Answer:
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#12:
Assuming that I have those points correct: (1, 5) and (-4, -10), the slope of this line is
5-(-10)
m = --------------- = 15/5 = 3
1-(-4)
The line passes thru the origin, so the y-intercept is 0.
So the equation of this line is y = 3x.
I see no marks (points) in the illustration for #13.
Answer:
C. 4.2a + 0.8
Step-by-step explanation:
Given:
The two binomials given for addition are:
and
Now, adding both the binomials, we get:
Distributing the positive sign inside the second binomial, we get:
Now, combining like terms using the commutative property of addition, we get:
Simplifying the above expression, we get:
Therefore, the resulting addition of the given binomials is
Hence, option C is the correct answer.
Answer:
The answer would be D. 38.7 miles per hour. To figure this out you must replace the d with 41 and the t with 2.3 so you get an equation that looks like this, 41=r-2.3. With this you can easily subtract 41-2.3 and you get 38.7 as the r. ;)
Step-by-step explanation: