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xxMikexx [17]
2 years ago
9

Is the following relation a function? A. Yes B. No

Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
4 0

Answer:

a. yes

Step-by-step explanation:

for every input the should be one and only one output, so this is a function

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Whats 58788188 to the nearest million
In-s [12.5K]

Answer:

588,000,000.

Step-by-step explanation:

Inserting commas  every 3 digits from the right, we have:

587,881,188  so that is 587 million and 881,000.

As 8 is the next digit after the 587 we add 1 to 587 to make 588 million.

7 0
3 years ago
From a point 50m from the base of the Skylon Tower in Niagara Falls, the angle of elevation to the top of
VladimirAG [237]

Answer:

The tower is about 235 m.

Step-by-step explanation:

Let x be the height of the tower

tan θ = opp / adj

tan 78 °= x / 50

x = 50 tan 78 °

x = 235

∴ The tower is about 235 m.

Hope this answer helps you :)

Have a great day

Mark brainliest

8 0
3 years ago
2. Suppose over several years of offering AP Statistics, a high school finds that final exam scores are normally distributed wit
nirvana33 [79]

Answer:

By the Central Limit Theorem, the mean is 78, the standard deviation is s = \frac{6}{\sqrt{n}} and the shape is approximately normal.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 78 and a standard deviation of 6

This means that \mu = 78, \sigma = 6

Samples of n:

This means that the standard deviation is:

s = \frac{\sigma}{\sqrt{n}} = \frac{6}{\sqrt{n}}

What are the mean, standard deviation, and shape of the distribution of x-bar for n?

By the Central Limit Theorem, the mean is 78, the standard deviation is s = \frac{6}{\sqrt{n}} and the shape is approximately normal.

6 0
3 years ago
A box has colored balls (12 red, 10 green, 6 light blue and 8 yellow). What is the probability of drawing 2 red balls?
ale4655 [162]

Answer:

You will have a 33% chance of drawing a red ball

Step-by-step explanation:

If you do 12+10+8+6, you get 36 which then you would ratio it. 12:36, and you would convert that to a percent, which is 33%

7 0
2 years ago
Alan has 90 apple tree he has 90 apples and each apple tree how many apples does he have in all?​
Nonamiya [84]

Answer:

8100

Step-by-step explanation: yee yee

6 0
3 years ago
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