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JulijaS [17]
3 years ago
12

Find f(x) = 4*, when x = 1/2

Mathematics
1 answer:
faust18 [17]3 years ago
5 0

Answer:

f=8

Step-by-step explanation:

fx0.5=4

f=4x2

f=8

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What is the slope and y intercept of -2x +3y=-9
attashe74 [19]

Answer:

m = 2/3

b = -3

Step-by-step explanation:

Rearrange the equation to slope-intercept form (y = mx + b).

x and y are points on the graph.

m is the slope.

b is the y-intercept.

Isolate "y". This means separating it from the other numbers.

-2x +3y = -9

-2x + 2x +3y = -9 + 2x    Add 2x to both sides

3y = 2x - 9

3y/3 = 2x/3 - 9/3      Divide both sides by 3

y = 2x/3 - 9/3      Simplify

y = (2/3)x - 3

Think about which numbers and "m" and "b" now that the equation is in y = mx + b. Include the plus and minus signs.

m = 2/3

b = -3

8 0
3 years ago
Paula a college student earned $3,600 one summer during the following semester she spent $2500 for tuition $650 for rent and $43
Fed [463]
The fraction you are looking for is expenses/earnings 

So (2500+650+434)/3600
=224/225 

If you want to turn this into a percentage just multiply by 100, to give you 99.56%.
3 0
3 years ago
AB=A, B, equals Round your answer to the nearest hundredth.
suter [353]

Step-by-step explanation:

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7 0
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Multiply. x^2 + 8x + 15/x-4 x x^2-16/2x+6
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Amanda [17]

Answer:

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Step-by-step explanation:

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