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4 years ago

35,824+46,713 FIND THE SUM (AWSER)

Mathematics

1 answer:

vfiekz [6]4 years ago

7 0

Answer:82537

Step-by-step explanation:

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What is the relationship between perpendicular lines? Include a description of the slopes in your explanation.

victus00 [196]

Answer:

the perpendicular lines are relationship between, through their slopes, if at the time of multiplying them their result is equal to -1

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3 years ago

Read 2 more answers

1. Find the values of x.

yawa3891 [41]

Answer:

x = 9√3

Step-by-step explanation:

x^2 = 18^2 - 9^2

x^2 = 324 - 81

x^2 = 243

x = 9√3

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3 years ago

James Desreumaux, VP of Human Resources of American First Banks (AFB), is reviewing the employee training programs of AFB banks.

BartSMP [9]

Answer: (24.02,25.98)

Step-by-step explanation:

Answer:

Step-by-step explanation:

Given : Sample size : n= 100

Sample mean : $\overline{x}=25\text{ hours}$

Standard deviation : $\sigma=5\text{ hours}$

Significance level : $\alpha: 1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The confidence interval for population mean is given by :-

$\overline{x}\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=25\pm(1.96)\dfrac{5}{\sqrt{100}}\\\\=25\pm0.98\\\\=(25-0.98,\ 25+0.98)=(24.02,25.98)$

Hence, the 95% confidence interval for the population mean of training times is (24.02, 25.98).

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4 years ago

The equation, y = 36/x, is an example of what kind of variation?

Black_prince [1.1K]

Answer: Inverse variation

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3 years ago

An anthropologist studies a woman's femur that was uncovered in Madagascar. To estimate the woman's height, he uses the equation

Lelu [443]

Answer:

The inequality $f>40$ represents the length of the femur for which the woman had a height greater than 160cm.

Step-by-step explanation:

The given equation is

$h=60+2.5f$

Where, h is woman's height in centimeters and f is length of the femur in centimeters.

If woman's height is greater than 160cm, then

$h>160$

$60+2.5f>160$

Substract 60 from both sides.

$2.5f>100$

Divide both sides by 2.5.

$f>40$

Therefore the inequality $f>40$ represents the lengths of the femur for which the woman had a height greater than 160cm.

5 0

4 years ago