Solving one and two-step equations
h+3=9
h=6
3m-20+5m=9
m=4.14
What is the circumference of a circle?
The circumference of a circle is the distance around a circle.
4m > 20
4m/4 > 20/4 = m > 5
What is the mean of the following numbers?
2,6,8,10,4,5,6,2,9,7,3,1,12
The mean of those numbers is 6.25
x/5=25
x=125
9n+6(n-4)=54
n=5.2
What is the radius?
The radius is a segment from the center of a circle to any point on the circle.
2h < 12
2h/2 < 12/2 = h < 6
What are the medians of the following numbers?
13,15,15,18,20,24,26,32,41,50
The medians of those numbers are 20 and 24.
5=4x+9
-1=x
4(2x+5)=24
x=0.5
What is the diameter?
The diameter is a segment across the circle through its center.
6(2y - 4) -5 < 3
y < 2.6
What is the mode of the following numbers?
2,6,6,8,9,4,4,4,4,10,12,16,16,24,20
The mode of these numbers is 4.
x/4-9=-5
x=16
5(6h+4)=36
h=0.53
What is the area of a circle?
The area of a circle is the total number of square units that fits inside the circle.
5(3y-2) -4 < 7
y < 1.4
What are the mean and MAD of these numbers?
4,6,8,9,7,6,2,10,14,16,24,28,21,32
The mean of those numbers is 13.4.
The MAD of those numbers is 7.8.
9=4b+5
1=b
3(2d+4)=27
d=2.5
What is pi?
Pi is the ratio of circumference to diameter.
3(6y + 9) +8 < 10
y > 1.4
What is the mean of these numbers?
2,6,8,4,5,9,14,16,10,20,26,24,29,32
The mean of these numbers is 14.6.