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sashaice [31]
3 years ago
9

Please help I will mark you brainliest​

Mathematics
1 answer:
marusya05 [52]3 years ago
6 0

Answer:

i don't have a idea

Step-by-step explanation:

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To determine the height of a television tower, a person stands 135 ft from its base and determines the angle of elevation to the
Ipatiy [6.2K]

Answer:

  105.5 ft

Step-by-step explanation:

The tangent ratio is the ratio of the side opposite an angle to the adjacent side in a right triangle. Here, the side opposite the angle is the tower height, and the adjacent side is the distance to the tower. Then the appropriate relationship is ...

  tan(38°) = (tower height)/(135 ft)

Multiplying by the denominator gives ...

  tower height = (135 ft)·tan(38°) ≈ 105.473 ft

The height of the tower is about 105.5 feet.

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What countries do not use the metric system?
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Burma,Liberia<span> and the </span><span>United States</span>
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4 years ago
What is the range of the following graph?
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Range is the set of possible y values. If you look at the end behavior of the function, as x approaches both infinity and negative infinity, y continues to increase in magnitude, meaning that the range is from negative infinity to infinity. the correct answer is B.
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3 years ago
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8 0
3 years ago
Twice the difference of a number and 9 equals 8
ladessa [460]

Answer:

13 is the number.

Step-by-step explanation:

Given:

Twice the difference of a number and 9 equals 8.

Let the unknown number be 'x'.

Therefore, as per question:

The difference of 'x' and 9 = x-9

Twice the difference means 2 times the difference. So, we multiply 2 to the difference. Therefore,

2(x-9)

Now, the above expression is equal to 8. So, we equate the above expression to 8. This gives,

2(x-9)=8

Solving for 'x', we get:

Using distributive property of addition and distributing 2 inside the bracket. This gives,

2\times x-2\times 9=8\\\\2x-18=8\\\\2x=8+18\\\\2x=26\\\\x=\frac{26}{2}=13

Therefore, the unknown number is 13.

Now, we can verify our answer.

2(13-9)=26-18=8

Therefore, the answer is correct.

3 0
4 years ago
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