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pav-90 [236]
3 years ago
14

Evaluate the expression for the given values.

Mathematics
1 answer:
blagie [28]3 years ago
3 0

we have given an expression mx-y.

we have given the value of x,y and m .

m=5,x=3,y=8.

we need to find the value of expression mx-y.

we need to plug the respective values and solve.

mx-y=(5)*(3)-(8)=15-8=7..

7 is the value of expression mx-y.

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A plant manufactures part whose lengths are normally distributed with a mean of 16.3 centimeters and a standard deviation of 2.5
EastWind [94]

The probability that the plant manufactures a part between 10.8 and 12.8 centimeters 13%

<h3>How to find the probability that the part is between 10.8 and 12.8 centimeters</h3>

The probability is solved z scores, this measures the amount of standard deviation sample X is from mean. the formula is below

z = (X - μ) / σ

<u>Definition of variables</u>

mean, μ = 16.3 centimeters

standard deviation, σ = 2.5 centimeters

X = 10.8 and 12.8 centimeters

z score, z

substituting into the formula

for X = 12.8 centimeters

=  (X - μ) / σ

= (12.8 - 16.3) / 2.5

= -1.4

the p value for z of -1.4 = 0.161513

for X = 10.8 centimeters

=  (X - μ) / σ

= (10.8 - 16.3) / 2.5

= -2.2

the p value for z of -2.2 = 0.027807

the probability is calculated as below

0.161513 - 0.027807= 0.133706

= 0.13

=13%

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8 0
1 year ago
Solve for p. <br> −160=22+8(3p−4)
Aneli [31]
-160=22+8(3p-4)
Use distributive property
-160=22+24p-32
-160=24p-10
Add 10 for both side
-160+10=24p-10+10
-150=24p
Divided 24 for both side
-150/24=24p/24
p=-6.25
Check:
-160=22+8(3p+4)
-160=22+8[3(-6.25)-4]
-160=22+8(-18.75-4)
-160=22+8(-22.75)
-160=22-182
-160=-160. As a result, x=-6.25. Hope it help!
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3 years ago
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Answer:

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1 2/7,

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this is the correct answer

7 0
3 years ago
a wall on the side of a building is made up of 52 rows of bricks with 44 bricks in each row. how many bricks make up the wall
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There are a total of 2,288 bricks that make up the wall.
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