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1 year ago

The circumference of a circle is 5pi m. What is the area, in square meters? Express

Mathematics

2 answers:

Molodets [167]1 year ago

5 0

Answer:

$Solution,\\Circumference=5\pi m\\Diameter(d)=5\pi /\pi =5m\\Radius(r)=5m/2=2.5m\\Now,\\Area=\pi r^{2} \\Area=\pi *(2.5m)^{2} \\Area=\pi *6.25m^{2} \\Area=6.25\pi m^{2}$

Step-by-step explanation:

Alex777 [14]1 year ago

3 0

The answer is in the image hope this helps

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Thepotemich [5.8K]

Answer:

D' (-4,-2)

E' (-1,2)

F' (2,-4)

Step-by-step explanation:

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3 years ago

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the graph of liner function f passes through the point (1,-9) ad has a slope of -3 what is the zero of f

Lostsunrise [7]

Answer:

answer 4 im pretty sure

Step-by-step explanation:

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2 years ago

Dorothy Little purchased a mailing list of 2,000 names and addresses for her mail order business, but after scanning the list sh

andrew-mc [135]

Answer:

$P(X > 0) = 0.9222$

Step-by-step explanation:

For each name, there are only two outcomes. Either the name is authentic, or it is not. So, we can solve this problem using the binomial probability distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.\pi^{x}.(1-\pi)^{n-x}$

In which $C_{n,x}$ is the number of different combinatios of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And $\pi$ is the probability of X happening.

In this problem.

5 names are selected, so $n = 5$

A success is a name being non-authentic. 40% of the names are non-authentic, so $\pi = 0.40$ .

We have to find $P(X > 0)$

Either the number of non-authentic names is 0, or is greater than 0. The sum of these probabilities is decimal 1. So:

$P(X = 0) + P(X > 0) = 1$

$P(X > 0) = 1 - P(X = 0)$

$P(X = x) = C_{n,x}.\pi^{x}.(1-\pi)^{n-x}$

$P(X = 0) = C_{5,0}*(0.40)^{0}*(0.6)^{5} = 0.0778$

$P(X > 0) = 1 - P(X = 0) = 1-0.0778 = 0.9222$

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2 years ago

Julio bought 6 pairs of pants for a total of $330. Dress pants cost $60 and jeans cost $50. How many of each type of pants did h

noname [10]

Answer:

4 jeans and two dress pants.

Step-by-step explanation:

listein i know this might not make sense, but there can only be 6 pairs. and that was the closest i got. let me know if im wrong.

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2 years ago

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What is the solution to the inequality 14 - 2(x+1)< -4

Sophie [7]

Answer: x>8.

Step-by-step explanation:

$14-2*(x+1) < -4\\ 14-2x-2 < -4\\12-2x < -4\\12-2x+4 < 0\\16-2x < 0\\16-2x+2x < 0+2x\\16 < 2x\\Divide \ both\ sides\ of \ the\ equation \ by \ 2:\\8 < x.$

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1 year ago