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GrogVix [38]
3 years ago
10

a tree casts a shadow 27meters long.a nearby by post that is 5 meters tall casts a shadow 3 meters long. how tall is the tree? (

hint: set up proportion to solve)​
Mathematics
2 answers:
ololo11 [35]3 years ago
8 0
5 x 27=135
3 x x= 135
135/3=45 = lenght of tree
coldgirl [10]3 years ago
8 0

Answer:

The tree is 45 meters high.

Step-by-step explanation:

Drawing this out will make it much easier.

In the figure, 3 is proportional to 27, and 5 is proportional to the missing side (x).

Insert the figures into an equation and solve:

3/5 *  27/x

Cross multiply:

3(x)= 27(5)

3x=135

135/3=x

x=45

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Answer:

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Step-by-step explanation:

The slope of a line given two points is given by

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The point slope form of a line is

y-y1 = m(x-x1)

y - 3 = -7/8( x - -1)

y-3 = -7/8(x+1)

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What is the equation of the line shown in this graph? <br><br>any links will be reported<br><br>​
Blizzard [7]

Answer:

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Step-by-step explanation:

Slope is written in the form y=mx+b. Where m is the slope and b is the y-intercept.

When there isn't a slope, as in the line is flat and it isn't moving up or down, you wouldn't write anything for it. You would just write y equals the y-intercept (y = b).

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Hopefully this makes sense :)

Btw, I also answered in the main comments earlier, so you can check that out as well.

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2 years ago
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