The answer would be letter A.
8x² + 64x = 0
8x(x + 8) = 0
8x = 0 or x + 8 = 0
x = 0 or x = -8
Answer: x = 0 or x = -8
The Answer is 6 Dollars
Well here there are two parts You and your friend spent 15 dollars your friends lunch cost 3 more than yours <span>
6=x is the amount you spent on lunch.
Your friend spent $3 more so add $3 to the amount you spent to get...
$9 spent by your friend.
You=$6
Friend=$9
Total=$15
To prove the solution is valid, plug 6 in for x.
15=3+2(6)
15=3+12
15=15 thus proving the solution is valid.</span>
Answer: 11:11
Step-by-step explanation:
The ratio is 11 nickles to 11 dimes, Take away the names of the coins and there is your answer. (If i'm correct)
Answer:
28.84
Step-by-step explanation:
the figure is just a square made up of squares so to find the side of a square you use the \sqrt{52} to find one side then multiply times 4 for each side