3 years ago

PLEASE HELP, WILL MARK AS BRAINLIEST !! (QUESTION IN THE PICTURE)

Mathematics

1 answer:

Licemer1 [7]3 years ago

3 0

Answer:

The answer is B

Step-by-step explanation:

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Help, I need the bottom three answered and I'm sorta stuck on four too. Not sure if it's right

amm1812

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6. 32.366 meters per second
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3 years ago

Derive the equation of the parabola with a focus at (_5, 5) and a directrix of y = -1.

mars1129 [50]

Answer: Option D is correct.

Step-by-step explanation:

Since we have given that

focus = (-5,5)

and a directrix y= -1

Since, equation of parabola in this case will be

$(x-h)^2=4.a(y-k)$

Now, here

$y=k-a=-1\\\\\text { focus =(h,k+a)}\\\\\text{So,} k+a=5\\\\\text{ by solving these two equation , we get }\\\\a=3\text{ and } k=2$

So equation will be

$(x+5)^2=4\times 3(y-2)\\\\(x+5)^2=12(y-3)\\\\y=\frac{1}{12}(x+5)^2+2$

So, option D is correct .

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3 years ago

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Please help me ASAP!!! I think it's B but I don't know for sure

Katarina [22]

Answer: it's B

Step-by-step explanation:

you just have to use the AG and work backwards to find AD

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3 years ago

What is the total surface area of the right regular pyramid with a square base?

allsm [11]

Answer:

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Step-by-step explanation:

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kirza4 [7]

A=x
B= 2x
C=3x
If you add them up =
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÷6 both sides
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3 years ago

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