4,511 Answered Questions for the topic prealgebra

Prealgebra Math Middleschool

02/19/21

I need a equation
I need an equation with variables on each side. The x has to equal to 17 or 19, please give an idea as soon as possible!!
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Expert Answers •1

02/19/21

Student Jen asks
A potter uses 3/5 of a pound of clay to make a bowl. How many bowls could the potter make from 10 pounds of clay?
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Prealgebra

02/18/21

I need help solving x/-9 ≥ 3
Hi this question is on khan academy and I can't figure the answer out, please help figure what x is.
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Prealgebra Math Algebra

02/18/21

evaluate a linear function word problems

This equation shows how the distance Gabe has cycled depends on the number of trips he has taken to work.d = 3tThe variable t represents the number of trips he has made, and the... more
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02/18/21

equation of the secant line - urgent help please!
Let f(x)=5.9x^2 − 2.6x. Can someone help me find the equation of the secant line on the graph of f(x) between x1 = 2 and x2 = 7 ---- with the answer in mx + b format?
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02/18/21

avg rate of change !!
Find the average rate of change in millions/day, of the daily receipts from day 42 to day 112 Days (right side) ----- $Receipts (left... more
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Expert Answers •1

02/18/21

avg rate of change !!
Find the average rate of change in millions/day, of the daily receipts from day 42 to day 112 Days (right side) Receipts... more
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Prealgebra

02/17/21

Thirteen more then five times a number is -17
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Prealgebra Math

02/17/21

Last year for the musical at the school, adult tickets sold out for $3.50 and student tickets sold for $2.50. For one performance 321 tickets were sold for $937.50.Read description
How many of each kind of tickets were sold?
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Prealgebra Math

02/17/21

Kevin has 37 coins in his locker, which are all either dimes or nickels. He knows that he has $2.80 in total. How many dimes does he have, and how many nickels does he have.

Let x+ Nickels, and let y=dimes.
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Prealgebra Math Middle School

02/17/21

The problem won't fit here so it's in the description!!
Customers of a phone company can choose between two service plans for long-distance calls. The first plan has a $15 dollar monthly fee and charges an additional $0.08 for each minute of calls. The... more
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Prealgebra

02/17/21

write a variable expression for the amount of your budget left after r rentals.

You belong to an online DVD rental service. Your yearly rental budget is $200. Each rental costs $4.
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Prealgebra Math

02/16/21

Question For math
 On a certain hot​ summer's day, 71 people used the public swimming pool. The daily prices are $1.25 for children and $2.50 for adults. The receipts for admission totaled $136.25.  How many... more
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Prealgebra

02/16/21

If 2a + 3 < 10 what is the value of a
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Prealgebra

02/12/21

Evaluate expressions

Evaluate the given expression at x = 4 Answer to -2x^2
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Prealgebra

02/12/21

Word problem two proofs
Joseph read 3.6 books last month. He plans to do the same every month for a year. How many books will he read by the end of the year?
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Prealgebra

02/12/21

Two investments totaling $34,000 produce an annual income of $2460. One investment yields 3% per year, while the other yields 9% per year. How much is invested at each rate?
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Prealgebra Math Algebra Exponents

02/11/21

Match each expression with it's simplified form.
(y8)/(y-2)(48)/4(45)/(42)(Y3)/(y7)____________________________________________________Match the top math problem with the bottom math equation. The top math problem is the problem to solve and the... more
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Prealgebra Math Algebra Exponents

02/11/21

Match each expression with it's simplified form
(x^3)(x)(3^10)(3^-2)(X^-3)(x^6)(3^4)(3^2)____________________________Match the bottom math equation with the bottom on. The bottom ones are the answers and the top it's the math... more
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02/11/21

Algebra 1 Word Problem

A group of college students are going to a lake house for the weekend and plan on renting small cars and large cars to make the trip. Each small car can hold 5 people and each large car can hold 8... more
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02/11/21

A rectangle has a length that is unknown but is 12 inches longer than its width, w. The perimeter of the rectangle is 104 inches.
(a) Write an expression for the length of the rectangle in terms of w. Label it on the diagram. (b) Write an equation using the perimeter to find the value of w. Solve it for w.
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Prealgebra Math Algebra Exponents

02/11/21

Simplify the expression by combining the like terms. Explain your thinking
X4 + x4 + 2x2 + 3x2
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Prealgebra Math Algebra Exponents

02/11/21

Simplify the expression by combining the like terms. Explain your thinking
X4 + x4 + 2x2 + 3x2
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Expert Answers •1
Prealgebra Math Algebra Exponents

02/11/21

Put the operation in the correct order of when to simplify them in an expression.
(( These are mixed matched so correct them in the right order )) Parentheses, brackets, and groupingsAddition and subtractionExponents, powers, and roots Multiplication and division
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Prealgebra Math Algebra Exponents

02/10/21

Simply each expression
2^76^111^07^28^3______________________________________The top number list is the numbers that need to be simplified, and the numbers bellow are the... more
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