Group y = 27 years,
Mathematics, 27.03.2022 04:00 Hakika
The average age of three groups of people is :
Group x = 11 years,
Group y = 27 years,
Group z = 51 years,
Group x and y = 17.2 years and
Group y and z = 32.6 years.
Find the average age of all the three groups.
Answers: 1
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The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
The average age of three groups of people is :
Group x = 11 years,
Group y = 27 years,
Group y = 27 years,
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