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liraira [26]
3 years ago
12

Given f(x) = 4x + 3 and f(x) = 27, what is x?

Mathematics
1 answer:
Airida [17]3 years ago
5 0

Step-by-step explanation:

f(x)=4x+3. f(x)=27

so 27=4x+3

27-3 =4x

24=4x

x=24/4

x=6

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WILL MARK BRAINLIEST!!! :)
Vilka [71]

Answer:

A) y = 1/3x + 4

B) y = 1/2x - 9

Step-by-step explanation:

A) In order to find this, we must first solve the initial equation for y to get the slope.

-x + 3y = 6

3y = x + 6

y = 1/3x + 2

Now we know the slope to be 1/3 since parallel lines have the same slope. So we take this slope and the point and use point-slope form to find the equation.

y - y1 = m(x - x1)

y - 5 = 1/3(x - 3)

y - 5 = 1/3x - 1

y = 1/3x + 4

B) To find this line, we again have to find the slope of the initial equation by solving for y.

2x + y = -4

y = -2x - 4

Now we know our new slope to be 1/2. This is because perpendicular lines have opposite and reciprocal slopes. We can use this and the point to solve in the same way.

y - y1 = m(x - x1)

y - - 8 = 1/2(x - 2)

y + 8 = 1/2x - 1

y = 1/2x - 9

3 0
3 years ago
How do I solve this question, In an arithmetic sequence, u1 = 2 and u3 =8, a) find d
DanielleElmas [232]
D would be 14 for the answer
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answer 
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5 0
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Will give the big brain award for answers
lukranit [14]

Answer:I don’t understand the question

Step-by-step explanation:

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