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Marina CMI [18]
3 years ago
8

16 There are 90 girls and 60 boys in the sixth grade at a middle school. Of these students, 9 girls

Mathematics
1 answer:
muminat3 years ago
7 0

Answer:

B

Step-by-step explanation:

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Which inference is true?
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The answer is c

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Y= 1/3x-9
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Answer:

y=3x+28

Step-by-step explanation:

so a line perpendicular to one with a slope of 1/3 would have a slope of 3/1 which is just 3

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3 years ago
If the value of y varies directly with x when y=50, x=4. What is the value of y when x=2
den301095 [7]

Answer:

Step-by-step explanation:

The general equation for a direct variation is y = k*x

So your first step (usually) is to find k

y = k x

when x = 4

then y = 50

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  • 50 = k * 4              Divide by 4
  • 50 / 4 = k*4/4
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Now you can find the value of y when x = 2

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3 years ago
Is there enough information to prove that the triangles are congruent?
olasank [31]

Answer:

Yes, there is enough information to prove that the triangles are congruent.

SAS POSTULATE

Step-by-step explanation:

In\:\triangle ABC \: and \triangle XYZ\\

AB\cong XY..... (given) \\

\angle ABC \cong\angle XYZ\\(each \: 90\degree) \\

BC\cong YZ..... (given) \\

\therefore \triangle ABC \cong \triangle XYZ\\(SAS\: postulate)

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I NEED HELP ASAP PLEASE!
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point X

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