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3 years ago

Help i have 10 mins left

Mathematics

2 answers:

Natasha2012 [34]3 years ago

7 0

Answer:

I love you

Step-by-step explanation:

mhuuuuaaaaa good luck

rusak2 [61]3 years ago

3 0

Answer:

here's the solution :-

taking 60° as the angle,

=》

$\sin(60) = \frac{y}{1}$

=》

$\frac{ \sqrt{3} }{2} = y$

so, y =

$\frac{ \sqrt[]{3} }{2} \: or \: 0.865$

Now,

=》

$\cos(60) = \frac{x}{1}$

=》

$\frac{1}{2} = x$

so, x =

$\frac{1}{2} \: or \: 0.5$

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Read 2 more answers

Y=x^2-6x-16 in vertex form

satela [25.4K]

Answer:

$y=(x-3)^{2} -25$

Step-by-step explanation:

The standard form of a quadratic equation is $y=ax^{2} +bx+c$

The vertex form of a quadratic equation is $y=a(x-h)^{2} +k$

The vertex of a quadratic is (h,k) which is the maximum or minimum of a quadratic equation. To find the vertex of a quadratic, you can either graph the function and find the vertex, or you can find it algebraically.

To find the h-value of the vertex, you use the following equation:

$h=\frac{-b}{2a}$

In this case, our quadratic equation is $y=x^{2} -6x-16$ . Our a-value is 1, our b-value is -6, and our c-value is -16. We will only be using the a and b values. To find the h-value, we will plug in these values into the equation shown below.

$h=\frac{-b}{2a}$ ⇒ $h=\frac{-(-6)}{2(1)}=\frac{6}{2} =3$

Now, that we found our h-value, we need to find our k-value. To find the k-value, you plug in the h-value we found into the given quadratic equation which in this case is $y=x^{2} -6x-16$

$y=x^{2} -6x-16$ ⇒ $y=(3)^{2} -6(3)-16$ ⇒ $y=9-18-16$ ⇒ $y=-25$