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2 years ago

How would the inverse operation of addition be

Mathematics

2 answers:

Oksi-84 [34.3K]2 years ago

8 0

Answer:

m=18

Step-by-step explanation:

36+m=54

m=54-36

m=18

liraira [26]2 years ago

6 0

Answer:

Step-by-step explanation:

36 + m = 54 <em>subtract 36 from both sides</em>

36 - 36 + m = 54 - 36

m = 54 - 36

m = 18

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Factorize: a^2+10ab -75b^2

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

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2 years ago

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A board of length 7 divided by the quantity x minus 2 end of quantity meters was cut into two pieces. If one piece is 3 divided

bulgar [2K]

Answer:

Length of other board $=\frac{4x+20}{x^{2} -4}$ metres

Step-by-step explanation:

Given: Length of board = $\frac{7}{x-2}$ metres

Length of board was divided into two.

Length of one piece = $\frac{3}{x+2}$ metres

Let $l$ = length of the other board

Length of the other board = Length of board - Length of one piece

So, $l=\frac{7}{x-2}-\frac{3}{x+2}$

$l=\frac{7(x+2)-3(x-2)}{(x-2)(x+2)} \\\\l=\frac{7x+14-3x+6}{x^{2} -4} \\\\l=\frac{4x+20}{x^{2} -4}$

Thus, length of the other board $=\frac{4x+20}{x^{2} -4}$ metres

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3 years ago

Solve for y.<br> -16y - 7y + -5 = 18<br> Y =

Anton [14]

Answer: y = - 1

Step-by-step explanation:

Combine the like terms. -23y - 5 = 18
Add 5 on both sides. -23y = 23
Divide -23 on both sides. y = - 1

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2 years ago

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e-lub [12.9K]

Prime for 2 digit odd number: 13 , 11 , 17, etc

Odd number that is composite: 39, 25, 15, etc

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2 years ago

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Answer:,n ,

Step-by-step explanation:

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