A set of stairs is made of two blocks of cement. One block is a rectangular prism 6 feet long 2 feet wide and 1 foot tall. The o
ther block is twice as tall as the first and the other dimensions are the same. What is the total volume of cement used to make the stairs.
1 answer:
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Answer: (4,3)
Step-by-step explanation:
1. In this method you must solve one of the equation for one of the variables and substitute it into the other equation to find the other variable. Then, substitute the value of that variable into one of the original equation to obtain the value of the other one.
2 You have that:
3. Then, you can substitute it into the other equation and solve for x:
4. Now you can obtain y:
5. The answer is:
(4,3)