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Alona [7]
2 years ago
8

Anyone know the answer ?

Mathematics
2 answers:
Firdavs [7]2 years ago
8 0

Answer:

7

Step-by-step explanation:

10x-2=9x+5 because the angles are the same as m and n are parallel.

10x=9x+7

x=7

Aleksandr-060686 [28]2 years ago
5 0
I mean i can help! So start off by solving (10x-2)°= (5x - 1) next, solve (9x+5)°= the same because there is no solution, add (5x - 1)+(9x+5)= 2(7x +2) i hope this answers your question!
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Answer:

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Step-by-step explanation:

We can transform this to an arithmetic series by  working it out in pairs:

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10^2 - 11^2 = -1 * 21 = -21 and so on

The common difference is -4.

The number of terms in this series  is (998 - 6) / 2 + 1

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Sum of n terms of an A.S:

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Sum = (497/2)[-26 - 4(497-1)]

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3 years ago
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AleksAgata [21]

Answer:

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Step-by-step explanation:

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3 years ago
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