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ycow [4]
3 years ago
10

of the 50 students particapating in after school sports ,30% of them turned them in .How many students turned in their physical

form
Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0

Answer:

15

Step-by-step explanation:

30% of 50 is 15 beacuase 50 is 1/2 of 100, and of 100 students 30 would have submtted forms. 1/2 of 30 is 15 which s the number of students that turned n forms

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We are given the functions:

<span>S (p) = 40 + 0.008 p^3                                     ---> 1</span>

<span>D (p) = 200 – 0.16 p^2                                     ---> 2</span>

 

T o find for the price in which the price of supply equals demand, all we have to do is to equate the two equations, equation 1 and 2, and calculate for the value of p, therefore:

S (p) = D (p)

40 + 0.008 p^3 = 200 – 0.16 p^2

0.008 p^3 + 0.16 p^2 = 160

p^3 + 20 p^2 = 20,000

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Calculating for the roots using the calculator gives us:

p = 21.86, -20.93±21.84i

 

Since price cannot be imaginary therefore:

p = 21.86

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3 years ago
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3 years ago
Simply
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Answer:

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when dividing the same base, subtract the powers.

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