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4,511 Answered Questions for the topic prealgebra

Prealgebra

01/21/20

How many cups of water are needed for each cup of milk?

A recipe requires 1/3 cup of milk for each 1/4 cup of water. How many cups of water are needed for each cup of milk?A 1/12B 3/4C 11/12D 1 1/3

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Prealgebra

01/21/20

value of x in solution set

Which value of x is in the solution set of -3x + 8 ≥ 14?A -3B -1C 0D 3

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Prealgebra

01/21/20

equivalent expression with fractions

Which expression is equivalent to 2/5x - 4 (2 + 2/5x)?A -1 1/5x - 8B 4/5x - 8C 2x - 8D -7 1/5x - 1 11/25

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Prealgebra

01/21/20

equivalent expression

Which expression is equivalent to -5 - (-3)?A -5 - 3B 5-3C 3-5D 3+5

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Prealgebra

01/20/20

How many miles must Mary run during the next week to reach her goal?

Last week Mary ran 6 1/2 miles per day on each of the 7 days. This week Mary ran 8 1/3 miles per day on each of the 5 days. If her goal is to reach a total of 100 miles in three weeks, how many... more

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Prealgebra

01/19/20

Pre-algebra determine days to travel from Earth to Mars

The distance from Earth to Mars is 148,000,000 miles. A spaceship travels at 33,000 miles per hour. Determine, to the nearest day, how long it will take the spaceship to reach Mars.

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Prealgebra

01/19/20

pre-algebra word problem

A runner ran at a rate of 3.2 miles per hour. Find the runner's exact rate, in feet per minute.1 mile = 5,280 feet

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Prealgebra Algebra 1 Algebra 2 Precalculus

01/19/20

The expression x^3+a(x^2)+bx–5 is exactly divisible by (x–1). When the same expression is divided by (x–2) the remainder is 15. Find the value of the expression when x=–1.

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Prealgebra

01/18/20

A force of 16 Newtons provides a pressure of 4 N / m 2 onto a square area. Find the length of the sides of the square.

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Prealgebra

01/17/20

If I leave my house and drive straight for 30 miles, then turn left and drive 40 miles, how far am I from my house in a straight line?

i dont know how to do this

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Prealgebra 6th grade pre Algebra

01/17/20

Question: Write an equivalent expression for how many more stamps kid needs to collect to reach goal of 1000 stamps. See below for what we know.

We know: He has 6 books of stamps that are filled and one that is partially filled with 62 stamps.

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Prealgebra Mathematics

01/16/20

Length of the parking lot

The perimeter of a rectangular parking lot is 350 m. If the width of the parking lot is 82m, what is it’s length

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Prealgebra Negative Numbers

01/16/20

what is 5 less than -20

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Prealgebra

01/15/20

If 100%=799 then what does 115%

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Prealgebra Math Proportions

01/14/20

A scale drawing of a building has a width to length ratio of 3:4.which best describes the width of the scale drawing if the length of the scale drawing is 37

A) 49 3/4 in.b)27 3/4 in.c)111in.d)37 3/4 in

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Prealgebra Math Algebra 1 Algebra 2

01/13/20

functions domain and range

For each function below, state domain and range, name the intervals where function is increasing or decreasing, and describe end behavior.f(x) = 1/2 x2y = x2 + 3y = -3x2

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Prealgebra Math Mathematics

01/13/20

Rectangle perimeter question

Question 1: The length of a rectangle is 3 times it’s width. What is it’s width if it’s perimeter is 120 centimeters?Question 2: The length of a rectangle is 3 centimeters more than it’s width.... more

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Prealgebra Math

01/13/20

How do I solve this? What is the answer?

In a right triangle, the measure of an a cute angle is 4 times the measure of the other angle which is n*. Find the measure of n*.

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Prealgebra

01/13/20

Pre - Algebra Measurement of triangle angle

The measures of an angle are represented by n*, n*, and 4n*. Find the measure of n.

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Prealgebra 8th Grade Math

01/13/20

Proportional relationships

Tomas collects sport cards. The number of baseball cards he buys each week is proportional to the number of football cards he buys. Fill in the missing numbers week 1 2. 3.... more

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