traveling west at 20 meters per...Read More

4 Answers

2022 views

Which of the following is not a profitability ratio?

Mablair_assoc
Answered: May 12, 2021

A: Price/earnings ratio.

A. Answer A is correct. The price/earnings ratio is a market ratio. It is calculated by dividing the price of a share of stock by earnings per share. B. Answer B...Read More

1 Answer

1579 views

What is a financial intermediary?

Mablair_assoc
Answered: May 12, 2021

D: A commercial business.

A. Answer A is incorrect. A commercial bank is a financial intermediary. B. Answer B is incorrect. A mutual fund is a financial intermediary. C. Answer C is...Read More

1 Answer

1328 views

How many legs do 4 cats, 6 people, and 3 dogs have?

M. Porter, Senior Executive
Answered: Apr 18, 2019

The correct answer to this question is 40. This answer is found by adding together the amount of legs per animal and person. Cats have four legs, so four multiplied by four equals 16. Humans have...Read More

3 Answers

1031 views

What can you conclude from the following figure?

L. Sevigny, Doctor
Answered: Oct 24, 2018

It is true that the divisibility rules can be very confusing at times. There are a lot of numbers that may not seem divisible by 2 but are still divisible. It would depend on the last number. For...Read More

4 Answers

968 views

How much is 3 eights?

Christineopperman
Answered: May 12, 2021

1 Answer

815 views

How many eggs are 2 dozen eggs?

Cschuck
Answered: May 12, 2021

1 Answer

805 views

What is the difference between Ascending and Descending?

A. Boaz, Mechanical Engineer
Answered: Oct 08, 2019

Ascending and Descending are antonyms. This shows that whatever meaning you have for ascending; the opposite will be descending. These two words are used mostly in mathematics or any subject area...Read More

3 Answers

772 views

What is the measure of angle AMC?

Danny R. Glover, Editor
Answered: Oct 10, 2018

Take note that this is an isosceles triangle. This means that the A and C angles are the same with each other. These angles are equal to 70 Degrees. To solve this, start with 180 Degrees then...Read More

3 Answers

753 views

How many total fish did he catch all 3 days?

Matz Lewis Clark, College student
Answered: Jan 29, 2019

The correct answer to this question is 63. To answer this question, start with the data you are given. On Saturday, Jack caught 14 fish. He caught twice as many fish on Sunday, so take 14 times 2...Read More

3 Answers

744 views

How many more of each color does Dana need to buy?

C. Perez, Writer
Answered: Apr 24, 2019

The correct answer to this question is $53.30. Being that she needs equal amounts, she needs 75 of each color.
She already has 32 red, so that leaves 43 more that she needs : costs...Read More

2 Answers

672 views

How many lines per centimeter does a grating have if the third-order occurs at an 18.0 degree angle for 630 nm light?

Samantha Stewart, Philanthropist
Answered: Dec 14, 2018

I will be honest, this is very out of my wheelhouse. However, after reading the last answer on this question: it’s still very out of my wheelhouse. So, I will attempt to answer. This is a...Read More

3 Answers

666 views

How many marbles are in the bowl?

J. Goodman, Web Content Writer
Answered: Jan 09, 2019

There are 92 marbles in the bowl. These are made up of the twenty red marbles, the 20 x 3 = 60 blue marbles (for we are told that there are three times as many blue and red marbles) and the...Read More

2 Answers

635 views

What angle will 560-nm light produce a second-order maximum when falling on a grating whose slits are 1.45 X 10^-3 cm apart?

John Smith
Answered: May 12, 2021

4.4 degrees

Solution to a similar question is given on the diffraction grating sample problems section on the website.

1 Answer

586 views

How many tiles are green if Jake is tiling his bathroom floor and he uses three green tiles for every white tile?

Ninavclarke
Answered: May 12, 2021

1 Answer

563 views

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