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4,511 Answered Questions for the topic prealgebra

Prealgebra Algebra

10/16/19

I am thinking of a number. If you divide my number by 3 and subtract 10, you will get 22. What is my number?

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Prealgebra

10/16/19

What is the rule for the domain of 2,4,6,8 and the range of 2,3,4,5

Rule:?Domain: 2,4,6,8Range: 2,3,4,5

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Prealgebra Math Algebra 1 Precalculus

10/15/19

Replace * with a monomial so that the derived expression may be represented as a square of a binomial: *-42pq+49q^2

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Prealgebra Math Algebra 1 Algebra 2

10/15/19

I cant solve this

You need 595 mL of a 60% alcohol solution. On hand, you have a 85% alcohol mixture. How much of the 85% alcohol mixture and pure water will you need to obtain the desired solution?

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Prealgebra Math Algebra 1 Algebra 2

10/15/19

I cant solve this

You need a 10% alcohol solution. On hand, you have a 40 mL of a 95% alcohol mixture. How much pure water will you need to add to obtain the desired solution?

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Prealgebra Math Algebra 1 Algebra 2

10/15/19

Help! I cant solve this

You need a 30% alcohol solution. On hand, you have a 270 mL of a 45% alcohol mixture. How much pure water will you need to add to obtain the desired solution?

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Prealgebra Math Algebra 1 Algebra 2

10/15/19

Math problem i have no clue how to solve

Juan needs to mix a 20% saline solution with a 40% saline solution to create 200 millileters of a 33% solution. How many millileters of each solution must Juan use?

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Prealgebra Rates And Proportions

10/14/19

Ugh I need homework help! Which equations represent a proportional relationship?

A. y=7/xB. y=0.8xC.y=5x2D.y=9xI hope y’all can help me! This Pre-algebra hurts my brain!

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Prealgebra Math Act Math Algebra

10/13/19

Polynomial Equation Help

Solve each polynomial equation by factoring: 5x3 + 10x2 + 5x = 0 x3+ 2x2 - 9x - 18 = 0

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Prealgebra Word Problem

10/11/19

I need help solving word problems

caleb, lime, and ava shared 240 stickers. Caleb received twice as many stickers as Lime. Lime received 3 times as many as Ava. How many stickers did Caleb receive?

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Prealgebra

10/10/19

MATH REVIEW for a 6th grader

Mandy divided a 12-pound bag of oranges into 7 equal piles. Which rational number represents the weight of each pile?

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Prealgebra Math

10/10/19

Will you get the same discount either way? Is there a property of arithmetic related to this? Explain!

Your factor store is having a 10%-off sale, meaning that the store will take 10% off the price of each item you buy. When the clerk rings your purchases, she takes 10% off the total (before tax)... more

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Prealgebra Math

10/09/19

A roller coaster can take 162 passengers around the track in 9 minutes. The roller coaster operates at a constant rate. How many passengers can the roller coaster take around the track per minute?

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Prealgebra

10/09/19

Suppose your friend says he can solve 3x=15 by using the Multiplication Property of Equality. Is he correct? justify your response.

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Prealgebra

10/09/19

Find the time she spent on other activities

She spent a total of eight whole five by sixteen hours of the total on community service she spent four by seven of the total time on old folks home find the time she spent on old folks home and... more

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