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vladimir1956 [14]
3 years ago
5

Students made a craft project at camp.They used 2 small pine cone patterns and 1 large pine cone pattern complete the table to f

ind how many patterns were used for the different numbers of projects
Mathematics
1 answer:
balu736 [363]3 years ago
5 0
If i understand this right it should be 3.
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It’s 9 centimeters long
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3 years ago
Find the probability that event A will appear at least three times in four independent tests if the probability of occurrence of
polet [3.4K]

This kind of problems are solved using Bernoulli's distribution. Everytime you have a win/lose scenario, and you know the probability p of winning, and you want k successes over n trials, you have the following probability:

\displaystyle P(k\text{ successes over }n\text{ trials}) = \binom{n}{k}p^k(1-p)^{n-k}

You want the probability of having at least three successes, i.e. you are interested in the cases k=3 and k=4. The corresponding probabilities are

\displaystyle P(3 \text{ successes}) = \binom{4}{3}0.6^3 \cdot 0.4 = 4\cdot 0.216 \cdot 0.4 = 0.3456

\displaystyle P(4 \text{ successes}) = \binom{4}{4}0.6^4 = 0.1296

So, the total probability is 0.3456+0.1296 = 0.4752

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4 years ago
The radius of a circle is 2 centimeters. What is the area of a sector bounded by a 90° arc?
pochemuha
I hope this helps you



Area=90/360.pi.2^2


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4 0
3 years ago
HELP NOW PLEASE NOW ILL GIVE YOU BRAINLY IF YOU GET IT RIGHT NOW PLEASE!!!
zaharov [31]

Answer:

you can check the picture, i tried to make it as simple as possible. so I answered by the format.

8 0
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Model Real Life You and a partner
shutvik [7]

No. Using multiplication and division, you and your partner will not each get the same number of flips because one can flip 23 times, while the other does it 22 times.

<h3>What are mathematical operations?</h3>

The basic mathematical operations include addition, subtraction, multiplication, and division.

These mathematical operations are performed on numbers, variables, equations, and functions to determine numerical results.

In this situation, we first multiply to get the total number of times the 3 bottles can be flipped.

This total is divided by 2 to see if there will not be a remainder.  The result of the division operation is an odd value.

The number of bottles for flipping = 3

The number of times to flip each bottle = 15 times

The total number of times to flip the 3 bottles = 45 times 93 x 15)

The number of those conducting the bottle flipping experiment = 2

The number of times each partner can flip the bottles evenly = 22.5 times (45/2)

Each partner cannot flip the same number of times based on the mathematical operations because 45 is not an even number.

Learn more about mathematical operations at brainly.com/question/20628271

#SPJ1

7 0
1 year ago
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