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vichka [17]
3 years ago
11

if you're standing on the trail 220 feet from the bottom of the tree, you have to look up at a 60 degree angle to see the top .

How tall is the tree ​
Mathematics
2 answers:
lozanna [386]3 years ago
8 0

Answer:

381.0511777, or 381.051

Step-by-step explanation:

Equation for distance-

B (distance) = A (height) /tan ( e )

B 220 = a/ tan 60

we must rearrange to find height

A=220*tan 60

using our handy dandy scientific calculator on google, we get the following:

381.0511777- a record!

(notify before reporting if wrong)

NARA [144]3 years ago
8 0

Answer:

381.051178

Step-by-step explanation:

222 (tan) 60=381.051178

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fenix001 [56]

Answer:

<u>Given</u>

  • Equation 5x - y = 12

and

  • Inequality 5x - y > 12

<em>See the graphs attached</em>

To draw the graphs follow the rules we described in the previous questions.

  • 1. Identify x-intercept and y-intercept and connect them to have the line.
  • 2. Shade the region above or below the line for the inequality.

We see the only difference the expressions have is the equation or inequality symbols.

  • Equation symbol means the graph of the equation is a line.
  • Inequality symbol means the graph of this is a region above the same line, in our case the line is not a part of the covered region because it is "<".

We can state that the inequality excludes the line and includes only the region above the same line.

5 0
3 years ago
Find the surface area of a rectangular prism that is 16 inches long, 12 inches wide, and 5 inches high.
OverLord2011 [107]
We have an equation for the surface area of a rectangular prism:
A= 2 (w*l+ l*h+ h*w)

Plug l= 16 in, w= 12 in, and h= 5 in into the above equation, we have:
A= 2 (12 in*16 in+ 16 in* 5 in+ 5 in* 12 in)= 664 in^(2).

The final answer is 664 in^(2).

Hope this is helpful~

4 0
3 years ago
I don’t know how to do any of this
mojhsa [17]

Answer:

The length of x in #1 is 15.57

Step-by-step explanation:

Let's use #1 as an example to teach show you how to do this. In a right triangle we can solve these using trig. In this particular one, we have the measure adjacent to the angle and we are looking for the one opposite of the angle. So we look at all the trig functions and select the one that uses both of those two terms.

Sinα = Opp/Hyp

Tanα = Opp/Adj

Cosα = Adj/Hyp

As you can see, Tan is the function we are looking for. So we plug in all known information into that equation.

Tanα = Opp/Adj -----> Plug in known values

Tan(60) = x/9 ----->Calculate out the trig function

1.73 = x/9 -----> Multiply by the denominator to solve

15.57 = x

3 0
2 years ago
Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively. (2
Stells [14]

Answer: C is the answer

5 0
3 years ago
An investment of $6,599.20 earns 4.2% interest compounded monthly over 7 years. Approximately how much interest is earned on the
dmitriy555 [2]
Fv=6599.20(1+0.042/12)^12*7
Fv=8850.20
Interest earned=8850.20-6599.20
=2,251
So the answer is a
4 0
3 years ago
Read 2 more answers
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