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Nostrana [21]
3 years ago
15

What ordered pair is -3x + 4y =14

Mathematics
1 answer:
Lina20 [59]3 years ago
5 0

Answer:

(0, 3.5)

Step-by-step explanation:

I just graphed it using desmos

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-2 and 1 multiply to -2 and sum up to -1.
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Verizon [17]

Answer:

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Step-by-step explanation:

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Solve each system using substitution:<br> 1. 4x - 5y= -15<br> y= -3x + 22
Bumek [7]
4x - 5y = -15
y = -3x + 22

Plug in your y= equation into the y variable in the other equation

  4x - 5 (y) = -15
            ^^
y = (-3x + 22) = -15

4x - 5 (-3x + 22) = -15

Distribute

4x + 15x - 110 = -15

Combine like terms and add 110 over to -15

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Then, divide the whole equation by 19

x = 5

Then, plug in your x into your y= equation

y = -3 (5) + 22
y = -15 + 22
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<em><u>x = 5</u></em>
<em><u>y = 7</u></em>
<em><u>(5, 7)</u></em>
3 0
3 years ago
How can you find f(3) if f(x) = -2x2 – 4?
Julli [10]

Answer: f(3)=-20

Step-by-step explanation:

If you look at f(x) and f(3), you can see that 3 is in place of x. That means when x=3, what is f(x). You plug in x=3 into f(x) and solve.

f(3)=-2(3)²-2

f(3)=-2(9)-2

f(3)=-18-2

f(3)=-20

8 0
3 years ago
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STALIN [3.7K]

Answer:

Option 4 ) Area = 24 cm²

Step-by-step explanation:

Area of Triangle = \frac{1}{2} Base * Height

<u><em>Where Base = 8 cm, Height = 6 cm</em></u>

Area = \frac{1}{2} (8*6)

Area = 48 / 2

Area = 24 cm²

3 0
3 years ago
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