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Readme [11.4K]
3 years ago
14

13y=187^2-174^2, find y

Mathematics
2 answers:
DerKrebs [107]3 years ago
8 0

Answer:

y=361

Step-by-step explanation:

187^2-174^2 = 4693

4693/13 = 361

13 x 361 = 4693

lana66690 [7]3 years ago
5 0

Answer: y = 361

Step-by-step explanation:

1. 13y = 187^2 - 174^2

2. 13y = (187 - 174) x (187 + 174) --- (use a^2 - b^2 = (a-b)(a+b)

3. 13y = 13(187 + 174) ---- (subtract the number)

4. 13y = 13 x 361 --- (add the numbers)

5. 13y = 4693 --- (multiply)

6. y = 361 ---- (divide)

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