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snow_lady [41]
3 years ago
7

V (t)=32t If a rock dropped off a bridge, how fast will it be falling after 3 seconds

Mathematics
1 answer:
kondor19780726 [428]3 years ago
6 0
V(t) = 32t

when t = 3 seconds,

V = 32*3

V = 96

So velocity will be 96 units/s     after 3 seconds.
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A race car travels 100 feet in 5 seconds at this rate of speed, how many feet will the race car travel in 1 minute?
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100 feet in 5 seconds = 200 feet in 10 seconds
 
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Convert 4B from hexadecimal to decimal.
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A line intersects the points(-22,-14) and (-18,-12). What is the slope-intercept equation for this line?
zaharov [31]

Hello there,

Well we are going to start off with the equation to find the slope based on the given points:

                                                    \frac{y_{2} - y_{1}  }{x_{2} -x_{1} }

Now using the two given points we are going to plug in and solve:

                                         \frac{(-12)-(-14)}{(-18)-(-22)} = \frac{2}{4} = \frac{1}{2}

From this you know that \frac{1}{2} is the slope of the equation. However, to find the y-intercept we are going to use y = mx+ b and plug in one of the points to solve:

                                        (-14) = \frac{1}{2} (-22) + b

                                        (-14) = (-11) + b

                                         -3 = b

That means that the y-intercept is at (0, -3). Lastly, we are just going to plug all this into the slope-intercept form:

                                       y = \frac{1}{2} - 3

Hope I helped,

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6 0
2 years ago
Construct a linear equation for the table. What is the slope of the line
Klio2033 [76]

We have points (-3, 4), (-1, 2), (4, -3) and (6,-5)

Let's verify it's a line by calculating the slopes between successive points.

Slope is change in y over change in x.

(2 - 4)/(-1 - -3) = -2/2 = -1

(-3 - 2)/(4 - -1) = -5/5 = -1

(-5 - -3)/(6 - 4) = -2/2 =-1

Yup.  We have a line of slope -1 through point (-1, 2)

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y  = -x - 1 + 2

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That's the linear equation for the table.  

Answer:  Linear equation: y = -x + 1          slope = -1

3 0
2 years ago
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