B. Is the correct answer. For part B, he can buy 15 balloons since X=15. Plug this back into the equation to check: 2(15)+20=50.
2(15)=30+20=50.
Answer:
Step-by-step explanation:
A function satisfying the equation 
is said to be an even function. This denomination comes from the fact that the same relation is satisfied for functions of the form 
with 
even. Observe that if 
is twice differentiable we can derivate using the chaing rule as follows:
implies 
Applying the chain rule again we have:
implies 
So we have that function 
is also an even function.
We substitute in c using 9, it will be as follows:
5 ×[(-6×9)+4] = 5 × (-54+4) = 5 × (-50) = -250
B. is the answer because he can just refill the 1 gallon jug to eventually measure out 3 gallons!
I believe the answer is 34.
Explanation:
I used the equation a^2 + b^2 = c^2
10 = a
24 = b
Plug it in.
10^2 + 24^2 = c^2
Get rid of the ^2
10 + 24 = 34
