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allochka39001 [22]
3 years ago
12

The ratio of the number of boys to the number of girls in a school is 5 : 7. If there are 600 students in the school, how many a

re girls?
Mathematics
1 answer:
enot [183]3 years ago
4 0

Answer:

350 of the students are girls.

Step-by-step explanation:

5+7 = 12

600/12 = 50

50 x 7 = 350

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Step-by-step explanation:

We need to find average value of e^{2x} in [2,4]

Area of e^{2x} in [2,4] is given by

                  \int_{2}^{4}e^{2x}dx=\frac{1}{2}\times \left [ e^{2x}\right ]^4_2\\\\\int_{2}^{4}e^{2x}dx=\frac{1}{2}\times(e^8-e^4)=1463.18

Area of e^{2x} in [2,4] = 1463.18

Difference = 4 - 2 = 2

Average value = Area of e^{2x} in [2,4] ÷ Difference

Average value = 1463.18 ÷ 2

Average value = 731.59

Option B is the correct answer.

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