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Simora [160]
2 years ago
5

1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9+10 times 2

Mathematics
1 answer:
Maksim231197 [3]2 years ago
6 0

Answer:

200

Step-by-step explanation:

<u>Step 1:  Add</u>

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

1 + 2 = 3

3 + 3 = 6

6 + 4 = 10

10 + 5 = 15

15 + 6 = 21

21 + 7 = 28

28 + 8 = 36

36 + 9 = 45

45 + 1 = 46

46 + 2 = 48

48 + 3 = 51

51 + 4 = 55

55 + 5 = 60

60 + 6 = 66

66 + 7 = 73

73 + 8 = 81

81 + 9 = 90

90 + 10 = 100

<em>100</em>

<u>Step 2:  Multiply</u>

100 * 2

<em>200</em>

Answer:  200

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6 0
3 years ago
1/7 of all students achieved great success in the written exercise in mathematics. 3/7 very good success. 2/7 good success, whil
laila [671]

Answer:

x = 28

Step-by-step explanation:

Let the total number of students = x

x/7 + 3x/7 + 2x/7 + 4 = x If that is all there is.  If it isn't the problem can't be done. Combine like terms.

x(1 + 3 + 2)/7 + 4 = x

x (6/7) + 4 = x                       Subtract 6x/7 from both sides

4 = x - 6x/7

4 = 7x/7 - 6x/7                     Combine

4 = 1/7x                                Multiply both sides by 7

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6 0
2 years ago
Can someone help me with this question
Alexxx [7]
Vas happening?
You break it down
3 ^5 is 3 x 3 x 3 x 3 x 3 = 729
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12 ^ 10 is 12 x 12 x 12 x 12 x 12 x 12 x 12 x 12 x 12 x 12 = 6.19174e10
So the answer is incorrect
8 0
2 years ago
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Aleksandr-060686 [28]
NO is 2 times LM

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2x + 2 = 4x

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1 = x

Plug that in for 4x

4(1)

4
4 0
3 years ago
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