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Question 473422: An electronics store surveyed every 9th customer who came into the store for a week.
Of the 185 people who responded,
76 people watched movies on VHS tapes.
126 people watched movies on DVDs.
23 people watched movies both on VHS tapes and DVDs.
Create a Venn diagram to reflect the above data, label your diagram clearly Use your diagram to answer the following questions here.
i. Of those surveyed, how many watched only VHS tapes?
ii. Of those surveyed, how many watched only DVDs?
iii. Of those surveyed, how many watched VHS tapes or DVDs, but not both?
iv. Of those surveyed, how many watched VHS tapes or DVDs, or both?
Click here to see answer by stanbon(75887) |
Question 473419: Given A = {1, 2, 3, 4}, B = {4, 5, 6,}, and C = {2, 6, 7}. Evaluate each set
a) A ∩ B
b) A U C
c) B U C
d) (A U B) ∩ C
e) A U (B U C)
f) (A ∩ B) ∩ C
g) (A ∩ B) U C
Click here to see answer by MathLover1(20849)  |
Question 472341: Short Answer. The length of the side of a rectangular desk is given by 3x - 2y cm. The length of the front is given by 3x + 2y cm. What is an algebraic expression for the area of the top of the rectangular desk? Include correct units as part of your answer
Click here to see answer by richard1234(7193)  |
Question 473420: A survey of flower gardeners showed the following:
45 grew roses 7 grew both roses and tulips 4 grew all three types
16 grew tulips 5 grew both orchids and tulips 9 grew none of these three
13 grew orchids 10 grew both roses and orchids
Create a Venn diagram to reflect the above data, label your diagram clearly and Use your diagram to answer the following questions here.
(a) How many grew only roses?
(b) How many grew both roses and tulips, but not orchids?
(c) How many grew only tulips?
(d) How many grew none of these three or only orchids?
(e) How many flower gardeners were surveyed?
Click here to see answer by Edwin McCravy(20054)  |
Question 473716: Essay: Show all work. The area of a rectangular swimming pool is given by 5x^2 + 31x + 6 ft^2 . One side length of the pool is given by 5x + 1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of your answer.
Click here to see answer by jorel1380(3719)  |
Question 473902: A store owner purchased 20 halogen light bulbs and 30 fluorescent light bulbs for a total cost of $630. A second purchase, at the same prices, included 30 halogen bulbs and 10 fluorescent bulbs for a total cost of $560. Find the cost of a halogen bulb and a fluorescent bulb.
Click here to see answer by jorel1380(3719)  |
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