3 years ago

PLEASE HELP!! Which of the following are considered skew lines?

Mathematics

1 answer:

Rom4ik [11]3 years ago

8 0

Answer:

Step-by-step explanation:

Hope this helps hope you get it right

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Choose the correct simplification of (4x − 3)(3x2 − 4x − 3).

tester [92]

$(4x - 3)(3x^2 - 4x - 3)$

$=4x\cdot \:3x^2+4x\left(-4x\right)+4x\left(-3\right)-3\cdot \:3x^2-3\left(-4x\right)-3\left(-3\right)$

$=4x\cdot \:3x^2-4x\cdot \:4x-4x\cdot \:3-3\cdot \:3x^2+3\cdot \:4x+3\cdot \:3$

$\mathrm{Simplify}\:4x\cdot \:3x^2-4x\cdot \:4x-4x\cdot \:3-3\cdot \:3x^2+3\cdot \:4x+3\cdot \:3:\quad 12x^3-25x^2+9$

$=12x^3-25x^2+9$

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3 years ago

Jane and Jill both love to collect books. Jane has twice as many books as Jill. Together, they have a total of 216 books in thei

mezya [45]

Answer:

144

Step-by-step explanation:

Jane has 2 times as many books as Jill, so there are 3 parts. Two parts Jane and one part Jill. So, divide 216 by 3 and it's 72, which equals one part. Jane has two parts, so 72 x 2. Jane has 144 books.

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3 years ago

A movie is 7 1 8hours long. After 45 minutes, how much of the movie is left?

kkurt [141]

Answer: 382.5 minutes

Step-by-step explanation:

7 1/8 = 7.125

7.125*60=427.5

Thus, the movie is 427.5 minutes long

427.5-45 = 382.5

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3 years ago

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AlekseyPX

Answer:

Step-by-step explanation:

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3 years ago

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2 years ago