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Sauron [17]
3 years ago
8

Solve for x. 4x + 6 4x + 6 x = [?]

Mathematics
2 answers:
Airida [17]3 years ago
8 0

Answer:

21

Step-by-step explanation:

4x+6+4x+6=180

8x+12=180

8x=168

x=21

svp [43]3 years ago
3 0

Answer:

X=21

Step-by-step explanation:

Well since its just a right angle you really gotta only solve for one since their their the same things.

4x+6=90

Solve the equation

x=21

Even if you do the two together with 180, same thing.

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The length of a paper clip chain is directly proportional to the number of paper clips. If a chain with 65 paper clips has a len
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<u>Answer:</u>

The length of a paper clip chain is directly proportional to the number of paper clips. If a chain with 65 paper clips has a length of 97.5 inches then the length of chain with 14 paper clips is 21 inches.

<u>Solution:</u>

Given that the length of a paper clip chain is directly proportional to the number of paper clips. Directly propotional means when the length of paper clip increases, then the number of paper clips also increases in same ratio.

Hence, by above definition, we get  

\frac{l_{1}}{l_{2}} = \frac{n_{1}}{n_{2}}  ------- eqn 1

From question, for a chain with 65 paper clips has a length of 97.5 inches, we get  

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Similarly, for a chain with 14 paper clips with length to be found, we get  

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Now by using eqn 1, we can calculate the length of 14 paper clips  is,

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