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Anuta_ua [19.1K]
3 years ago
14

A new medicine was given to a sample of 100 hospital patients. Of the​ total, 65 patients reacted​ favorably, 9 reacted​ unfavor

ably, and 26 were unaffected by the drug. Assume that this sample is representative of the entire population. If this medicine is given to Mr. and Mrs. Rivera and their son​ Carlos, what is the probability Mrs. Rivera reacts​ favorably? (Assume​ independence.)
Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0
The probability is 65% since the probability to react favirably is 65%
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Answer:

30

Step-by-step explanation:

20+2(3*7 - 4*4)

20+2(21-16)

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30

8 0
3 years ago
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2 years ago
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Which of the following statements is true?
Ivahew [28]

The correct answer is C. A scalene triangle can be a right triangle.


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This leaves us with options B and C. An obtuse triangle simply has one angle with a measure greater than 90 degrees, and a right triangle is a triangle with a right angle (an angle that measures exactly 90 degrees). Scalene triangles can be both obtuse and right, as long as the side lengths and angles are not equal to one another. This makes option B incorrect, and option C the only correct option out of the four.


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3 years ago
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ziro4ka [17]

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What is the area of this figure?
Vladimir79 [104]

Answer:

<em>97 square miles</em>

Step-by-step explanation:

Let us divide this figure into rectangles, each of set dimensions;

Dimensions of Rectangle A - Height ; 2 mi, Length ; 9 mi\\Area of Rectangle A - Height * Length = 2 mi * 9 mi = 18 square miles,\\\\Dimensions of Rectangle B - Height ; 2 mi + 5 mi = 7 mi, Length ; 5 mi\\Area of Rectangle B - Height * Length = 7 mi * 5 mi = 35 square miles,\\\\Dimensions of Rectangle C - Height ; 4 mi + 5 mi + 2 mi = 11 mi, Length ; 4 mi,\\Area of Rectangle C - Height * Length = 11 mi * 4 mi = 44 square miles,\\\\Area of Figure = 18 + 35 + 44 = 97 square miles

<em>Solution; 97 square miles</em>

4 0
3 years ago
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