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Natali [406]
3 years ago
11

What is the y-intercept of f(x) = 3x+2?

Mathematics
1 answer:
Natalka [10]3 years ago
5 0

Answer:

The y-intercept of f(x) = 3x+2 is 2

Step-by-step explanation:

To find the y-intercept, substitute 0 for x and solve for y.

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90 is 1/10 of what number
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The answer is 900
900/90=10. Therefore 90/900=1/10
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Which formula should be used to calculate the amount of paper needed?
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Step-by-step explanation:

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3 0
3 years ago
3. A line goes through the points (3,4) and (-3,6).
Galina-37 [17]

Answer:

Part a) The slope is m=-\frac{1}{3}

Part b) The equation in point slope form is y-4=-\frac{1}{3}(x-3)

Part c) The equation in slope-intercept form is y=-\frac{1}{3}x+5

Step-by-step explanation:

we have the points (3,4) and (-3,6)

Part a) What is the slope of the line?

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the given points

m=\frac{6-4}{-3-3}

m=\frac{2}{-6}

m=-\frac{1}{3}

Part b) Write the equation of the line in point-slope form

y-y1=m(x-x1)

we have

m=-\frac{1}{3}

point\ (3,4)

substitute

y-4=-\frac{1}{3}(x-3)  ---> equation in point slope form

Part c) Write the equation of the line in slope-intercept form

y=mx+b

we have

y-4=-\frac{1}{3}(x-3)

Isolate the variable y

distribute right side

y-4=-\frac{1}{3}x+1

Adds 4 both sides

y=-\frac{1}{3}x+1+4

y=-\frac{1}{3}x+5 ---> equation in slope intercept form

7 0
3 years ago
How many different committees of 5 people can be formed out of 10?
aliina [53]
The answer is 2 because you have to divide 10 by 5 and the answer is 2<span />
6 0
3 years ago
After a reflection over the line x-axis, (8,11) is the image of point C. What is the original location of point C.
goblinko [34]
(-8, -11) because the points are just the opposite sign when reflecting over the x-axis
7 0
2 years ago
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