Ask question

Ask question

All categories

3 years ago

9

A metalworker has a metal alloy that is 20% copper and another alloy that is 75% copper. How many kilograms of each alloy shou

ld the metalworker combine to create 80 kg of a 53% copper alloy?

1 answer:

Molodets [167]3 years ago

4 0

That's the answer to your question

You might be interested in

a bakery uses 3/5 a cup of sugar for each cookies.How many batches of cookies can they make with 9 cups of sugar?

marysya [2.9K]

Answer:

12

Step-by-step explanation:

divide 9 by 3/5 or .75

6 0

3 years ago

In 36 days a girl spent 18 dollars. On average, what did she spend daily?

ale4655 [162]

On average, she spent 18/36 = 0.5$

3 0

3 years ago

Find f(-2) for the following function. <br><br>f(x)=3.6x-2

butalik [34]

Answer:

f(- 2) = - 9.2

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x) , that is

f(- 2) = 3.6(- 2) - 2 = - 7.2 - 2 = - 9.2

4 0

3 years ago

3. use the law of exponents to evaluate (1/x) ^ -n when x= 7 and n= 2

emmainna [20.7K]

D on both ...................

8 0

3 years ago

4 2/3 divided by 4 1/5

Galina-37 [17]

(4 2/3) / (4 1/5) = 1.111

8 0

3 years ago

Read 2 more answers