Alright so
5^4m = 5^12
cancel the bases
4m=12
divide by 4
m=3
The game cost $270 & she had $60 & is going to save $30 a week. It would take Reese 7 weeks to save enough money to buy the system.
$270-$60=$210
$210÷$30=7
7 Weeks
Answer:
A. None correct
Explanation:
We can use the <em>power rule</em> for logarithms
:
The logarithm of the nth power of a quantity is n times the logarithm of the quantity.
In symbols, ln(xⁿ) = nlnx.
Apply the power formula.
This answer is not in your list.
The correct answer is A. None correct.
Step-by-step explanation:
4:3
4+3=7
4x + 3x= 7x
7x is the total sq.cm which is 300
7x= 300
x= 300/7
= 42.8
length= 4x
= 4 × 42.8
= 171.42
breadth= 3x
= 3 × 42.8
= 128.4