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Luba_88 [7]
3 years ago
8

What is the circumference of a circle with a radius of 56 inches

Mathematics
1 answer:
DIA [1.3K]3 years ago
3 0

Answer:

351.8584

Step-by-step explanation:

circumfrence is pi times diameter, diameter is twice the amound of radius.

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Hey I need help with the bottom part?
weqwewe [10]
All of the answers?
3 0
3 years ago
What is the simplified form of 2(3x+5)-30+7x_4
Kipish [7]

Answer:

The answer is 6x+7x_4-20

Step-by-step explanation:

6 0
3 years ago
A researcher is interested in determining the mean energy consumption of a new
Nana76 [90]

Answer:

The most appropriate  value of the critical value is 2.289.

Step-by-step explanation:

We are given that a researcher takes a random sample of 41 bulbs and determines  that the mean consumption is 1.3 watts per hour with a standard deviation of 0.7.

We have to find that when constructing a 97% confidence interval, which would be the most appropriate  value of the critical value.

Firstly, as we know that the test statistics that would be used here is t-test statistics because we don't know about the population standard deviation.

So, for finding the critical value we will look for t table at (41 - 1 = 40) degrees of freedom at the level of significance will be \frac{1 - 0.97}{2} = 0.015 .

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So, the critical value at a 1.5% significance level is 2.289.

7 0
3 years ago
Miss lawrence buys 8 ounces of smoked salmon at 17.98 per pound how much money does mis lawrence spend on smoked salmon
elena-14-01-66 [18.8K]
Do cross multiplication.
Convert ounce to pound.
8 ounce is 0.5 lbs
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6 0
3 years ago
If abx - 5 = 0, what is x in terms of a and b?
Harlamova29_29 [7]
Here we want to have x on one side of equation so,
we put number 5 on right side of equation:
abx=5
then we divide both sides by ab to obtain x on left side:
Result:
x=<u />\frac{5}{ab}
6 0
3 years ago
Read 2 more answers
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