Ratios, Unit Rates, Proportions
The total cost of 100 pencils purchased at a constant rate is $39.00. What is the unit price?
$0.39
Simplify.
5x+10y+0z=
5x+10y
A. Every student in the 6th grade
B. John and Maggie's friends
C. The basketball team
D. A random group of students with students from each grade
D.
What is the measure of angle A?
57 degrees
Find the area of the rectangle.
27.09
One third od a quart of paint covers one fourth of a basketball court. How much paint does it take to paint the entire basketball court?
one and one third quarts
Which property is demonstrated below?
2+(8+3)=(2+8)+3
Associative Property of Addition
The following data set represents survey results on a scale of 1 to 10.
{8, 8, 9, 8, 6, 7, 7, 7, 8, 8, 6}
What is the mean, median, and mode?
Mean: 7.45
Median: 8
Mode: 8
What is the measure of angle B?
55 degrees
What is the surface area of a cube with the sides of length 2?
24 square units
If the ratio of the length of a triangle to its width is 3 to 2, what is the length of a rectangle whose width is 4 inches?
6 in.
Simplify.
-6(-10x+4)
60x-24
John has a deck of cards (52 cards). If John removes a number 2 card from the deck, what is the probability that he will pick a number 2 card at random?
3 out of 51
If the sum of the measures of angle A and angle B is 110 degrees, what is the measure of angle C?
125 degrees
What is the area of a circle with the diameter of 8 cm? Use 3.14 for pi.
50.24
Does the table show a proportional relationship?
Yes.
Write the equation for the following statement.
two times a number plus 4
2x+4
Jane has 6 apples, 4 oranges, 2 pears, and 3 peaches. She grabs one of the fruits without looking, what is the probabilty that she will not pick a peach?
Find the value of x.
x=50 degrees
What is the radius of a circle with a circumference of 125 cm? Use 3.14 for pi.
19.9 cm
Find the constant of proportionality and give an equation to represent the proportional relationship.
k=3
y=3x
Simplify the following.
2x
What is the mean absolute deviation of the following data set?
{1, 2, 3, 4}
1
If the measure of the first of two complementary angles is 68 degrees, then the measure of the second angle?
22 degrees
What is the area of the triangle?
24