Page 437 - Algebra 1

*11. Multi-Step Joseph lives 5 miles from the school and Maya lives 2 miles from the (63) school. If Joseph walks from his house in an opposite direction from the school
at a speed of 4 miles per hour, and Maya walks from her house in an opposite direction from the school at a speed of 6 miles per hour, after how long will they be the same distance from the school? What is that distance?
*12. Multiple Choice If y varies inversely as x, and y = 9 when x = 12, what is y when (64) x = 4?
A 3 B 5.3 C 27 D 108
13. Recycling Use the table to compare the mean value of the amount of waste (48) generated in the United States to the mean value of the amount of materials
recovered for recycling from 1960 to 2005. Write a statement based on this comparison.
Generation and Materials Recovery of Municipal Solid Waste, 1960–2005 (in millions of tons)
Activity
1960
1970
1980
1990
2000
2003
2004
2005
Generation
88.1
121.1
151.6
205.2
237.6
240.4
247.3
245.7
Materials Recovery
5.6
8.0
14.5
33.2
69.1
74.9
77.7
79.0
3a + 3 centimeters. How much trim will be used? 2a2 + 3a
Find each of the statistical measures below using the data in the plot.
8 5a + 1 __
14. Multi-Step A model sailboat calls for trim around the largest sail. The sail
(51) _
is triangular with side lengths 2a2 + 3a centimeters, 2a2 + 3a centimeters, and
15.
(62)
17.
(62)
19.
(54)
20.
(Inv 5)
median range
Annual Base Salary
at Marketing Associates
Stem Leaves
2 1, 1, 2, 2, 3, 3, 3, 6, 8
3 0, 1, 2, 6, 6, 9
4 2, 5, 8
5 3, 5, 7
6 4, 8
Key: 3 1 means $31,000
16. mode (62)
18. relative frequency of $22,000 (62)
422
Saxon Algebra 1
To calculate a personal body mass index, students first had to report their weight in pounds. Make a box-and-whisker plot of the weights below and determine if there is an outlier.
140, 145, 170, 157, 130, 155, 190, 180, 175, 120, 116, 118, 112, 103
Identify Statement 2 as the converse, inverse, or contrapositive of Statement 1. Then indicate the truth value of each statement.
Statement 1: If a figure is a rhombus, then it is not a rectangle. Statement 2: If a figure is a rectangle, then it is not a rhombus.
Health