P=44.6
P=a+b+√a^2+b^2=11+15+√11^2+15^2≈44.6
9514 1404 393
Answer:
7%
Step-by-step explanation:
The tax rate is the ratio of tax to pre-tax cost:
$4.20/$60.00 = 0.07 = 7%
The constant of variation (tax rate) is 7%.
The total amount of balls there are is : 8 + 2 + 1 + 3 + 5 = 19 (balls)
There are 5 footballs in the bag, so the probability of you selecting a football is 5 : 19 = 5/19