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Tresset [83]
3 years ago
15

New #6 find the value of x. Round answer to nearest tenth.

Mathematics
1 answer:
bija089 [108]3 years ago
6 0

This is a right triangle. We know that

                                                  \sin x = \frac{\text{opposite side}}{\text{hypotenuse}}

Therefore,

                                            \sin x = \frac{15}{20} = \frac{3}{4} = 0.75

Now we have:

                                                    x=\sin^{-1}0.75

                                                         x=48.6

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The Given question is INCOMPLETE as the statements are not provided.

Now, let us try and solve the given expression here:

The given expression is: (a +b)^n, n > 0

Now, the BINOMIAL EXPANSION is the expansion which  describes the algebraic expansion of powers of a binomial.

Here, (a+b)^n  = \sum_{k=0}^{n}{n \choose k}a^{(n-k)}b^{(k)}

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(a+b)^n  ={n \choose 0}a^{(n)}b^{(0)} + {n \choose 1}a^{(n-1)}b^{(1)} + {n \choose 2}a^{(n-2)}b^{(2)} + .....  +{n \choose n}a^{(0)}b^{(n)}

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