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DIA [1.3K]
3 years ago
7

the temperature in Indianapolis was-4°F at 7:00 am. the temperature rose 3°F by noon. What was the temperature at noon? use a nu

mber line to find the answer
Mathematics
1 answer:
Nostrana [21]3 years ago
3 0
I believe that it would be -1
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Solve with solution...no spam answers pls
Agata [3.3K]
<span>Let's analyze Hannah's work, step-by-step, to see if she made any mistakes. 

</span>In Step 1, Hannah wrote \dfrac{d}{dx} (-3+8x) <span> as the sum of two separate derivatives </span>\dfrac{d}{dx}(-3)+ \dfrac{d}{dx} (8x) <span>using the </span><span>sum rule.
</span>
This step is perfectly fine. 

In Step 2, \dfrac{d}{dx}(8x) was kept as it is, and \dfrac{d}{dx}(-3) was rewritten as 0 using the constant rule.Indeed, according to the constant rule, the derivative of a constant number is equal to zero.

This step is perfectly fine. 

In Step 3, \dfrac{d}{dx} (8x)  was rewritten as \dfrac{d}{dx}(8) \dfrac{d}{dx}(x) supposedly using the constant multiple rule.

The problem is that according to the constant multiple rule, \dfrac{d}{dx}(8x)&#10; should be rewritten as 8 \dfrac{d}{dx}(x) and not as \dfrac{d}{dx}(8)\dfrac{d}{dx}(x).  

<span>Therefore, Hannah made a mistake in this step.</span>
6 0
3 years ago
Read 2 more answers
Please help quickk!!
Airida [17]

21 = 6

7 = 5

1 = 4

hope this helps

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3 years ago
Which irrational number is closest to the number 5?
blsea [12.9K]

Answer:

I believe it is right by looking at this picture, but I am not certain

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3 years ago
Please help with this problem ,<br> what is 5 x 6
-BARSIC- [3]

Answer:

the answer is 30

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3 years ago
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Brut [27]

Answer:

x = 62

Step-by-step explanation:

62 and x are alternate exterior angles and alternate exterior angles are equal when the lines are parallel

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