Learning Materials
Features
Discover
Chapter 16: Problem 55
A professor gives the following scores to her students. What is the mode? \begin{tabular}{llllllll} Frequency: & 1 & 3 & 6 & 11 & 13 & 10 & 2 \\ \hline Score: & 35 & 45 & 55 & 65 & 75 & 85 & 95 \end{tabular} a) 65 b) 75 c) 85 d) 11
Over 30 million students worldwide already upgrade their learning with Vaia!
All the tools & learning materials you need for study success - in one app.
Get started for free
The cylindrical coordinates \(\left(5,30^{\circ}, 12\right)\) are expressed in spherical coordinates as a) \(\left(13,30^{\circ}, 67.4^{\circ}\right)\) c) \(\left(15,52.6^{\circ}, 22.6^{\circ}\right)\) b) \(\left(13,30^{\circ}, 22.6^{\circ}\right)\) d) \(\left(15,52.6^{\circ},-22.6^{\circ}\right)\)
The area contained between \(4 x=y^{2}\) and \(4 y=x^{2}\) is a) \(\frac{10}{3}\) b) \(\frac{11}{3}\) C) \(\frac{13}{3}\) d) \(\frac{16}{3}\)
Divide \(3-i\) by \(1+i\) a) \(1-2 i\) b) \(1+2 i\) c) \(2-i\) d) \(2+i\)
Calculate \(\left[\begin{array}{rr}2 & -1 \\ 3 & 2\end{array}\right]\left[\begin{array}{l}2 \\ 1\end{array}\right]\) a) \(\left[\begin{array}{l}8 \\ 3\end{array}\right]\) b) \(\left[\begin{array}{l}3 \\ 8\end{array}\right]\) c) \(\left[\begin{array}{l}-3 \\ -8\end{array}\right]\) d) \([3,8]\)
The equation of a 4 -m-radius sphere using cylindrical coordinates is a) \(x^{2}+y^{2}+z^{2}=16\) c) \(r^{2}+z^{2}=16\) b) \(r^{2}=16\) d) \(x^{2}+y^{2}=16\)
What do you think about this solution?
We value your feedback to improve our textbook solutions.
Explanations 
Textbooks 
Exams 
GCSE 
IGCSE 
AS 
A Level 
International A Level 
University Admissions Tests 
Flashcards 
Vaia AI 
Notes 
Study Plans 
Study Sets 
Find a job 
Find a degree 
Student Deals 
Magazine 
Mobile App