Answer:
31 over 3
Step-by-step explanation:
Answer:
x =-2
Step-by-step explanation:
log 15 = log(7 - 4x)
The terms inside the log functions must be the same
15 = 7 -4x
Subtract 7 from each side
15-7 = 7-4x-7
8 = -4x
Divide each side by -4
8/-4 =-4x/-4
-2 =x
Answer:
1,100
Step-by-step explanation:
The ratio is 5:3
It is asked for oatmeal
Therefore the ratio of the needed object (the oatmeal) is 3
Total ratio is 8 (5+3)
Total number (of cookies) is 40
Therefore,
3/8 ×40 = 15
Therefore the number of oatmeal cookies is 15