Part 1 of 2 - Lesson 6 Questions
Question 1 of 40
2.5 Points
Use Cramers Rule to solve the following system.
x+y=7
x-y=3
A. cfw_(7, 2)
B. cfw_(8, -2)
C. cfw_(5, 2)
D. cfw_(9, 3)
Question 2 of 40
2.5 Points
Use Gauss-Jordan elimination to solve the system.
Online Exam 7_06
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Part 1 of 2 - Lesson 6 Questions
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Question 1 of 40
Use Cramers Rule to solve the following system.
x+y+z=0
2x - y + z = -1
-x + 3y - z = -8
A. cfw_(-1, -3, 7)
B. cfw_(-6, -2, 4)
Online Exam 8_07
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Part 1 of 1 - Lesson 8 Questions
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5.0/ 5.0 Points
Question 1 of 20
Write the first four terms of the following sequence whose general term is given.
an = 3n + 2
A. 4, 6, 10, 14
B. 6, 9, 12, 15
Student Name: Ileen Maynard
Student Identification Number: AC1112256
Course Number and Title: MA260 Statistical Analysis I
Assignment Number and Title: Assignment 06
Date of Submission: September 9, 2013
1. Compute the mean and variance of the following d
Sarah LaCourse
AC1205891
College Algebra MA240.2.1
Assignment 8_08
February 5, 2016
ASSIGNMENT 08
PART A
Use the numbers shown in the bar graph below to find the total cost of tuition and fees at public
colleges for a four year period from the school year
Sarah LaCourse
AC1205891
College Algebra MA240.2.1
Assignment 4_04
February 5, 2016
ASSIGNMENT 04
1) The original function is: P(t) = 145e-0.092t
2) When solving for 70 beats per minute, you replace P(t) with the number 70:
70 = 145e-0.092t
3) Then, you d
ASSIGNMENT 04
The function P(t) = 145e-0.092t models a runners pulse, P(t), in beats per minute, t
minutes after a race, where 0 t 15. Graph the function using a graphing utility.
TRACE along the graph and determine after how many minutes the runners puls
ASSIGNMENT 08
MA240 College Algebra
Directions: Be sure to save an electronic copy of your answer before submitting it to
Ashworth College for grading. Unless otherwise stated, answer in complete sentences,
and be sure to use correct English, spelling and
Reasoning and Analysis Paper Assignment
What is this paper about?
For this paper, you will read a scenario and two articles which discuss and/or relate to cultural values as
well as reflect on your own experience. You will then write a paper in which you
MA240.2.1 College Algebra
Assignment 8_08 Sequences
July 9, 2015
Sequences
Introduction
In this paper I will be defining the term graph sequence, recursion formulas and arithmetic
sequence. I will also solve the two problems given. Lastly, I will tell how
Part 1 of 1 Question 1 of 20
95.0/ 100.0 Points
5.0/ 5.0 Points
Simplify the expression 1.7(9 8.4)
A. 7
B. 1.12
C. 6.9
D. 1.02
Question 2 of 20
5.0/ 5.0 Points
Simplify the expression.
A. 4.786
B. 0.5
C. 5
D. 3.714
Question 3 of 20
Multiply 12.27 x 0.03
A
Part 1 of 1 -
100.0/ 100.0 Points
5.0/ 5.0 Points
Question 1 of 20
List all of the factors of the number 56.
A. 1, 2, 4, 7, 8, 14, 18, 28, 56
B. 2, 4, 7, 8, 14, 28
C. 1, 2, 4, 7, 8, 14, 28, 56
D. 1, 2, 3, 4, 7, 8, 14, 18, 28, 56
5.0/ 5.0 Points
Question 2
Part 1 of 1 - Lesson 1 Questions
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5.0/ 5.0 Points
Question 1 of 20
Solve the following linear inequality:
3(x + 4) 5x 123
A. [-7,)
B. (-, 13/2]
C. (-, 12]
D. None of the above
5.0/ 5.0 Points
Question 2 of 20
Solve the following linear e
Online Exam 2_02
Part 1 of 1 -
70.0/ 100.0 Points
Question 1 of 20
0.0/ 5.0 Points
The stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the U.S. that
occurred in three ethnic groups in 2003.
In which geogr
Online Exam 6_06
Part 1 of 2 -
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2.5/ 2.5 Points
Question 1 of 40
A study of students taking Statistics 101 was done. Four hundred students who studied for more than 10 hours
averaged a B. Two hundred students who studied for less than 10
Online Exam 1_01
Part 1 of 1 -
85.0/ 100.0 Points
Question 1 of 20
5.0/ 5.0 Points
Determine which of the four levels of measurement is most appropriate for the statement below.
Ages of survey respondents.
A. Ratio
B. Interval
C. Ordinal
D. Nominal
5.0/ 5
Online Exam 8_07
Part 1 of 2 -
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0.0/ 2.5 Points
Question 1 of 40
A two-tailed test is conducted at the 5% significance level. What is the left tail percentile required to reject the null
hypothesis?
A. 97.5%
B. 5%
C. 2.5%
D. 95%
Question
Online Exam 4_04
Part 1 of 1 -
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Question 1 of 20
If light bulbs have lives that are normally distributed with a mean of
2500 hours and a standard deviation of 500 hours, what percentage of
light bulbs have a life less than 2500 hours?
5.
Online Exam 3_03
Part 1 of 1 -
65.0/ 100.0 Points
Question 1 of 20
5.0/ 5.0 Points
Last year, a road construction firm hired 11 new employees. Their ages at hiring are listed below. Find the mean hiring
age to one decimal place.
23 19 30 33 27 31 58 22 21
Course Number and Title MA260: Statistical Analysis
Assignment Number and Title Assignment # 8
07/07/15
1.
$75 repair z value:
z = (75 90) / 22 = -0.6818 or .68 below standard deviations below the mean
$100 repair z value:
z = (100-90) / 22 = 0.4545 or .4
Part 1 of 2 -
35.0/ 50.0 Points
Question 1 of 40
2.5/ 2.5 Points
The owner of a football team claims that the average attendance at home games is over 4000,
and he is therefore justified in moving the team to a city with a larger stadium. Assume that a
hy
Part 1 of 2 Question 1 of 40
42.5/ 50.0 Points
2.5/ 2.5 Points
Of 1308 people who came into a blood bank to give blood, 314 people had high blood pressure.
Estimate the probability that the next person who comes in to give blood will have high blood
press
Part 1 of 1 Question 1 of 20
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5.0/ 5.0 Points
The systolic blood pressures of the patients at a hospital are normally distributed with a mean of
136 mm Hg and a standard deviation of 12 mm Hg. Find the two blood pressures having these
pr
Question 1 of 20
5.0/ 5.0 Points
Suppose that your income is at the 81st percentile of wage earners in the United States. What
percent of wage earners make more than you do?
A. 19%
B. 81%
C. Cannot be calculated from the information given
D. None of the a
Part 1 of 1 Question 1 of 20
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5.0/ 5.0 Points
The bar chart shows the relative frequencies of winners of the Wimbledon womens singles
tennis title for 1976 1995.
How many titles did Graf and Navratilova win?
A. .75
B. 14
C. 15
D. 40
Ques
Statistical Analysis 1
Part 1 of 1 Question 1 of 20
80.0/ 100.0 Points
5.0/ 5.0 Points
Temperatures in degrees Fahrenheit of the ocean at various depths:
A. Ratio
B. Interval
C. Ordinal
D. Nominal
Question 2 of 20
5.0/ 5.0 Points
In a survey of 80 high sc
Part 1 of 1 - Lesson 8 Questions 80.0/ 100.0 Points
Question 1 of 20
5.0/ 5.0 Points
A club with ten members is to choose three officerspresident, vice president, and secretary-treasurer.
If each office is to be held by one person and no person can hold m
Part 1 of 1 - Lesson 1 Questions 70.0/ 100.0 Points
Question 1 of 20
0.0/ 5.0 Points
Solve the following linear inequality:
3(x + 4) 5x 123
A. [-7,)
B. (-, 13/2]
C. (-, 12]
D. None of the above
Question 2 of 20
5.0/ 5.0 Points
In the rectangular coordinat
Part 1 of 2 - Lesson 4 Questions 37.5/ 50.0 Points
Question 1 of 40
0.0/ 2.5 Points
You have $10,000 to invest. One bank pays 5% interest compounded quarterly and a second bank pays
4.5% interest compounded monthly. Use the formula for compound interest t