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Igoryamba
2 years ago
11

In a certain​ chemical, the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 375 grams of copper. How many gra

ms of zinc does it​ contain?
Mathematics
2 answers:
OverLord2011 [107]2 years ago
6 0

Answer:

<u>100 Grams of Zinc</u>

Step-by-step explanation:

15 <u>divided</u> by 4 is 3.75.

375 <u>divided</u> by 3.75 is 100.

<u>100 grams Zinc.</u>

Reika [66]2 years ago
4 0

Answer: 93 grams Zinc

Step-by-step explanation:

3 Zinc : 13 Copper

x 31       x 31            

93 Zinc,     403 Copper

or

set up a proportion, cross multiply, and solve for the variable:

3(403) = 13(x)

3(31) = x

93 = x

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Write in base two the following numbers: one, two, four, eight, and sixteen.
Vikki [24]

Answer:

1 is 1 in base 2

2 is 10

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8 is 1,000

16 is 10,000

Step-by-step explanation:

Here, we want to write the numbers in base 2;

We simply divide each by 2 and note the remainders;

For 1 ; in base two , the answer is 1

for 2 in base two, the answer is 10

For 4 in base two, the answer is; 100

For 8, the answer is 1000

For 16 , the answer is 10,000

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3 years ago
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The correct answer is 0.2
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3 years ago
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valina [46]

Answer:36!

Step-by-step explanation:

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3 years ago
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Solve for r write the answer in simplified form<br><br> 7 = - 7r
alex41 [277]

Answer:

r = -1

Step-by-step explanation:

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3 0
3 years ago
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kari74 [83]

Answer:

I think that it may be 33

Because, you see 15-9=6

so you do 20-9=11

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6 0
3 years ago
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