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emmainna [20.7K]
2 years ago
5

The temperature was 38 degrees Fahrenheit before a cold front came through. Ten hours later, the temperature was -12 degrees Fah

renheit. If the temperature dropped at a constant rate, find the rate of change, in degrees per hour.
Mathematics
1 answer:
padilas [110]2 years ago
7 0

Answer:

-5 degrees per hour

Step-by-step explanation:

In 10 hours, the temperature dropped -50 degrees (38 + 12, and make it negative because the temperature went down, not up).

So divide -50 by 10

-50/10 = -5

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The difference of two numbers is 3. Their sum is - 24. Find the numbers.
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Answer:

y = -13.5

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Step-by-step explanation:

Hi there!

Let the two numbers be equal to <em>x</em> and <em>y</em>.

The difference of two numbers is 3 ⇒ x - y = 3

Their sum is - 24 ⇒ x + y = -24

Solve using elimination:

x - y = 3

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Solve for y:

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y = -13.5

I hope this helps!

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