10/18/21

Mixture problem solving

How much of an alloy that is 30% copper should be mixed with 600 ounces of an alloy that is 70% copper in order to get an alloy that is 50% copper?

10/18/21

placement of parentheses (extensions)

-4^2(-4)^2(-4^2)

10/18/21

passing through (4,8) with x-intercept 6

10/18/21

annual rate of compound interest

When you were ten years old, your parents invested $5,000 for your future. You are now thirty and, with interest compounding quarterly, the initial $5,000 has accumulated to $8,231 over the 20... more

10/18/21

Which expression is equivalent to 2^2/2^-8 x 2^8

Negative / Zero Exponents

10/18/21

annual rate of compound intrest

When you were ten years old, your parents invested $5,000 for your future. You are now thirty and, with interest compounding quarterly, the initial $5,000 has accumulated to $8,231 over the 20... more

10/18/21

Find three consecutive positive integers such that the square of the first, increased by the last, is 22.

Use RESA (Representation, Equation, Solution, Answer) to solve the problem.

10/17/21

Jose wants to put a fence around the garden in his back yard in Dallas.

Jose wants to put a fence around the garden in his back yard in Dallas. Since one side is adjacent to the house, he will only need to fence three sides.There are two long sides and one shorter side... more

10/17/21

College Algebra Homework question one

You invested ​$27,000 in two accounts paying 4% and 7% annual​ interest, respectively. If the total interest earned for the year was $1,740 how much was invested at each​ rate?

10/17/21

What is the perimeter of a rectangle with length w+2 and width w

Write as an algebraic expression. Then simplify.

10/17/21

find the domain of the function F(X) =√x² +3x-28

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