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3 years ago

Answer both of the question correctly please and please show work

Mathematics

1 answer:

Aleksandr [31]3 years ago

8 0

Answer:

I would if I could read the question

Step-by-step explanation:

I'm sorry post it again more clearly and il try

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A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, t

vladimir1956 [14]

Answer: 434.35 feet

Step-by-step explanation:

The angle of depression from the lighthouse is the angle of elevation from the boat. The line of sight from the top of the lighthouse, when depressed, becomes an alternate interior angle of two parallel lines, the line of sight from the top and the boat's movement.

From the boat's standpoint, which is what we want anyway, there is a right triangle, with the distance from the lighthouse the adjacent side, the opposite is 200,' and the boat the point desired.

tan 18.33 (33 minutes is 33/60 of a degree)=200/x

x=200/tan 18.33=592.58 feet

Nearer, the angle of elevation increases as the adjacent side gets smaller relative to the opposite side.

tan 51.33 (33 minutes is 33/60 of a degree)=200/x

x=200/tan 51.33=158.23 feet

That difference is 434.35 feet

Alternatively:

tan(51 33')= 200/base1

base1= 158.802

tan(18 33')=200/base2

base2=596.008

The distance travelled=596.008-158.802 =438m

5 0

4 years ago

Salesman really gets fixed salary of $2000 per month and a commission of 2% on sale if total sale is $30,000 for the month find

Sergio039 [100]

Answer:

The amount earned is 2,600

Step-by-step explanation:

In order to find the commission amount, start by multiplying the percentage by the amount sold. Then to find the total amount, add the flat rate.

30,000*.02 = 600

Then add the flat rate

600 + 2,000 = 2,600

5 0

4 years ago

Read 2 more answers

• An equation written as Ax + By = C, where A, B, and C are<br> real numbers is said to be in the

djyliett [7]

Answer:

standard form

Step-by-step explanation:

The equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

7 0

4 years ago

Which best describes the graphs of the line that passes through (0,2) and (6,4) and the line that passes through (2,1) and (5,7)

son4ous [18]

Answer:

The line which has slope 1/3 is a shallow line.

The line which has slope 2 is a steep line.

Both are increasing.

Step-by-step explanation:

Compare the lines by finding the slope between each pair of points.

Using the slope formula, substitute the points.

$m = \frac{y_2-y_1}{x_2-x_1} = \frac{4-2}{6-0} = \frac{2}{6} = \frac{1}{3}$

$m = \frac{y_2-y_1}{x_2-x_1} = \frac{7-1}{5-2} = \frac{6}{3} = 2$

The line which has slope 1/3 is a shallow line.

The line which has slope 2 is a steep line.

6 0

3 years ago

Shelly and Terrence completed a different number of tasks in a game. Shelly earned 90 points on each task. Terrence's total poin

Nat2105 [25]

The correct answer is A. The total points Shelly earned

6 0

4 years ago