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3 years ago

Helpppppppp plssssssss!

Mathematics

1 answer:

tester [92]3 years ago

5 0

Answer:Taco Bell

Step-by-step explanation:

It’s always right g

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Pennsylvania has a land area of 44,816 square miles. What is the land area of Pennsylvania rounded to the nearest hundered?

Semenov [28]

44,800 because in 44,816 the 1 is in the hundreds place and since it's smaller than one its going to be a 0

3 0

3 years ago

30 points for whoever helps George Washington...please

faust18 [17]

Answer:

Step-by-step explanation:

A is equal to 5d-5

I just went through all eh choices

It can’t be b or c becuase when distributed, it automatically is -5d+25 or vice versa with a different sign so their out

D is impossible becuase you can’t jsut flip a subtraction problem

And A is possible because adding a negative basically means subtracting so if flipped The signs have to change

8 0

3 years ago

Surface area of a cylinder

Paul [167]

703.4 cmsquare
Hope it helps

4 0

3 years ago

The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F

OlgaM077 [116]

Answer:

The Sample size is 1918.89035

Step-by-step explanation:

Consider the provided information.

It is given that 14 out of 105 samples failed.

Therefore p = 14/105 = 0.13 3... and q=1-0.133=0.867

Samples would be needed to create a 99 percent confidence interval.

Subtract the confidence level from 1, then divide by two.

$\frac{(1 -0.99)}{2}=0.005$

By standard normal table z=2.5758≈2.58

Calculate the sample size as:

$n=\frac{z^2pq}{e^2}$

Where, e is the margin of error,

Substitute the respective values.

$n=\frac{(2.58)^2(0.133)(0.867)}{(0.02)^2}=1918.89$

Hence, the Sample size is 1918.89035

4 0

3 years ago

Preston has a car washing business. Last year he washed 20 cars a week. This year, he washed 1,200 cars. How many more cars did

kakasveta [241]

Answer:

He washed 160 more cars this year than last year.

Step-by-step explanation:

Last year: He washed a total of 1,040 cars.

This year: He washed a total of 1,200 cars.

1,200

160

7 0

3 years ago