$\dfrac{m^2n^{-5}}{m^7n^{-17}}=m^{2-7}n^{-5-(-17)}=m^{-5}n^{-5+17}=m^{-5}n^{12}\\\\=\dfrac{n^{12}}{m^5}\\\\Used:\\\\\dfrac{a^n}{a^m}=a^{n-m}\\\\a^{-n}=\dfrac{1}{a^n}$

4 0

3 years ago

Select all the expressions that are equivalent to 13 - x *

alina1380 [7]

You gave no options but the simplest way to solve this is to set it equal to all of the answers to see if it is correct.

7 0

3 years ago

Determine the amplitude and period of each function without graphing.

Luba_88 [7]

Answer:

Step-by-step explanation:

We know for a function:

y = Asinωt

=> on comparison, A = 5 m

=> T = 2π / ω

=> T = 2π / 2

=> T = π seconds

5 0

2 years ago