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Crank
2 years ago
14

HELP

Mathematics
1 answer:
Lisa [10]2 years ago
8 0

Equations A may be used to determine the lighthouse's height. The best choice is A.

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

Given;

(d) 115 meters separate the boat from the lighthouse.

42" is the angle of elevation.

Height is h

Apply the tangent formula in the obtained triangle;

\rm tanx^0= \rm \frac{y}{115} \\\\ tan 42''=\frac{y}{115}

The calculations will determine the lighthouse's height as;

\rm tan 42''=\frac{y}{115}

Hence the best choice is A.

To learn more about the triangle, refer to:

brainly.com/question/2773823

#SPJ1

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Stella [2.4K]

The total expenses of Marco's account are $174. The ending balance is $81. So, the starting balance will be $255.

Option A is correct for starting balance.

Further Explanation on Starting and Ending Balance

Given that Marco’s bank statement says that he has an ending balance of $81. The expenses $ of Marco is given as,

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The total expenses can be calculated as given below.

Total Expenses = Sum of all Expenses

Total Expenses = 20+22+13+39+34+15+31

Total Expenses = $174

The starting balance can be calculated as given below.

Starting Balance = \$174 +\$81

Starting Balance = $ 255.

Hence we can conclude that the starting balance of Marco's account is $255. Option A is correct.

To know more about expenses, follow the link given below.

brainly.com/question/24803457.

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Help por favor!!!!!!!
Tju [1.3M]

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