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Gemiola [76]
4 years ago
11

What is the average rate of change from x = −1 to x = 1? −4 −2 2 4

Mathematics
1 answer:
UkoKoshka [18]4 years ago
5 0
The answer of average rate o change is 2. Hope it help!
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Cam was bom weighing 8.6 pounds. Every day, he gained the same amount of weight. After 30 days, he weighed 14.9
guajiro [1.7K]

Answer:

So I'm not entirely sure about this one, but I believe he gained 0.21 pounds each day for 30 days

Step-by-step explanation:

Since Cam was born weighing 8.6 pounds and after 30 days weighed 14.9, subtract 14.9-8.6 to find how much he gained.

14.9 - 8.6 = 6.3

Now that we know how much he gained, we have to find out how much he gained per day for 30 days. To do this, divide 6.3 by 30

6.3 / 30 = 0.21

To make sure this answer is correct, multiply 0.21 by 30 and add that to 8.6. It should equal 14.9.

I hope this helps!

7 0
3 years ago
Read 2 more answers
If 3x - 2y = 9 , 27x³- 8y³= 1377 , prove that xy = 4 <br><br><br><br>plzz answer this question... ​
solniwko [45]

Step-by-step explanation:

Here we are given that , the Value of

  • 3x - 2y = 9
  • 27x^3 - 8y^3 = 1377

And we need to find the prove that ,

  • xy = 4

We know a identity as ,

  • (a-b)^3 = a^3-b^3-3ab(a-b)

On cubing both sides of the given equation,

  • (3x-2y)^3 = 9^3

Simplify and then substitute ,

  • 27x^3-8y^3 -3(3x)(2y)(3x-2y ) = 729

  • 1377 - 18xy (9) = 729

  • 162xy = 1377-729

  • xy =\dfrac{648}{162}

  • xy = 4

Hence Proved !

8 0
3 years ago
I need help with this geometry question. Please show work:)
aliya0001 [1]
I think it would be 7.5!!

7 0
3 years ago
A paragraph proof
Butoxors [25]

A paragraph proof D. contains a set of sentences explaining the steps needed to reach a conclusion.

<h3>What is a paragraph proof?</h3>

It should be noted that a paragraph proof simply means a way of presenting a mathematical proof.

In this case, it contains a set of sentences explaining the steps needed to reach a conclusion.

In conclusion, the correct option is D.

Learn more about proof on:

brainly.com/question/17888884

#SPJ1

4 0
2 years ago
What multiplies to -75 and adds to 10? <br> thanks
Gelneren [198K]
-5 and 15. -5 times 15 is equal to -75, and they also add to 10.
6 0
3 years ago
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