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lbvjy [14]
3 years ago
15

PLEASE HELP ME people I beg you

Mathematics
1 answer:
Paraphin [41]3 years ago
3 0
Equation of circumference is C=2pi times radius
So radius being 32 and pi being 3.14
You would do
2x3.14x32
= 200.96
Hope I helped
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What is the average rate of change for the function f(x)=x^2+4 for the domain of -2 to 4
Neko [114]

Answer:

  2

Step-by-step explanation:

For a quadratic function the average rate of change on an interval is the rate of change at the midpoint of the interval. The rate of change of a function is given by its derivative.

The derivative of f(x) = x^2 is f'(x) = 2x. The midpoint of the interval is (4+(-2))/2 = 1. Then the average rate of change is ...

  f'(1) = 2(1) = 2

The average rate of change of f(x) on [-2, 4] is 2.

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<em>Alternate solution</em>

The average rate of change is the slope of the line between the end points of the interval:

  m = (y2 -y1)/(x2 -x1)

  m = (f(4) -f(-2))/(4 -(-2)) = (20 -8)/(6) = 2

The average rate of change on [-2, 4] is 2.

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The attached graph shows the points on the curve and a line with slope 2 between them. It also shows the various slope calculations.

5 0
3 years ago
Is every natural number a rational number.
kolezko [41]
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8 0
3 years ago
Need help with a couple of geometry word problems. Giving 100 points, tysm if you help :)
dlinn [17]

Answer:

Hope it helps

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Solve. −815x=2.24 Enter your answer as a mixed number in simplest form in the box. x =
lutik1710 [3]

x=2.7 x 10*-3

Step-by-step explanation:

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Ymorist [56]

Answer:

m=-5

Step-by-step explanation:

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