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Dafna11 [192]
3 years ago
7

Question 1 Determine the midpoint of the segment with endpoint (-9,3) and (7,-8). Question 2

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

m (-1, -2.5)

Step-by-step explanation:

x1=-9             x2=7             y1= 3            y2=-8

        -9+ 7        3+ -8

m= ------------ , -----------

            2             2

m= -2/2, -5/2

m (-1, -2.5)

mario62 [17]3 years ago
6 0

Answer:

(-1, -2.5)

Step-by-step explanation:

the midpoint of a segment is (\frac{x1+x2}{2} ,\frac{y1+y2}{2}), given points (x1, y1) and (x2, y2)

midpoint=(\frac{-9+7}{2}, \frac{3-8}{2} ) = (\frac{-2}{2}, \frac{-5}{2}  ) = (-1, -2.5)

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3 years ago
A line goes through the origin and the point (6, 14). The point (2, y) is also on the line. Calculate y and justify that your va
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Answer:

Step-by-step explanation:

The key here is knowing that the equation of the line that passes through these points is same

Thus having (6,14) and (0,0), the slope is as follows;

m = y2-y1/x2-x1 = 0-14/0-6 = -14/-6 = 7/3

Now we can use this slope here to get the value of y in the question

All we need to do is tie write the equation of the line for between the points (6,14) and (2,y)

That would be;

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cross multiply;

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3 years ago
Pat's income is 20 % more than Adam. How much percent is Adam's income less than Pat's?
pantera1 [17]

Answer: 20%

Step-by-step explanation: The same number applies here. Think about it this way, let's say you have a friend named Sofia and she has 3 dollars more than you, how many dollars do you have less than Sofia? 3 dollars. That's the easiest way I can explain it.

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What is the slope of the line that passes through the points (-4,-4) and (9,4)
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Let f be the height of the fir trees
Let p be the height of the pine trees

We know from the problem that
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so...
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substitute back into the 1st equation
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