Answer:
636
Step-by-step explanation:
the area of the footpath=
(50m+3m+3m)^2-50^2
Product= the result of two numbers being multiplied together.
Sum= the result of adding numbers.
Integer= a whole number in the set of numbers containing zero, the natural numbers, and all of the negatives of the natural numbers.
factor x2-12x+35 using the AC method.
Consider the form x^2+bx+c. Find a pair of integers whose product is c and whose sum is b. in this case, whose product is 35 and whose sum is -12.
-7,-5
c) (x-5) (x-7)
Answer:
0.3056 or 30.56%
Step-by-step explanation:
The volume of the grapefruit with the peel is:

When removing the peel, the grapefruit diameter becomes 10 cm (take out 1 cm of peel from each side). The volume of the grapefruit without the peel is:

The percentage of the volume correspondent to the peel is given by the difference between both volumes, divided by the total volume:
30.56% of volume of the grapefruit is the peel.