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Step2247 [10]
3 years ago
7

HELP i have no clue how to do this hahah

Mathematics
1 answer:
nydimaria [60]3 years ago
7 0
<h2>C is the correct answer!</h2><h3></h3><h3>2/5</h3><h3>9/?</h3><h3></h3><h3>2 x ? = 9</h3><h3>9 ÷ 2 = 4.5</h3><h3>2 x 4.5 = 9</h3><h3></h3><h3>5 x 4.5 = <u>22.5</u></h3>
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6x-12+2x=3+8x-15 please
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Write down the smallest 4-digit even number that can be made using each card only once. Using cards:6,9,3,1
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1369. If this is what you are trying to find, hope this helps.
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A family paid $142.80 which included $6.80 in taxes for 4 play tickets each ticket costs the same amount how much did each perso
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8 0
3 years ago
A number is the 1/5 of another number. The sum of both is equal to 78. Which is the highest number out of both numbers?
Reika [66]
D.

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65 × 1 / 5
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4 0
3 years ago
Please help asap!!!
sp2606 [1]

Answer:

y=\frac{1}{6} (x+5)^2-4.5

y=\frac{-1}{20} (x-10)^2+1

Step-by-step explanation:

focus at (-5, -3), and directrix y = -6

Directrix y=-6 so its  a vertical parabola

so equation is

(x-h)^2 = 4p(y-k)

(h,k) is the center

P is the distance between focus and vertex

distance between focus and directrix = 2p

distance between -3  and y=-6 is 3

2p = 3

p = 3/2 or p = 1.5

Focus is (h, k+p)

given focus is (-5, -3) so h= -5  and k+p = -3

k+p=-3, plug in 1.5 for p

k + 1.5 = -3

subtract 1.5 on both sides

k = -4.5

(x-h)^2 = 4p(y-k)

(x+5)^2= 4(1.5) (y+4.5)

(x+5)^2= 6(y+4.5)

divide by 6 on both sides

then subtract 4.5 on both sides

y=\frac{1}{6} (x+5)^2-4.5

focus at (10, -4), and directrix y = 6.

Directrix y=6 so its  a vertical parabola

so equation is

(x-h)^2 = 4p(y-k)

distance between focus and directrix = 2p

distance between -4  and y=6 is -4-6=-10

2p = -10

p = -5

Focus is (h, k+p)

given focus is (10, -4) so h= 10  and k+p = -4

k+p=-4, plug in 5 for p

k - 5 = -4

add 5 on both sides

k = 1

(x-h)^2 = 4p(y-k)

(x-10)^2= 4(-5) (y-1)

(x-10)^2= -20(y-1)

divide by -20 on both sides and add 1 on both sides

y=\frac{-1}{20} (x-10)^2+1


8 0
3 years ago
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