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Debora [2.8K]
4 years ago
13

Haben knows that the angle of elevation from the top of a rock formation to a stake in the ground 50 feet from its base is 42°.

What is the height of the rock formation?

Mathematics
2 answers:
Leno4ka [110]4 years ago
7 0

Answer:

45

Step-by-step explanation:

Murrr4er [49]4 years ago
4 0

Answer:

The height of the rock formation is 45.02\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

tan(42\°)=h/50

solve for h

h=50*tan(42\°)=45.02\ ft

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svlad2 [7]

Answer:

300+12x = 450

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B. 12x+300 = 450

3 0
3 years ago
Use a system of linear equations with two variables and two equations to solve. A number is 9 more than another number. Twice
Troyanec [42]

9514 1404 393

Answer:

  (x, y) = (3, 12)

Step-by-step explanation:

Using the given variable definitions, we can write the equations ...

  y = x + 9

  2(x +y) = 30

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Solving the second equation for y, we have ...

  y = 15 -x

Substituting this into the first equation gives ...

  15 -x = x +9

  6 = 2x . . . . . . . . . add x-9

  3 = x . . . . . . . . . . divide by 2

  y = 3+9 = 12 . . . . substitute into the first equation

The numbers are (x, y) = (3, 12).

4 0
3 years ago
A biker travels 5 feet in 0.5 seconds. At this exact speed, how far will the biker travel in a minute?
tino4ka555 [31]
600 ft. This is because you travel 10 feet per second and there are 60 seconds in a minute. 10 x 60 =600
7 0
3 years ago
5th grade math. correct answer will be marked brainliest
kipiarov [429]
The correct answer is 67 ur welcome
4 0
3 years ago
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Tree times the sum of ten and a number is 25. What is the number? <br><br> (Fraction)
ella [17]

Answer:

Step-by-step explanation:

3(10+n) = 25

30 +3n =25

30-30 and 25-30=

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6 0
4 years ago
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