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GuDViN [60]
2 years ago
6

-7+(63/9) Evaluate the Following Expression

Mathematics
1 answer:
hodyreva [135]2 years ago
3 0

Answer:

0

Step-by-step explanation:

-7+(\frac{63}{9})=-7+7=0

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Determine whether the following lines represented by the vector equations below intersect, are parallel, are skew, or are identi
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Answer:

r(t) and s(t) are parallel.

Step-by-step explanation:

Given that :

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r(t)=⟨1−t,3+2t,−3t⟩

s(t)=⟨2t,−3−4t,3+6t⟩

The objective is to determine if the following lines represented by the vector equations below intersect, are parallel, are skew, or are identical.

NOTE:

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here;

d_1 = (-1, \ 2, \ -3)

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s(t) = \dfrac{x-0}{2} = \dfrac{y+5}{-4}=\dfrac{z-3}{6} = t

∴

\dfrac{d_1}{d_2}= \dfrac{-1}{2} = \dfrac{2}{-4}= \dfrac{-3}{-6}

Hence, we can conclude that r(t) and s(t) are parallel.

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Answer:

Step-by-step explanation:

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