1,350 Answered Questions for the topic Math Problem

10/07/18

#### Express the answer to that all exponents are positive?

express the answer to that all exponents are positive on the following expressions: (12x^3)^-2 and x^-5 y^4/x^8 y^7

10/06/18

#### jenny has 18 candies. laura has twice as many candies as jenny. how many candies should laura give to jenny so that they have the exact number of candies?

My question is tricky

10/05/18

#### area of a rectangle

The area of a rectangle is x4-y4/8xy and the length is x2-y2/2xy
a. What is the width of the rectangle?
b. If you double the length of the rectangle but keep the same width, what is the new area...
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10/05/18

#### How do you write 50% as a fraction, mixed number, or whole number in simplest form?

i need help

10/04/18

#### two different hoses with different taps are used to fill a pond.1hose takes 20minutes and the other takes 30minutes .how many minutes does it take using both ho

math question and the answer is 12 but how do you work it out? Thanks so much

10/04/18

#### A card is chosen from a deck of cards,recorded then replaced.this is done 75 times and a red card from 5 to 9 is chosen 21 times.

what is the experimental probability of a red card between 5 and 9 being chosen using this example?using the theoretical probability how many times would you expect this to happen in 75 trials?

10/03/18

#### f(x)= 5/3x- 3/5 for x=3

evaluate the function for the given value of x, and write the input x and output f(x) as an ordered pair.

10/02/18

#### Simplify. u^ 3/4*u^3/5 Assume that the variable represents a positive real number.

Simplify. u^ 3/4*u^3/5 Assume that the variable represents a positive real number.

10/02/18

#### Formula that predicts the location of moving enemy

A rocket that explodes not on impact, but explodes on a timer will be shot from myself to the enemy. The timer can only be inputted at the start of the shot. The rocket can only go straight and has...
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10/01/18

#### Jeremy had 3 times the number of quarters (25 cents) in his bag than dimes (10 cents).

1. If he had a total of 68 coins, how many of them were quarters?
2. What was the total dollar value of these coins?

09/30/18

#### Formula that predicts the location of moving enemy

A rocket that explodes not on impact, but explodes on a timer will be shot from myself to the enemy. The timer can only be inputted at the start of the shot. The rocket can only go straight and has...
more

09/27/18

#### An electron travels 7.78 m in 7.01 × 10e−8 s. How fast does it travel in cm/s? Answer in units of cm/s.

An electron travels 7.78 m in 7.01 × 10e−8s.How fast does it travel in cm/s?Answer in units of cm/s.

09/26/18

#### Amanda bought a 21 pound bag of pasta. She used 5 2/3 pounds of pasta to make spaghetti for her coworkers. She stored the rest of the spaghetti in 3 5/6 pound

Amanda bought a 21 pound bag of pasta. She used 5 2/3 pounds of pasta to make spaghetti for her coworkers. She stored the rest of the spaghetti in 3 5/6 pound portions. What is the max number of 3...
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09/25/18

#### The number of home runs by player A and player B for a season are consecutive odd integers whose sum is 672.

this is a math problem I need help with in ordered the pass my grade level in school.

09/25/18

#### . Juliet collected ten more cans than Rose. Sam collected twice as many cans as Juliet. they collected 130 cans. How many did each person collect?

it is a math problem I need help with

09/25/18

#### Two loaves of bread were evenly divided into 10 slices altogether. What fraction of loaf is 1 slice?

help pls

09/24/18

#### Sara can finish 5 laps around the track in 6 minutes. What is her average speed in miles per hour, if it takes 12 laps around the track to run a mile?

i have troble on math promblems.

09/24/18

#### Mari and jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. Together they earn $480. How much does girl earn in a week?

Please explain your answer and the expression you would use and the answer

09/20/18

#### Planet X is 10 times farther from the Sun than Earth (10 AU). How long does it take this planet to go around the sun?

please help me I'm dumb. keps 3rd law

09/18/18

#### Fifty years ago Maria’s grandmother paid 55 for an antique lamp today the lamp is worth 100 times that amount. Which shows the value of the lamp today

Fifty years ago Maria’s grandmother paid 55 for an antique lamp today the lamp is worth 100 times that amount. Which shows the value of the lamp today

09/18/18

#### i need help solving this problem please

2. A page is to contain 60 square inches of print. The top and bottom margins of the page are each 1.5 inches. The side margins are 1 inch. Find the dimensions of the page that contains a minimum...
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09/18/18

#### if a snail can go 5 inches in 1 minute how long would it take for the snail to go 56 inches

I am having trouble with this question and I can't seem to answer it right I just need some help.

09/18/18

#### On a lathe, you are to turn out a disk (thin right circular cylinder) of circumference 10 inches.

On a lathe, you are to turn out a disk (thin right circular cylinder) of circumference 10 inches. This is done by continually measuring the diameter as you make the disk smaller. How closely must...
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