3 years ago

If an average grade of an English class rise from 70 to 85 what is the approximate percent increase

Mathematics

1 answer:

lakkis [162]3 years ago

7 0

Answer:

21.4%

Step-by-step explanation:

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Find the volume of the sphere.

nataly862011 [7]

Answer:

Volume of a sphere = 4πr³/3

r=10

V = 4πx10³/3

=4000π/3

V= 1333.33π (in terms of pi)

V= 4188.79(Nearest Hundredth).

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3 years ago

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A certain large manufacturing facility produces 20,000 parts each week. The manager of the facility estimates that about 1% of t

Slav-nsk [51]

Answer:

198 is the variance for the number of defective parts made each week.

Step-by-step explanation:

We are given the following in the question:

Number of parts produced each week = 20,000

Percentage of defective parts = 1%

We have to calculate the variance for the number of defective parts made each week.

We treat defective part as a success.

P(Defective part) = 1% = 0.01

$p = 0.01$

Then the number defective parts follows a binomial distribution .

Formula for variance =

$\sigma^2 = np(1-p) = 20000(0.01)(1-0.01) = 198$

Thus, 198 is the variance for the number of defective parts made each week.

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4 years ago

The formula for estimating the number, N, of a certain product sold is N = 8800ln(7t + 9), where t is the number of years after

arsen [322]

To determine or predict the expected number of sales after 2 years, we substitute 2 to the t of the givne equation.
N = (8800)xln(7(2) + 9)
N = 27,592.34
Thus, it is expected that the number of sales after 2 years is 27,592 units.

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3 years ago

27.5+3.094+4.86 plz show all steps

marshall27 [118]

27.5 + 3.094 = 30.594
30.594 + 4.86 = 35.454

your answer would be 35.454

hope this helped

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3 years ago

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Answer:

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3 years ago