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sergij07 [2.7K]

3 years ago

9

A meter stick perpendicular to the ground casts a 1.5 meter shadow at the same time a telephone pole casts a shadow that is 9 me

ters how tall is the telephone pole?

1 answer:

snow_lady [41]3 years ago

7 0

The height of the telephone pole = 9 / 1.5 = 6 meters

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3[–x + (2 x + 1)] = x – 1

photoshop1234 [79]

Answer:

<h3>x = -2</h3>

Step-by-step explanation:

$3[-x + (2 x + 1)] = x -1\\\\\mathrm{Expand\:}3\left(-x+\left(2x+1\right)\right):\quad 3x+3\\3x+3=x-1\\$

Collect like terms

$3x -x =-1-3$

Add similar elements

$2x = -4\\\\\mathrm{Divide\:both\:sides\:by\:}2\\\frac{2x}{2}=\frac{-4}{2}\\\\Simplify\\\\x = -2$

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Step-by-step explanation:

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2 years ago

Henry can write 5 1/4 pages of his novel in 3 hours how many page can he write in 8 hours

ICE Princess25 [194]

If you would like to know how many pages can Henry write in 8 hours, you can calculate this using the following steps:

5 1/4 = 21/4 pages ... 3 hours
x pages = ? ... 8 hours

21/4 * 8 = 3 * x
21 * 2 = 3 * x
3 * x = 42
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Henry can write 14 pages of his novel in 8 hours.

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3 years ago

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Yuliya22 [10]

Pythagorean Theorem- A^2+B^2=C^2
1) 6^2+9^2= x^2
2) 36+81= 117
Square root 117 =10.82

Hope this helped :)

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3 years ago