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natta225 [31]
3 years ago
8

What is four fifths equivalent to

Mathematics
1 answer:
skad [1K]3 years ago
6 0

Answer:

8/10 or 16/20

Step-by-step explanation:

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What is the area of a 30 degree sector of a circle with area 96 pi meters ^2?
iren2701 [21]
\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
-----\\
A=96\pi 
\end{cases}\implies 96\pi =\pi r^2
\\\\\\
\cfrac{96\underline{\pi }}{\underline{\pi }}=r^2\implies 96=r^2\implies \boxed{\sqrt{96}=r}\\\\
-------------------------------

\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta \pi r^2}{360}~~
\begin{cases}
r=radius\\
\theta = angle~in\\
\qquad degrees\\
------\\
\theta =30\\
r=\boxed{\sqrt{96}}
\end{cases}\implies A=\cfrac{(30)(\pi )(\sqrt{96})^2}{360}
\\\\\\
A=\cfrac{(30)(\pi )(96)}{360}\implies A=8\pi
4 0
4 years ago
Can someone pls help?
True [87]

Answer: Mark me brainliest..

Step-by-step explanation: and imma put the answer in the comments if you do so. youve got nothing to lose! :D

7 0
3 years ago
Peterson is buying a DVD for $22.95. The sales tax rate is 8%. About how much will the total cost be?
Tems11 [23]

Answer:

$24.79

Step-by-step explanation:

$22.95 x 1.08 = 24.786

4 0
3 years ago
What are the zeros of f(0) ** - 202
solmaris [256]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Select all the points that are on the graph of the line 2x + 4y=20 a.)(0.5) b. (0,10) c. (1,2) d.) (1,4) e.) (5,0) f. (10,0)
zmey [24]

Answer:

(0,5) and (10,0)

Step-by-step explanation:

The equation of the straight line is given by 2x + 4y = 20 .......... (1)

Now, point (0,5) satisfies the equation (1) as putting x = 0, we will get y = 5.

Now, point (0,10) does not satisfy the equation (1) as putiing x = 0, we get y = 5 ≠ 10

Again, point (1,2) does not satisfy the equation (1) as putiing x = 1, we get y = 4.5 ≠ 2

Now, point (1,4) does not satisfy the equation (1) as putiing x = 1, we get y = 4.5 ≠ 4

Again, point (5,0) does not satisfy the equation (1) as putiing y = 0, we get x = 10 ≠ 5

Finally, point (10,0) satisfies the equation (1) as putiing y = 0, we get x = 10 .

Therefore, only points (0,5) and (10,0) are on the graph of the line 2x + 4y = 20 (Answer)

8 0
3 years ago
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