Answer:
2x= 3x-7
-x=-7
x=7
so, the first option
Step-by-step explanation:
This is what I got as my answer. Hope it helps!
Answer: (B) 30 gallons.
Step-by-step explanation: Lets subtract 110 - 78 to find the maximum amount of additional water, w that can be added to the tub.
110 - 78 = 32.
round 32 to 30.
So, a reasonable value would be 30 gallons.
Answer:
x=3
Step-by-step explanation:
This is a proportional equation:
Given: x/9=9/27
Cross-multiply: 27x=81
Divide: x=3
So x=3
From the following choices, the correct step in evaluating: ∫ cos2 5x dx is 1 - cos 10x / 2dx.