1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lana66690 [7]
3 years ago
12

The horizontal distance between two towers is 80 m. The angle of depression of the top of the first tower when seen from the top

of the second tower is 30o. If the height of the second tower is 160 m, find the height of the first tower.
Mathematics
1 answer:
Yuliya22 [10]3 years ago
8 0
Let the height of the first tower be x, then the second tower is (160 - x) m taller than the first tower. Then
tan 30 = (160 - x)/80
160 - x = 80 tan 30
x = 160 - 80 tan 30 = 160 - 46.19 = 113.8 m

Therefore, the height of the first tower is 113.8 m.
You might be interested in
$49 jeans are 20% off, what is the sale price
madam [21]

Answer:

$39.2

Step-by-step explanation:

The sale price will be 20% of $49 subtracted from $49

That’s

20% /100% x $49

0.2 x $49

$9.8

Sale price = $49 - $9.8

= $39.2

The sale price is $39.2

8 0
4 years ago
Read 2 more answers
My Teacher Assigned Me Homework,If You Can Please Help Me To Try To Fiqure Out The Answer To This Problem.
pishuonlain [190]
You got the first part right but you need the end so 4*3*1= 12 feet to turn feet into inch you times by 12 so 12*12=144 inc+99=243 cubic inc i think
6 0
3 years ago
What is the value of (2.4 x 10^3)+(5.7×10^2)​
nordsb [41]

Answer:

2970

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLS HELP WILL GIVE BRANLIEST PLUS 15 POINTS
Travka [436]
The answer is B since he bought 4 in all it is x+y =4 . x=dvd y= blue ray discs .

so 2x + 5y =11
2x since dvds are $2
5y since blue ray discs are $5
11 since that’s the total
6 0
3 years ago
Can anyone help with this please
marshall27 [118]

Answer:the correct answer is b

Step-by-step explanation:

Took the test also download the app called photo math all I have to do is take the photo of the problem it’s free of charge

4 0
3 years ago
Other questions:
  • What two integers is square root 50between
    8·1 answer
  • Write an expression that is equivalent to (5z+ 16). (4 points)
    6·1 answer
  • What happens to the value of the function as the number of iterations increases?
    15·2 answers
  • Using the slope and the y-intercept, graph the line represented by the following equation. Then select the correct graph. 2y + 4
    8·2 answers
  • Simplify this algebraic expression.
    9·2 answers
  • The larger of two numbers is 10 more than three times the smaller number is larger number decreased by the smaller number is 80
    6·1 answer
  • Solve through substitution
    6·1 answer
  • In a random sample of 16 residents of the state of Washington, the mean waste recycled per person per day was 2.8 pounds with a
    10·1 answer
  • Kaley's family drove to DisneyLand for spring break. Her mom and dad shared the driving duties for a total of 24 hours. Her mom
    8·1 answer
  • What numbers do I need to multiply to get -8?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!