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navik [9.2K]
3 years ago
15

HELP I NEED ANSWER ASAP! I WILL GIVE BRAINLIEST TO 1ST CORRECT ANSWER!!!?

SAT
1 answer:
SpyIntel [72]3 years ago
7 0
The answer is D

surface tension is the result of the tendency of water molecules to attract one another

Hope I helped !
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An airplane starts at 0 feet. It rose 21,000 feet at takeoff. it then descended 4,329 feet because of clouds. An oncoming plane
sveta [45]

answer

1). Airplane is flying at 14551 feet.

2). Height of the mountain is 4299 feet.

--------------------------------------------------------------------------------------------------------------

1). An airplane starts at the level = 0 feet

It rose to the altitude = 21000 feet

It descends by the height due to clouds = 4329 feet

So the height of the airplane = 21000 - 4329

= 16671 feet

After giving pass to a plane it ascends by the height = 6333 feet

Now the height of the airplane = 16671 + 6333

= 23004 feet

Then the airplane descends again to give the pass to a airplane again.

Altitude after descending by 8453 feet = 23004 - 8453 = 14551 feet

Airplane is flying at 14551 feet.

2). Distance between the top of the mountain to the floor of the valley = 4392 feet

Valley is 93 feet below the sea level.

Therefore, the height of the mountain will be = 4392 - 93

= 4299 feet

hope this helps you

3 0
3 years ago
throughout the passage, the author leads up to the significant event of the narrator voting at the end. which statement best des
laila [671]

Answer:

throughout the passage, the author leads up to the significant event of the narrator voting at the end. which statement best describes how the author establishes the significance of that event?

Explanation:

3 0
2 years ago
There are approximately _____ types of fedral grants<br><br>A.4<br>B.3<br>C.10<br>D.15​
mel-nik [20]

Answer:

B

Explanation:

There are 3 <u>GENERAL</u> types of federal grants

8 0
3 years ago
In a study of helicopter usage and patient survival, among the 56,074 patients transported by helicopter, 235 of them
xxMikexx [17]

Using the hypergeometric distribution, it is found that the probability is 0.845 = 84.5%.

--------------------

  • The patients are chosen from the sample without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

The parameters are:

  • x is the number of successes.
  • N is the size of the population.
  • n is the size of the sample.
  • k is the total number of desired outcomes.

Combination formula:

is the number of different combinations of x objects from a set of n elements, given as:

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

--------------------

  • 56074 patients, thus N = 56074
  • Sample of 40, thus, n = 40
  • 235 left against medical advice, thus, k = 235.

The probability that none left against medical advice is P(X = 0), so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,56074,40,235) = \frac{C_{235,0}*C_{55839,40}}{C_{56074,40}} = 0.845

The probability is 0.845 = 84.5%.

A similar problem is given at brainly.com/question/24008577

6 0
2 years ago
The state of Connecticut has an opening on a three-member board that settles labor disputes between unions and employers. Which
kolezko [41]

Answer:

B

Explanation:

4 0
3 years ago
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