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adelina 88 [10]

3 years ago

7

Unit Test Unit 8 Correlation and Regression

1 answer:

crimeas [40]3 years ago

3 0

Answer:

the answer is the second choice

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Suppose M is the midpoint of line FG.

alukav5142 [94]

$A)\\|FM|=5y+13;\ |MG|=5-3y\\\\|FG|=|FM|+|MG|\\\\|FG|=(5y+13)+(5-3y)=2y+18\\\\B)\\|FM|=8a+1;\ |FG|=42\\\\|FG|=2|FM|\\\\2(8a+1)=42\\16a+2=42\ \ \ \ \ |subtract\ 2\ from\ both\ sides\\16=40\ \ \ \ \ |divide\ both\ sides\ by\ 16\\a=\frac{40}{16}\\a=\frac{5}{2}\\a=2.5$

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3 years ago

F(x)=x^2+1, (4,17) find slope

labwork [276]

Answer:

ITS NOT A LINEAR EQUATION SO IT DOES NOT HAVE A SLOPE

Step-by-step explanation:

7 0

3 years ago

Oksana_A [137]

Step-by-step explanation:

I don't know please mark as brilliant please

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3 years ago

PLEASE HELP!!! A blueprint for a fence has a scale of 1:40. The fence in the blueprint is 6in. What is the length of the actual

EastWind [94]

1 : 40 = 6 : 240

On the ground the fence would be 240 inches long

240 / 12 = 20 feet long fnce

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3 years ago

Zeno is walking in a straight line. With each step, he covers half the remaining distance between him and the end of his path, w

shtirl [24]

8 foot path

1st step = 8/2 = 4ft
2nd step = 4/2 = 2ft
3rd step = 2/2 = 1ft
4th step = 1/2 = 1/2ft

So he covered 7 1/2 ft (or 7.5ft)

5 0

3 years ago