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3 years ago

6

PLEASE BEFORE I SAY ANYTHING NO LINKS AND I MEAN IT

1 answer:

Mila [183]3 years ago

6 0

Answer:

If im not wrong i think its 24 units²

Step-by-step explanation:

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Help!?!? Find the area of the shaded region. Round your answer to the nearest hundredth.

Lerok [7]

Check the picture below.

so if y = 2, then 2y = 4, thus

$\textit{area of a segment of a circle}\\\\A=\cfrac{r^2}{2}\left(\cfrac{\pi \theta }{180}~~ - ~~sin(\theta ) \right)~~\begin{cases}r=radius\\\theta =\stackrel{degrees}{angle}\\[-0.5em]\hrulefill\\r=4\\\theta =60\end{cases}\\\\\\A=\cfrac{4^2}{2}\left(\cfrac{\pi (60) }{180}~~ - ~~sin(60^o ) \right)\implies A=8\left( \cfrac{\pi }{3}~~ - ~~\cfrac{\sqrt{3}}{2} \right)\\\\\\A=\cfrac{8\pi }{3}~~ - ~~4\sqrt{3}\implies A\approx 1.45$

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2 years ago

The axis of symmerty for the graph of the function f(x) = 1/4x^2 + bc +10 is x=6 what is the value of b

zysi [14]

Completing the square gives

$\dfrac14x^2+bx+10=\dfrac14(x^2+4bx+40)=\dfrac14(x^2+4bx+4b^2+40-4b^2)$

$\implies\dfrac14x^2+bx+10=\dfrac14(x+2b)^2+10-b^2$

At the point on the graph along the axis of symmetry, the squared term vanishes, so that when $x=6$ , we have $x+2b=0$ . So

$6+2b=0\implies 2b=-6\implies\boxed{b=-3}$

5 0

3 years ago

Okay, if anybody at all is good with Geometry/Proofs, I would really appreciate the help. I need some asap! Or can you recommend

tino4ka555 [31]

Ok with like what type. ppl get their questions answered here all the time

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3 years ago

Add 6 and 8. Then, multiply by 2.

Delvig [45]

Answer:

C. 2 x (6 + 8)

Step-by-step explanation:

If you are trying to add before you multiply, you have to put a parantheses. This way, you would add 6 + 8 first, then multiply it by 2.

7 0

4 years ago

Read 2 more answers

If 12 squared + b squared = 15 squared what is b squared.

Goshia [24]

Answer: 3

Step-by-step explanation:

5 0

3 years ago