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svp [43]
3 years ago
12

Which equation could be used to find the height of the flagpole?

Mathematics
1 answer:
Andrew [12]3 years ago
6 0
Given a fragpole which makes a right angle with the point of observation with the angle of elevation as 50°.

Let x be the height of the flagpole, then

\sin50^o= \frac{x}{5}

Therefore, the <span>equation that could be used to find the height of the flagpole is
</span><span>x/5 = sin 50</span>
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Write an equation of a line that is parel to 3/4x + 1 and passes through the point (4, -2).
Alenkinab [10]

Parallel lines have the same slope.

We have the line y = 3/4x + 1.

Then the equation of a parallel line is y = 3/4x + b.

The line passes through the point (4, -2). Put the coordinates of the point to the equation of a line:

-2 = 3/4(4) + b

-2 = 3 + b      <em>subtract 3 from both sides</em>

-5 = b

<h3>Answer: y = 3/4x - 5</h3>
7 0
4 years ago
The perimeter of a pool table is 30 feet. The table is twice as long as it is wide. What is the length of the pool table?
olga55 [171]

So, 30 is the perimeter. We are told the table is twice as long as it is wide.

So, we have think of 2 numbers, one being twice as big than the other. So, it is a rectangle The two number represents the length and the width. To find the perimeter we add all the lengths and the widths. Since the pool table is a rectangle we have two lengths and two widths.

So,

the tow numbers be 10 and 5. 5 is half of 10 and, when multiplied by 2 it is 10. So just to make sure the numbers 5 and 10 work out lets do a calculation.

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10+5+10+5 = 30feet. This proves that the sides are these two numbers.  

8 0
3 years ago
Jose is creating a map in the shape of a rectangle whose length is 4 inches longer than its width. Let stand for the width of th
ruslelena [56]

Answer:

P = 4w + 8

Step-by-step explanation:

<em>Jose is creating a map in the shape of a rectangle whose length is 4 inches longer than its width. Let w stand for the width of the map in inches. Write an equation gives the perimeter of the map in terms of w?</em>

Perimeter of the rectangle = 2(L +w)

L is the length of the rectangle

w is the width

If the length is 4 inches longer than its width, then;

l = w + 4

Substitute into the expression;

P = 2 (L+w)

P = 2(w+4+w)

P = 2 (2w+4)

P = 4w + 8

Hence the perimeter of the map in terms of w is P = 4w + 8

3 0
3 years ago
Very easy question - please answer fast
Igoryamba

Answer:

d or c

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If f(x) = │(x² – 50)│, what is the value of f(-5)<br> ?
Tju [1.3M]
Have a nice day :)
_______________

6 0
3 years ago
Read 2 more answers
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