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Vesna [10]
3 years ago
7

Helpppppp which of the following features of the online textbook will allow you to receive extra instruction on a topic?

Mathematics
2 answers:
marin [14]3 years ago
8 0
I'd say D. because that's what a lot of mine have

hope this helped :D
Tpy6a [65]3 years ago
5 0

Answer:

Option: D is correct.

( D. Homework video tutors )

Step-by-step explanation:

" Homework Video tutors:

Narrated by real school teachers, these online video tutorials provide students with homework help on key concepts of every lesson "

Hence, Homework video tutors are the online textbook which allow you to receive extra instruction on a topic.

Hence, option D is the correct answer.

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Arnold is trying to make packing boxes out of 6 foot by 6 foot pieces of cardboard from the local grocer. Help Arnold decide how
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<span>Part I: Determining Dimensions

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*You don't have to draw one, just explain what it would look like*


Answer:

Base of the box:

     it is a square
     side of the base = 6 foot - x - x. = 6 - 2x

Height of the box: x

Part II: Analyze

How does each variable expression relate to the length, width, and height of the box when folded?

Answer:

length = width = 6 - 2x
height = x


Part III: Extend your Findings
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Answer:

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b. Expand the product to write a volume function.

Answer:

Volume = (36 - 24x + 4x²)x

Volume = 36x - 24x² + 4x³


c. What domain makes sense for the volume?

Answer:

Since x is a physical dimension x is greater than 0

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So, the domain is (0, 3)


d. Guess and check values to find the size cut that produces a maximum volume.
*Six guesses are required*

Answer:

x              </span>Volume = 36x - 24x² + 4x³

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0.5           36(0.5) - 24(0.5)² + 4(0.5)³ = 12.5
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1.5           36(1.5) - 24(1.5)² + 4(1.5)³ = 13.5
2.0           36(2) - 24(2)² + 4(2)³ = 8
1.7           36(1.7) - 24(1.7)² + 4 (1.7)³ = 11.49
1.2           36(1.2) - 24(1.2)² + 4(1.2)³ = 15.55

Then you can guess that the maximum volume is pretty close to 16 and it is whenx is close to 1.
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