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lina2011 [118]
3 years ago
13

What is the definition of addition

Mathematics
2 answers:
Katen [24]3 years ago
5 0

Answer:

the difinition of addition is adding two things together

Step-by-step explanation:

Leviafan [203]3 years ago
5 0

Answer: Hi!

The definition of addition is when you add two or more more numbers (positive or negative.)

Hope this helps!

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The graph plots four equations, A, B, C, and D: Line A joins ordered pair negative 6, 16 and 9, negative 4. Line B joins ordered
Margaret [11]

Answer:

The pair of equations which has (2,12) as its solution is,

equation B and equation C.

                           

Step-by-step explanation:

According to the question,

equation of line A is \frac {y - 16}{x + 6} = \frac {16 + 4}{-6 - 9}

                            or, \frac {y - 16}{x + 6} = \frac {-4}{3}

                            or, 3y - 48 = -4x - 24

                            or, 3y + 4x = 24 ------------------(1)

Now, the point (2, 12) doesn't satisfy (1). Hence, (2,12) is not a solution for the line A.

Equation of line B is, \frac {y - 20}{x + 2} = \frac {20 - 0}{-2 - 8}

                              or, \frac {y - 20}{x + 2} = -2

                              or, y - 20 = -2x  - 4

                              or, y + 2x = 16  -----------------------------(2)

The point (2,12) is satisfied by (2). Hence, (2, 12) is a solution for line B.

Equation of line C is, \frac {y + 6}{x + 7} = \frac {20 + 6}{6 + 7}

                              or, \frac {y + 6}{x + 7} = 2

                              or, y + 6 = 2x + 14

                              or. y - 2x = 8 -----------------------------------(3)

The point (2, 12) is satisfied by (3). Hence, (2 , 12) is a solution for the line C.

Equation of line D is, \frac {y - 20}{x - 7} =\frac {20 + 7}{7 - 0}

                               or, \frac {y - 20}{x - 7} = \frac {27}{7}

                               or, 7y - 140 = 27x - 189

                               or, 7y  - 27x = -49----------------------------------------(4)

The point (2, 12) is not satisfied by (4). hence, (2, 12) is not a solution of the line D

Hence, the pair of equations which has (2,12) as its solution is,

equation B and equation C.

                           

6 0
3 years ago
(10x – 2) - (2x - 7)<br> O 8x + 5<br> O 12.2 + 5<br> o 12c - 9<br> O 83 -9
Yuki888 [10]

Answer:

the first one

8x+5

Step-by-step explanation:

10x-2-2x+7= 8x+5

8 0
2 years ago
Please help me I promise I will mark Brainliest, I need an answer asap!!!!!!!! please hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Fin
ValentinkaMS [17]

Answer:

D

Step-by-step explanation:

To find the inverse, all we have to do is switch the x and f(x) so instead of f(x)  = 5x + 6, it becomes:

x = 5f(x) + 6

x - 6 = 5f(x)

f⁻¹(x) = (x - 6) / 5

6 0
3 years ago
Solve the formula for t.<br> d = rt<br> Pls help easy branliest if right
Kay [80]

Answer:

t=d/r

Explanation:

Dived both sides by r

7 0
3 years ago
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Which is a zero if the quadratic function f(x) = 16x2 + 32x - 9
Artist 52 [7]

x= 1/4 , -9/4

when you set the function to equal to zero you will get these values

5 0
3 years ago
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