A= 3
b= 4
=3.14(a^2 + ab)
substitute the given a & b values in expression
=3.14((3)^2 + (3*4))
multiply inside parentheses
=3.14(9 + 12)
add inside parentheses
=3.14(21)
multiply
=65.94
ANSWER: 65.94
Hope this helps! :)
2800-2100=700
2800/700=4
4% decrease
Answer:
$1.54
Step-by-step explanation:
18% of $15.85 is 2.853, so your total is $18.703
20% of $14.30 is 2.86, so their total is $17.16
So the difference is $1.543, rounded (since your dealing with money) would be $1.54
Answer:
-7/48 in
Step-by-step explanation:
Assuming that the movement varies linearly with time,
3 years ------> -7/16 in
1 year -------> -7/16 ÷ 3 = -7/48 in
