A metalworker has a metal alloy that is 15% copper and another alloy that is 75% copper. How many kilograms of each alloy should the metal worker combine to create 90 kilograms of a 51% copper alloy?

Use the rewritten formula to find the width of a rectangle with an area of 42 square inches and a length of 16.8 inches.

A box o 25 light bulbo is shipped to a hardware store when it arrives four of the bulbs are broken predict the number of broken Light bulbs in an order of 125 bulds

What is one reason why we add and subtract decimals

Evaluate each expression if g=2 r=3 and t=11. 3g (g+r) ^2-1

What is the answer to 2x2

Amber has 19 coins that are dimes and quarters. If they are worth $3.70 then how many dimes and quarters does she have?

How to solve an equation with variables and absoulte value symbols?

Daniel kicks a soccer ball up in the air with an initial upward velocity of 64 ft. per second. The ball is 2 ft. above the ground when it is kicked. The following function represents this situation: - 16x2 + 64x + 2.

Carmen begins her next painting on a rectangular canvas that is 82.7cm long and has an area of 8137.68 cm2. Will the painting fit in a frame with an opening that 82.7cm long and 95cm wide

According to the data, what would the population be in 2010? [Note: The function is P (t) = (200) (1.01223) t. A) 367,274 B) 367,987 C) 368,254 D) 368,640 Year 1960 1975 1990 2005 2020 (est.) Population P (t) 200,000 240,000 288,000 345,600 414,720