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lisov135 [29]
2 years ago
9

Which expression is equivalent to 6(7x - 9)?

Mathematics
1 answer:
Alex_Xolod [135]2 years ago
5 0

Answer:

42x - 54 I think

Step-by-step explanation:

Just simplify it  

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Answer:

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Step-by-step explanation:

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From the top of a lighthouse 280 feet tall, to keep her spot a ship in distress at an angle of depression of 18°. How far is the
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Given:

Height of the lighthouse = 280 feet

The angle of depression from the top of the lighthouse to a ship = 18°.

To find:

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Solution:

Draw a diagram by using the given information.

In a right angle triangle,

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The amount of the radioactive substance is 374.6 g

<h3>How to determine the amount of radioactive substance?</h3>

The given parameters are:

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The amount of the radioactive substance is calculated as:

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