Answer:
6 more times
Step-by-step explanation:
First remember 75, 27 away from 102.
BUT hes getting more each day... 4.5 x 6 = 27
which means he will have to visit 6 more times!
:D
Answer:
11
Step-by-step explanation:
if the average of 6 number is 6, then the sum of those 6 numbers = 6 x 6 = 36
Therefore, the 6th number is: 36 - 25 = 11
By the chain rule,
When
, we get
, so at this point the partial derivative of
with respect to
takes on a value of
ax+by=20
a represents how many first items you bought
x represents the cost of the first item
b represents how many second items you bought
y represents the cost of the second item