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I am Lyosha [343]

2 years ago

9

Solve 5x + 3x = 5x + 18. Explain how you found your answer The solution is r = Because is on both sides of the equation, 3x must

be equal to so that the equation is true.

1 answer:

weqwewe [10]2 years ago

8 0

Answer:hope this helps!

Step-by-step explanation:

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M + 6 = 3m + 14<br> Solve?

labwork [276]

Answer:

-6=m

Step-by-step explanation:

m+6=3m+14

-m -m

6=2m+14

-14 -14

-12=2m

-12/2=-6

5 0

4 years ago

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Simplify using the distributive property:<br><br> 3(x+2) =

Minchanka [31]

Answer:

3x+6

Step-by-step explanation:

first you distribute (multiply) the 3 on the outside times x and it becomes 3x next distribute (multiply) 3 times 2 and it becomes a six and that's how you get your answer 3x+6

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4 years ago

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In a certain country, the average age is 31 years old and the standard deviation is 4 years. If we select a simple random sample

KengaRu [80]

Answer: 0.0062

Step-by-step explanation:

Given : Mean : $\mu=\ 31$

Standard deviation : $\sigma= 4$

Sample size : $n=100$

Assume that age of people in the country is normally distributed.

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x = 32

$z=\dfrac{32-31}{\dfrac{4}{\sqrt{100}}}=5$

The p-value = $P(x\geq32)=P(z\geq5)$

$=1-P(z$

Hence, the the probability that the average age of our sample is at least =0.0062

3 0

4 years ago

What are the first four terms for the Power Series y = 5x - 1 / x2 - x - 2?

TEA [102]

Answer:

idk sorry

just tryn to get points

Step-by-step explanation:

6 0

3 years ago

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PLEASE ANSWER THIS ASAP

sveta [45]

Answer:

Option D

is the correct....

8 0

4 years ago