steph12 steph12

17-04-2015
Mathematics

contestada

(25^(-x+2))=((1/5)^x)

Respuesta :

konrad509 konrad509

17-04-2015

[tex]25^{-x+2}=\left(\dfrac{1}{5}\right)^x\\ 5^{2(-x+2)}=5^{-x}\\ 2(-x+2)=-x\\ -2x+4=-x\\ x=4 [/tex]

Answer Link

Otras preguntas

Within 10 years of the death of Muhammad, all of the Middle East was under Arab control, EXCEPT __________.

Find the unknown digit to make each statement true 5.345>5.34_>5.343

What is the common factor of 49 and 50?

How are the two 9's in this number related 709,946,107

round to the place of the underlined digit624,531463,356

What are the factors of 32?

4 Muffins on each plate. There are 0 plates of lemon muffins. How many lemon muffins are there?a:4b:2c:1d:0

What is the difference between a dependent variable and an independent variable?

If y + 2q = 15, q + 2p = 5 and p + 2y = 7, then ﬁnd the value of p + q + y.

Write the sum of the numbers as the product of their gcf and another sum Problem: 30+54