Answer:
20 gallons!~
Step-by-step explanation:
Dad's car holds 20 gallons of gas because 50% of 14 is 7. Therefore, add 50% (or add 7 gallons of gas) mom's total amount of gas her car hold in order to Dad's.
So, 7 + 14 = 20, therefore giving your your answer of 20 gallons.
Hope this helps!~ <3
Answer:
y=-4
x=-12
Step-by-step explanation:
Set up the system
Then you have to cancel out a variable
Then you solve for the remaining variable
Then plug in to find other variable
I'm sorry if that's confusing:/
Answer:
what are the available options then I can answer
Answer:
28. W=20ft
29. -340
30. 56, 57, 58
Step-by-step explanation: For 28
1. A = L*W
2. A = 240
3. 240 = 12*W
4. (240/12) = W
5. 20ft = W
Step-by-step explanation: For 29
X +300 = -40
X = -40 - 300
X = -340
Step-by-step explanation: For 30
171/3 = 57, therefore 57 is the average
56, 57, 58
Hello,
f(x)=x+8
g(x)=x²-6x-7
f(g(x))=f(x²-6x-7)=x²-6x-7+8=x²-6x+1
f(g(2))=2²-6*2+1=4-12+1=-8+1=-7
Answer A