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Juli2301 [7.4K]
4 years ago
11

What is the square root of - 121

Mathematics
2 answers:
ch4aika [34]4 years ago
5 0
The answer of square root of -121 is 11
Mrac [35]4 years ago
5 0
-11.
-121/11=-11
thats how i do it, its probably the wrong way to do it though,
anyway, Hope I helped, :-) bye bye.
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Choose the correct vertex of the function f(x) = x2 - X + 2.
8_murik_8 [283]

Answer:

The vertex of the function is (\frac{1}{2}, \frac{7}{4})

Step-by-step explanation:

Vertex of a quadratic function:

Suppose we have a quadratic function in the following format:

f(x) = ax^{2} + bx + c

It's vertex is the point (x_{v}, y_{v})

In which

x_{v} = -\frac{b}{2a}

y_{v} = -\frac{\Delta}{4a}

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\Delta = b^2-4ac

If a<0, the vertex is a maximum point, that is, the maximum value happens at x_{v}, and it's value is y_{v}.

f(x) = x² - X + 2.

Quadratic equation with a = 1, b = -1, c = 2

So

\Delta = b^2-4ac = (-1)^2 - 4(1)(2) = 1 - 8 = -7

x_{v} = -\frac{(-1)}{2} = \frac{1}{2}

y_{v} = -\frac{-7}{4} = \frac{7}{4}

The vertex of the function is (\frac{1}{2}, \frac{7}{4})

4 0
3 years ago
What is 11 over 8 simplified
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4 0
3 years ago
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A quantity P is an exponential function of time t. Use the given information about the function P = P0e^{kt} to find values for
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vekshin1

Answer:

The range of the given data set is 6.

Step-by-step explanation:

Range of the data set provides us with some basic information regarding spread of the data.

It is commonly used and quite easy to find.

First step is to arrange the values from the lowest to the highest.

It is already given arranged, so that will savd us some time.

Next step is simply subtracting the two values on the extremes, or, simply put, subtract the lowest from the highest value.

So, the range in this case would be 7-1=6.

8 0
3 years ago
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