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Mamont248 [21]
2 years ago
5

In the figure, ABCD = EFGH. Identify all pairs of congruent corresponding

Mathematics
1 answer:
saveliy_v [14]2 years ago
8 0
Vvcdfjjhgftlohdsgkigdg
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8a - 4b = 20<br>5a - 8b = 62<br><br>What are the values of a and b?​
erastovalidia [21]

Answer:

a=2 , b= (-1)

Step-by-step explanation:

8a-4b=20/×(-2)

5a-8b=62

-16a+8b= -40

5a-8b=62

now -8+8=0 right? so the only parameter that we have is a.

-16a+5a= -40+62

11a = 22/(÷11)

a=2

in order to find b, we will replace a with its value in one of the original equations (it doesn't matter which one you will choose).For instance, I chose the first one.

8×2-4b=20

-4b=20-16

-4b=4/÷(-4)

b= -1

7 0
3 years ago
9. Change the given equation to the form y = mx + b. Give the values of b and m.
rosijanka [135]
X+4y=16
subtract x
4y = -x+16
divide 4 from 4y and divide by 4 on other side too
(4y/4) = (-x/4) + (16/4)

y=-1/4x+4
M=-1/4
B=4
8 0
2 years ago
What is the area of a triangle with a base of 7 mm and a height of 10 mm
galina1969 [7]

Answer:

A≈3.5×10-5m²

Step-by-step explanation:

5 0
3 years ago
Please please help me answer this
mihalych1998 [28]

Answer:

Graph 1: 2/9, 2: 1/2 3: 1/5

Step-by-step explanation:

To find slope you do y2-y1/x2-x1 (rise over run). For graph 1, y2=2, y1=0. x2=9,x1=0. 2-0=2, 9-0=0, so the overall slope is 2/9

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2 years ago
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