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
eimsori [14]
3 years ago
7

find the total length of guy wire needed to secure both sides of a 25ft TV antenna to a flat roof there is a 30 degree angle bet

ween the Mast and the guy wires. round to nearest hundredth.
Mathematics
1 answer:
a_sh-v [17]3 years ago
4 0
So we are looking at three times the hypotenuse of a right triangle with an acute angle of 30 degrees, and the longer leg 25'.
Each guy wire is therefore 25'/cos(30)=28.8675'
Most antenna have (minimum) three guy wires for stability, so total length
L=3*28.8675=866.03 m.

If the diagram shows other than 3 guy wires, multiply 28.8675 by the appropriate number accordingly.
You might be interested in
How many hundreths equal 6 tenths
Tresset [83]
<span>6 tenths = .6 => .60
Then 6 tenth equals to 60 hundredths.

</span>
6 0
4 years ago
Which of the following graphs could represent a quartic function?
noname [10]

Answer:

B

Step-by-step explanation:

It's not A since quadratic functions can never cross the x axis more than once.

It's not C since quadratic functions can never cross the x axis more than once.

It's not D since horizontal lines are never functions, even more quadratic functions.

8 0
3 years ago
12. Si R(x)=-5x2+x-2 y S(x)=-x - 3x, se<br>¿cuál es el resultado de R(x) + S(x) ?​
lesya692 [45]

Answer:

El resultado eres: R(x) + S(x) = -6x^2 - 2x - 2

Step-by-step explanation:

Se dan las siguientes funciones

R(x) = -5x^2 + x - 2

S(x) = -x^2 - 3x

Cuál es el resultado de R(x) + S(x) ?​

Se soman los fatores en comun. Entonces:

R(x) + S(x) = -5x^2 + x - 2 + (-x^2 - 3x) = -5x^2 + x - 2 - x^2 - 3x = -5x^2 - x^2 + x - 3x - 2 = -6x^2 - 2x - 2

El resultado eres: R(x) + S(x) = -6x^2 - 2x - 2

4 0
3 years ago
A wall is 4 1/2 feet long and has an area of 15 3/4 square feet. What is its height in feet?
IRINA_888 [86]

Answer:

3 1/2

Step-by-step explanation:

if you multiply 4 and 3 you 12 if you multiply 1/2 times 3 you get 1 1/2 and 1 1/2 + 12 = 13 1/2 and then you have to find a fraction that when multiplied by 4 1/2 you get 2 1/4 and 4 1/2 × 1/2 = 2 1/4 so 2 1/4 + 13 1/2 = 15 3/4

5 0
3 years ago
If a cube has a surface area of 294cm squared what are its dimensions what is the volume?
Zepler [3.9K]

294 cm^2 = 6 * r^2 (the cube has 6 faces)

so the radius is 7 cm

the volume is 7^3 cm^3 = 343 cm^3

4 0
4 years ago
Other questions:
  • Which equation represents the graph of f(x)?
    5·2 answers
  • What is the area of rectangle PQRS?
    6·2 answers
  • A corporation reported profits of approximately 1.6 million with a proximally 62.8 million in revenue's. Compare the profit to r
    11·1 answer
  • Plz help!!!!!!!!!!!!
    15·1 answer
  • Can someone please help me solve each system of linear equations by substitution.
    15·1 answer
  • Hi guys..............
    12·1 answer
  • What is the first step in the solution of (x + 3)2 = 5?​
    14·2 answers
  • Consumers sometimes make choices that cause negative information to be put on their credit reports. Which of these is the most l
    10·2 answers
  • Given that 6x – 7y = 22<br> Find y when x = -1<br> y =
    12·1 answer
  • A bag contains 15 counters:7 red 4 blue and 4 green.a counter is taken out of the bag at random.what is the probability of choos
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!