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
Margarita [4]
3 years ago
9

40 points: how do u calculate this and what is sin, cos and what is the formula

Mathematics
1 answer:
dlinn [17]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

sin∅ = opposite side over hypotenuse

cos∅ = adjacent side over hypotenuse

To find <em>x</em>, there are multiple ways:

tan72° = 6/x

x = 6/tan72°

cos72° = x/15

15cos72° = x

You might be interested in
How do you do this problem?
insens350 [35]
It is helpful to become familiar with the rules for secants of a circle.

The product of the numbers on the same chord is the same.
.. 2*x = 5*8
.. x = 20

_____
The picture is not drawn to scale. (They almost never are.)
7 0
4 years ago
Sarah baby-sits her cousins once a week. She gets paid $10 per hour and she includes a travel fee. if she baby-sat for 5 hours a
likoan [24]
22$......................
5 0
4 years ago
The difference of three times a number and 16 is at least 8
RoseWind [281]
3n-16<8
3n<24
n<8
............
4 0
4 years ago
Need help please ^-^
Triss [41]

Factored form: (x + 1/5)(x + 1/4)

Foil: x^2 + 1/4x + 1/5x + 1/20

Simplify: x^2 + 9/20x + 1/20

Hope this helps!

6 0
3 years ago
What is the equation of the line that is parallel to the given line and has an X intercept of -3
icang [17]

Answer:

X=-3

X+3=0

Step-by-step explanation:

Yhat is the equation

3 0
3 years ago
Other questions:
  • The amount of money Elijah has in his bank account is given by the equation B = 1400 120m, where B is the balance in his account
    11·2 answers
  • Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
    5·1 answer
  • The double number line shows that 5 pounds of avocados cost $9.
    6·1 answer
  • Who knows this? I need help ASAP
    8·1 answer
  • Can you tell me how they got the answer 35 sq. answer the one with the L looking shape
    11·1 answer
  • Donna guessed there were 400 jellybeans in a jar. There were really 480 jellybeans. What was her percent of error?
    6·1 answer
  • <img src="https://tex.z-dn.net/?f=%5Csqrt%7Ba%7D%20%2B%5Csqrt%7Bb%7D%20%3D%5Csqrt%7Ba%2Bb%7D" id="TexFormula1" title="\sqrt{a} +
    11·1 answer
  • Jimmy pays 30% of his salary to tax before all other deductions. Jimmy fortnightly gross salary is 2,500. what is Jimmy's fortni
    13·1 answer
  • Roadsign cast of shadow that is 4 feet tall at the same time a 6 foot man standing next to the sign cast a shadow of those 2.4 f
    9·1 answer
  • A chocolate manufacturer sells a 320g ar of chocolate for 50p. The size of the bar is reduced by 20%, and the price to 42p.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!