Solve 4x 9 15 - Study guides, Class notes & Summaries
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ACT Math Practice Test ALL ANSWERS 100% CORRECT SPRING FALL-2023/24 EDITION GUARANTEED GRADE A+
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Barbie answered 2 out of 20 questions on her math test incorrectly. What percent of the questions did Barbie answer correctly? 
Options: 2/20 x 100%, 2/ (20 x 100%), 18/20 x 100%, 18/ (20 x 100%), 2/100% x 20. 
Answer: 18/20 x 100%. Number of correct questions over number of total questions multiplied by 100. 
Set S = {0, x + 2, x + 4, x + 6}. What is the average of Set S? 
Options: 3/4x +3, x+2, x+3, x+4, 3x+12. 
Answer: ¾ x + 3. Add all the terms in Set S together and divide by 4 to get the a...
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College Math Placement Test Questions And Revised Correct Answers | Already Passed
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College Math Placement Test 
Questions And Revised Correct 
Answers | Already Passed 
 
The denominator of each fraction is 5. Since the 
denominators are the same, just subtract the numerators: 
4/5 − 1/5 = 4 − 1 /5 = 3/5 - ANSWER : 4/5 − 1/5 = 
A. 3/5 
B. 1 
C. 4 
D. 1/5 
E. None of these 
The number 4 can be written as 4/1, which has 
the same value as 12/3: 
4 − 1/3 = 12/3 − 1/3 = 11/3 = 3 2/3. - ANSWER : 4 − 1/3 = 
A. 3 2/3 
B. 1/3 
C. 3 
D. 2/3 
E. None of these 
Use long div...
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Solutions Manual to accompany Calculus for Business, Economics, and the Social and Life Sciences Tenth Edition, Brief Laurence D. Hoffman A+
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Solutions Manual 
to accompany 
Calculus for Business, 
Economics, and the 
Social and Life Sciences 
Tenth Edition, Brief 
Laurence D. Hoffman 
CONTENTS 
Chapter 1 Functions, Graphs, and Limits 1 
1.1 Functions 1 
1.2 The Graph of a Function 6 
1.3 Linear Functions 14 
1.4 Functional Models 19 
1.5 Limits 26 
1.6 One-Sided Limits and Continuity 30 
Checkup for Chapter 1 33 
Review Problems 36 
Chapter 2 Differentiation: Basic Concepts 43 
2.1 The Derivative 43 
2.2 Techniques of Differentiation...
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DSC2605 Assignment 2 Semester 1 2024 (225272)
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DSC2605 Assignment 2 Semester 1 2024 (225272) - DUE 12 April 2024 ... 100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on +/ 2/ 5/ 4 /7 /7 /9 /5 /4 /0 /1 /3 /2 . 
 
Assignment 2 DSC2605/103/1/2024 
Part 1: Representation of LP models 
Question 1 [15] 
Consider the following mathematical programming model: 
Minimise z = −x 1 
− x 2 
− x 3 
subject to 
−x 2 + x 3 
≥ −1 
x3 
x 1 +x 2 + x 3 
≤ 0, 1 
x1 = x 3 − 3 
x2 − 2x 3 
≤ x1 − 4 ...
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COS1501 Assignment 3 2024 (653581)
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COS1501 Assignment 3 (QUIZ) 2024 (653581) - DUE 22 July 2024 ;100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on ...(.+.2.5.4.7.7.9.5.4.0.1.3.2)........... 
Question 1 Complete Marked out of 2.00 Question 2 Complete Marked out of 2.00 QUIZ Suppose U = {1, 2, 3, 4, 5, a, b, c} is a universal set with the subset A = {a, b, c, 1, 2, 3, 4}. Which one of the following relations on A is NOT functional? a. {(1, 3), (b, 3), (1, 4), (b, 2), (c, 2)} b. {(a, c)...
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AFOQT PRACTICE TEST (MATH SECTION)(FULLY SOLVED).
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if the volume of a cube is 8cm^3, what is the length of the cube? 
 
a. 1 cm 
b. 2 cm 
c. 3 cm 
d. 4 cm 
e. 8 cm 
B. 2 cm 
 
 
 
Simplify the following expression: (2x2 + 3) (2x - 1) 
 
a. 4x3 - 2x2 +6x - 3 
b. 2x2 +6x - 3 
c. 4x3 - 2x2 +6x + 3 
d. 4x3 - 2x2 - 6x - 3 
e. 2x2 - 6x + 3 
A. 4x3 - 2x2 +6x - 3 
 
 
 
Simplify the following expression: 
(2x4y7m2z) * (5x2y3m8) 
 
a. 10x6y9m10z 
b. 7x6y10m10z 
c. 10x5y10m10z 
d. 10x6y10m10z 
e. 7x5y9m10z 
D. 10x6y10m10z 
 
 
 
A classroom contains 13 bo...
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HESI A2 ENTRANCE MATH EXAM QUESTIONS & ANSWERS 2024 UPDATE
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HESI A2 ENTRANCE MATH EXAM QUESTIONS & ANSWERS 2024 UPDATE 
1. Question: Solve for x: 3x + 7 = 16 
A) x = 3 
B) x = 4 
C) x = 5 
D) x = 6 
2. Question: What is the value of 5² - 3²? 
 
A) 4 
B) 6 
C) 16 
D) 10 
3. Question: If a triangle has angles measuring 30°, 60°, and 90°, what type of triangle is it? 
 
A) Equilateral 
B) Isosceles 
C) Scalene 
D) Right 
4. Question: What is 20% of 80? 
 
A) 16 
B) 32 
C) 64 
D) 160 
5. Question: If a rectangle has a length of 8 units and a width of 4 ...
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	ASVAB MATHEMATICS ARITHMETIC & KNOWLEGE
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ASVAB MATHEMATICS ARITHMETIC & KNOWLEGE 
 
Which of the following is the smallest prime number greater than 200? 
 
A. 201. 
B. 205. 
C. 211. 
D. 214. 
A prime number is a number larger than 1 that has only itself and 1 as factors. (It can be evenly divided only by itself and by 1.) 201 is divisible by 3; 205 is divisible by 5; 211, however, is a prime number 
 
If 40% is equal to the fraction x/30, what is the value of x? 
 
A. 0.4 
B. 15 
C. 1,200 
D. 12 
Change 40% to a decimal and write an e...
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TEAS Math Practice Test practice questions with 100- correct answers
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D 
Which of the following is the percentage equivalent of 0.0016? 
 
a. 16% 
b. 160% 
c. 1.6% 
d. 0.16% 
 
 
C 
Curtis is taking a road trip through Germany, where all distance signs are in metric. He passes a sign that states the city of Dusseldorf is 45 kilometers away. Approximately how far is this in miles? 
 
a. 42 miles 
b. 37 miles 
c. 28 miles 
d. 16 miles 
 
 
D 
On a floor plan drawn at a scale of 1:100, the area of a rectangular room is 30 cm2. What is the actual area of the room? 
 
...
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College Math Placement Test Questions And Revised Correct Answers | Already Passed
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College Math Placement Test 
Questions And Revised Correct 
Answers | Already Passed 
Solve by factoring and then use the zero principle. 
−2t^2 + t + 28 = 0 
(2t + 7)(−t + 4) = 0 
2t + 7 = 0 -t + 4 = 0 
2t = -7 -t = -4 
t = -7/2 t = 4 
Answer is t = -7/2, 4 - ANSWER : Solve the following equation for t. 
−2t^2 + t + 28 = 0 
A. t = 2/7, −4 
B. t = 4/3, −7 
C. t = −7/2, 4 
D. t = −3/4, 7 
Set up the multiplication vertically. Remember to 
insert a place holder of 0 when you mul...
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