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QveST [7]
2 years ago
13

What is the value of r in (3r+4) ° (8r-2

Mathematics
1 answer:
lana66690 [7]2 years ago
8 0

Answer:

r = 49

Step-by-step explanation:

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Jackson is playing a game of chance where he must randomly draw a marble out of a jar. He calculates the probability of drawing
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Using complementary events, considering a \frac{1}{4} probability of drawing a red marble, the probability of not drawing a red marble is of \frac{3}{4}.

<h3>What are complementary events?</h3>

They are mutually exclusive events which have the sum of their probabilities as 1.

In this problem, we consider that there is a \frac{1}{4} probability of drawing a red marble, and since drawing a red marble and drawing a non-red marble are complementary events, we have that:

\frac{1}{4} + p = 1

p = \frac{3}{4}

The probability of not drawing a red marble is of \frac{3}{4}.

More can be learned about complementary events at brainly.com/question/9752956

8 0
2 years ago
On Tuesday, the Madison Avenue Hotel had 5 occupied rooms for every 2 unoccupied rooms. If there
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Step-by-step explanation:

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2 years ago
Find the value of 4^2 + 6 ÷ 2
lorasvet [3.4K]

Answer:

19

Step-by-step explanation:

Follow PEMDAS

4^2 + 6 ÷ 2

16 + 6 ÷ 2

16 + 3

19

4 0
3 years ago
Read 2 more answers
Brainly.com
Slav-nsk [51]
The answer is a, because the absolute value of x(the actual weight of the product) minus the target weight of 18.25 needs to be greater that the target weight difference of .36 so that it is outside the range.  So basically, any number outside of the range will be correct.You can plug in number that you know are in/ out of the acceptable range of numbers for this problem in.  
|18.62-18.25|>.36
.37>.36
18.62 is not in range.





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3 years ago
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