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Rasek [7]
3 years ago
6

A pole that is 3.2m tall casts a shadow that is 1.66m long. at the same time a nearby tower cast a shadow that is 39.5 m long. h

ow tall is the tower?
Mathematics
1 answer:
Nikolay [14]3 years ago
4 0

Answer:

76.14 m

Step-by-step explanation:

create a proportion of height/shadow equals height/shadow

3.2/1.66 = h/39.5

cross-multiply:

1.66h = 39.5(3.2)

1.66h = 126.4

h = 76.14

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schepotkina [342]

Answer:

17

Step-by-step explanation:

AC = AB + BC

Since we know what each variable equals, we can write out the equation as shown:

47 = 5x + 3x - 1

Combining like terms:

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Add 1 on both sides:

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Divide 8 on both sides:

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Now that we know what X equals, we can solve BC.

BC = 3(6) - 1

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Therefore BC = 17.

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21 +3+ (3 x 9) * 9+5
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Answer:

272

Step-by-step explanation:

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Answer:

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