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queenkimm26
26.08.2019 •
Mathematics
John's age is 2 years more than twice as old as mary. the sum of their ages is 32. how old is each? (pls include equation and solution thx)
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Ответ:
J = John
Equation:
J = 2M + 2
M = ( J - 2 ) / 2
J + M = 32
J = 22
M = 10
2 * 10 = 20 + 2 = 22 = Johns age
Sorry, I can't figure out an equation. Just did trial and error
Ответ:
Ответ:
Step-by-step explanation:
x^2=4^2+4.7^2
x^2=38.09
x=√38.09
x=6.1717
x=6.2(nearest tenth)
Note that x=radios of the circle