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3 years ago

11

Plzzzzzzzzzzzzzz help me 30 points

2 answers:

Gwar [14]3 years ago

8 0

Answer:

what is your question?

Annette [7]3 years ago

5 0

ya what is the question ?

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The area of the sector of a circle with a radius of 8 centimeters is 125.6 square centimeters. The estimated value of pi is 3.14

tangare [24]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
\theta=\textit{angle in degrees}\\
r=radius\\
----------\\
r=8\\
A=125.6
\end{cases}
\\\\\\
360A=\theta\pi r^2\implies \cfrac{360A}{\pi r^2}=\theta\implies \cfrac{360\cdot 125.6}{\pi 8^2}=\theta$

4 0

3 years ago

If you start with 60% sunny days and after 200 days it decrease by 50%. How many days of the 200 were sunny days

qaws [65]

120 sunny days if there were 60% of em in 200 days

4 0

3 years ago

The nth term of a sequence is 2N - six

dolphi86 [110]

Answer:

ok nice to know

Step-by-step explanation:

that wasnt even a ????

4 0

3 years ago

9/10 ÷ 5/10<br> can you please explain?

frozen [14]

Answer:

Step-by-step explanation:

Hello,

Dividing by 1/2 is like multiplying par 2, right ?

Dividing by 5/10 is like multiplying par 10/5, right ?

and then

$\dfrac{\dfrac{9}{10}}{\dfrac{5}{10}}=\dfrac{9}{10}\times \dfrac{10}{5}=\dfrac{9}{5}$

as 10/10=1

Thanks

3 0

3 years ago

Read 2 more answers

Geometry 10 Unit 7 Circles Test Question 16

Sergio039 [100]

X is 15

$8x - 10 + 6x + 10x + 10 = 360 \\ 8x + 6x + 10x = 10 - 10 + 360 \\ 24x = 360$
$x = \frac{360}{24 } = 15$

good luck

4 0

4 years ago