Rational Number
A negative divided by a negative is always equal to a _________________.
Positive
Solve the equation:
-3x + 18 = 27
x = -3
Solve the proportion:
6/20 = x/100
x = 30
What is the area of a circle, that has a diameter of 12 ft? (Use 3.14 for pi)
113.04 square ft.
What is the probability of rolling a number cube and it landing on a 1 or 5? (Reduce your answer, if necessary.)
1/3
NO CALCULATOR
What is 2/3 as a decimal?
0.6666...
NO CALCULATOR
Simplify the expression
-2(4x+5)+3(2x+7)
-2x + 11
All proportional relationships are ____________ lines and go through the _____________.
straight lines & the origin
What is the circumference of a circle that has a radius of 15 inches? (Use 3.14 as pi)
94.2 inches
What is the median of the numbers in the data set?
16, 25, 12, 36, 52, 45, 18, 76, 55
36
NO CALCULATOR
-32.72 - (-8.4)
-24.32
Solve the equation:
1860=4(240+x)
x = 225
Bryce is going to lunch with his friends. If the bill for lunch is $12 and he leaves a 20% tip. What will the tip amount be?
$2.40
What is the volume of a rectangular prism that has a base area of 218 square meters and a height of 4 meters?
872 cubic meters or 872 m3
When asked, 18 of 22 students in first period are planning to study for their math TCAP test. If this pattern continues throughout the day, about how many students in all of 7th grade (204) will study for the math TCAP test?
167 students
An airplane makes several changes of altitude on a flight to Paris. Jane started recoding the height mid-flight when the airplane was 10,285 ft above sea level. It then descended 1,290 ft. before ascending 572 ft. What is the height now?
9,567 ft
Dominic invited 12 friends to his birthday party. How much can he spend per person on party favors if his budget is no more than $75?
6.25 or less
If Karley and her friend can paint 6/7 of a picture in 3/14 of an hour. How many pictures can the paint per hour?
4 pictures per hour
What is the surface area of a cube that has side lengths of 6 cm?
216 square cm.
A smart tablet manufacturer found that 1 out of 125 screens had defects. How many defective screens should the manufacturer expect out of 4,500 smart tablets?
36 smart tablets
What number is the same distance from 8 on the number line that -2 is? (In the other direction)
18
Solve the inequality:
-6.3x + 18.9 > -56.7
x < 12
Bryanna made a 26 out of 36 on her ACT. If the score was a percent grade, what grade would that be? (Round to the nearest tenth.)
72.2
Chandra is buying wallpaper for one of the walls in her living room. She made a scale drawing of the wall, where 1 in=4 ft. In the drawing, the length was 3.5 inches and the height was 2.25 inches. If she plans to buy wallpaper that is $1.79 per square foot, how much will it cost her to wallpaper the wall?
$225.54
What is the interquartile range of the data set?
7, 50, 12, 32, 41, 18, 25
IQR = 29