Answer: x^2+y^2+2x-18y+18=0 in standard form is (x+1)^2+(y-9)^2=64
D(250/300)=90
d=108mi
.................
Answer:
2/3 or 0.66 repeated
Step-by-step explanation:
Since 2022 is only divisible by 1,2,4, and 5, the probability of getting a number that is a divisor of 2020 is 4/6, simplified to 2/3 or %0.66.
Answer:
the mean of 8 children = mean of 5 boys + mean of 3 girls / 2
10.5 + 9.5 / 2
20 / 2
= 10 kg
therefore mean of 8 children is 10 kg