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motikmotik
3 years ago
11

X-3y=16 4x-y=19 Substitution / Will mark brainliest ASAP

Mathematics
1 answer:
torisob [31]3 years ago
7 0

Answer:

y = 4(1) - 1 = 3

Step-by-step explanation:

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What are the y-intercept of the function f(x)=-2x^2-3x+20?
Serhud [2]

Answer:

\sf A) \ (-4, \ 0) \ and \ \  [\dfrac{5}{2} , \ 0]

Explanation:

Given function: f(x) = -2x² - 3x + 20

To find the x-intercepts of a function, f(x) = 0

=================

-2x² - 3x + 20 = f(x)

-2x² - 3x + 20 = 0

-2x² - 8x + 5x + 20 = 0

-2x(x + 4) + 5(x + 4) = 0

(-2x + 5) (x + 4) = 0

-2x + 5 = 0, x + 4 = 0

-2x = -5, x = -4

x = -5/-2,x = -4

x = 5/2, x= -4

Coordinates: (-4, 0), (5/2, 0)

4 0
2 years ago
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Mashutka [201]

Answer:

y = -19x + 14

Step-by-step explanation:

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1 year ago
Is order of operations and number of operations the same thing?
KonstantinChe [14]
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Step-by-step explanation:

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3 years ago
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