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melamori03 [73]
3 years ago
14

An elevator goes up 7 floors and then down 4 floors.What integer represents the change in the floor level?

Mathematics
1 answer:
aleksley [76]3 years ago
4 0

Answer:

The integer would -3.

Step-by-step explanation:

Think of it this way:

The elevator goes +7 (Positive = Up) and then -4  (Negative = Down). What is 7-4? That's easy it's just 3. But since the floor level goes down, <u>it would be negative.</u> So you just make it -3.

Check your work:

If we went up from the 4th floor by three, we would get up to the 7th floor.

Hope it Helps!

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Dr. W Sweet Rides Car Rental charges a flat fee of $24 and an additional $0.35 for every mile the car is driven. Which function
murzikaleks [220]

Answer:

c = 0.35 x + 24

Step-by-step explanation:

First, let's go over the information we have. We know that no matter what, Dr. W Sweet will charge a base fee of $24, and that for each additional mile, he will charge 35¢. Now let's make an equation reflecting this information:

cost = 35¢ (number of miles) + $24 (starting fee)

We can also write this like this:

c = 0.35x + 24

If you want to test this equation, put in a value for the x variable, like so:

Value: 25 miles

c = 0.35(25) + 24 \\ c = 8.75 + 24 \\ c = 32.75

For this situation, the cost will be $32.75. I hope this helps! If you have questions, comment on this response, I should write back reasonably quickly.

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Step-by-step explanation:

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artcher [175]

Answer:

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Step-by-step explanation:

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