3 years ago

1/4 divided by 2 ? Answer. ?

Mathematics

1 answer:

Gnesinka [82]3 years ago

8 0

Answer:

0.125 or 1/8

Step-by-step explanation:

1/4/2

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Find the unit vector in the direction of u = (-3,2).

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$\bf \textit{unit vector for }(a,b)\implies \left( \cfrac{a}{\sqrt{a^2+b^2}}~~,~~\cfrac{b}{\sqrt{a^2+b^2}} \right)\\\\
-------------------------------\\\\
(-3,2)\qquad \stackrel{unit~vector}{\implies }\qquad \left( \cfrac{-3}{\sqrt{(-3)^2+2^2}}~~,~~\cfrac{2}{\sqrt{(-3)^2+2^2}} \right)
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\left( -\cfrac{3}{\sqrt{13}}~~,~~ \cfrac{2}{\sqrt{13}}\right)\\\\
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$\bf \textit{and now let's \underline{rationalize} the denominator for each}
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-\cfrac{3}{\sqrt{13}}\cdot \cfrac{\sqrt{13}}{\sqrt{13}}\implies -\cfrac{3\sqrt{13}}{13} \qquad \qquad \qquad \qquad \cfrac{2}{\sqrt{13}}\cdot \cfrac{\sqrt{13}}{\sqrt{13}}\implies \cfrac{2\sqrt{13}}{13}
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\textit{and written in \underline{ai+bj form}}\qquad -\cfrac{3\sqrt{13}}{13}i~~~~+~~~~\cfrac{2\sqrt{13}}{13}j$

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he diagonal of a TV set is 52 inches long. Its length is 28 inches more than the height. Find the dimensions of the TV set. The

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Yup yea you got that yummy yummy

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I am Lyosha [343]

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