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svlad2 [7]
4 years ago
12

Now how do u find the approximate area of a circle

Mathematics
1 answer:
alekssr [168]4 years ago
8 0
The area of a circle is π r^2, with r being the radius

For example, the area of a circle with a radius of 3 would be 28.27


I hope this helps!


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A student is raising money for cancer research. A local business agrees to donate an additional 25% of what the student raises,
bixtya [17]

Answer: 585 maybe??

Step-by-step explanation:

450/100 = 4.5

4,5 = 1 percent of the total amount.

4.5 x 25 = 112.5

112 = 25 percent of 450

4.5 x 5 = 22.5

22.5 = 5 percent of 450

Hope u understand and that this helps:)

4 0
3 years ago
When might it be easier to use the percent equation rather than the percent proportion
dimulka [17.4K]
No it's a lot easier to use percent equation because it's easier to correct if wrong and you can get a better understanding of percent equation.
7 0
3 years ago
I just need these three questions fine, they should be easy, 7th grade level
muminat

1) A graph is linear when the line on a graph is a straight line with no curves.

2) A proportional graph means that as x increases, y increases and when x decreases, y decreases and their ratio always stays the same.

3) (I don't know what type of equation you mean but this is my guess)

Division is the last step of an equation.

7 0
3 years ago
lexi wants to share the sheet of tiger stickers with two friends are there enough stickers to make equal shares for lexi and her
zalisa [80]
Hello! 
"Lexi wants to share the sheet of tiger stickers with two friends are there enough stickers to make equal shares for lexi and her two friends"
So there's only 1 sheet of stickers so there's not really enough to share with 2 friends because there's only one sheet which means however many is on the sheet won't be an equal amount to share amongest  3 people. 
Hope this helps! 
~Nadia~
6 0
3 years ago
After taking off from the landing pad, a helicopter flies 4 miles north, then 9 miles southwest. How far is the helicopter from
amid [387]

Answer: The helicopter is 8 miles from the landing pad.

The helicopter must fly to east to reach the landing pad.

Step-by-step explanation:The helicopter flies north which is upward for 4 miles, the southwest is at an angle downwards to the left for 9 miles. Overall the right hand triangle is formed, therefore we can use Pythagoras to solve for X.

r^2=x^2+y^2

r = 9

y = 4

Then x= 8.06

We moved y to the other side and solve for x and we placed square roots on both sides to solve for x.

The helicopter must move straight to the right to reach landing pad.

8 0
3 years ago
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