A woman drives an SUV that gets 15 mpg. Her husband drives a hybrid that gets 55 mpg. Every week they travel the same number of
1 answer:
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Answer:
The expression is ⇒ 2nd answer
Step-by-step explanation:
* Lets explain how to solve the problem
- In the exponent rules, we add the exponents when we multiply terms
have same base
- Ex:
- The volume of the rectangular box is the product of its three
dimensions
* Lets solve the problem
- John buys a water tank from a company
- The tank he buys has the dimensions b² by b^4 by 4c³
∵ The water tank is shaped a rectangular box
∵ The tank has dimensions
∵ The volume of the tank = L × W × H , where L , W , H are the
dimensions of the tank
- Assume that L = b² , W = and H = 4c³
∴ The volume of the tank = b² × × 4c³
- b² and b^4 has the same base, then add its exponents
∴ The volume of the tank = × 4c³
∴ The volume of the tank = × 4c³
∴ The volume of the tank =
* The expression which represents the volume of the tank is:
∴ The answer is the second expression