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saveliy_v [14]
3 years ago
11

Please Please tell me if I did this right or not, if you know how to do it. Please tell me the correct answers if they are wrong

.

Mathematics
2 answers:
kotykmax [81]3 years ago
7 0

Answer: 1-4 are correct

Mazyrski [523]3 years ago
5 0

Answer:

They seem good to me but I think you should switch up the numbers ion know I gotta see

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Find the value of A if the 4-digit number 3A5A is divisible by both 3 and 5.
Arturiano [62]

Answer:

The value of A is 5

Step-by-step explanation:

- The number is divisible by 3 if the sum of its digits is a number

  divisible by 3

- Ex: 126 is divisible by 3 because the sum of its digits = 1 + 2 + 3 = 6

  and 6 is divisible by 3

- The number is divisible by 5 if its ones digit is zero or 5

- Ex: 675 is divisible by 5 because its ones digit is 5

        890 is divisible by 5 because its ones digit is 0

- We are looking for the value of A in the 4-digit number 3A5A which

  makes the number divisible by both 3 and 5

∵ A is in the ones position

∴ A must be zero or 5

- Let us try A = 0

∵ A = 0

∴ The number is 3050

∵ The sum of the digits of the number = 3 + 0 + 5 + 0 = 8

∵ 8 is not divisible by 3

∴ 3050 is not divisible by both 3 and 5

∴ A can not be zero

- Let us try A = 5

∵ A = 5

∴ The number is 3555

∵ The sum of the digits of the number = 3 + 5 + 5 + 5 = 18

∵ 18 is divisible by 3

∴ 3555 is divisible by both 3 and 5

∴ A must be equal 5

* <em>The value of A is 5</em>

5 0
3 years ago
Will give barinliest. I need help Now.
Aloiza [94]

Answer:

im pretty sure its N = w^2 + 2w

hope this helps if it does plz brainliest :)

Step-by-step explanation:

4 0
3 years ago
I like animals, what animals do you like?
IRINA_888 [86]

Answer:

tigers

Step-by-step explanation:

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3 years ago
Heights in inches of several tomato plants : 16,18,18,20,17,10,18,17 mean absolute deviation :
AysviL [449]
18 would have to be the mean because of the average
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3 years ago
HELP ME PLEASE WELL MAK BRAINLLEST
madreJ [45]

Answer:

28

Step-by-step explanation:

cuz if u look at it you will see it adding by 4 each time, so 24+4=28

Hope I helped you out :)

3 0
3 years ago
Read 2 more answers
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