Given:
Required:
To find the probability that the dart land will be in the shaded region.
Explanation:
Area of the circle is given by the formula:
Where r = radius
Thus the area of the circular region
The area of the square is given by the formula:
Thus the area of the given square
The probability of an event is given by the formula:
The probability that the dart land will be in the shaded region
Thus probability
Final answer:
Thus the probability that the dart land will be in the shaded region is 0.349.
Answer:
(23 x 14 )/ .2 = 1610
Step-by-step explanation:
Answer:
4 1/5
Step-by-step explanation:
(2*3 is the same as 2x3 in multiplication)
Since in a week there are 7 days, you multiply the number of days to the distance walked per day. Which is 7*(3/5), or (3/5)*7
So (3/5)*7=4 1/5 or 4.2
(3/5)*7 equals
(3/5)+(3/5)+(3/5)+(3/5)+(3/5)+(3/5)+(3/5)=(21/5)
There are four 5's in 21, so it is 4 wholes.
4 an the remaining 1 over 5
=4 1/5
C
one way to solve is to use the method of completing the square
subtract 3 from both sides
x² - 2x = - 3
add ( half the coefficient of the x-term )² to both sides
x² + 2(- 1 )x + 1 = - 3 + 1
(x - 1)² = - 2
take the square root of both sides
x - 1 = ± √(- 2) = ± i√2 ( add 1 to both sides )
x = 1 ± i√2 → C
I'm going to show you two ways to do it.
Way #1 is the slogging way.
Way #2 is the clever way.
Way #1:
' One hundred percent ' means ALL of something.
ALL of the students in the school is the same as 100% of them.
If 10% are absent, then 90% are present.
90% means 0.9 .
1620 students = 90% of the school.
1620 = 0.9 x school total
Divide each side by 0.9: 1620/0.9 = total school
1800 = total school
How many were absent ?
10% of them.
10% means 0.10 .
0.10 x 1800 = 180 students absent .
_______________________________________
Way #2:
' One hundred percent ' means ALL of something.
ALL of the students in the school is the same as 100% of them.
==> If 10% are absent, then 90% are present.
==> The number of students present is 9 times the number who are absent.
1620 = 9 x the number absent
Divide each side by 9 : 1620 / 9 = the number absent
1620 / 9 = 180 absent .
