anonymous one year ago MEDAL AND FAN Solve 5^(2x) = 7^(x−1)

1. anonymous

answer choices 1.52864 -1 -1.52864 1

2. anonymous

You have to take Logarithm on both sides...

3. anonymous

Take Log to base 10 to both sides..

4. anonymous

5. anonymous

Is it? Show me how you got?

6. anonymous

Log 10 5^(2x)= LOG 10 7^(x-1)

7. anonymous

Yes, what you did next?

8. anonymous

Use power rule of Logarithms which is: $\log(m^n) = n \cdot \log(m)$

9. anonymous

10. anonymous

Really? You can show all the steps you did? or wait, let me check that once..

11. anonymous

i skip some step but i feel like that the answer

12. anonymous

You feel or you have solved it?

13. anonymous

i feel like it is the answer

14. anonymous

Good..

15. anonymous

16. anonymous

A house cost \$120,000 when it was purchased. The value of the house increases by 10% each year. Find the rate of growth each month and select the correct answer below.

17. anonymous

0.797% 0.00797% 0.833% 0.00833%

18. anonymous

is the answer the first one?