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KatRina [158]
3 years ago
9

A triangle has an area of 10 units 2 square

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0

Answer:

Step-by-step explanation:

olve the line equation for y

:

y = -ax/2 +5

:

therefore, the y-axis intercept is 5

:

area of triangle = (1/2) * base * height

:

(1/2) * base * 5 = 10

:

base = 4 which is the x-axis intercept

:

-a(4)/2 +5 = 0

:

-2a = -5

:

a = 5/2

:

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(3, - 1)

Step-by-step explanation:

5x - 4y = -11

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Multiply the top equation by 2 and the bottom equation by - 5 to cancel out the x's.

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