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Yakvenalex [24]
3 years ago
12

Is C=pi d partial variation or direct or neither

Mathematics
1 answer:
Marizza181 [45]3 years ago
3 0

This is a direct variation

C = pi*d

pi is a constant and it does thru (0,0)

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What ratio is an equal ratio of 1:4?
Mariulka [41]

Answer:

2:8

Step-by-step explanation:

The ratio is already in lowest terms so we found an equivalent ratio by multiplying both terms by 2.

6 0
3 years ago
65% of what number is 39?
aleksklad [387]
You have to turn 65 into a decimal. That would be .65
They do 39/.65
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6 0
3 years ago
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A) x = -2<br> B) y =2<br> C) y= -2
LenKa [72]

Answer:

Step-by-step explanation:

This is a positive parabola so it opens upwards. The equation for the directrix of this parabola is y = k - p. k is the second number in the vertex of the parabola which is (0, 0), but we need to solve for p.

The form that the parabola is currently in is

y=a(x-h)^2+k so that means that a=\frac{1}{8}. We can use that to solve for p in the formula

p=\frac{1}{4a} so

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y = -2, choice A.

6 0
3 years ago
I keep getting different answers. Can somone explain how I would set it all up?
Nikitich [7]

Answer:

MY=80

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MX=MY ( since M is the midpoint)

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10+5=3x-2x

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6 0
3 years ago
Which construction will determine a midpoint?
likoan [24]

perpendicular bisector

5 0
3 years ago
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