Answer:
a) 0.46
b) (2341.39, 3230.61)
c) For those Russians who do smoke, estimate the number of cigarettes smoked per day.= 23
Step-by-step explanation:
check below for more detailed solution
Step-by-step explanation:
P(X)=2x²-5x-3 is in the form ax²+bx+c
Using quadratic equation
x={-b±√(b²-4ac)}/2a
x=3,-1/2
5/9 * 2*5+4/5
5/9 * 10 + 4/5
5/9 * 14/5
5 * 14/9 * 5
70/9*5
70/45
14/9
1 5/9.
360 kilometers is 24 percent of 1500 kilometers. Hope it help!
Answer:
A = 225 m ^2
Step-by-step explanation:
The perimeter of a square is found by
P =4s where s is the side of a square
60 = 4s
Divide each side by 4
60/4 =4s/4
15 = s
Now we need to find the area
A = s^2 for the area of a square
A = 15^2
A = 225 m ^2
