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Keith_Richards [23]
2 years ago
6

Simplify.

Mathematics
1 answer:
Igoryamba2 years ago
7 0

Answer:

8^{18}

Step-by-step explanation:

Using the rule of exponents

a^{m} ÷ a^{n} = a^{(m-n)} , then

8^{15} ÷ 8^{-3}

= 8^{(15-(-3))}

= 8^{(15+3)}

= 8^{18}

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Answer 3 3/14

(7/8) times (45/14)= 45/16. Got 45/16 from 2 13/16
8 0
4 years ago
A sample of 2,000 people yielded P(hat) = .52. What is the variance of the population proportion?
lys-0071 [83]

Answer:

d. .00012 or 0.00012

Step-by-step explanation:

The variance of the population proportion formula is given as:

p(1 - p)/n

Where n = sample size

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n = 2000 people

p = 0.52

Variance of the population proportion = 0.52(1 - 0.52)/ 2000

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3 0
3 years ago
Nicanoa keeps the tickets from Ouzt for events he attends the Rachel baseball tickets to basketball taking his collection is 3:5
Arada [10]

Using proportions, it is found that he has 14 more basketball tickets than baseball tickets.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

His proportion of baseball to basketball tickets is of 3:5. He has 21 baseball tickets, hence the amount of basketball tickets is found according to the following<em> rule of three</em>:

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Applying cross multiplication:

3x = 105

x = 105/3

x = 35.

The difference is given by:

35 - 21 = 14.

He has 14 more basketball tickets than baseball tickets.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

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Step-by-step explanation:

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3 years ago
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8/11 is the fraction

To derive this simply put

72.727272/100 and it reduces to 8/11

8 0
3 years ago
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