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valkas [14]
3 years ago
5

. one decimal place

Mathematics
2 answers:
Irina18 [472]3 years ago
4 0
1.= 168
2= 70
3= 15
HOPE THIS HELPS
SOVA2 [1]3 years ago
3 0

Answer:

1. 168

2. 70

3. 15

Hope that this helps!

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- vector equation: r(t) = <1 + 6t, -1 + 7t, 7 - 6t> 
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Explanation:

To obtain the vector equation, we first get a vector v that is parallel to the line. To get the vector v, we subtract p from q. So,

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So, the equation of the line joining p and q is given by

r(t) = v_0 + tv&#10;\\ \indent = \left \langle 1, -1, 7 \right \rangle + t\left \langle 6, 7, -6 \right \rangle&#10;\\ \indent = \left \langle 1, -1, 7 \right \rangle + \left \langle 6t, 7t, -6t \right \rangle&#10;\\ \indent \boxed{r(t) = \left \langle 1 + 6t, 1 + 7t, 7 - 6t \right \rangle }

In the parametric equation of the line, we just need to get the x, y and z coordinates in the vector equation.

Since the vector equation is given by 

r(t) = \left \langle 1 + 6t, 1 + 7t, 7 - 6t \right \rangle

The parametric equations of the line are given by:

x(t) = 1 + 6t&#10;\\y(t) = 1 + 7t&#10;\\z(t) =  7 - 6t


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