Answer:
36
Step-by-step explanation:
x^2 + 12 x = 40
To complete the square, take the coefficient of the x term
12
Divide by 2
12/2 = 6
Square it
6^2 = 36
Add 36 to each side
^ what they saidddddddddddddddddd
GCF- you can use this to find the greatest number to go into the fractions to make the fractions bigger.
LCM- helps you simplify the fractions.
ALL it does is that it helps make your fractions bigger or smaller. ( In smaller ways)
Answer:
Part A: $13.76 saved. Part B: $55.04
Step-by-step explanation:
Part A: Set a proportion up d/68.8 = 20/100
100·d=100d 68.8·20=1376
100d/100 cancels out
1376/100=13.76 so $13.76 was saved
Part B: 68.80-13.76= 55.04 so $55.04 was what he paid.
13g = 143
g = 11
143/13 = 11
