Assuming you have log in base 2.
Join logarithms (always):
log2(6-2x)-log2(x) = log2( (6-2x/x) )
Then get rid of it! :)
(6-2x)/x = 2^3=8,
Solve the equation:
6-2x=8x ---> 10x=6 ---> x = 3/5.
Answer:
She didn't put the sign's in the proper place, it should be ( x + 3 ) ( x - 7 )
Step-by-step explanation:
( x - 3 ) ( x + 7 ) = x² + 7x - 3x - 21 = x² + 4x - 21
( x + 3 ) ( x - 7 ) = x² - 7x + 3x - 21 = x² - 4x - 21
Answer:
146 people
Step-by-step explanation:
The formula for mean = sum of values/number of values
For Monday to Friday , the average number of people that came = 98
Hence, the total number of people that came is calculated as:
Number of people that attended Monday to Friday = 98 × 5 = 490 people
The number of people that came on Saturday = 162 people
The mean average for the whole week is 114.
The number of days in a week = 7 days
The number of people that came in on Sunday is represented = x
Therefore,
490 + 162 + x/7 = 114
Cross Multiply
652 + x = 798
x = 798 - 652
x = 146 people
Therefore, 146 people visited on Sunday
