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3 years ago

12

The length of each side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. The length of ea

ch side of the original square was inches.

1 answer:

densk [106]3 years ago

6 0

Check the picture below.

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What is the answer to 3x + 2 = -19?

Marrrta [24]

Answer:

X = -7

Step-by-step explanation:

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3 years ago

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Which of the following is a solution to the equation y=3x - 1?

Jlenok [28]

The answers are the following
1. B
2. A
3. B
4. A

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3 years ago

A students' choir contains 25 children and only 5 of them play the piano. If a child is selected at random, what is the probabil

solniwko [45]

Answer:

probability that the child DOES NOT play the piano

$P(E^{-}) =\frac{4}{5}$

Step-by-step explanation:

A students' choir contains 25 children

n(S) =25

The number of students play the piano =5

Let 'E' be the event of the child play the piano so n(E) =5

The probability of that the child play the piano

$P(E) = \frac{n(E)}{n(S)}$

$P(E) = \frac{5}{25}= \frac{1}{5}$

Let 'E⁻ be the event of the child play does not play the piano

$P(E^{-}) = 1- P(E)$

$P(E^{-}) = 1- \frac{1}{5} =\frac{4}{5}$

<u>Conclusion</u>:-

probability that the child DOES NOT play the piano

$P(E^{-}) =\frac{4}{5}$

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3 years ago

PLEASE HELP WITH THIS ONE QUESTION

raketka [301]

Answer:

dont know

Step-by-step explanation:

sorry

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3 years ago

2.456x10^11 in <br> standard form

vodka [1.7K]

Answer:

<h2>245,600,000,000</h2>

Step-by-step explanation:

245 Billion, 600 Million, Thousand, Hundreds

Hope this helps! <3

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3 years ago