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Maksim231197 [3]
3 years ago
7

Given the definition of rational numbers, are decimals like 0.5 and 0.3 rational numbers? Why or why not?

Mathematics
1 answer:
qaws [65]3 years ago
5 0

Answer:

Yes they are rational numbers

Step-by-step explanation:

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Find the mean, median, mode, and range of the data set 19, 7, 16, 2, 10, 6, 7. If necessary, round
Maslowich

Answer:

Mean: 9.6

Median: 7

Mode: 7

Range: 17

Step-by-step Explanation:

<em>Mean: add all the numbers then divide the sum by how many numbers there are </em>

19 + 7 + 16 + 2 + 10 + 6 + 7 = 67

67 / 7 = 9.57 --> 9.6

<em>Median: arrange your numbers in numerical order, count how many numbers you have (if odd, divide by 2 and round up to the position of a median number, if even, divide by 2 and go to that number in position) </em>

2, 6, 7, 7, 10, 16, 19 (7 numbers = since its odd, divide by 2 which equals 3.5, round it up to 4 and go to the number in the 4th position, in this case 7)

<em>Mode: Put the number in order again and determine which number appears the most</em>

2, 6, 7, 7, 10, 16, 19  = 7 appears twice while the rest only appears once

<em>Range: subtract the lowest value from the highest value</em>

19 - 2 = 17

4 0
3 years ago
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4x+100 6x+216 find x
Lemur [1.5K]

Answer:

4x=100+6x=216=

Step-by-step explanation:

100+216=316 and 4x+6x= 10

316/10 = 31.6

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AfilCa [17]

Answer:

Hope this is right.

1. 7(4x-5)

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Step-by-step explanation:

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3 years ago
3 cards are chosen at random from a standard 52-card deck. what is the probability that they form a pair? (a 3-card hand is a 'p
kozerog [31]

Hello!

First of all, we have a 4/52, or 1/13 chance of selecting a pair. Then, we select 1/3 cards 3 times, so we use this as our other fraction.

\frac{1}{13}\cdot \frac{1}{3}=\frac{1}{39}

Therefore, we have a 1/39 or about 3%.

I hope this helps!

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The answer is C and D
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