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Nady [450]
3 years ago
14

PLEASE HHELLPPP WITH THIS MATH QUESTION!!! I WILL MARK BRAINLIEST!!!

Mathematics
2 answers:
NemiM [27]3 years ago
6 0

the equation of parabola is:

{(x - a)}^{2}  = 4(y - b)

where a = -5 & b = 0

so it turns out to be the third choice: C

slega [8]3 years ago
4 0

this is your answer.....

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Three vertices of parallelogram ABCD are A(2,-6),B(-1,2),C(5,3).find the coordinates of vertex D
salantis [7]

Check the first picture below.


for a parallelogram, it has to have two pairs of parallel sides, so BC || AD and AB || CD.

if two lines are parallel, they have the same slope, namely the <u>same rise and run</u>.

notice, the line BC has a run of 6 and a rise of 1, <u>arrows in red</u>, therefore, AD must also have a run of 6 and a rise of 1, so if we move from A 6 units over and 1 up, we'd end up at point D.


now, for part atop

Check the 2nd picture, in a parallelogram, opposite sides are parallel and opposite angles are equal, so if WLP is 144°, then PNW is also 144°.

in a parallelogram, diagonals bisect each other, so each cut the other in halves, so if PM is 9 then MW is also 9 and thus PW is just 9+9=18.


now, about QRST.

notice what we said about a parallelogram above, thus


\bf 8x+13=11x-23\implies 8x+36=11x\implies 36=3x \\\\\\ \cfrac{36}{3}=x\implies \boxed{12=x} \\\\[-0.35em] ~\dotfill\\\\ 2y+12=4y-4\implies 2y+16=4y\implies 16=2y \\\\\\ \cfrac{16}{2}=y\implies \boxed{8=y}


so then TQ ==> 2(8) + 12 ==> 16 + 12 ==> 28.

∡Q ==> 8(12) + 13 ==> 96 + 13 ==> 109°.

and since in a parallelogram, adjacent interior angles add up to 180°, then ∡Q + ∡T = 180°.

∡T ==> 180 - 109 ==> 71°.

3 0
3 years ago
Please help I will give you 20 points
zheka24 [161]
You good ?????????????
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Cheryl drove 4 hours at a constant rate to travel 160 miles. At what rate did she drive?
suter [353]
40 miles per hour

160/4=40
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Giving brainliest to correct answer!
lisov135 [29]

Answer:

The answer is 1.

Step-by-step explanation:

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35 - 35 +9:3)<br> +7<br> What is the answer do you know?
Nadya [2.5K]

Answer:

  • 35-35+9.7+7
  • 35+9.7+7-35
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5 0
3 years ago
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