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Naily [24]
2 years ago
5

Solve the system of equations using substitution. y=x+2,5x-4y=-3

Mathematics
1 answer:
NARA [144]2 years ago
8 0

Answer:

x=5 and y=7

Step-by-step explanation:

Just substitute in y=x+2 into the equation 5x-4y=-3 to get 5x-4(x+2)=-3 which simplifies to x=5. Substitute x into y=x+2 to find y=7

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8 0
3 years ago
Is ab perpendicular to cd ? Explain.
Afina-wow [57]
We know that
if two lines are perpendicular
then
the slopes 
m1*m2=-1

step 1
find the slope AB
A (0,2)
B (-3,-3)
m=(y2-y1)/(x2-x1)-----> m=(-3-2)/(-3-0)-----> m=-5/-3----> m1=5/3

step 2
find the slope CD
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step 3
multiply mi*m2
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so
15/12 is not -1
therefore
 AB is not perpendicular to CD
4 0
4 years ago
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sp2606 [1]

Answer:

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7 0
3 years ago
The figure is formed by a square, a parallelogram with a height of 11 inches and a right triangle. Mariam found that the area of
svetoff [14.1K]

Answer:

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Step-by-step explanation:

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