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photoshop1234 [79]
3 years ago
8

What is the function f(x) = 2(x + 6), find x if f(x) = 22

Mathematics
1 answer:
lord [1]3 years ago
3 0

Answer:

<h3>x = 5</h3>

Step-by-step explanation:

f(x) = 2(x + 6)

f(x) = 22

thereofre we have the equation:

2(x + 6) = 22      <em>use distributive property</em>

2x + 12 = 22     <em>subtract 12 from both sides</em>

2x = 10     <em>divide both sides by 2</em>

x = 5

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Area of a circle with a diameter of 4cm
makkiz [27]

Answer:

A≈12.57cm²

Step-by-step explanation:

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I will mark them as brainliest who solve it
konstantin123 [22]

Answer:

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Step-by-step explanation:

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3 years ago
Find the slope and the y-intercept of the graph of y+1=4/3x.
riadik2000 [5.3K]

Answer:

Slope = 4/3x; y-intercept = -1

Step-by-step explanation:

y + 1 = 4/3x

You have to write this equation in slope-intercept form (solve for y) if you want to find the slope and y-intercept

y + 1 = 4/3x

Subtract one from both sides

y + 1 - 1 = 4/3x - 1

y = 4/3x - 1

Now that we have the equation, you can now find the slope and y-intercept

y = mx + b; m is the slope and b is the y-intercept

So for y = 4/3x - 1, the slope is 4/3x and the y-intercept is -1

5 0
3 years ago
Solve the equation:<br> 3x - x + 4 = 4(2x +1)
pantera1 [17]

Answer:

x = 0

Step-by-step explanation:

Step 1: Write equation

3x - x + 4 = 4(2x + 1)

Step 2: Solve for <em>x</em>

  1. Distribute: 3x - x + 4 = 8x + 4
  2. Combine like terms: 2x + 4 = 8x + 4
  3. Subtract 2x on both sides: 4 = 6x + 4
  4. Subtract 4 on both sides: 0 = 6x
  5. Divide both sides by 6: x = 0

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

3(0) - 0 + 4 = 4(2(0) + 1)

4 = 4(1)

4 = 4

8 0
3 years ago
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