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Alona [7]
3 years ago
5

Someone please help me?

Mathematics
1 answer:
vekshin13 years ago
4 0
Coordinates of the center you can find from
x-3=0 and y+5=0
x=3 and y=-5
(3,-5)  is the center of the circle.

25 is a square of the radius.
r²=25, so
r=5

Center 
(3,-5), r=5
So, the answer is D.
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Use the net to find the surface area of the square pyramid. A) 210 in2 B) 320 in2 C) 420 in2 D) 450 in2
Aleksandr [31]

Answer:

D. 420

The area of a triangle is

\frac{1}{2} bh

half of(base× height)

10×16= 160

160÷2=80

That is the surface area of ONE triangle.

multiply 80 by 4 to get 320

then find the surface area of the square by doing length×width to get 100

Finally add them together

320+100=420

4 0
3 years ago
In january the normal temperature in Atlanta, Georgia is 41 degrees F,. InFebryary the normal temperature inAtlanta is 45 degree
lara [203]
I don't see any pattern but if there has to be then it could be that the temperature is increasing and never dropped down.
3 0
3 years ago
Given the two perallel line ,determine the measure of x a= x=125 b= x=135 c= x=45 d= x=55
dedylja [7]

Answer:a

Step-by-step explanation:

7 0
3 years ago
Which of the following is the measure of side a?<br> 23.3<br> 144<br> 8<br> 16
jenyasd209 [6]

Step-by-step explanation:

it is a right-angled triangle, so the side lengths need to fulfill the Pythagoras rule :

c² = a² + b²

where c is the Hypotenuse, the baseline opposite of the 90 degree angle. and a and b (often called legs) are the sides "enclosing" the 90 degree angle.

so, we have

20² = a² + 12²

400 = a² + 144

a² = 256

a = 16

FYI - we could have picked the right answer also by eliminating the wrong given answer options.

as this is a right-angled triangle :

a cannot be longer than the baseline (20).

that eliminates already the first 2 options.

and then look at the picture : a cannot be shorter than b (the other side line (12)).

that eliminates the third option.

4 0
2 years ago
Point M is between points N and O on NO Find the length of NM if MO = 12.3 and NO = 26.9.
qaws [65]
NM + MO = NO
NM + 12.3 = 26.9
NM = 26.9 - 12.3
NM = 14.6

3 0
3 years ago
Read 2 more answers
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