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zmey [24]
3 years ago
15

What is the midpointof the segment with endpoint (-3,7) and (9,5)?

Mathematics
1 answer:
PolarNik [594]3 years ago
8 0
(-3,7)(9,5)

midpoint formula : (x1 + x2)/2 , (y1 + y1)/2

(-3 + 9)/2 , (7 + 5)/2 = (6/2, 12/2) = (3,6) <==
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Use the graph shown to fill in the blank.<br><br> When x = -3, then y = ?
Anni [7]

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3x6+3x1+4x3

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6 0
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A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtain
slega [8]

Answer: 8359

Step-by-step explanation:

The formula for sample size needed for interval estimate of population proportion :-

n=p(1-p)(\frac{z_{\alpha/2}}{E})^2

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5 0
3 years ago
What number am I?
Katyanochek1 [597]

Answer:

The numbers less that 40 which have sum of digits 8 are 17, 26, 35.

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So you are 35.

Second way:

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So you are 35.

Step-by-step explanation:

3 0
3 years ago
The graph of a proportional relationship contains the point (20, 4).
soldier1979 [14.2K]

Answer:

y=\frac{1}{5}x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

In this problem we have

point (20,4)

Substitute the values and solve for k

k=y/x

k=\frac{4}{20} =\frac{1}{5}

therefore

the equation of the line is equal to

y=\frac{1}{5}x


6 0
3 years ago
Read 2 more answers
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