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3 years ago

How do I resolve this? Como resuelvo esto?

Mathematics

1 answer:

Nikolay [14]3 years ago

4 0

$\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ -----\\ A=144\pi \end{cases}\implies 144\pi =\pi r^2\implies \cfrac{144\pi }{\pi }=r^2 \\\\\\ 144=r^2\implies \sqrt{144}=r\implies \boxed{12=r} \\\\\\ \textit{circumference of a circle}\\\\ C=2\pi r\qquad \qquad C=2\pi \boxed{12}\implies C=24\pi$

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triangle MNO is an isosceles triangle in which only one angle measures 88.6. what is the angle measure of one of the two congrue

Aleksandr [31]

Answer:

45.7°

Step-by-step explanation:

area of a triangle= 180°
so,180- 88•6=91•4
since the congruent angles are equal,you will divide 91•4 by 2
91•4÷2=45•7
ans=45•7°

4 0

2 years ago

Combining Like Terms

Vsevolod [243]

I'm a bit confused.. Is this supposed to be asking a question about Combining Like Terms or is it like, telling what it is or something. I'm just clueless lol, It's good if your just telling people what it is if anyone needs help with it though! Not many people do that!

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3 years ago

The probability that a certain hockey team will win any given game is 0.3773 based on their 13 year win history of 389 wins out

notsponge [240]

Answer:

0.8895 = 88.95% probability that the hockey team wins at least 3 games in November.

Step-by-step explanation:

For each game, there are only two possible outcomes. Either the teams wins, or they do not win. The probability of the team winning a game is independent of any other game, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

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

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

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

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

And p is the probability of X happening.

The probability that a certain hockey team will win any given game is 0.3773.

This means that $p = 0.3773$

Their schedule for November contains 12 games.

This means that $n = 12$

Find the probability that the hockey team wins at least 3 games in November.

This is:

$P(X \geq 3) = 1 - P(X < 3)$

In which:

$P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)$

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

$P(X = 0) = C_{12,0}.(0.3773)^{0}.(0.6227)^{12} = 0.0034$

$P(X = 1) = C_{12,1}.(0.3773)^{1}.(0.6227)^{11} = 0.0247$

$P(X = 2) = C_{12,2}.(0.3773)^{2}.(0.6227)^{10} = 0.0824$

Then

$P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.0034 + 0.0247 + 0.0824 = 0.1105$

$P(X \geq 3) = 1 - P(X < 3) = 1 - 0.1105 = 0.8895$

0.8895 = 88.95% probability that the hockey team wins at least 3 games in November.

3 0

3 years ago

jasmine wants to build a 2 5/6 meter long garden path paved with square stones that measure 1/4 meter on each side there will be

patriot [66]

$2 \frac{5}{6}*2= \frac{17}{6}* \frac{2}{1} = \frac{17}{3}= 5\frac{2}{3}$

$5 \frac{2}{3}: \frac{1}{4}= \frac{17}{3}* \frac{4}{1}= \frac{68}{3} =22 \frac{2}{3}$

23 stones will be needed
(you have to round up, since you can't have a fraction of a stone)

4 0

3 years ago

Read 2 more answers

Thanks for any help provided to my question! <3<br>5m + 2(m + 8) + 3

disa [49]

5m+2(m+8)+3
5m+2m+16+3
7m+19

3 0

3 years ago