Answer:
(0,4)
Step-by-step explanation:
Subtract the first equation from the second, obtaining y = 4. Then substitute 4 for y in the first equation, obtaining x + 2(4) = 8; it follows that x = 0.
The solution is (0,4).
Answer:
8p - 1
Step-by-step explanation:
one less than = - 1
than 8 times p = 8p
put it together= 8p - 1
Answer:
8.49
Step-by-step explanation:
Answer:
x=-2.5,9
Step-by-step explanation:
Set them equal to each other to say 2x^2-9x=4x+45. Get them all on one side to get 2x^2-13x-45. Factor that out to get (x+2.5)(x-9). Set that equal to 0 to get x=-2.5,9
9 3/4 is a mixed number, and to find a percent it has to be a percent of what. 9 3/4 as a percent alone is 975% if that's what they want.