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Delicious77 [7]
2 years ago
8

-4y + 7z + 2y - 10z please help!!!

Mathematics
2 answers:
blondinia [14]2 years ago
8 0

Answer:

-2y - 3z :)))))))))))))

Katen [24]2 years ago
4 0

Answer:

-2y - 3z

Step-by-step explanation:

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Math help please show work
Allisa [31]

Answer:

Step-by-step explanation:

To overestimate the area would mean that you completely enclose the circle in squares; an 8 x 8 square to b exact. The area of a square with sides measuring 8 is 64. The overestimation is 64.

To underestimate the area would mean that you only count the squares that are completely inside the circle. That would be a 6 x 6 square (even though the 6th squares are a tiny bit outside the circle). A square with sides of 6 has an area of 36. The underestimation is 36.

7 0
3 years ago
A student was asked to find the slope of the line through the points (4,8) and (-3,5). His answer, <img src="https://tex.z-dn.ne
evablogger [386]

Answer:

m=\frac{-3}{-7}

Step-by-step explanation:

Given the following question:

Point A = (4, 8) = (x1, y1)
Point B = (-3, 5) = (x2, y2)

In order to find the slope any two points given we use the formula to find slope or rise/run.

m=\frac{y2-y1}{x2-x1}
m=\frac{5-8}{-3-4} =\frac{-3}{-7}
m=\frac{-3}{-7}

The reason why the students answer is incorrect because he substituted incorrectly. More specifically the run part of the formula for slope. The formula for slope goes x2 - x1 which means it should be -3 - 4, not -4 - 3, which will give you the answer -7.

Hope this helps.

4 0
3 years ago
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