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mixer [17]
3 years ago
15

(12xy)/(x-y) if x=3 and y=-1

Mathematics
1 answer:
hichkok12 [17]3 years ago
3 0

Answer:

(12 \times 3 \times  - 1)  \div (3 - ( - 1)) =  - 9

Step-by-step explanation:

ghe answer is -9

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What is the area of the trapezoid below?
goldenfox [79]

Answer:

Area 684 m squared

Step-by-step explanation:

26 + 46 = 72

72/2 = 36

36 x 19 = 684

Hope this helps!

5 0
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Use
Aliun [14]

Answer:

3x - 6 = x + 9

2x - 6 = 9

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Step-by-step explanation:

3 0
3 years ago
Why is sin(20) = sin(160) = -sin(200) = -sin(340)?
Mashutka [201]
The sine is positive in second quadrant   so sin 20 = sin (180-20) = sin 160.

The sine is negative in the third quadrant  so sin (180+20)  = -sin 20
so sin 20 = - sin 200

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7 0
4 years ago
Read 2 more answers
The line y = kx + 6 is a tangent to the graph of
Wittaler [7]

Answer:

Step-by-step explanation:

For equating the equations, you get

 

x2 + kx - 3x + 4 = 0               eq1

 

 

Setting the derivative of f(x) equal to 3 yields

 

f'(x) = 3

 

2x + k = 3                           eq2

 

 

Now we substitute the value of k from eq2 into eq1.

 

x2 + x(3 - 2x) - 3x + 4 = 0

 

 

Solve for x from this equation.  Then plug in the value of x into eq2 to solve for k

6 0
3 years ago
what’s transformation is the result of reflect in the original figure across the Y-axis and then across the X-axis
antoniya [11.8K]

Answer:

D

Step-by-step explanation:

When reflected across the Y it becomes B, but then across the X, it fits into D.

3 0
3 years ago
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