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bulgar [2K]
3 years ago
15

Define the domain and range of the function and state whether it is one-to-one, onto, both or neither.

Mathematics
1 answer:
dimulka [17.4K]3 years ago
7 0

Answer:

Neither

Step-by-step explanation:

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According to a recent​ study, 9.3​% of high school dropouts are​ 16- to​ 17-year-olds. In​ addition, 6.4​% of high school dropou
Finger [1]

Answer:

0.688 or 68.8%

Step-by-step explanation:

Percentage of high school dropouts = P(D) = 9.3% = 0.093

Percentage of high school dropouts who are white = P(D \cap W) = 6.4% = 0.064

We need to find the probability that a randomly selected dropout is​ white, given that he or she is 16 to 17 years​ old. This is conditional probability which can be expressed as: P(W | D)

Using the formula of conditional probability, we ca write:

P(W | D)=\frac{P(W \cap D)}{P(D)}

Using the values, we get:

P( W | D) = \frac{0.064}{0.093} = 0.688

Therefore, the probability that a randomly selected dropout is​ white, given that he or she is 16 to 17 years​ old is 0.688 or 68.8%

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3 years ago
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The answer is a. Irrationally numbers, when written as decimal numbers do not terminate nor do they repeat
6 0
3 years ago
Jacks mother gave him 50 chocolates to give to his friends at his birthday party. He gave 3 chocolates to each of his friends an
nevsk [136]

16

Explanation:

Okay so Jack started with 50 chocolates, and ended with 2. 
The simple way to calculate it would be by realising that Jack only distributed 48 chocolates. We can find how many times 3 fits into 48 by dividing <span>48÷3=16</span>.

Using algebra, we substitute the value we want to find with x. Here what we want to find is the number of friends that were at Jack's party.

We know that he started with 50 chocolates, then distributed <span>3×</span> the number of friends present (which is x). 
We write that down as <span>50−3x</span> 
(It's minus because when chocolates are distributed, Jack is taking away from what he has.)

We know that after this, there were only 2 chocolates left, so it's 
<span>50−3x=2</span>

Then we proceed by moving all the numbers to the right until only x is left:

<span>−3x=2−50</span>
<span>−3x=−48</span>

<span>x=<span><span>−48</span><span>−3</span></span></span>

<span>x=16</span>

Conclusion: The number of people that attended the party was 16

7 0
3 years ago
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A face of a solid is
gtnhenbr [62]

Answer:

The Second Answer , <em><u>a </u></em><em><u>pattern </u></em><em><u>of </u></em><em><u>two-dimensional </u></em><em><u>shapes </u></em><em><u>that </u></em><em><u>can </u></em><em><u>be </u></em><em><u>folded </u></em><em><u>to </u></em><em><u>form </u></em><em><u>a </u></em><em><u>solid </u></em><em><u>figure </u></em><em><u>.</u></em><em><u> </u></em>

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2 years ago
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What value of x is in the solution set of 3(x – 4) ≥ 5x 2?
Andrej [43]
Hope there are 

3(x-4) >= 5x^2 or this 2 from the end what mean ?

3x-12 >=5x^2

0>=5xˇ2 -3x +12 

5x^2 -3x +12 =0

D = 9 -240 = -150 so what mean that this equation has not real solutions 
5 0
3 years ago
Read 2 more answers
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