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jeka94
3 years ago
6

Express the complex number in trigonometric form. -6i

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0
6i =6 (cos 3n_2 +i sin 3n_2
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If a denotes some​ event, what does upper a overbara ​denote? if ​p(a)equals=0.9930.993​, what is the value of ​p(upper a overba
masya89 [10]
P(A) = 0.993 is the probability of event A
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P(A) is the probability of not A (note that I am trying to place a bar over A. I hope you can see it, else it is because the editor did not show it as I intended)

Then, use the fact that the probability of A plus the probability not A is equal to 1:
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=> P(A) + P(A) = 1
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=> P(A) = 1 - P(A) = 1 - 0.993 = 0.007

So, the answers are:
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1) P(A) = 0.07
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2) Yes, A is unlikely because its probability is very low.
5 0
3 years ago
Are the numbers (2,3)(1,5)(2,7) a function ?
Arturiano [62]

Firstly they are not numbers, they are ordered pairs or points with a form (x,f(x)) yes they probably lie on a function graph but that would be rather impossible to find out. The function may be linear, exponential, logarithmic etc. we can't tell. All we can tell is that if these ordered pairs P_{1,2,3} lie on a function graph P_{1,2,3}\in G_f where G_f=\{(x,f(x)):\forall x\in D_f\wedge f(x)\in T_f\} where D is definition set of function defined x's and T a transformation set of f(x)'s for this function. So yes they may lie on some lambda function but they themselves are nothing but an ordered pairs with no meaningful connection.

Hope this helps.

4 0
3 years ago
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A = 1/2(a+x)h solve for x
ankoles [38]

For this case we have the following equation:

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Answer:x = \frac {2A} {h} -a

7 0
3 years ago
The graph shown here is the graph of which rational function
Whitepunk [10]
This is the graph of  1/x moved 4 units to the left 

so its f(x) = 1 / (x + 4)

C
6 0
3 years ago
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Vikentia [17]

Answer:

not 100% but i think x may be 23.5

Step-by-step explanation:

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