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N76 [4]
3 years ago
15

Which expressions are equivalent to 16 x 4 minus 64 check all that apply

Mathematics
2 answers:
I am Lyosha [343]3 years ago
5 0
I’m pretty sure it is choice 1, 3, and 4
Reika [66]3 years ago
3 0
Oof I was going to answer this but it got me confusion.
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Helga [31]
It would be 18 I'm sure
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2 years ago
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An open-top rectangular box with square base is to be made from 100 square feet of material, as shown.
-Dominant- [34]

The largest possible volume of the given box is; 96.28 ft³

<h3>How to maximize volume of a box?</h3>

Let b be the length and the width of the base (length and width are the same since the base is square).

Let h be the height of the box.

The surface area of the box is;

S = b² + 4bh

We are given S = 100 ft². Thus;

b² + 4bh = 100

h = (100 - b²)/4b

Volume of the box in terms of b will be;

V(b) = b²h = b² * (100 - b²)/4b

V(b) = 25b - b³/4

The volume is maximum when dV/db = 0. Thus;

dV/db = 25 - 3b²/4

25 - 3b²/4 = 0

√(100/3) = b

b = 5.77 ft

Thus;

h = (100 - (√(100/3)²)/4(5.77)

h = 2.8885 ft

Thus;

Largest volume = [√(100/3)]² * 2.8885

Largest Volume = 96.28 ft³

Read more about Maximizing Volume at; brainly.com/question/1869299

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4 0
1 year ago
Please help with this question it is super important
Lunna [17]

Answer:

P=7

Step-by-step explanation:

3 0
3 years ago
Juan texts 20 messages in 5 minutes. At this rate how many text messages can he send in 30 minutes
pochemuha
<h2>Answer:</h2>

The answer 120 MESSAGES

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I am so stupid but I hope someone can help with this one.
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I'm sure your not that stupid just post a qeustion and I will help you.
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