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avanturin [10]
3 years ago
14

A piece of string is 42 meters long. It is cut into three pieces so that one piece is 15 meters longer than the other two, which

are both the same length. Find the length of each piece of string.
Mathematics
1 answer:
Semmy [17]3 years ago
4 0
To start this problem, we know that one of the three pieces that the string is cut into is 15 meters longer than the others. Subtract 15 from 42 to get 27.
Then, from there, you can cut that number (<em>divide</em>) by three to get the length of the two shorter strings. Simply add the 15 meters you didn't use yet to one of the pieces to find the longer string, and you have your lengths.

Hope this helps!
-refrac532
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Nick has some quarters and dimes. He has 17 coins worth a total of $3.35. How many of each type
kolbaska11 [484]
Equations:
q + d = 17
0.25q + 0.10d = 3.35$
———————
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———————
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———————

Answers:
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6 0
3 years ago
Please <br><img src="https://tex.z-dn.net/?f=%20%5Csin%28120%29%20%20%5C%5C%20%20%5Ctan%28%20%5Cfrac%7B3%5Cpi%7D%7B4%7D%20%29%20
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Answer:

\sin(120)  \\  =  \sin(90 + 30)   \\  =  \cos(30)  \\  =  \frac{ \sqrt{3} }{2}  \\  \\  \tan( \frac{3\pi}{4} )  \\  =  \tan(135)  \\  =  \tan(90 + 45)  \\  =  -  \cot(45)  \\  =  - 1

8 0
2 years ago
Read 2 more answers
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