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Usimov [2.4K]
3 years ago
15

a sample of 144 firecrackers contained 4 duds. how many duds would you expect in a sample of 1584 firecrackers?

Mathematics
1 answer:
Semenov [28]3 years ago
7 0
396 duds in 1,584 fireworks all together. Divide 1,584 by 4.
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Identify the measure of arc PQ
Fudgin [204]
C, 62
Line segment SQ=180, because it is a straight line
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hope this helps:)
7 0
3 years ago
3. Three years ago, Jane was three times as old as Alice. In two years time, the sum of their ages will be 62. Determine their p
anzhelika [568]
3 yrs ago:

Alice - x 
Jane - 3x 

Fast forward 2 years... 1 year ago: 

Sum of their ages = 62


Equation to solve: x + 3x = 62 
                                4x = 62 
                               -----  -----
                                 4      4
 
                                 x = 15.5 

From this, we can deterime that Alice is 15 1/2 years old. 

Then, plug in 15.5 for x in 3x to find Jane's age. 

15.5 × 3 = 46.5

From this, we can determine that Jane is 46 1/2 years old. 


I hope this helps you to understand this problem better.


5 0
3 years ago
Read 2 more answers
Determine if the given pair of lines are parallel , perpendicular, or neither . Y= -1/3x + 17 and y= 3x + 2
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Answer: hi

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4 0
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Which is the rate of change for the interval between 2
dedylja [7]

Answer: 2 box plots. The number line goes from 0 to 20. For East Side Middle School Debate Wins, the whiskers range from 5 to 14, and the box ranges from 10 to 12. A line divides the box at 11. For West Side Middle School Debate Wins, the whiskers range from 3 to 14, and the box ranges from 8 to 12. A line divides the box at 9.

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These graphs do not contain enough information from which to draw inferences.

Step-by-step explanation:

4 0
3 years ago
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