Answer:
$95.38
Step-by-step explanation:
step 1
Find the area of one button
The area is equal to

we have
---> the radius is half the diameter
Convert to meters

assume

substitute

step 2
Find the area of 1,00 buttons
Multiply by 1,000

step 3
Find the cost
Multiply $15 per square meter by the total area of 1,000 buttons

8484.79-4854=3,630.79,,3630.79=4854*17 r,,r=4.4%
Answer:
45
Step-by-step explanation:
You have 2+2 in each 2 there are 1's so
2=(1+1) 2=(1+1) =4
4=1+1+1+1
2+2=4
think of 2's as 1's when adding did you know 2x2= 4 as well.
Answer:
x>4
Step-by-step explanation: