3 years ago

How do I find an intersection? >·<

1 answer:

3 0

I was actually just learning this. ^-^

To find the intersection, look at the numbers. and see what numbers do both groups have in common.

In this case, we have { 2, 4, 6, 9 } and { 3, 5, 8 }

As you can see, they both have nothing in common. Number wise.

So the answer would be Null.

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Toucans and blue-and-yellow macaws are both tropical birds. The length of the toucan in the picture to the right is about

Sliva [168]

Answer:

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Step-by-step explanation:

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2 years ago

Find in degrees the numeric value of the acute angle of rotation that eliminates the product term from the equation 7x2+24xy−34x

lutik1710 [3]

Rotating the graph of $Ax^2+Bxy+Cy^2+Dx+Ey+F=0$ with $B\ne0$ counterclockwise by $\theta$ eliminates the $xy$ term, where $\cot2\theta=\frac{A-C}{B}.$ Plugging in, we have $\cot2\theta=\frac{7}{24},$ since $C=0.$ Solving, we have $\theta=\frac{1}{2}\cot^{-1}(\frac{7}{24})\approx\boxed{36.9^\circ}.$