The E above middle C is halfway between middle C which has a frequency of 261.63 Hz and the G sharp above middle C which has a frequency of 415.30 Hz. Use a proportion to find the approximate frequency of the E above middle C.

Question 5 spring semester final exam math evaluate

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?