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ArbitrLikvidat [17]
3 years ago
12

Explain your answer !! Have a nice day Will give braisnlt

Mathematics
1 answer:
Fudgin [204]3 years ago
4 0
I NEED POINT ILYSM AND I HOPE U HAVE A WONDERFUL DAY AND U ARE LOVED AND ILYSM MWA
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If f(x)=1/x+2 what is f(3+h)
Leviafan [203]
Let x = 3+h
\frac{1}{(3 + h) + 2}  \\  =  \frac{1}{h + 3 + 2}  \\  =  \frac{1}{h + 5}
The answer is A.
6 0
3 years ago
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The weekly amount of money spent on maintenance and repairs by a company was observed, over a long period of time, to be approxi
VikaD [51]

Answer:

$512.90 should be budgeted for weekly repairs and maintenance so that the probability the budgeted amount will be exceeded in a given week is only 0.05

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Normally distributed with mean $480 and standard deviation $20.

This means that \mu = 480, \sigma = 20

How much should be budgeted for weekly repairs and maintenance so that the probability the budgeted amount will be exceeded in a given week is only 0.05?

This is the 100 - 5 = 95th percentile, which is X when Z has a pvalue of 0.95, so X when Z = 1.645.

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 480}{20}

X - 480 = 1.645*20

X = 512.9

$512.90 should be budgeted for weekly repairs and maintenance so that the probability the budgeted amount will be exceeded in a given week is only 0.05

5 0
3 years ago
All male teachers better dom me rn tell me to stop misbehaving or else
PIT_PIT [208]
1$7+p =www to the 5th so your correct
6 0
3 years ago
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Choose the equation below that represents the line passing through the point (2, -5) with a slope of -3.
mash [69]
The point-slope form: y-y_0=m(x-x_0)

m=-3;\ (2;-5)\to x_0=2;\ y_0=-5

subtitute

y-(-5)=-3(x-2)\\\\y+5=-3x+6\ \ \ \ \ |subtract\ 5\ from\ both\ sides\\\\\boxed{y=-3x+1}
4 0
3 years ago
Work out the area of a rectangle with base, b = 34mm and perimeter, P = 86mm.​
Nana76 [90]

Answer:

306mm²

Step-by-step explanation:

the height h = 86/2 -34 = 43-34=9mm

the area = 34×9= 306mm²

8 0
3 years ago
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