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Glencoe Algebra 1 (Homework)

James Finch

Math - High School, section 1, Fall 2010

Instructor: Dr. Friendly

Current Score : 15 / 15

Due : Saturday, August 14, 2010 19:00 EDT

About this Assignment

Question
Points
1 2 3 4 5
3 4 4 1 3
Total
15/15 (100.0%)

Description

Here are some textbook questions from Glencoe Algebra 1 1/e by Collins et al. published by Glencoe/McGraw-Hill. Click here for a list of all of the questions coded in WebAssign.


Instructions

This demo assignment allows many submission and allows you to try another version of the same question for practice.



1. 3/3 points All Submissions Notes Question: GALG198 1.1.48.
Question part
Points
Submissions
1 2 3
1 1 1
3/50 2/50 1/50
Total
3/3
 
According to Smart Money magazine, in New York City, the average teenage babysitter makes $8 per hour for a Saturday night. In Atlanta, the average teenage babysitter makes only $3 per hour.
(a) Write an expression representing the amount of money that the average teenage babysitter in New York City makes for working x hours on a Saturday night.
Enter a mathematical expression.
Click here to preview your answer.Your answer is correct.
(b) Write an expression representing the amount of money that the average teenage babysitter in Atlanta makes for working x hours on a Saturday night.
Enter a mathematical expression.
Click here to preview your answer.Your answer is correct.
(c) Write an expression representing the difference between the amount of money that the New York babysitter makes and the Atlanta babysitter makes for working x hours on a Saturday night.
Enter a mathematical expression.
Click here to preview your answer.Your answer is correct.

Click here for help with symbolic formatting.

2. 4/4 points All Submissions Notes Question: GALG198 2.1.43.
Question part
Points
Submissions
1 2 3 4
1 1 1 1
1/50 1/50 1/50 1/50
Total
4/4
 

Meteorology Windchill factor is an estimate of the cooling effect the wind has on a person in cold weather. Meteorologists use a chart like the one below to predict the windchill factor. Use the chart below to find each windchill factor.


(a) 30°, 0 mph
Enter a number.
Your answer is correct.°F
(b) 0°, 10 mph
Enter a number.
Your answer is correct.°F
(c) -20°, 15 mph
Enter a number.
Your answer is correct.°F
(d) -10°, 5 mph
Enter a number.
Your answer is correct.°F


3. 4/4 points All Submissions Notes Question: GALG198 2.3.58.
Question part
Points
Submissions
1 2 3 4
1 1 1 1
1/50 1/50 1/50 1/50
Total
4/4
 
Find the sum or difference.
[ 14 ] + [ 01 ]
6 -7 -1 -6
Answer the question using the form [ AB ].
CD


A =
Enter a number.
Your answer is correct.
B =
Enter a number.
Your answer is correct.
C =
Enter a number.
Your answer is correct.
D =
Enter a number.
Your answer is correct.

4. 1/1 points All Submissions Notes Question: GALG198 3.4.47.
Question part
Points
Submissions
1
1
1/50
Total
1/1
 
Mountain Climbing Rapelling is a technique used by climbers to make a difficult descent. Climbers back to the edge and then spring off. To avoid slipping, the climber's legs should remain at a 90° angle with the side of the ledge. The ledge at the right is A = 52° off the vertical. What is the measure of the climber's angle with the vertical?
Enter a number.
Your answer is correct.°



5. 3/3 points All Submissions Notes Question: GALG198 4.3.45.
Question part
Points
Submissions
1 2 3
1 1 1
1/50 1/50 1/50
Total
3/3
 
Solve the right triangle. State the side lengths to the nearest tenth and the angle measure to the nearest degree.

In the right triangle above, D = 29° and E = 20 m.
Enter a number.
Your answer is correct. m (length of AC)
Enter a number.
Your answer is correct. m (length of BC)
Enter a number.
Your answer is correct.° (measure of angle B)
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