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3 years ago

What is the common difference between the elements of the arithmetic sequence below?

1 answer:

3 0

-36/-31.5 = 1.1428571428571428571428571428571
-31.5/-27 = 1.1666666666666666666666666666667
-27/-22.5 = 1.2
-22.5/-18 = 1.25

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there are 3 black marbles in and 4 red marbles in a bag. what is the probability that you will pick two black marbles put of the

professor190 [17]

$|\Omega|=7\cdot6=42\\ |A|=3\cdot2=6\\\\ P(A)=\dfrac{6}{42}=\dfrac{1}{7}\approx14\%$

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3 years ago

2. What percent of rolling a 2 3 probability of getting HH

faust18 [17]

Answer:

2. The correct answer option is 25%.

3. The experimental probability is 3% greater than the theoretical probability.

Step-by-step explanation:

2. We are given that a number cube is rolled 20 times out of which 5 times it lands on the number 2.

We are to find the experimental probability of getting the number 2.

P (2) = $\frac{5}{20} \times 100 =\frac{1}{4} \times 100$ = 25%

3. The theoretical Outcomes are: HH HT TH TT

So theoretical probability of getting HH = $\frac{1}{4} \times 100$ = 25%

Total number of outcomes = $28+22+34+16$ = 100

So experimental probability of getting HH = $\frac{28}{100} \times 100$ = 28%

Therefore, the experimental probability is 3% greater than the theoretical probability.

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3 years ago

What is 8.275 rounded to the nearest hundredth.

miskamm [114]

Answer:

8.3

Step-by-step explanation:

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3 years ago

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Needing help on my geometry final, I have been in and out of the hospital, any help is appreciated.

quester [9]

Answer:

1. area = 1/2bh = (1/2)(21)(18) = 189 yd²

2. 3x2x3x2 = 36 different ways

3. area of kite = (1/2)(18)(24) = 216 units²

4. 8:52 or reduced, 2:13

5. Sorry, this is not my strong point

Step-by-step explanation:

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3 years ago

Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth

rewona [7]

Answer:

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Step-by-step explanation:

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