Answer:
1 1/4
Step-by-step explanation:
x=2, y=3, and z=1
1/2(2)+3/4(3)=1+3/12=1 1/4
Answer:
What ratio, and give me more details and I will come back and edit my answer.
Step-by-step explanation:
Answer:
Row 2
Step-by-step explanation:
To find the mean, we add all the numbers and divide by the number of numbers
Row 1:
(6+5+3+0+4)/5 = 18/5 = 3.6
Row 2:
(4+5+3+5+6)/5 = 23/5 = 4.6
Row 3:
(7+1+4+5+3)/5 = 20/5 = 4.0
Row 4:
(4+2+5+6+3)/5 = 20/5 = 4.0
The greatest mean , or the largest mean is 4.6 or Row 2
Answer:
We have a small circle, that is dilated by a factor of 5/3 creating a larger circle.
If the smaller circle has a diameter D, then after the dilation, the larger circle will have a diameter equal to: (5/3)*D
We know that the area of the larger circle is:
A = 100*pi cm^2.
And the area of a circle of diameter d, is:
a = pi*(d/2)^2
knowing that the diameter of the large circle is (5/3)*D, we can find the value of D.
A = pi*( (5/3)*D/2)^2 = 100*pi cm^2
let's solve this for D:
pi*( (5/3)*D/2)^2 = 100*pi cm^2
( (5/3)*D/2)^2 = 100 cm^2
( (5/3)*D/2) = √(100 cm^2) = 10cm
D/2 = (3/5)*10cm
D = 2*(3/5)*10cm = 12cm.
Then the area of the smaller circle will be:
a = pi*(D/2)^2 = pi*(12cm/2)^2 = pi*(6cm)^2 = pi*36 cm^2
and pi = 3.14
a = pi*36 cm^2 = 3.14*36cm^2 = 113.04 cm^2
