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Molodets [167]
3 years ago
13

Is the change in Vivian's elevation from the bottom of the Ferris wheel to the top a positive number or a negative number? Why?

Mathematics
2 answers:
DanielleElmas [232]3 years ago
8 0

Step-by-step explanation

The change in Vivian’s elevation is a positive number because her elevation increased as she moved from the bottom back to the top.

coldgirl [10]3 years ago
5 0

Answer:

The change in Vivian’s elevation is a positive number because her elevation increased as she moved from the bottom back to the top.

Step-by-step explanation:

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Nathan ordered one cheeseburger and one bag of chips for 3.75 jack ordered two cheeseburgers and three bags of chips for 8.25 kn
Elan Coil [88]

Answer:

cheeseburger is $3 and chips is $0.75

Step-by-step explanation:

Let price of cheeseburger be x while price of a bag of chips be y hence for the case of Nathan, we can write the equation as x+y=3.75. Similarly, for Jack, we can write it as 2x+3y=8.25

x+y=3.75 hence x=3.75-y and substituting this into the second equation we have

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Therefore, price of cheeseburger is $3 and chips is $0.75

7 0
3 years ago
When a number is decreased by 45%, the result is 9. What is the original number to the nearest tenth?
Paul [167]

Answer:

16.4

Step-by-step explanation:

To decrease a number by 45% of its value, you subtract the 45%. To get 45%, you multiply the number by 0.45.

So, if x is the original number, then the equation for this word problem would be x - 0.45x = 9.

To solve, we first subtract 0.45x from x, which is 0.55x. This means that 0.55x is equal to 9. To simplify, we can divide both sides by 0.55. 9/0.55 is 16.36363636..., etc. The nearest tenth would be 0.4, so your answer is 16.4

3 0
3 years ago
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