Answer:
(x+2)^2 + (y-4)^2 = 65
Step-by-step explanation:
r^2 = (4-(-4))^2 + (-1-(-2))^2 = 65
center = (-2, 4) so you add 2 to x and subtract 4 from y
Answer:
0.1655
Step-by-step explanation:
This is a binomial probability.
THe formula is:

Where n is the total number of people
r is how many we want (we want 1/3rd of 18 which is 6, r= 6)
p is probability of success (0.4)
Putting the information, we get:

Thus, the probability that exactly a third of the buyers would prefer brown is 0.1655
Answer:
8x^2-x-8
Step-by-step explanation:
6x^2 + 3x – 9-(- 2x^2 + 4x – 1 )
6x^2 + 3x – 9+2x^2 - 4x + 1
6x^2+2x^2+ 3x- 4x -9+1
8x^2-x-8
Answer: 32 hours
Step-by-step explanation: 51/6 = 8.5
So, Erica makes 8.5 dollars per hour. 272/8.5 = 32. Thus, Erica will need 32 hours.
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