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STatiana [176]
2 years ago
12

At a given time of day, the ratio of the height of an object to the length of its shadow is the same for all objects. If a 4-ft

stick in the ground casts a shadow of 0.8 ft, find the height of a
tree that casts a shadow that is 7.04
The height of the tree is?
Mathematics
1 answer:
Gre4nikov [31]2 years ago
4 0
4/0.8=X/7.04
0.8x=28.04
X= 35.05’
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To simplify x^2-3 =5x

You would first subtract 5x from both sides

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Next you would plug this into the quadratic equation:

X=5+/- the square root of: -5^2 -4(1)(-3)/2(1)

Then simplify,
5+/- the squareroot of 24 + 12 / 2

5+/- The squareroot of 36 /2

5+/- 6 / 2

Then solve if it’s an addition or subtract

5+6/2

X=11/2 or 5 1/2

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The answer is x=-1/2 or x=11/2

Hope this helps

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krok68 [10]
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