A line parallel to the given one will have the same slope, 0.5. For the purpose here, it is convenient to start with a point-slope form of the equation, then simplify. For slope m and point (h, k), the equation of the line can be written as
... y = m(x -h) +k
We have m=0.5, (h, k) = (-9, 12), so the equation is ...
... y = 0.5(x +9) +12
... y = 0.5x +16.5
Answer:
A zero slope means there is no change in the y -coordinates as the x -coordinates change, so this is a horizontal line.
Step-by-step explanation:
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Answer:
x = -2, x = 1
Step-by-step explanation:
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<span>(1.3t3 + 0.4t2 – 24t) + (8 – 18t + 0.6t2)
In adding polynomials, make sure that each term is grouped together.
1.3t</span>³ + 0.4t² - 24t
<u> + 0.6t² - 18t + 8</u>
1.3t³ + 1.0t² - 42t + 8
In a polynomial equation, arrangement of each term is dependent on the exponential number. It should be from the highest exponent to the lowest.
By definition, we have the following equation:
d = v * t
Where,
d = Distance
v = rate
t = time
The total distance traveled will be:
45t + 60 (8 - t) = 405
Solving for the time we have:
t = 5 s
Answer:
he drives at 45 mph for 5 s