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3 years ago

-9,-3 8,-1 find the slope

Mathematics

1 answer:

Varvara68 [4.7K]3 years ago

4 0

Answer:

2/17

Step-by-step explanation:

We can use the slope formula when given two points

m = (y2 - y1)/ ( x2-x1)

= ( -1- -3)/( 8 - -9)

= ( -1+3)/( 8+9)

2/17

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Use mental math to solve the equation w - (-3) = 7 please help

tester [92]

w-(-3)=7

Pretend that there is a -1 in front of the bracket

w-1(-3)=7

Mutiply the bracket by -1

(-1)(-3)=3

w+3=7

Move +3 to the other side. Sign changes from +3 to -3.

w+3-3=7-3

w=4

Answer: w=4

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2 years ago

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3 years ago

What is the area of this triangle in the coordinate plane?

SpyIntel [72]

Answer:2. Given the points A, B, C, D, calculate:

(a) the angle B of the triangle ABC

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(d) the height AH of the triangle ABC

(e) the volume of tetrahedron ABCD

(f) the point E so that ABCE is a parallelogram.

A(-1, 2, -3), B(4, -1, 0), C(2, 1, -2), D( 3,4,5)

Step-by-step explanation:

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4 years ago

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