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antiseptic1488 [7]
3 years ago
6

Please help. Will choose brainiest.

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
5 0
First off, she should consider that there are 12 inches in every foot, that the length and width will increase by a factor of 12, also that the area will increase by a factor of 144.
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A software developer wants to know how many new computer games people buy each year. Assume a previous study found the standard
Marrrta [24]

Answer:

The minimum sample size required to ensure that the estimate has an error of at most 0.14 at the 95% level of confidence is n=567.

Step-by-step explanation:

We have to calculate the minimum sample size n needed to have a margin of error below 0.14.

The critical value of z for a 95% confidence interval is z=1.96.

To do that, we use the margin of error formula in function of n:

MOE=\dfrac{z\cdot \sigma}{\sqrt{n}}\\\\\\n=\left(\dfrac{z\cdot \sigma}{MOE}\right)^2=\left(\dfrac{1.96\cdot 1.7}{0.14}\right)^2=(23.8)^2=566.42\approx 567

The minimum sample size to have this margin of error is n = 567.

3 0
3 years ago
Is (4,3) a solution to the inequality graph below? Why or why not? I need help plz don’t upload files
Studentka2010 [4]

Answer:

yes

Step-by-step explanation:

Go to x=4 and y= 3

It is in the shaded area to it is a solution

7 0
3 years ago
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Anvisha [2.4K]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Can someone please help me real quick?​
Ivahew [28]

Answer:

Big square - unshaded = shaded

((8+4)X(10+5))-(10X8)=100

Answer: 100

Step-by-step explanation:

8 0
2 years ago
What is [(a+b)³]² simplified?<br> A. (a +b) 3/2<br> B. (a+b)^5<br> C. (a+b)^1<br> D. (a+b)^6
Tresset [83]

Answer:

<u>D. (a+b)⁶</u> is the right answer.

Step-by-step explanation:

[(a+b)³]²=(a+b)³*²=(a+b)⁶

3 0
3 years ago
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