- A, B, and C, are matrices: A(B+C)=AB+CA Is it always true, sometimes true, or false?

Discover Questions

A double open ended tube is resonat in its 5th harmonic. the speed of sound is 343 m/s and the frequency is 3000 hz. Length of tube? He number 8.314 written in scientific notation becomes? How many grams of NaCl, m.w. 58.5 daltons, are necessary to make 1 liter of 5 percent saline? Why does people give you that intense feelings? 1)If cosA= 4/5 find the exact value of cos2A? 2)if tanA = 3/4 find the exact value of sin2A?