Two-Step Equations
Solve for the value of x.
x+(-11)=27
x=38
In the data set below, what is the median?
29 23 19 19 30 21 19
21
Evaluate the following expression:
(3)(4)/(7+9-10)
2
What operation can you use to find a scale factor of two figures?
division
What formula is used to find the circumference of a circle?
C=2(pi)r
C=(pi)d
Solve for the value of y.
13y+1=92
y=7
In the data set below, what is the lower quartile?
29 23 19 19 30 21 19
19
Evaluate the following expression:
7/(4*2+9-10)
1
What operation can you use to find a constant of proportionality?
division
What formula is used to find the area of a circle?
A=(pi)r^2
Solve for the value of t.
35t-35=70
t=3
In the data set below, what is the upper quartile?
29 23 19 19 30 21 19
29
10
What operation do you use to find a percentage of a total?
multiplication
What is the circumference of a circle that has a diameter of 8.7 meters. Use 3.14 for the approximate value of pi.
C=27.318 m
Solve for the value of m.
4(m+98)=16
m=-94
In the data set below, what is the interquartile range? 29 23 19 19 30 21 19
10
Evaluate the following expression for r=-1.2
5r
-6
Kenny's class is having a holiday party, and he is in charge of bringing juice. He decides to bring powdered juice mix and add water to it at school. For 5 liters of water, he adds 3 scoops of powdered juice mix.
What is the constant of proportionality? Write your answer as scoops per liter.
3/5 scoops per liter
What is the area of a circle with a radius of 5 cm? Use 3.14 for the approximate value of pi.
A= 78.5 cm
(p-33)/4 = 8
p=65
In the data set below, what is the interquartile range? 3 7 5 6 4 5 5
2
Evaluate the following expression:
(5/6)+(3/4) divided by (3/5)^2
2 11/12 or 35/12 or 2.92
What is the central angle of a sector that covers 45% of a circle graph?
162 degrees
What is the area of a circle that has a diameter of 8.7. Use 3.14 for the approximate value of pi. Round your answer to the nearest hundredth.
A=59.42 sq m