2 years ago

Which one shows an alternate interior angle ??

Mathematics

1 answer:

Over [174]2 years ago

6 0

A.
It shows angles on opposing sides and they are on the inside

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prohojiy [21]

X would be 90° ... every x is 90°

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Type in the correct number for the reduced form of the fraction 25/100, then click the Check Answer button.

Leni [432]

The correct answer would be 1/4th

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3 years ago

If x^2+1/x^2=3 find the value of x^2/(x^2+1)^2<br> Express answer as a common fraction.<br> Thanks!!

timama [110]

$x^2+\dfrac1{x^2}=3\implies x^4+1=3x^2\implies x^4-3x^2+1=0$

By the quadratic formula,

$x^2=\dfrac{3\pm\sqrt5}2\implies x^2+1=\dfrac{5\pm\sqrt5}2$

Then

$(x^2+1)^2=\dfrac{25\pm10\sqrt5+5}4=\dfrac{15\pm5\sqrt5}2$

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Multiply numerator and denominator by the denominator's conjugate:

$\dfrac{3\pm\sqrt5}{15\pm5\sqrt5}\cdot\dfrac{15\mp5\sqrt5}{15\mp5\sqrt5}=\dfrac{45\pm15\sqrt5\mp15\sqrt5-25}{15^2-(5\sqrt5)^2}=\dfrac{20}{100}=\dfrac15$

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3 years ago

A cereal box has a rectangular base with a length of 8 in. and width of 3 in. The total

krek1111 [17]

Answer: 16.5

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3 years ago

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Serga [27]

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D. 4000 per month

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If they make 48000 per year, to find how mmuch s/he makes in a month, we have to divide it by 12 because there are 12 months in a year.

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3 years ago