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valentinak56 [21]
3 years ago
12

A sign 4 meters tall cast a shadow 5 meters long . At the same time, a tree casts a shadow 30 meters long. What is the height of

the tree?
Mathematics
1 answer:
AfilCa [17]3 years ago
5 0
The information's given in the question are of vital importance. These information's should be very useful while getting to the desired answer of the given question.Let us now concentrate on the problem that needs to be solved.
The height of the sign that casts a shadow of 4 meters is = 5 meters
Then
The height of the tree that casts a shadow of 30 meters = (5/4) * 30 meters
                                                                                          = 150/4 meters
                                                                                          = 37.5 meters
So the tree casting a shadow of 30 meters is actually 37.5 meters in height. I hope the procedure is simple enough for you to understand.
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Answer:

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V= \pi r^2h

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Where

V_1 is the the volume of solid cylinder with radius r_1 and height h

V_2 is the volume of the cylinder being carved out with radius r_2 and height h

where

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h=25 mm

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V=\pi \times 25\times (7^2-5^2)

V=3.14 \times 25 \times(49-25)

V=3.14 \times 25 \times 24

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3 years ago
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Elodia [21]

Answer:

[A] It will take 24 minutes for Joe and Charmaine to meet again at the starting line.

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Step-by-step explanation:

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Lcm of 12 and 8 - 2×2×3×2 = 24

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[B] How many laps does Joe complete

Joe will complete 2 laps

[C] How many laps does Charmaine complete?

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<u>~lenvy~</u>

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