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4 years ago

What is the mean of 87 104 and 99

2 answers:

6 0

It is 96.6 repeating. to get this answer, you add up all the numbers then divide the answer by hiw many numbers there are

Luden [163]4 years ago

6 0

87 + 104 + 99 = 290
290/3 (3 came from the amount of numbers there are) = 96.66...
You can also write as 96 $\frac{2}{3}$ or %96.66...
(HAVE TO INCLUDE THOSE DOTS)

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When Alice spends the day with the babysitter, there is a 0.6 probability that she turns on the TV and watches a show. Her littl

slava [35]

Answer:

a) There is a 48% probability that both Alice and Betty watch TV tomorrow.

b) There is a 48% probability that Betty watches TV tomorrow.

c) There is a 12% probability that only Alice watches TV tomorrow.

Step-by-step explanation:

We have these following probabilities:

A 60% probability that Alice watches TV.

If Alice watches TV, an 80% probability Betty watches TV.

If Alice does not watch TV, a 0% probability that Betty watches TV, since she cannot turn the TV on by herself.

a) What is the probability that both Alice and Betty watch TV tomorrow?

Alice watches 60% of the time. Betty watches in 80% of the time Alice watches. So:

$P = 0.6*0.8 = 0.48$

There is a 48% probability that both Alice and Betty watch TV tomorrow.

b) What is the probability that Betty watches TV tomorrow?

Since Betty only watches when Alice watches(80% of the time), this probability is the same as the probability of both of them watching. So

$P = 0.6*0.8 = 0.48$

There is a 48% probability that Betty watches TV tomorrow.

c) What is the probability that only Alice watches TV tomorrow?

There is a 60% probability that Alice watches TV tomorrow. If she watches, there is an 80% probability that Betty watches and a 20% probability she does not watch.

$P = 0.6*0.2 = 0.12$

There is a 12% probability that only Alice watches TV tomorrow.

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3 years ago

Find the missing number of each unit rate.

UNO [17]

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Which equation represents the standard form of the equation y= (x + 3)² - 4?

lilavasa [31]

Answer:

The answer is B. $y = x^2 + 6x + 5$

Step-by-step explanation:

Because $y = (x + 3)^2 - 4 = x^2 + 6x + 9 - 4 = x^2 + 6x + 5$

So the answer in this question is B.

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Anon25 [30]

Answer: Octavian (the future emperor Augustus), Mark Antony, and Lepidus. i hope this helped

Step-by-step explanation:

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larisa86 [58]

Answer:

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Step-by-step explanation:

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3 years ago

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