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3 years ago

5

Please show steps as to how you solve the problem. (it's important. Please!) Simplify (3x3y5)4

1 answer:

Otrada [13]3 years ago

5 0

Your Answer: 34x12y20

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(pleas help) Which statement describes the following expression? 6 x (3,117 + 724)

miskamm [114]

Answer:

6 times the value of 3,117 plus 724

Step-by-step explanation:

Hope that helps :)

3 0

3 years ago

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What is the first step to solve this equation?<br> 4x +1 = 2x – 5

eimsori [14]

I think it’s subtract 2x from both sides

8 0

3 years ago

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27) Harry made 4 hits in 9 times at-bat. If she keeps the same success level, how many hits should she make in 18 times at bat?

9966 [12]

Answer:

<u>8 hits</u>

Step-by-step explanation:

The ratio is :

hits : times-at-bat = 4 : 9

Now, we have 18 times at bat.

Multiply both sides of the ratio with 2 :

4 x 2 hits : 9 x 2 times at bat
<u>8 hits</u> : 18 times at bat

Harry should make <u>8 hits</u> in 18 times at bat.

6 0

2 years ago

Luca made a scale drawing of the auditorium. in real life, the stage is 45 feet long. it is 18

ollegr [7]

Answer:

30:1

Step-by-step explanation:

45*12 = 540

540/18 = 30

8 0

2 years ago

From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is

Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

The sample size n = 49

The sample mean $\overline x$ = 56

The formula for calculating the standard error can be expressed as:

$S.E = \dfrac{\sigma}{\sqrt{n}}$

$S.E = \dfrac{14}{\sqrt{49}}$

$S.E = \dfrac{14}{7}$

S.E = 2

Therefore, the standard error of the mean = 2

4 0

3 years ago