The inverse variation equation shows the relationship between wavelength in meters, x, and frequency, y. y=3x10^8/x what are the wavelengths for x-rays with frenquency 3x10^18

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate