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How to find the frequency of the fundamental of a 1.5 meter long string that weighs 3.3 grams that has a tension of 86N? Which element has the core electrons 1s22s22p6? 1) He 2) O 3) Be 4) Na? What values of a would give a function f(x) = ax + 2 cosx where there aren't any local mins or maxs? Do you agree with the Meteorologist who now say the weather cycles every XX days? The sum of two numbers is 25. The sum of the smaller and 4 times the larger is 67. Find the numbers and write the equations using X and Y.?