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charle [14.2K]
3 years ago
14

When my age is divided by 3, the remainder is 1. When my age is divided by 5, the remainder is 3. When my age is divided by 7, t

he remainder is 1. How old am I?
Mathematics
1 answer:
strojnjashka [21]3 years ago
8 0
You're age is 43
I take the multiples of 7
M{7,14,21,28,35,42...}
I add 1 because you need a remainder of 1 and then try to get the others 2 divisions to work
i choose 7 because its the biggest number it takes a lower amount of time
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Explain one way to add 3 digit numbers
Ray Of Light [21]
You can add them like this:

so if 156 + 213 + 109 was the equation then you would

first put them in order from biggest to smallest

213
156
+109
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then add:

¹ ← ←
213 ↑
156 ↑
+109 ↑
---------↑ ( carry the 10 )
478 (add the ¹ )

then you get the answer 478!

hope that helps :)
4 0
3 years ago
*IGNORE THE ANSWERS*<br> This is 2nd grade math. I forgot how to solve these equations. Help:)
Mazyrski [523]

Answer:

a. 14

b. 7

Step-by-step explanation:

a. First we must add all the animals together,

Total Animals:

Birds: 6

Fish: 5

Mammals: 11

Reptiles: 3

Therefore our equation is:

6 + 5 + 11 +3 = 25.

Now, we must subtract by the number of mammals:

25 - 11 = 14

So our answer for a. is 14!

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

b. So for this problem we must compute mammals + fish and than birds + reptiles. After we figure that out we must subtract them!

Mammals + Fish =

11 + 5 =

16

Next,

Birds + Reptiles =

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9

Now, let us subtract them,

16 - 9 =

7

So our answer for b. is 7 more animals!

3 0
3 years ago
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anastassius [24]

Answer:

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Answer:

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x=22.5°

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8 0
2 years ago
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Answer:

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