A= 40sq. in.

Find the value of x. If necessary, round to the nearest tenth.

8.9 inches

Step-by-step explanation:

Area of a triangle is equal to base times height divided by 2.

Base and height is x.

Solve for x.

Just like in the other question, we can write:

40 = x * x / 2

40 = x² / 2

x² = 80

x = ±√80 → √80 → 8.9

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies

step-by-step explanation: