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pentagon [3]
3 years ago
11

Which of the following scenarios would generate outcomes and probabilities that are equivalent to identifying the sex of 3 succe

ssive children? flipping a fair coin 2
times flipping a fair coin 3 times
rolling a fair die 2 times
rolling a fair die 3 times
Mathematics
2 answers:
timama [110]3 years ago
8 0

Answer: Flipping a coin 3 times

Step-by-step explanation:

aalyn [17]3 years ago
7 0

Answer:

flipping a fair coin three times

Step-by-step explanation:

edg 2020-2021

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75% as a fraction in simplest form
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Answer:

3/4

Step-by-step explanation:

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3 years ago
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When a particular mass-spring system is started by stretching the spring 3 cm, one complete oscillation takes 4 seconds.
11Alexandr11 [23.1K]

Answer:

A. 5.16 s.

B. 5.66 s.

Step-by-step explanation:

A.

For a simple harmonic motion,

T = 2pi (sqrt * (l/g))

Given:

L1 = 3 cm

T1 = 4 s

L2 = 5 cm

T2 = ?

4 = 2pi*sqrt(3/g)

g = 7.4

At, L2,

T2 = 2pi*sqrt(5/7.4)

= 5.16 s.

B.

M1 = M1

M2 = 2*M1

For a simple harmonic motion,

T = 2pi (sqrt * (m/k))

4 = 2pi (sqrt * (M1/k))

M1/k = 0.405

Inputting the above values,

T2 = 2pi (sqrt * (2*M1/k))

= 2pi (sqrt * (2 * 0.405))

= 5.66 s.

4 0
2 years ago
After observing this pattern, Felipe made a conjecture for the next number in the pattern.
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The next number in this pattern should be A)28
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Write an exponential function to model the situation.A population of 300 animals decreased at an annual rate of 22%
erastovalidia [21]

Answer:

y = 300(0.78)^x

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x is the number of years. y is the population after x years.

Each year, the population decreases by 22%, since 100% - 22% = 78%, and 78% = 0.78, each year, the population is 0.78 of the previous year's population.

year zero: y = 300

year 1: y = 300 * 0.78 = 300 * (0.78)^1

year 2: y = (300 * 0.78) * 0.78 = 300 * (0.78)^2

year 3: y = ((300 * 0.78) * 0.78) * 0.78 = 300 * (0.78)^3

year x: y = 300(0.78)^x

4 0
3 years ago
The accounting at GEICO notices that the average claim might be larger than $1800, which was previously set as a true average cl
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Answer:

I’m not really sure

Step-by-step explanation:

Look at someone else’s answer

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3 years ago
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