3 years ago

Multiply.

Mathematics

1 answer:

Gekata [30.6K]3 years ago

7 0

Answer:

=23x2+3x

Step-by-step explanation:

x2+4x+22x2+3x−4x

=x2+4x+22x2+3x+−4x

Hope this helps

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Please help will give brainliest it’s for a test<br><br> Round 29.20 to 30 <br> Show work please

djverab [1.8K]

Answer:

you cant round that to 30

Step-by-step explanation

29.20

29.2 2 is less than 5

so you cant round you can only round if the .tens place is 5 or more

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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 .

4 0

3 years ago

Read 2 more answers

If x is 4 then y is

Eduardwww [97]

Answer:

Step-by-step explanation:

if x is 4 then y is 2 unlesss uknwo

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3 years ago

GEOMETRY SIDE LENGTHS

PilotLPTM [1.2K]

Answer:

I believe that the third answer is correct..... but I'm not positive.

Step-by-step explanation:

if you get the third side of the triangle to be 71 then it would go first. Then it would go to 45-55. And lastly to 71-45

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3 years ago

Liula [17]

$\sqrt{((-6)-(-5))^2 +(9-2)^2}=5\sqrt{2} \approx 7.071$

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1 year ago