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slega [8]
3 years ago
9

A 104 foot ladder is leaned against a wall. If the base of the ladder is 40 feet from the wall, how high up the wall will the la

dder reach?
Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0
64 feet im pretty sure? i did 104-40 i’m sorry if it’s wrong
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Trevor will be saving less.
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4 0
3 years ago
Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n=500, x=
DiKsa [7]

Answer:

0.3581<x<0.4429

Step-by-step explanation:

Using the formula for calculating the confidence interval of the population proportion p expressed as:

Confidence interval = p ± Z * √p(1-p)/n

p is the population proportion = x/n

p = 200/500

p = 0.4

Z is the z-score at 95% CI = 1.96

n is the sample size = 500

Substituting the given parameters into the formula we will have;

Confidence interval = 0.4 ± 1.96 * √p(1-p)/n

Confidence interval = 0.4 ± 1.96 * √0.4(0.6)/500

Confidence interval = 0.4 ± 1.96 * √0.24/500

Confidence interval = 0.4 ± 1.96 * √0.00048

Confidence interval = 0.4 ± 1.96 * 0.0219

Confidence interval = 0.4±0.04294

Confidence interval = (0.3571, 0.4429)

Hence the confidence interval of the population mean is 0.3581<x<0.4429

5 0
3 years ago
36 increased by twice x is
ICE Princess25 [194]
36 + x  would be your answer. When something is 'increased', you are adding to it. Such as saying 47 increased by -5x is the same as 47 + (-5x).
If this wasn't the answer you were looking for, let me know. For now, I hope this helped:)

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3 years ago
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Y = (-3/2)x + 1 is the equatjon
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3 years ago
Is 2/5 and 8/20 equivalent
dolphi86 [110]
Yes!
explanation:
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3 years ago
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