How many pounds of a 10% copper alloy must be mixed with 500 lb of a 30% copper alloy to make a 22.5% copper alloy? ____lbs Translate into a variable expression. Then simplify. a number n decreased by the difference between fifteen and the number Variable expression ___ Simplified expression ____ Which numbers are solutions of the inequality 4x − 2 > 6? (Select all that apply.) -5 2 4 6 Find the cost per ounce of a sunscreen made from 140 oz of lotion that cost $3.44 per ounce and 90 oz of lotion that cost $11.03 per ounce. $ ___per ounce A coffee merchant combines coffee that costs $6 per pound with coffee that costs $4.50 per pound. How many pounds of each should be used to make 25 lb of a blend costing $5.43 per pound? $6 per lb coffee lb $4.50 per lb coffee lb A coffee merchant combines coffee costing $3.50 per pound with coffee costing $3.00 per pound. How many pounds of each should be used to make 30 lb of a blend costing $3.20 per pound? $3.50/lb coffee lb $3.00/lb coffee lb Joseph Abruzzio decides to divide a gift of $6000 into two different accounts. He deposits $2000 in an IRA account that earns an annual simple interest rate of 5.5%. The remaining money is placed in an account that earns an annual simple interest rate of 8.25%. How much interest will Joseph earn in one year from the two accounts?$ Two investments earn an annual income of $946. One investment earns an annual simple interest rate of 7.9%, and the other investment earns an annual simple interest rate of 10.5%. The total amount invested is $10,000. How much is invested in each account? 7.9% investment $ 10.5% investment $ Suppose a and b are positive numbers such that a < b. State whether an absolute value equation in the given form has no solution, two negative solutions, two positive solutions, or one positive and one negative solution. |x − b| = a (choose one) no solution two negative solutions two positive solutions one positive and one negative solution

How many pounds of a 10% copper alloy must be mixed with 500 lb of a 30% copper alloy to make a 22.5% copper alloy? __lbs Translate into a variable expression. Then simplify. a number n decreased by the difference between fifteen and the number Variable expression _ Simplified expression __ Which numbers are solutions of the inequality 4x − 2 > 6? (Select all that apply.) -5 2 4 6 Find the cost per ounce of a sunscreen made from 140 oz of lotion that cost $3.44 per ounce and 90 oz of lotion that cost $11.03 per ounce. $ _per ounce A coffee merchant combines coffee that costs $6 per pound with coffee that costs $4.50 per pound. How many pounds of each should be used to make 25 lb of a blend costing $5.43 per pound? $6 per lb coffee lb $4.50 per lb coffee lb A coffee merchant combines coffee costing $3.50 per pound with coffee costing $3.00 per pound. How many pounds of each should be used to make 30 lb of a blend costing $3.20 per pound? $3.50/lb coffee lb $3.00/lb coffee lb Joseph Abruzzio decides to divide a gift of $6000 into two different accounts. He deposits $2000 in an IRA account that earns an annual simple interest rate of 5.5%. The remaining money is placed in an account that earns an annual simple interest rate of 8.25%. How much interest will Joseph earn in one year from the two accounts?$ Two investments earn an annual income of $946. One investment earns an annual simple interest rate of 7.9%, and the other investment earns an annual simple interest rate of 10.5%. The total amount invested is $10,000. How much is invested in each account? 7.9% investment $ 10.5% investment $ Suppose a and b are positive numbers such that a < b. State whether an absolute value equation in the given form has no solution, two negative solutions, two positive solutions, or one positive and one negative solution. |x − b| = a (choose one) no solution two negative solutions two positive solutions one positive and one negative solution

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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How many pounds of a 10% copper alloy must be mixed with 500 lb of a 30% copper alloy to make a 22.5% copper alloy?

____lbs

Translate into a variable expression. Then simplify.

a number n decreased by the difference between fifteen and the number

Variable expression ___

Simplified expression ____

Which numbers are solutions of the inequality 4x − 2 > 6? (Select all that apply.)

-5

Find the cost per ounce of a sunscreen made from 140 oz of lotion that cost $3.44 per ounce and 90 oz of lotion that cost $11.03 per ounce.
$ ___per ounce

A coffee merchant combines coffee that costs $6 per pound with coffee that costs $4.50 per pound. How many pounds of each should be used to make 25 lb of a blend costing $5.43 per pound?

$6 per lb coffee	lb
$4.50 per lb coffee	lb

A coffee merchant combines coffee costing $3.50 per pound with coffee costing $3.00 per pound. How many pounds of each should be used to make 30 lb of a blend costing $3.20 per pound?

$3.50/lb coffee	lb
$3.00/lb coffee	lb

Joseph Abruzzio decides to divide a gift of $6000 into two different accounts. He deposits $2000 in an IRA account that earns an annual simple interest rate of 5.5%. The remaining money is placed in an account that earns an annual simple interest rate of 8.25%. How much interest will Joseph earn in one year from the two accounts?
$

Two investments earn an annual income of $946. One investment earns an annual simple interest rate of 7.9%, and the other investment earns an annual simple interest rate of 10.5%. The total amount invested is $10,000. How much is invested in each account?

7.9% investment	$
10.5% investment	$

Suppose a and b are positive numbers such that a < b. State whether an absolute value equation in the given form has no solution, two negative solutions, two positive solutions, or one positive and one negative solution.

|x − b| = a (choose one)

no solution

two negative solutions

two positive solutions

one positive and one negative solution

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