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vodka [1.7K]
3 years ago
12

Help me..............

Mathematics
1 answer:
Virty [35]3 years ago
3 0
The correct answer would be (C.) x>90
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A student solves a problem correctly 40 times out of 72 tries. Based on this data, what is the probability that the student inco
suter [353]

Answer:

The probability of the student incorrectly solves the next problem is 44%.

Step-by-step explanation:

Let E be the event of solving a problem correctly.

Then E' is the event that the problem is solved incorrectly.

Now, recall the definition of probability.

probability of an event = \frac{number of favorable events}{total number of events}

So,

p(E) = \frac{40}{72}

Also,

p(E) + p(E') = 1 and

p(E') = 1 - p(E)

= 1 - \frac{40}{72}

= \frac{72-40}{72}

= \frac{32}{72}

= \frac{4}{9}

= \frac{4}{9} (100)

= 44% rounded.

Hence, the probability of the student incorrectly solves the next problem is 44%.


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3 years ago
48 qt equals how many gallons
Fynjy0 [20]

Answer:12 gallons

Step-by-step explanation:

48/4=12

8 0
3 years ago
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How do you solve this?
kherson [118]
Interest equals principle (the amount that you had to begin with) times the rate (the rate if interest) times the time (usually in years)
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Explain which situation will give you the best price: a discount of 15% and then 10% off that amount, a discount of 10% and then
Anuta_ua [19.1K]

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if you take any number and take 10 percent off then 15 percent off it’s even but 25 percent off is a better discount because it takes more money off the original price

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I don't need an explanation, I would just like the answer to these questions​
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1)HGI ,S.S.S

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