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xxTIMURxx [149]
2 years ago
5

write a general formula to describe variation: S varies jointly with the inverse of the cube root of P and the inverse of the sq

uare root of L; S=7 when P=64 and L= 100

Mathematics
1 answer:
lukranit [14]2 years ago
8 0

Answer:The last option in the question

Step-by-step explanation:

S varied with the inverse of the cube root of P and inverse of the square root of L means S = K/3√P x √L...Inserting the values gives the answer.

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C) The mean is about 100.

Step-by-step explanation:

We see that the best fit line (out of the options listed) would be y=100. The mean can also be algebraically calculated with the following equation:

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Answer:

3. D) 26, 7, 31

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Both #3 and #4 use the same strategy: the two shorter sides' sum has to be greater than the longer side.

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2 + 8 is 10, which is less than 13. So A wouldn't form a triangle.

12 + 22 is 34, which is the length of the longer side. So B wouldn't form a triangle either.

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17 + 18 is 35, which is greater than 19. So A would form a triangle.

11 + 22 is 33, which is greater than 25. So C would also form a triangle.

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