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Lyrx [107]
3 years ago
13

A semicircle has a center at X and diameter WZ. The radius XY of the semicircle has a length of 2. The chord YZ has a length of

2. What is the area shaded sector formed by angle WXY
Mathematics
1 answer:
siniylev [52]3 years ago
4 0
, it is important to recognize that the point (x,y) in the first quadrant represents any point on the semicircle. In Figure 2, the same semicircle is shown with the inscribed rectangle drawn for three different values of x.
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65536, 256, 16, What is the next number?
Oduvanchick [21]
Hello,

x_{1} =65536\\
 x_{n+1} =\sqrt{ x_{n}}\\\\

 x_{1}=65536\\
 x_{2} =\sqrt{65536}=256\\
 x_{3} =\sqrt{256}=16\\
 x_{4} =\sqrt{16}=4\\
 x_{5} =\sqrt{4}=2\\
 x_{6} =\sqrt{2}\\
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7 0
3 years ago
This year, Mrs. Fisher has 9 students who are new to the school. The number of new students represents 7.5% of all her students.
Lelu [443]
7.5\% \text { of } x = 9 \text { students}

0.75 \times x = 9 \text { students}

0.75x = 9
5 0
3 years ago
Plz help !!!!!!!!!!!!!
Serhud [2]

I not 100% sure but I chose C.

Hope this helps.. but good luck :)

3 0
3 years ago
Cost A=0.6489<br><br> take the inverse cosine of both sides
Stolb23 [73]
I am not quite sure what the question asks for,
But this is what i assume it wants:

Cos A= 0.6489
In this given one, we basically find the size of the angle A
we do cosine inverse on both sides to get the size of the angle A
cos^{-1} : It looks like this in the calculator
cos^{-1} × cos A=cos^{-1}(0.6489)
(cos^{-1} and cos cancels out)
A=cos^{-1}(0.6489)
A=49.54°
check: 
cos 49.54=0.6489 (its right!)

6 0
3 years ago
What property is 10(5+9x) and 10(9x+5)
tatuchka [14]

Answer:

Associative property: The addition or multiplication of a several numbers is the same regardless of how the numbers are grouped. The associative property will always involve 3 or more numbers. The parenthesis groups the terms that are considered one unit.

8 0
3 years ago
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