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Paladinen [302]
3 years ago
13

I need to find the area of the shaded region

Mathematics
1 answer:
spin [16.1K]3 years ago
4 0
Well first find the area of the semi-circle. 

If the area of a cricle is equal to pi*radius^2 , then you can just find that and divide by 2.

So, A = pi*2^2. = 4pi

We know that the radius is 2 because the length of the side of the rectangle is 4, meaning that the diameter of the semi-circle is 4, and so the radius is 2 as it is half of the diameter. 

We can easily calculate the area of the rectangle, which is
 Length * width = 6*4 = 24.

Next we divide 4pi by 2 in order to get the area of the semi-circle, giving us an area of 2pi

We can just subtract 2pi from 24 and get the area of the shaded region.

Area of the shaded region (answer): 17.7
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IgorC [24]
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4 0
3 years ago
How many solutions does the equation x^2-9x=-8 have?
Elza [17]
X^2-9x=-8
x^2-9x+8=-8+8
x^2-9x+8=0
(x-8)(x-1)=0

x-8=0
x-8+8=0+8
x=8

x-1=0
x-1+1=0+1
x=1

There are 2 solutions, which are 1 and 8 
8 0
3 years ago
Which of the following is not true when using the confidence interval method for testing a claim about μ when σ is​ unknown? Cho
sp2606 [1]

Answer:

The​ P-value method and the classical method are not equivalent to the confidence interval method in that they may yield different results ( A )

Step-by-step explanation:

The False statement about using the confidence interval method when testing a claim about  μ when  σ is​ unknown is ; The​ P-value method and the classical method are not equivalent to the confidence interval method in that they may yield different results

This is because sometimes the values gotten from the p-value and confidence interval differs and this occurs mostly when the sample size is very small.

3 0
3 years ago
Cedar Point amusement park has some of the tallest roller coasters in the United States. The Mantis is 165 feet shorter than the
grandymaker [24]

Answer:

145 ft

Step-by-step explanation:

According to Cedar Pt web site, the height of the Millennium Force=310'

the Mantis is 165 feet shorter than the Millennium Force

the height of the Mantis=310-165=145'

here ' means feet

8 0
3 years ago
Which is bigger 4/7 or 3/5
romanna [79]
3/5 is bigger because 4/7 = 20/35 and 3/5 = 21/35
8 0
3 years ago
Read 2 more answers
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