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Tatiana [17]
3 years ago
6

The temperature has been going down at a constant rate. In 3 hours it went down 15 degrees. Which expression best shows the temp

erature change each hour?
Mathematics
2 answers:
Norma-Jean [14]3 years ago
7 0
15/3 = 5 shows the temperature change each hour
Degger [83]3 years ago
6 0
15/3=5
The temperature goes down 5 degrees in 1 hour.
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3 years ago
HELP for (ii)…..how do we find a?
Mariana [72]

By using the information given on the graph, we can see that a = 3.

<h3>How to find the value of a?</h3>

Here we have an exponential of the form:

y = p*a^x

And by looking at the graph, it passes through (0, 4) and (2, 36), so we can write:

4 = p*a^0\\\\36 = p*a^2

From the first equation we get that p = 4, replacing that on the second one we get:

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If you want to learn more about exponential equations:

brainly.com/question/11832081

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7 0
2 years ago
What is the value of x in the equation 8 + x = 3?<br><br> −5<br> 5<br> 11<br> 24
Dvinal [7]

Answer: 8 + x = 3

To solve for this, we need to get x by itself on one side of the equation.

Currently, we have 8 being added to x, so we need to perform the opposite order of equations to get rid of 8.

The opposite of +8 is -8, so subtract 8.

Remember, if you add, subract, multiply or divide by any new number, you must do it to both sides of the equation.

8 + x = 3

Subtract 8 from both sides.

8 - 8 = 0

3 - 8 = -5

We're now left with:

x = -5

Your answer is A.) -5.

I hope this helps! can u pls give me brainliest

Step-by-step explanation:

3 0
3 years ago
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