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Oksanka [162]
2 years ago
8

1) A bag contains 4 gold marbles, 6 silver marbles, and 32 black marbles. Someone offers to play

Mathematics
1 answer:
Bess [88]2 years ago
6 0
The expected value of playing this game = a weighted average of the winnings (or losses) multiplied by the odds of winning: (3/37)3 + (9/37)2 + (25/37054)(-1) = 9/37 + 18/37 - 25/37 = 27/37 -25/37 = 2/37 = about 0.054 winnings = $0.054 = 5.4 cents
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ABCD is a parallelogram. If AB= 3x -7 and CD = 5x - 19, find x.
kakasveta [241]

Answer:

x=6

Step-by-step explanation:

3x-7=5x-19

12=2x

x=6

8 0
3 years ago
How to find the derivative of an integral with bounds.
Free_Kalibri [48]

Answer:

The statement of the fundamental theorem of calculus shows the upper limit of the integral as exactly the variable of differentiation. Using the chain rule in combination with the fundamental theorem of calculus we may find derivatives of integrals for which one or the other limit of integration is a function of the variable of differentiation.

Step-by-step explanation:

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2 years ago
Lines l and m are parallel.<br> Use the diagram to determine the measure of ∠3.
Pavlova-9 [17]

Answer:

∠3 is 70°

Step-by-step explanation:

∠1 is 50° since it is across from another 50° angle

and then you use the equation x+25+2x+50=180 to find x

x then equals 35°

you then use the alternate interior angle theorem to say that ∠3 is 2x, or 70°

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3 years ago
How do you write 23.80 as a fraction
Scorpion4ik [409]
The correct answer is \frac{238}{10}
3 0
3 years ago
Read 2 more answers
The resting heart rate of an adult is usually about 60 beats per minute. Use your completed table to find approximately how many
Dvinal [7]
60x=1,000,000
----- ---------------
60 60
X=16,666 2/3 or
X=16,666.6667 it would take approximately 16,667 minutes for the average resting heart to beat 1,000,000 times.
3 0
3 years ago
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