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blsea [12.9K]
3 years ago
14

Help please! You'll get 40 points :D

Mathematics
2 answers:
uysha [10]3 years ago
7 0

Answer:

<u>The difference:</u>

  • 128.04 - 8.287 = 119.753

<u>The product:</u>

  • 1389 × 6.58 = 9139.62

<u>The sum:</u>

  • 840.89 + 928 = 1768.89

<u>The quotient:</u>

  • 74.4 ÷ 0.8 = 93
bixtya [17]3 years ago
4 0

Answer:

840.89+928= 1768.89

74.4 / 0.8= 93

Step-by-step explanation:

I hope this helps <3

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3 years ago
At 3pm, the length of the shadow of a thin vertical pole standing on level ground is the same as the height of the pole. A while
aliya0001 [1]

Answer: The height of the pole is 175.97 ( approx )

Step-by-step explanation:

Let the height of the pole is x cm,

Also, let the angle of elevation of the sun to the pole at 3 pm is \theta

Thus, by the question,

tan\theta = \frac{\text{ The height of the pole}}{\text{ The height of the shadow}}

\implies tan\theta = \frac{x}{x}    ( at 3pm the height of shadow = height of the pole)

\implies tan\theta = 1

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Again, according to the question,

When the angle of elevation is   (\theta - 12^{\circ}),

The height of shadow = x + 95,

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x=175.969930202\approx 175.97\text{ cm}

4 0
3 years ago
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