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riadik2000 [5.3K]

3 years ago

12

The atmosphere flows in large convection currents.

2 answers:

OleMash [197]3 years ago

7 0

B. Warm air rises,and cool air sinks.

Ber [7]3 years ago

3 0

Answer:

The answer is B. Warm air rises, and cool air sinks.

Step-by-step explanation:

During atmospheric convection, heat is transferred as a result of heated air (which is lighter and less dense) rising, and cool air (which is heavier and more dense) sinking beneath the heated air: this movement of heated and cool air produces patterns of circulation known as atmospheric convection currents.

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3(у - 3) - 2(у 4) = 4

Dennis_Churaev [7]

Answer:

y = 5

Step-by-step explanation:

3(у - 3) - 2(у -4) = 4

Distribute

3y -9 -2y +8 =4

Combine like terms

y -1 =4

Add 1 to each side

y-1+1 = 4+1

y = 5

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3 years ago

Scatter plot question :

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2 years ago

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The total budget for a landscaping project was $349.02, and the project called for 42 plants. What is the average cost per plant

nekit [7.7K]

Answer:

$8.31

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4 0

3 years ago

Find the probability of at least one

zmey [24]

Answer:

99.8% probability of at least one failure.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

Probability of success is 30%.

This means that $p = 0.3$

Five trials:

This means that $n = 5$

Find the probability of at least one failure in five trials of a binomial experiment in which the probability of success is 30%.

Less than five sucesses, which is:

$P(X < 5) = 1 - P(X = 5)$

In which

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 5) = C_{5,5}.(0.3)^{5}.(0.7)^{0} = 0.002$

$P(X < 5) = 1 - P(X = 5) = 1 - 0.002 = 0.998$

0.998*100% = 99.8%

99.8% probability of at least one failure.

8 0

3 years ago