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3 years ago

15

The elevator in the empire state building goes up to the 103rd floor and descends to -5 for parking. What does 0 represent in th

e context of this situation?

1 answer:

Inessa05 [86]3 years ago

5 0

0 could possibly represent ground level in this situation.

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LekaFEV [45]

Answer:

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Step-by-step explanation:

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2 years ago

never [62]

Answer:

○ B. $525\:square\:units$

Step-by-step explanation:

All sides meet at right angles, so when split up, you have this:

$525 = 98 + 21 + 154 + 252 = 7 \times 14 + 3 \times 7 + 11 \times 14 + 9 \times 28$

I am joyous to assist you anytime.

8 0

3 years ago

Need help on 11,12,13,14,15

const2013 [10]

Not sure what 14 is asking?

15 would be 16.

The square root of width squared plus length squared equals the diagonal.

So if you just change the order of the equation you can find the length.

Double check it by doing it both ways to see if your answer is right.

7 0

2 years ago

A fashion designer wants to know how many new dresses women buy each year. Assume a previous study found the standard deviation

horsena [70]

Answer:

649

Step-by-step explanation:

Given that

Mean number of dresses is 5.5

Standard deviation of the sample, S.D is 1.3

Margin of error, M.E is 0.1

Level of confidence is 95% or 0.95

The formula for margin of error, M.E is

Z * (S.D/√n) , where

Z = Value for level of confidence which is 1.96

Proceeding further, we have

0.1 = 1.96 * (1.3/√n)

0.1 = 2.548 / √n, making √n subject of formula, we have

√n = 2.548 / 0.1

√n = 25.48, squaring both sides

n = 25.48²

n = 649.23

Therefore the number of sample size we're looking for is n = 649.23, when rounded to the nearest integer, we have it to be 649

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3 years ago

Stacy made a necklace using four times as many blue beads as red beads she used a total of 40 beads how many blue beads did Stac

jenyasd209 [6]

Stacy used 10 blue beane

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3 years ago