Review
How many triangles can be made given the side lengths: 6, 5, 8? One, many, or none.
One
What is the area formula for a circle?
A = 3.14r^2
What is the circumference formula for a circle?
C = 3.14 d
Matt is making pancakes, and the recipe calls for 3/4 cup of flour. He wants to make half the recipe.
How much flour will he need?
3/8
The distance on the map between two locations is 2.25 inches. If 1 inch = 24 miles, what is the actual distance between the two locations?
54 miles
Karlee is visiting famous monuments in Washington, DC. She walks 1/2 mile every 1/8 hour. What is her walking rate in miles per hour.
4 miles per hour
Company A earnings:
$45,600 $48,300 $52,100 $49,850 $45,800
Company B earnings:
$51,200 $45,300 $44,200 $74,800 $46,400
Find the mean of both companies.
Company A: $48,330
Company B: $52,380
What determines a representative sample?
The sample represents the population.
What determines a random sample?
Everyone has an equal chance of being surveryed.
James has 4 1/2 feet of materials to make bookmarks. She will use 9 inches of material for each bookmark. How many bookmarks can he make?
6
The tax charged for an item is directly proportional to the price of the item. For an item with the price of $4.80, the total with tax is $5.04. What equation represents this relationship.
(Hint: should be in the form of y=kx)
y = 1.05x
k = y/x
The dimensions of a quilt are 7 1/2 and 5 1/2 yards. The quilt is made of square tiles with side lengths of 1/2 yards. How many tiles are in the quilt?
165
9 - (3x + 6) = 12
Solve for x.
x = -3
Solve.
10 - 2.5 (-9 / -0.75)
-20
The variables x and y are in a proportional relationship. If x=1/4 and y=6, solve for the constant of proportionality in the equation y=kx.
24
-15 + (-5) + 3 = ?
-17
Anna saved $30 each month for 2 3/4 years. She spent 75% of her savings on a computer. How much money will she have left?
$247.50
Baylee is reading a book for school. She read 1/3 of the book on Monday, 1/4 on Tuesday, and 2/5 on Wednesday.
How much of the book does she have left to read?
1/60
A student writes the expression 0.55f + 0.55p to represent the cost of purchasing folders and pencils from the school store. Which expression also represents this?
A) 0.55 (f + p)
B) 0.55 (fp)
C) 1.10 (fp)
D) 1.10 (f + p)
A
One lap around the school is 1/6 of a mile. Kaylee ran 7 laps around the school in 10 minutes and 30 seconds. What was Kaylee's average speed in miles per minute?
1/9
The total number of packages delivered by mail carriers can be represented by the equation p = 84m. What is the constant of proportionality in this equation?
A) 21
B) 84
C) 42
D) 168
B
Two angles can be added together to form a supplementary angle. Angle 1 = 4x and angle 2 = 120.
What is the value of x?
x = 15
If a cube is rolled 180 times, how many times will the number cube land on an odd number less than 5?
60 times
A student opens a savings account with an initial deposit of $500. The account earns 2.2% interest per year.
If the student makes no additional deposits to or withdrawals from the savings account, what is the total amount in the account after 6 years?
$566