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3 years ago

Really confused and am on final attempt!

Mathematics

1 answer:

Flura [38]3 years ago

3 0

Answer:

Step-by-step explanation:

the legs of a 30-60-90 triangle are 1 and $\sqrt{3}$ , while the hypotenuse is 2.

the ratio of the legs is therefore 1 : $\sqrt{3}$ → C

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3 years ago

(07.01 MC)

OverLord2011 [107]

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Step-by-step explanation:

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2 years ago

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HELP! GEOMETRY

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Step-by-step explanation:

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3 years ago

Write y=2x^2+12x+14 In vertex form

ratelena [41]

Answer:

$\large\boxed{y=2(x+3)^2-6}$

Step-by-step explanation:

The vertex form of a parabola f(x) = ax² + bx + c:

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(h, k) - vertex

$h=\dfrac{-b}{2a}\\\\k=f(h)$

We have the equation:

$y=2x^2+12x+14\\\\a=2,\ b=12,\ c=14\\\\h=\dfrac{-12}{2(2)}=\dfrac{-12}{4}=-3\\\\k=f(-3)=2(-3)^2+12(-3)+12=2(9)-36+12=18-36+12=-6$

Finally:

$y=2(x-(-3))^2+(-6)=2(x+3)^2-6$

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3 years ago

Polynomials <br><br> Multiply 5x(x2 - 4x + 2)

salantis [7]

Answer:

Assuming "x2" is x squared:

5x(x2-4x+2)

(5x(x2)+5x(-4x)+5x(2))

For these polynomial multiplication problems, just distribute the number outside the parentheses.

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