Chapter 5
3 scooters and 3 bikes.
1/1
Find the radius of a circle with a diameter of 10 inches.
5 inches.
Write the word sentence as an equation.
7 times a number s is 84.
7s=84
Write the word sentence as an inequality.
A number x is less than 5.
x<5
What is a function?
Relationship that pairs one input with exactly one output.
Write a unit rate for the situation.
$54.00 for 3 tickets.
$18.00 per ticket
Find the circumference of a circle with a diameter of 4 feet. Use 3.14 for pi.
12.56 ft
Solve the equation.
m/13 = 30
m = 390
Tell whether the given value is a solution of the inequality.
5n>20; n=3
No
15<20
Write an equation for the function.
"The output is 6 less than the input."
y = x-6
How far does a train travel in 5 hours if it moves 100 miles in 2 hours?
250 miles
Find the area of a circle with diameter 70 inches. Use 3.14 for pi.
3846.5 in.2
Write and solve an equation to find the missing dimension of the figure.
30 = 1/2(10)(x)
x = 6ft
Solve the inequality.
9j-3 < 15
j < 2
Tell whether (3,2) is a solution of y = 2x-4
Yes
A radio DJ plays 34 songs in 3 hours. At this rate, how many songs will the DJ play in 5 hours?
56 2/3 songs
A museum plants to rope off the perimeter of the L-shaped exhibit. How much rope is needed?
200 ft.
A circular place mat has a circumference of 56.52 centimeters. What is the diameter of the placemat?
18cm
The U.S. Postal Service delivers letters that weigh up to 3.5 ounces. Write an inequality to represent the weight of a letter you can mail.
L <= 3.5
Does the graph represent a linear function?
Yes, graph is straight line.
Find the mean price of the MP3 players.
$89, $240, $120, $99, $150, $179, $75
$136
Find the area of the figure. Use 3.14 for pi.
623 m2
You carry 7 boxes of dictionaries to the library and the librarian carries 8 boxes. Each box has the same weight. The total weight of all the boxes is 210 pounds. Write and solve an equation to find the weight of each box.
15b = 210
b = 14 pounds
A soccer team will sell T-shirts for a fundraiser. The company that makes the T-shirts charges $8 per shirt plus a $20 shipping fee. The team plans to spend no more than $400. Write and solve an inequality to represent the number of T-shirts the team could order.
8t + 20 <= 400
t <= 47
Does the table represent a linear function?
No, graph is not straight line