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USPshnik [31]
3 years ago
10

Isabel needs to cut a square piece of wood with the area of 70 in.² approximate the size of the square and round to the nearest

10th of an inch
Mathematics
1 answer:
Alla [95]3 years ago
5 0

Answer:  8.4 inch

Step-by-step explanation:

To find the size of the square, just find the square root of 70. Because the area of a square is the side length squared

\sqrt{70}  =  8.3666  rounded to the nearest 10th is  8.4  inch

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N76 [4]
I'm pretty sure the answer is 12.
4 0
3 years ago
Find the least common denominator <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B9%7D%20%5Cfrac%7B8%7D%7B4%7D" id="TexFormul
MA_775_DIABLO [31]

Answer:

36 is your least common denominator. Hope this helps

Step-by-step explanation:

8 0
2 years ago
In a survey sample of 83 respondents, the mean number of hours worked per week is 39.04, with a standard deviation of 11.51. Cal
soldier1979 [14.2K]

Given that,

Sample size= 83

Mean number= 39.04

Standard deviation= 11.51

We know the critical t-value for  95% confidence interval which is equal to 1.989.

We also know the formula for confidence interval,

CI=( mean number - critical t-value*standard deviation/(sample size)^(1/2), mean number + critical t-value*standard deviation/(sample size)^(1/2))

So, we have

CI= (39.04 - 1.989*11.51/83^(1/2), 39.04 + 1.989*11.51/83^(1/2)

CI= (39.04 - 2.513,39.04 + 2.513)

CI= (36.527,41.553)

Therefore, 95% confidence interval for these data is (36.527,41.553), and this result interpret that the true value for this survey sample lie in the interval (36.527,41.553).

8 0
3 years ago
Read 2 more answers
Do this problem for me? 1st correct answer gets a brainliest...
Fantom [35]

The expression x > -4 means "all the numbers stricktly greater than -4"

Since the number line is oriented with positive direction going to the right, a number is greater than another if its sits to its right.

So, we want all the numbers to the right of -4, excluded -4 itself.

So, the answer is D.

7 0
3 years ago
PLEASE HELP ILL GIVE 5* AND THANKS.
Arlecino [84]

Answer:

The numbers in the sequence are perfect squares

next number is 9

5 0
3 years ago
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