What is the circumference of a circle with a radius of 7cm? Use 3.14 for pi
Use C = 2πr
43.96
Simplify the following expression: 2(x + 7)
2x + 14
Evaluate the following expression
when x = 4 and y = -2
2x2 - y
34
What is the ratio of a tall glass of orange juice to all juices? What is that ratio converted to a percent?
6/12 = 1/2
50%
What is the relationship of angles a and b?
Vertical Angles
Can line segments of the following lengths form a triangle? Explain
3 inches, 5 inches, 10 inches
No, because it doesn't work with the triangle inequality theorem a + b > c
3 + 5 < 10
Find the length of a rectangle with an area of 231 square inches and a width of 3 inches.
77 inches
Simplify the following expression: -4x - 7x + 9
-11x + 9
What is the area of a triangle with a base of 7 units and a height of 8 units? Use A = 1/2bh
28 square units
Solve
-8y + 2 = 50
y= -6
What is the constant of proportionality?
15
Find the probability of flipping a coin twice and having it land on tails the first flip and heads on the second flip?
1/4 or 25%
Convert this fraction to a percent. Round to the nearest whole percent.
7/12
58%
Dennis bought shoes on sale for 25% discount. If Dennis paid $150 for the shoes on sale, what was the original price of the shoes?
$200
What is the measure of the angle complementary to an angle that measures 32o ?
58o
Simplify (remember to use the correct order of operations)
4(-3 + 1) + 23
0
Write the equation that represents the situation below:
Tom works 40 hours and earns $800.
*Hint - find k first
Let y = total earnings and x = hours worked
y = 20x
Find the area of this polygon.
63 m2
You have a circle with a diameter of 10 cm. What is the area? Use A=πr2 and 3.14 = pi
78.5 cm2
Simplify 3x - 6 + (-2x) - 4
x - 10
What is the measure of the supplement of an angle that is 165o ?
15o
A car drives at a constant rate of 260 miles in 4 hours.
What is the constant of proportionality in this situation?
k = 65
Given the equation y = -3x, what is the constant of proportionality in this equation?
-3
If you have a bag with 20 markers ( 3 blue, 5 red, 7 green, 2 pink, 3 black), what is the probability of randomly picking a red marker, NOT replacing it, then picking a pink marker?
Write your answer as a SIMPLIFIED fraction.
1/38
Andrew went to a restaurant and wanted to leave the waitress a 20% tip. His bill was $73.56. What is his total cost including the tip?
Round to the nearest hundredth
$88.27
What is the height of a triangle with an area of 36 square units and a base of 12 units?
6 units
5
Does the expression 1.25x represent a percent decrease or a percent increase?
Increase
What is the value of the missing angle?
62 degrees
A triangle has these two angles: 60 degrees and 85 degrees. What is the measure of the third angle?
35 degrees