Sandy spends 4 hours at the beach every 6 days. How many hours will she spend at the beach in 72 days
1 answer:
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Answer:
13
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [2, 6 ]
f(b) = f(6) = 6² + 5(6) - 8 = 36 + 30 - 8 = 58
f(a) = f(2) = 2² + 5(2) - 8 = 4 + 10 - 8 = 6
Hence
average rate of change = =
= 13
Answer:
Step-by-step explanation:
{8x + 8y = 64
{y = x + 2
8x + 8[x + 2] = 64
8x + 8x + 16 = 64
16x + 16 = 64
- 16 - 16
__________
[Plug this back into both equations above to get the y-coordinate of 5];
* This is using the Substitution Method.
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