How fast are you going if you travel 45 miles in 60 minutes?

Mathematics

1 answer:

Sloan [31]3 years ago

7 0

Answer:

B. 45 miles per hour

Step-by-step explanation:

The question is asking for the speed. Speed is found by taking the distance and dividing by the time

We need to convert the time from minutes to hours

60 minutes = 1 hour

speed = distance / time

= 45 miles / 1 hour

= 45 miles per hour

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Find parametric equations and symmetric equations for the line. (Use the parameter t.) The line through (4, −5, 2) and parallel

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Step-by-step explanation:

From the given information, the symmetric equations for the line pass through(4, -5, 2) i.e ( $x_o, y_o, z_o$ ) and are parallel to $\dfrac{x+5}{1} = \dfrac{y}{2}= \dfrac{z-3}{1}$

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The symmetric equation can now be as follows:

$\begin {vmatrix} x = 4+ t \\ \\ \dfrac{x-4}{1} = t \begin {vmatirx} \end {vmatrix}$ $\begin {vmatrix} y = - 5+2t \\ \\ \dfrac{y+5}{2} =t \end {vmatrix}$ $\begin {vmatrix} z =2+t \\ \\ \dfrac{z-2}{1} =t \end {vmatrix}$