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marshall27 [118]
3 years ago
6

There are x boys playing in the park. The number of girls playing in the park is equal to the square root of the number of boys.

If the total number of boys and girls playing in the park is 42, find the number of boys. A. 36 B. 6 C. 49 D. 7

Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

Answer:

Option A. 36

Step-by-step explanation:

Let

x-------> the number of boys

y------> the number of girls

we know that

x+y=42 -----> equation A

y=\sqrt{x} -----> equation B

using a graphing tool to solve the system of equations

Remember that the solution is the intersection point both graphs

The solution is the point (36,6)

see the attached figure

therefore

The number of boys is 36

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