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2 years ago

6

Use the grid to draw three different rectangles so that each has an area of 12 square units and they all have different widths.

What are the dimensions of the rectangles?

2 answers:

Ymorist [56]2 years ago

6 0

What numbers multiply to 12?
1 and 12
2 and 6
3 and 4

A rectangle with each of these dimensions will have an area of 12.

mamaluj [8]2 years ago

4 0

Answer:

1,2,3,4,6,12

Step-by-step explanation:

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In a manufacturing process a random sample of 9 bolts manufactured has a mean length of 3 inches with a standard deviation of .3

Serggg [28]

Answer:

The correct option is (C) (2.769, 3.231).

Step-by-step explanation:

The confidence interval for mean when the standard deviation is not known is:

$CI=\bar x\pm t_{\alpha/2, (n-1)}\frac{s}{\sqrt{n}}$

Given:

$\bar x = 3\\s=0.3\\n=9\\\alpha =1-0.95=0.05$

Compute the critical value as follows:

$t_{\alpha/2, (n-1)}=t_{0.05/2, (9-1)}=t_{0.025, 8}=2.31$

**Use a <em>t</em>-table.

The 95% confidence interval for true mean length of the bolt is:

$CI=\bar x\pm t_{\alpha/2, (n-1)}\frac{s}{\sqrt{n}}\\=3\pm 2.31\times \frac{0.30}{\sqrt{9}}\\ =3\pm 0.231\\=(2.769, 3.231)$

Thus, the 95% confidence interval for true mean length of the bolt is (2.769, 3.231).

The correct option is (C).

7 0

2 years ago

Ordena de menos a mayor las siguientes fracciones:

Ahat [919]

7/12 , 2/3 , 3/4 , 5/6

3 0

2 years ago

Help me out yall!!!! I need answers ASAP

Paha777 [63]

Answer:

199

Step-by-step explanation:

Ok, lets do the math, 41,790 is going to be the number we divide by, and than we use 210 to divide it with, meaning the final answer is 199.

5 0

2 years ago

Question 7 (points) ∠DBC ≅ True or False

muminat

Answer:

answer is false okkkkm

4 0

3 years ago

Helpppp please!!!!!!!

oksian1 [2.3K]

Answer:

the last one is right by look at the chart

4 0

2 years ago