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dybincka [34]
3 years ago
5

Check all that apply. is the reference angle for:

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:

B. C. and D.

Step-by-step explanation:

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Serhud [2]

Answer:

63°

Step-by-step explanation:

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6 0
3 years ago
7-1*0+3/3=?
Svetach [21]
I did the same thing and got 6 as well
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3 years ago
jacob bought a place mat. The place mat has four sides and only one pair of parallel sides. Which could be the shape of Jacob's
Gwar [14]
A rectangle is the answer 
8 0
3 years ago
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Write the standard equation for the circle 30. Center (2,7), r=4. 31. Center (-6,-8), that passes treough (0,0)
Salsk061 [2.6K]
The standard equation of the circle is:

(x-h)^2+(y-k)^2=r^2 where (h,k) it the center of the circle and r is the radius...

so

30.

(x-2)^2+(y-7)^2=16

31.

We need to find the radius...(I'll just use the Pythagorean Theorem)

r^2=6^2+8^2

r^2=36+64

r^2=100  (so the radius is 10) and its center is (-6,-8) so

(x+6)^2+(y+8)^2=100
3 0
4 years ago
Find the area of the shaded region. Use 3.14 for pi. Round to the nearest tenth.<br> r = 15<br> 110
Svetradugi [14.3K]

Answer:

110/360=11/36 (I will get back to this)

The area of the circle would be 225 pi using the formula pi r^2. So you multiply 225pi by 11/36 to find the area.  This rounds to 215.98

5 0
3 years ago
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