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saw5 [17]
2 years ago
15

+

Mathematics
1 answer:
irga5000 [103]2 years ago
7 0
152*3=456............,
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(21.) A writer earns $3400 a month. Last month she spent $204 on food.
Sergeu [11.5K]
6 percent was spent
7 0
2 years ago
Read 2 more answers
If the endpoints of the diameter of a circle are (6, 3) and (2, 1), what is the standard form equation of the circle?
Anastasy [175]
If the endpoints of a diameter are (6,3) and (2,1) the midpoint is the center of the circle so:

(x,y)=((6+2)/2, (3+1)/2)=(4,2)

Now we need to find the radius....the diameter is:

d^2=(6-2)^2+(3-1)^2

d^2=16+4

d^2=20  since d=2r, r=d/2, and r^2=d^2/4 so

r^2=5

The standard form of the circle is (x-h)^2+(y-k)^2=r^2 and we know:
 
(h,k)=(4,2) from earlier so:

(x-4)^2+(y-2)^2=5
8 0
3 years ago
Can you guys help me solve this problem
Maslowich

PLEASE. MARK ME AS BRAINLIEST ANSWER.

8 0
2 years ago
Write an equation of the line that is perpendicular to the line y = 1 2 x + 8 that passes through the point (4,6).
Harlamova29_29 [7]
B. 

This is because perpendicular lines have opposite and flipped slopes. 
4 0
2 years ago
Eighty-five more than the square of a number is the same as the square of the quantity that is 17 less than the number. What is
mario62 [17]
We can turn this word problem into the following equation:
x^2 + 85 = (x - 17)^2
  x^2 + 85 = x^2 - 34x + 289
           -85                       -85
_______________________
      x^2 = x^2 - 34x + 204                    
     +34x         +34x
_______________________
 x^2 + 34x = x^2 + 204
-x^2             -x^2
____________________
       34x = 204
Divide 34 on both sides
      x = 6.
The number is 6.
5 0
3 years ago
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