3 years ago

Kurt conducted a survey to find the favorite type of music of his classmates

Mathematics

1 answer:

klio [65]3 years ago

7 0

Answer:

True

Step-by-step explanation:

9+5=14

And rock is at 7

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Given P(A)=0.78P(A)=0.78, P(B)=0.65P(B)=0.65 and P(A\cup B)=0.873P(A∪B)=0.873, find the value of P(A\cap B)P(A∩B), rounding to t

Sever21 [200]

Answer:

$P(A\ n\ B) = 0.557$

Step-by-step explanation:

Given

$P(A) = 0.78$

$P(B) = 0.65$

$P(A\ u\ B) = 0.873$

Required

Determine $P(A\ n\ B)$

From laws of probability, we have:

$P(A\ n\ B) = P(A) + P(B) - P(A\ u\ B)$

Substitute in values

$P(A\ n\ B) = 0.78 + 0.65 - 0.873$

$P(A\ n\ B) = 0.557$

Hence, $P(A\ n\ B)$ <em> is calculated to be 0.557</em>

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3 years ago

What is 0.75 as the lowest possible fraction?

elena-s [515]

The lowest possible fraction is 3/4 because 0.75=75/100 then you divide both terms by 25 and get 3/4

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3 years ago

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A hair salon charges a fixed rate of $25.00 for a haircut and then an additional 515 for any other services. Write a function to

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Answer:

you have a fixed rate of $25, meaning you get a haircut, it's $25

ANY other service is an extra $15

So, let's make the equation...

y=15x+25

Now, to just get a haircut it's $25.

But, let's say you get a haircut+shampoo

It'd be..

y=15(1)+25

y=$40

Another one..

You get a haircut+shampoo+highlight

y=15(3)+25

y=$70

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The measures of two angles of a triangle are given below. Find the measure of the third angle of the triangle in decimal form.

Sedbober [7]

Answer:

22.8°+65.3=88.1

180-88.1=91.9

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Tacos from the taco truck or 60% off on Tuesdays Erica by the taco for 1.50 on Tuesday she wants to know the regular price of a

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Answer:

$2.50

Step-by-step explanation:

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