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sergij07 [2.7K]
3 years ago
14

Consider lines An and CD

Mathematics
1 answer:
vichka [17]3 years ago
5 0

Answer:

slope of AB = 2

slope CD = 2

Step-by-step explanation:

the equation of a line is y = ax+ b  where a is the slope, b is the y-intercept

let us take  yB - yA

→ yB - yA = axB <u>+ b</u> - axA <u>- b</u>

→ yB - yA = a(xB - xA)

→ a = (yB - yA) / (xB = xA)   =  (6 - 2) / (-5 - (-7)) = 2

same goes for line CD

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A spotlight is mounted on the eaves of a house 30 feet above the ground. A flower bed runs between the house and the​ sidewalk,
never [62]

Answer:

The ladder should be 34 feet long.

Step-by-step explanation:

The height of the spotlight above ground = 30 feet

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Lets say the length of the ladder or hypotenuse is = x

We will apply Pythagoras theorem here.

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5 0
3 years ago
Part A
nikdorinn [45]
A is one correct answer
8 0
3 years ago
Need help! I have no clue how to even go about solving this..
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In Problem 13, we see the graph beginning just after x = -2. There's no dot at x = -2, which means that the domain does not include x = -2. Following the graph to the right, we end up at x = 8 and see that the graph does include a dot at this end point. Thus, the domain includes x = 8. More generally, the domain here is (-2, 8]. Note how this domain describes the input values for which we have a graph. (Very important.)

The smallest y-value shown in the graph is -6. There's no upper limit to y. Thus, the range is [-6, infinity).

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3 years ago
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