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3 years ago

Raise 7 to the 5th power, subtract the result from 9, then multiply what you have by c

Mathematics

1 answer:

goblinko [34]3 years ago

7 0

Step 1.) 7^5 = 16,807
Step 2.) 9 - 16,807 = -16,798
Step 3.) -16,798 * c = -16,798c

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In 56 years Kevin will be 9 times as old as he is right now. How old is he right now?

Artyom0805 [142]

Kevin is 6-7 years old as 6.2222222222 x 9 is 56

4 0

3 years ago

The distribution of prices for home sales in a certain New Jersey county is skewed to the right with a mean of $290,000 and a st

I am Lyosha [343]

Answer:

The probability that the mean of the sample is greater than $325,000

$P( X > 3,25,000) = P( Z >2.413) = 0.008$

Step-by-step explanation:

Step(i):-

Given the mean of the Population( )= $290,000

Standard deviation of the Population = $145,000

Given the size of the sample 'n' = 100

Given 'X⁻' be a random variable in Normal distribution

Let X⁻ = 325,000

$Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } } = \frac{325000-290000}{\frac{145000}{\sqrt{100} } } = 2.413$

Step(ii):-

The probability that the mean of the sample is greater than $325,000

$P( X > 3,25,000) = P( Z >2.413)$

= 0.5 - A(2.413)

= 0.5 - 0.4920

= 0.008

Final answer:-

The probability that the mean of the sample is greater than $325,000

$P( X > 3,25,000) = P( Z >2.413) = 0.008$

6 0

2 years ago

12) Oliver is not allowed to watch more than 4 hours of television a week. He watched his favorite show on Monday which was 1 ho

Semenov [28]

Answer:

B. Oliver can watch TV for 1.5 hours more this week.

Step-by-step explanation:

Oliver is not allowed to watch more than 4 hours of television a week. He watched his favorite show on Monday which was 1 hour long and his favorite Tuesday show which was 1.5 hours long.

So he has already finished 2.5 hours of watching . He can watch only for 4 hours for the total week.

Let x be the number of more hours for which he can watch television.

Then ,

x + 1 + 1.5 = 4

x + 2.5 = 4

x = 4 - 2.5

x = 1.5 hours.

So Oliver can watch television for at most 1.5 hours for the rest of the week.

Then the correct option is B.

3 0

3 years ago

What is the length of a rectangle whose perimeter is 38 cm and its weight is 9 cm

Tanzania [10]

Answer:

The length of the rectangle is 29 cm.

Step-by-step explanation:

38 - 9 = 29

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3 years ago

Jada purchases a sweater for $36. The store charges her 8% sales tax on the purchase. How much sales tax will the store charge o

dusya [7]

Answer:

Step-by-step explanation:

36/100=0.36 - 1%

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2 years ago