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3 years ago

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To find the height of a tower, a surveyor positions a transit the is 2 meters tall at a spot of 40 meters from the base of the t

ower. She measures the angle of elevation to the top of the tower to be 46 degrees. What is the height of the tower, to the nearest meter?

1 answer:

Mrac [35]3 years ago

5 0

The height of the tower roughly equals 41.421 meters.

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Answer:

"I Only" is the correct answer

Step-by-step explanation:

Given inequality is:

-10>3x-6

In order to check which numbers are solution to the given inequality, we will put each number one by one in the inequality. If the inequality is true after putting the number, the number is the solution of the inequality.

So,

<u>I . -10</u>

Putting -10 in the inequality

$-10>3x-6\\-10>3(-10)-6\\-10>-30-6\\-10> -36$

The inequality results in true after putting x=-10 so -10 is the solution of inequality.

<u>II. 5</u>

Putting 5 in the inequality

$-10>3x-6\\-10>3(5)-6\\-10>15-6\\-10>9$

The equality doesn't hold true for x=5 so 5 is not the solution of the problem.

<u>III. -1</u>

Putting -1 in the equation

$-10>3x-6\\-10>3(-1)-6\\-10>-3-6\\-10>-9$

Inequality doesn't hold true for x=-1 so it is not the solution of the inequality.

Hence,

"I Only" is the correct answer as only -10 is the solution of inequality.

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