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zubka84 [21]
3 years ago
5

Which expression is equivalent to sin^2x-sin x-2/sin x-2

Mathematics
1 answer:
Arturiano [62]3 years ago
3 0
Post the problem from the paper
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igor_vitrenko [27]
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To find y
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6th grade
Alex Ar [27]

Answer:

46

Step-by-step explanation:

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3 years ago
Can someone help me please
Alex73 [517]

The answer is phoenix is located at (-7,-10) it is written like this because you always have the x coordinate then the y coordinate

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Solve this system to determine how many minutes you have been walking and how many minutes your friend has been walking: x+y=72
guajiro [1.7K]
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2 years ago
Find the vertex of the graph of f(x) = x2 + 4x - 5.
Fofino [41]
You can solve this in two ways.

1. Graphical. Plot the graph for x between -5 and 1 (see attachement).
The vertex of the graph is the peak of the curve, which has the coordinates x=-2, y=-9.

2. Analytical. Calculate the derivative of the function f(x)
\frac{df}{dx}=2x+4
Solve the equation:
2x+4=0
will give the solution x=-2.
Replace x=-2 in the f(x) function and you'll get the value of y:
(-2)^2+4 \cdot (-2)-5=4-8-5=-9

You get the same answer: x=-2, y=-9

So the answer is
<span>B. (-2, -9)</span>

7 0
3 years ago
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