Answer:
7x+12
Step-by-step explanation:
length=x
width=x
area=x²
new length=x+3
width=x+4
area=(x+3)(x+4)=x²+7x+12
increase in area=x²+7x+12-x²=7x+12
$94,400
Since you are making 18% more, you must find 18% of 80,000 (multiple 80000 by.18) and add it to the original value of 80,000. Alternatively, you can just multiply 80,000 by 1.18
Answer:
i think 6.44
Step-by-step explanation:
first the diameter is 4.6 then multiply the 4.6 with 1.4 and u obtaine 6.44 (note:iam not sure iam still in seven grade)
The mean is the same thing as the average, so just add all of the numbers up and divide the total number of numbers.
(13 + 14 + 14 + 16 + 16 + 16 + 16 + 18 + 19)/10 = 16