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KengaRu [80]
3 years ago
14

What does a variable allow you to do that you couldn't do before

Mathematics
1 answer:
larisa [96]3 years ago
7 0
A variable can allow you to  guess and test.  If you had a definite answer, there would be no need to guess and test.  However, you could still use a formula to figure the answer.
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Ok help me please guys ..what is 61=3b+7 ?
Neporo4naja [7]
61 = 3b + 7

3b + 7 = 61

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What is 50 divided by 2/3
katovenus [111]

Answer:

75

Step-by-step explanation:

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Lena drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 6 hours. When Lena drove h
tekilochka [14]
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If a baseball player get a hit in 31% of his at-bats, what is the probability that he will
solong [7]

Given:

A baseball player get a hit in 31% of his at-bats.

To find:

The probability that he will  get a hit 5 at-bats in a row.

Solution:

Since, a baseball player get a hit in 31% of his at-bats, therefore

Probability that he get a hit = \dfrac{31}{100}

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Now, the probability that he will  get a hit 5 at-bats in a row is

P=0.31\times 0.31\times 0.31\times 0.31\times 0.31

P=(0.31)^5

P=0.0028629151


Therefore, the required probability is (0.31)^5 and it can be written as 0.0028629151 .

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2 years ago
R0-180(x, y) maps to the same point as 80,180(x, y).<br> True<br> False
mariarad [96]
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