Mathematics, 14.02.2021 07:00 joho38
Vivian is at a fair in Coachella Valley, California. Much of the valley lies below sea level. Vivian has brought along an altimeter to measure her elevation at different places in the valley. Vivian's first ride was on the Ferris wheel. When she sat on the wheel at its lowest point, her altimeter read -9.6 feet. When she reached the top of the wheel, her altimeter read 12.3 feet.
Part B
Write an expression to represent vivian's change in elevation from -9.6 feet at the bottom of the ferris wheel 12.3 feet at the top.
Part C
Subtracting a number is the same as adding its additive inverse. For which elevation do we need to find additive inverse? what is the additive inverse of that elevation?
Part D
Now rewrite the expression from part B using the additive inverse that you identified in part C.
Part E
Simplify the expression that you wrote in part D, and explain what the number means with regard to the problem.
Please help thank you​
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Vivian is at a fair in Coachella Valley, California. Much of the valley lies below sea level. Vivian...
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