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borishaifa [10]
3 years ago
13

Yes or no, are these functions

Mathematics
1 answer:
Hoochie [10]3 years ago
8 0
Yes it is a function
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Any point on the parabola can be labeled (x,y), as shown. What are the distances from the point (x,y) to the focus of the parabo
lapo4ka [179]

Answer:

Step-by-step explanation:

Standard form of the equation:

y  = -\frac{1}{4} (x+3)^2+3

Directrix: y=4

Focus: (-3,2)

Points on the parabola (x,y):

(-5,2) (-3,3) (-1,2)

Distance from points to focus:

(-5,2) = (-3,2)

Answer choices:  (x+3)^2+(y−3)^2, (x−2)2+(y+3)2, (x+3)2+(y−2)2

(-5+3)^2+(2-3)^2=5

(-5-2)^2+(2+3)^2=74

(-5+3)^2+(2-2)^2=4

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4 0
3 years ago
What is m 2DEC?<br> In square ABCD, we know:<br> AB = 6 and BE = 4.2
Alex787 [66]

Answer:

As mentioned ABCD is a square

So <DEC is always 90 degree

3 0
3 years ago
Ignore the answer I put please help and I’ll give brainliest
Leokris [45]

Answer:

B.

Step-by-step explanation:

3/12 reduces to 1/4.

1/2 alone is greater than 1/4, so when 2/10 is added to 1/2, it is certainly greater than 3/12.

Answer: B.

5 0
3 years ago
Solve the equation. x2 = 160
zhannawk [14.2K]
80 because 160 divided by 2 is 80 so 2 x 80
7 0
3 years ago
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I believe the answer would be 6 minutes
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3 years ago
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