Answer:
B
Step-by-step explanation:
An equation of a circle:
(x - a)² + (y - b)² = r²
(a; b) - a coordinates of a center
r - a radius
r = 5; P(6; 1) ⇒ a = 6 and b = 1
therefore
(x - 6)² + (y - 1)² = 5²
check:
A) Q(1; 11)
L = (1 - 6)² + (11 - 1)² = (-5)² + 10² = 25 + 100 = 125
R = 25
L ≠ R
B) R(2; 4)
L = (2 - 6)² + (4 - 1)² = (-4)² + 3² = 16 + 9 = 25
R = 25
L = R - CORRECT
C) S(4; -4)
L = (4 - 6)² + (-4 - 1)² = (-2)² + (-5)² = 4 + 25 = 29
R = 25
L ≠ R
D) T(9; -2)
L = (9 - 6)² + (-2 - 1)² = 3² + (-3)² = 9 + 9 = 18
R = 25
L ≠ R
Answer: B) R(2; 4).
They forgot 90. Add 90 to the equation to make it correct.
Answer:
she had $77 to her name
Step-by-step explanation:
Add the cost up from the cd & dvd then add the total from that and the 55
That the order does not matter in addition. Eg-
2+6 is the same as 6+2
Hello from MrBillDoesMath!
Answer:
-30
Discussion:
-3b -3y -3a -3x => (rearrange terms so a,b and x,y together)
-3a - 3b - 3x - 3y => (factor 3 from each term)
-3(a+b) - 3(x+y) => (substitute values provided by problem)
-3(9) - 3(1) =>
-27 - 3 = -30
Regards,
MrB
