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schepotkina [342]
3 years ago
15

Solve the equation M-4=2m

Mathematics
1 answer:
NemiM [27]3 years ago
4 0

Answer:

m=-4

m-4=2m

m-2m=4 combine like terms

-m=4 change the signs on both sides of the equation

m=-4

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<span>THE ANSWER: 

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7 0
3 years ago
Given the sequence 8, 12, 16, 20, 24, what is the sum of the 31st and 19th terms?
erica [24]

Answer:

First term (a) =8

Common difference (d)= t2-t1

=12-8

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Now, sum of first 31th term (tn31) =n/2{2a+(n-1)d}

= 31/2{2×8+(31-1)4}

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Step-by-step explanation:

Similarly use 19 as (n) for the 19th term

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2 years ago
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Gekata [30.6K]

Answer:

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Step-by-step explanation:

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9x-1 = perimeter

All I have done is combine like terms.

If there is a... x = something, replace x with the number.

8 0
3 years ago
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Step-by-step explanation:

4 0
2 years ago
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