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viktelen [127]
2 years ago
14

The radius of a circle is 19 miles. What is the circle's circumference? Use 3.14 for .

Mathematics
2 answers:
tamaranim1 [39]2 years ago
8 0

Answer:

119.32 miles

Step-by-step explanation:

C = 2πr

Input the data given.

C= 2× 3.14×19

2×3.14= 6.28

6.28×19= 119.32

Therefore, the circumstance would be 119.32 miles.

insens350 [35]2 years ago
7 0

Answer:

119.38

Step-by-step explanation:

the circumference is πd so it is 19 X 2, which is 38, times π, which is 38π. this equals 119.38

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What are the approximate values of the minimum and maximum points of f(x) = x5 − 10x3 + 9x on [-3,3]? A. maximum point: (–2.4, 3
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Answer:

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Step-by-step explanation:

We are not told how to approach this problem.  

One way would be to graph f(x) = x^5 − 10x^3 + 9x on [-3,3] and then to estimate the max and min of this function on this interval visually.  A good graph done on a graphing calculator would be sufficient info for this estimation.  My graph, on my TI83 calculator, shows that the relative minimum value of f(x) on this interval is between x=2 and x=3 and is approx. -37; the relative maximum value is between x= -3 and x = -2 and is approx. +37.  

Thus, we choose Answer A as closest approx. values of the min and max points on [-3,3].  In Answer A, the max is at (-2.4, 37.014) and the min at (2.4, -37.014.

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Answer:

Step-by-step explanation:

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