2 years ago

Find the other endpoint of a segment on a coordinate plane when one endpoint is (5, 7) and the midpoint is (-2, -1).

Mathematics

1 answer:

timofeeve [1]2 years ago

4 0

Answer:

ok ok ok

Step-by-step explanation:

I don't know this

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damaskus [11]

Answer:

6 and -14

Step-by-step explanation:

Area of the triangle = 1/2 ab

42 = 1/2 (x)(x+8)

42 *2 = x(x+8)

84 = x²+8x

x²+8x-84 = 0

x²+14x-6x-84 = 0

x(x+14)-6(x+14) = 0

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What is the perimeter and area of a rectangle with sides equal to 5 inches and 7 inches? Perimeter = _________________ inches ar

kolezko [41]

Area: 35 inches

Perimeter: 24

Here's how I got my answer:

Area: The formula for the area of a rectangle is $length * width$ . So if we plug that in, it would be $5 * 7$ , which is 35.

Perimeter: You can get the perimeter by adding all the sides together, which is $5 + 5 + 7 +7$ , which is 24.

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