There is a total of 45 boys and girls in a choir.
The mean age of the 18 boys is 16.2 years.

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Mathematics, 23.03.2021 23:10 poppygirl193

# There is a total of 45 boys and girls in a choir.
The mean age of the 18 boys is 16.2 years.

The mean age of the 27 girls is 16.7 years.

Calculate the mean age of all 45 boys and girls.

Answers: 3

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Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

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When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

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[15 points, algebra 2]simplify the complex fraction and find the restrictions.

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