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lesya692 [45]
3 years ago
8

Simplify the expression 8-4n+9n+7+10n

Mathematics
2 answers:
Alexandra [31]3 years ago
7 0
Answer is 5(n+3)
It’s simple
STatiana [176]3 years ago
5 0

Answer:5(3+n)


Step-by-step explanation:


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Sarah rolls a die twice. What is the probability that she rolls a 3 and then an even number?
vekshin1

Answer:

A) 1/12

Step-by-step explanation:

The sample space of rolling a die is { 1,2,3,4,5,6}

P (getting 3)= The number of "3"'s  in the sample space over the number of items in the sample space

P (getting a 3} = 1/6

P (getting  even)= The number of evens  in the sample space over the number of items in the sample space

P (getting an even} = 3/6= 1/2

Since these are independent events, we multiply the probabilities

P(3, even) = 1/6 * 1/2 = 1/12

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Fran works due north of home. Her husband Juan works due east. By the time Fran is 5 miles from home the distance between them i
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Mandarinka [93]
<h3>Volume of the cylinder:</h3>

v = \pi {r}^{2} h

v = 3.14 \times  {2}^{2}  \times 3

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v = lwh

v = 6 \times 5 \times 7

v = 210 \:  {cm}^{3}

<h3>Total volume:</h3>

v = 37.68 + 210

v = 247.68 \:  {cm}^{3}

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2 years ago
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Which expressions are equivalent to 3x+3(x+y)?
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Answer:  6x+3y

Step-by-step explanation:

3x+3(x+y)= 3x+3x+3y=6x+3y

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3 years ago
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