Answer:
C(5,-9) and r=8.
Step-by-step explanation:
C(p, q) - center
r=radius
k:x^2 +y^2 +dx+ey+f=0
x^2+y^2 - 10x+18y+42=0
d=-10, e=18, f=42
p=-d/2=-(-10)/2=10/2=5
q=-e/2=-18/2=-9
r^2 =p^2+q^2-f
r^2 =5^2 +(-9)^2 - 42
r^2=25+81-42
r^2 =106-42
r^2 =64
r=sqrt(64)
r=8
C(p,q)=C(5,-9) r=8
Answer:
9 bagels
Step-by-step explanation:
Divide the price ($6.75) by the price of one bagel ($0.75) to get the amount of bagels Jan bought. (9)
Answer:
Each child should have 1.25 or 1
pizzas.
Step-by-step explanation:
5 ÷ 4 = 1.25
65%
Convert fraction (ratio) 13 / 20 Answer: 65%