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Concept explainers
Three-Circle Venn Diagram with Numbers. Use the Venn diagram to answer the following
questions.
65. Hospital Drug Use. Patients in a (hypothetical) hospital on a single day were taking antibiotics (A), blood pressure medication (BP), and pain medication (P) an the following numbers:
A only | 12 | A and BP only | 15 |
BP only | 8 | A and P only | 24 |
P only | 22 | BP and P only | 16 |
None | 2 | All three | 20 |
a. Draw a three-circle Venn diagram that summarizes the results in the table.
b. How many patients took antibiotics or blood pressure medication?
c. How many patients took blood pressure medication but not pain medication?
d. How many patients took (at least) pain medication?
e. How many patients took antibiotics and blood pressure medicine but not pain medication?
f. How many patients took antibiotics or blood pressure medicine or pain medication?
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Chapter 1 Solutions
EP USING+UNDERSTANDING MATH.-MYMATHLAB
- 10 5 Obtain by multiplying matrices the composite coordinate transformation of two transformations, first x' = (x + y√√2+2)/2 y' = z' (x√√2-2√2)/2 z = (-x+y√√2-2)/2 followed by x" = (x'√√2+z'√√2)/2 y" = (-x'y'√√2+2')/2 z" = (x'y'√√2-2')/2.arrow_forwardNot use ai pleasearrow_forward4 The plane 2x+3y+ 6z = 6 intersects the coordinate axes at P, Q, and R, forming a triangle. Draw a figure and identify the three points on it. Also find vectors PQ and PR. Write a vector formula for the area of the triangle PQR and find its value.arrow_forward
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- College AlgebraAlgebraISBN:9781305115545Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
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