kaayriana
kaayriana kaayriana
  • 24-01-2017
  • Mathematics
contestada

(mz^3 ​​ )(−2z ​n ​​ )=24z ^4 ​​ What is M and N ?

Respuesta :

yusufharrison yusufharrison
  • 24-01-2017
M=12/n
N=12/m

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apologiabiology
apologiabiology apologiabiology
  • 24-01-2017
assuming you had (mz³)(-2zn)=24z⁴
expand
remember
(ab)(cd)=(a)(b)(c)(d), associative/commutative

so

(m)(z³)(-2)(z)(n)=24z⁴
(-2)(m)(z³)(z)(n)=24z⁴
(-2)(m)(z⁴)(n)=24z⁴
-2mnz⁴=24z⁴
divide both sides by z⁴
-2mn=24
divide both sides by -2
mn=-12

m=-12/n
n=-12/m
Answer Link

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