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sasho [114]
2 years ago
10

Marta recorded the temperature at 8 p.m. as 56°F and the temperature at 8 a.m. the next morning as 36°F. Marta assumed the tempe

rature changed at a constant rate. She wrote an equation to find the number of degrees the temperature dropped each hour, h, of the night. Which equation did Marta write?
Mathematics
2 answers:
kolbaska11 [484]2 years ago
6 0

Answer:

The answer is 12h-36=56

Step-by-step explanation:

If you start with 8, 56 and 36 you add and subtract and get 12 then figure from the question the variable (h) and do the problem. Don't forget. take your time!


Ksju [112]2 years ago
5 0
1. Calculate how many hours passed between her temperature checks. 8 p.m to 8 a.m. is 12 hours.

2. Calculate the total change in temperature. 36 - 54 is -18, so the temperature went down by 18 degrees.

3. We are looking for degrees per hour, so we put derees(18) over hours (12) to get 18/12.

4. Calculate by dividing. The answer is 1.5 degrees per hour.
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Bart wants to deposit his piggy bank savings into a savings account. If he deposits $325. 76, how many whole years will it take,
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Answer:

Step-by-step explanation:

Compounding interest :

Future value of money = Present value * (1+ r)^N

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In our example, Present value = 325.76, FV = 400, r = 2%, and we need to find N

by solving that we can find it that N is equal to 10.3675

Simple interest :

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Step-by-step explanation:

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Step-by-step explanation:

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