exam
Maths Puzzle
Numerical Ability
The approximate population of San Jose was 460,000 in 1970. In 1980 it was 630,000. Find k in the growth formula and estimate the population in 2020.
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Can someone help me on this?
Is 4 a solution to the equation x + 7 = 11 ?
Thanks,
Adriana
solve
(x-5)^2=7