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vodomira [7]
3 years ago
12

Which of the following represents the most accurate estimation of 38+23

Mathematics
2 answers:
Anastaziya [24]3 years ago
8 0
38+ 23=30 + 20 +8 +3=50+8+3=58+3=61.
navik [9.2K]3 years ago
3 0

Answer:

61

Step-by-step explanation:

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A padlock has the digits 0 through 9 arranged in a circle on its face. A combination for 0 1 2 3 4 6 5 7 8 9 this padlock is fou
stepan [7]

Answer:

The total numbers of possible combinations are 3430.

Step-by-step explanation:

Consider the provided information.

A combination for 0 1 2 3 4 6 5 7 8 9 this padlock is four digits long. Because of the internal mechanics of the lock, no pair of consecutive numbers in the combination can be the same or one place apart on the face.

Here, for the first digit we have 10 choices.

For the second digit we have 7 choices, as the digit can't be the same nor adjacent to the first digit.

For the third digit we have 7 choices, as the digit can't be the same nor adjacent to the second digit.

For the fourth digit we have 7 choices, as the digit can't be the same nor adjacent to the third digit.

So the number of choices are:

10\times 7\times 7\times 7=10\times 7^3\\10\times 343=3430

Hence, the total numbers of possible combinations are 3430.

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3 years ago
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ertyui

Step-by-step explanation:

6 0
3 years ago
If you roll a 6-sided die 54 times, what is the best prediction possible for the number of times you will roll an odd number?
asambeis [7]

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Step-by-step explanation:

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Step-by-step explanation:

6 0
3 years ago
I have to order from least to greatest pls help
ExtremeBDS [4]
Hi there!

First let's multiply the fraction 1/4 x 3/3. This will give us all of the same denominators. Now, we have 6 3/12, 5 5/12, and 6 1/12. Since the lowest number is 5, we know that 5 5/12 is the smallest value. Then, we see that we have two 6's left. Since 3/12 is bigger than 1/12, we know that 6 1/12 comes after 5 5/12. Lastly, 6 3/12 is the greatest.

ORDER: 
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Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
3 0
3 years ago
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