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77julia77 [94]
3 years ago
10

determine the quadratic function f whose graph is given. the vertex is (2,-7) and the y-intercept is -3

Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0

learning math is boring

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Determine the value of z in the figure answers: z = 50° z = 45° z = 10° z = 30°
ycow [4]

Answer:

z = 10°

Step-by-step explanation:

Since the two sides are equal, the two base angles have to be equal

That means that 5z and 130 form a straight line and add to 180 degrees

5z+130 = 180

Subtract 130 from each side

5z = 50

Divide by 5

5z/5 = 50/5

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3 years ago
What is the y-intercept -x+5y=45
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To find the y-intercept, we can convert this to slope-intercept form, or replace the value of x with 0 and solve for y.

We'll do both first.

-x + 5y = 45

5y = 45

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y = 9


Now let's convert it to slope-intercept.

-x + 5y = 45

Add x to both sides.

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Divide both sides by 5.

y = 1/5x + 9

y = 9

<h3><u>The y-intercept of our line is 9.</u></h3>
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3 years ago
How to find the sum of fractions
natulia [17]
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5 0
3 years ago
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Solve for f.<br> 5 = f + 1<br> f=
4vir4ik [10]

Answer:

f=4

Step-by-step explanation:

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2) and what you do to one side you ALWAYS do to the other side!!! so subtract 1 from the 5 also

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8 0
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Answer:

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Step-by-step explanation:

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substitute the values and you get

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3 years ago
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