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1 year ago

11

Please help me thanks

1 answer:

dem82 [27]1 year ago

6 0

Answer:

y= 1/4x - 3

Step-by-step explanation:

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What value of x results in f(x) = 1 given the<br> function f(x) = 9 - 4x?

BlackZzzverrR [31]

Answer:

2 =x

Step-by-step explanation:

f(x) = 9 - 4x

Let f(x) = 1

1 = 9 -4x

Subtract 9 from each side

1-9 = 9-4x-9

-8 = -4x

Divide by -4

-8/-4 = -4x/-4

2 =x

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2 years ago

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How many solutions does this equation have?<br> (15x + 21) / 3<br> = 5x + 7

Lesechka [4]

Answer:

3*(5*x-7)-(15*x-21)=0

Step-by-step explanation:

3 • (5x - 7) - (15x - 21) = 0

Step 2 :

Equation at the end of step 2 :

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Step 3 :

Equations which are always true :

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2 years ago

Graph the image of this figure after a dilation with a scale factor of 2 centered at the origin.

KonstantinChe [14]

The coordinates for this would be : (2, -2)
(6, -2) (6, 4) and (2, 4)

I hope that this helps you !

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2 years ago

What are the solutions to the quadratic equation x^2-16=0

Paha777 [63]

Answer:

x = ±4

Step-by-step explanation:

Hi there!

$x^2-16=0$

Move 16 to the other side

$x^2=16$

Take the square root of both sides

$\sqrt{x^2}=\sqrt{16}\\x=\pm4$

I hope this helps!

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2 years ago

"The difference between four-fifths of<br> a number and 11 is -46."

dmitriy555 [2]

Answer:

The number is -43.75.

Step-by-step explanation:

4x/5 - 11 = -46

4x/5 = -35

x = -43.75

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2 years ago

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