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DanielleElmas [232]
3 years ago
9

Find the circumference and area of a circle with radius 14m

Mathematics
2 answers:
liubo4ka [24]3 years ago
8 0
Circumference of a circle

C = 2πr

since r = 14 then

C = 2π14

C =28π.

Area of a circle

A = πr²

A = π14²

A = 196π
enyata [817]3 years ago
7 0
196 (i dont know how to put pie) :) hope i helped :) 
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Answer:

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Step-by-step explanation:

The area is the product of the height and width. For this exercise, it is convenient to compute the rectangle areas individually, then write their sum:

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Total area = 5x^2 +10x.

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If you start by writing an expression for the total area, expanding it requires you deal with the unlike terms separately anyway:

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Answer:

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Step-by-step explanation:

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Suppose that only 65% of all drivers in a certain state wear a seat belt. a random sample of 80 drivers is selected. what is the
jonny [76]

Answer:

Pr(X >42) = Pr( Z > -2.344)

                = Pr( Z< 2.344) = 0.9905

Step-by-step explanation:

The scenario presented can be modeled by a binomial model;

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sigma^2 = n*p*(1-p) = 18.2

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