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Alex
3 years ago
12

The dealer's cost of a Sierra is 89% of a base price. Which is $43,890, and 10 points

Mathematics
1 answer:
NemiM [27]3 years ago
7 0
It’s 450 i’m pretty sure
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An electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricit
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Answer:

atleast 385

Step-by-step explanation:

Given that an electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricity, they would like know the mean daily power usage for homes there.

Population std deviation = \sigma = 50

Sample size =n

STd error of sample mean = \frac{50}{\sqrt{n} }

Margin of error for 95% would be Critical value ( std error)

Here since population std dev is known we can use Z critical value= 1.96

1.96*\frac{50}{\sqrt{n} }19.6^2\\n>384.16

Sample size should be atleast 385

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3 years ago
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I am sure this is a personal question, what do you think you would see if you would be able to travel within the multiverse, no one can answer that for you its your opinion :)
5 0
3 years ago
The transformation of the function f(x) = 2x when it becomes f(x) = 2x-4 is a horizontal shift of 4 units to the left.
Natasha_Volkova [10]
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3 years ago
In the following proportion, what does y equal?
netineya [11]

Y/4 = 39/30

Cross multiply:

30y = (4 x 39)

30y = 156

Divide both sides by 30:

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Y = 5.2

The answer is C. 5.2

5 0
3 years ago
Read 2 more answers
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