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vitfil [10]
3 years ago
15

The average temperature at the South Pole is - 47° F. The average temperature on the Equator is 86° F. How much warmer is the

Mathematics
2 answers:
inn [45]3 years ago
8 0

Answer:

133° F

Step-by-step explanation:

So from -47 to 0 is 47. Add that on to 86.

That comes out to 133

Hope this helps

Brainliest would be appreciated

Taya2010 [7]3 years ago
4 0

Answer:

133

Step-by-step explanation:

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A company produces electric insulators. The strength of the insulators is important since a broken insulator may cause a short c
prisoha [69]

Answer:

A company produces electric insulators. The strength of the insulators is important since a broken insulator may cause a short circuit. Unfortunately, the strength varies significantly due to the material. Because of the expense, only a limited number of insulators could be tested. The engineers sampled 25 insulators (From a production run of 200), and conducted a destructive test to determine the force that was required to break the insulators. The mean value of this force was 1723 lbf with a sample standard deviation of 90 lbf. You may approximate the population standard deviation with the sample standard deviation for the following questions. a. Determine if the population is large enough or if a finite population correction (FPC) factor is needed. If so, what is the FPC factor? b. For 95% confidence, determine the margin of error (+ lbf) c. For these conditions, estimate the range of the probable population mean. Provide lower and upper values. For 95% confidence, determine the margin of error ( Assume the same mean and sample standard deviation. What is one advantage and one disadvantage of using 50 insulators instead of 25 insulators? d. lbf) if 50 insulators were tested.

Step-by-step explanation:

6 0
2 years ago
Find the solution by graphing the equations pls help
lilavasa [31]

Answer:

graph these
y = 2x + 2
y = 2x - 3

Step-by-step explanation:

2x - y = -2
2x - y = 3

convert to y intercept form
first
2x - y = -2
-y = -2x - 2
y = 2x + 2
second
2x - y = 3
-y = -2x + 3
y = 2x - 3

you are left with
y = 2x + 2
y = 2x - 3
i cannot graph these for you, but i assume you know how, there is no solution because the lines are parallel

4 0
2 years ago
How many solutions are there in this equation 8 (x-3)=8x-24
kari74 [83]
Performing the indicated multiplication on the left side gives you:

8x-24=8x-24,

8x=8x

1=1 

These expressions are true for any real value of x and thus has infinitely many solutions...
3 0
3 years ago
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Tony has 6 rectangle shaped pieces of wood. He places them down right next to each other. The dimensions of the wood shape are 2
sleet_krkn [62]

Answer: The whole area of all the wood is 36

Step-by-step explanation:

The formula for area of a rectangle is length times width. A=lw

You plug the numbers into the formula: A=2*3 = 6

The area for one piece of wood is 6 ft

If you take multiply one area of wood by the amount of wood - you get the whole area amount of all the wood. So 6*6 = 36.

5 0
3 years ago
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What is the slope of a line that is perpendicular to the line shown? (3,3) and (-3,-1)
4vir4ik [10]

Answer:

-3/2

Step-by-step explanation:

Using the slope formula, we can find the slope of the line shown

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   = -4/-6

  = 2/3

A line that is perpendicular is the negative reciprocal

-1/ (2/3) = -3/2

8 0
2 years ago
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