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Setler [38]
3 years ago
15

In the Kite Club, there are a total of 23 kids. There are 7 more girls than boys. Write two equations below to represent the sit

uation. Then, graph to find the number of boys and girls in the club.
Mathematics
2 answers:
mojhsa [17]3 years ago
6 0

Answer:

15 girls

Step-by-step explanation:

Iteru [2.4K]3 years ago
4 0

Answer:

b + b + 7 = 23

2b + 7 = 23

Step-by-step explanation:

b = girls

b + 7 = boys

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musickatia [10]

Answer:

A and D

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Bumek [7]

Answer:

V(x)=(4x^{3}-40x^{2}+100x)\ cm^3

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Step-by-step explanation:

<em><u>The question is</u></em>

What is the volume of the open top box as a function of the side length x in cm of the square cutouts?

see the attached figure to better understand the problem

Let

x -----> the side length in cm of the square cutouts

we know that

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V=LWH

we have

L=(10-2x)\ cm

W=(10-2x)\ cm

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substitute

V(x)=(10-2x)(10-2x)x\\\\V(x)=(100-40x+4x^{2})x\\\\V(x)=(4x^{3}-40x^{2}+100x)\ cm^3

Find the domain for x

we know that

(10-2x) > 0\\10> 2x\\ 5 > x\\x < 5\ cm

so

The domain is the interval (0,5)

The domain is all real numbers greater than zero and less than 5 cm

therefore

The volume of the open top box as a function of the side length x in cm of the square cutouts is

V(x)=(4x^{3}-40x^{2}+100x)\ cm^3

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