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
GarryVolchara [31]
3 years ago
14

In a right triangle, Sin (30 + x) º = Cos (3x) º. What is the value of x?

Mathematics
1 answer:
pogonyaev3 years ago
5 0

Answer:

x=15^\circ

Step-by-step explanation:

In a right triangle:

\sin \theta =cos(90^\circ-\theta) $ (Complementary angles)

Therefore, given:

Sin (30 + x) \º = Cos (3x) \º\\30+x+3x=90^\circ\\30+4x=90^\circ\\4x=90^\circ-30^\circ\\4x=60^\circ\\$Divide both sides by 4\\x=15^\circ

You might be interested in
Which number best represents the probability that an event is unlikely to occur?
Colt1911 [192]

Answer:

D: 0.05

Step-by-step explanation:

Since  the question says UNLIKELY, it  would be the smallest number, which is 0.05 in this case.

4 0
3 years ago
Be sure to show your work and solve for g:<br> g<br> +<br> 6<br> −<br> 3<br> =<br> 31
Iteru [2.4K]

28 + 6 = 34 and 34 - 3 = 31!!!!!!!

4 0
3 years ago
Ryan is selling a new computer system that he designed. He spent $200
Neporo4naja [7]

Answer:

Ryan should mark the price as $300.

Step-by-step explanation:

If he wants to markup his price by 50%, you first take 50% of $200 which is $100, then you add it to the original price 200+100= $300

4 0
3 years ago
Show that 7x + 1 is equivalence to 2(2x - 1) + 3(x + 1)​
marissa [1.9K]
7x + 1 = 2(2x - 1) + 3(x + 1)

7x + 1 = 4x - 2 + 3x + 3

7x + 1 = 7x + 1

Please mark brainliest if right!
4 0
2 years ago
Read 2 more answers
Please help with the working out
nadya68 [22]
I hope this helps you



m=5


(5^2-5.5+9)^2


(25-25+9)^2


9^2


81
5 0
3 years ago
Read 2 more answers
Other questions:
  • How many killowatts would a heater use at 500 watts for 12 hours?
    6·1 answer
  • A closet contains 10 pairs of shoes. if 8 shoes are randomly selected, what is the probability that there will be
    14·1 answer
  • What is the length of the hypotenuse of the triangle?
    5·2 answers
  • What is the question 5/3 x 7%
    14·2 answers
  • There are 10 roller coasters at 6 flags, and you only have time to ride 3 before the park closes. How many different ways can yo
    15·2 answers
  • If x and y satisfy both 9x+2y=8 and 7x+2y=4, then y=?
    9·1 answer
  • 6 cookies cost 36 dollars, what is the price of 1 cookie
    9·2 answers
  • Somebody please help me. Give me a short answer and a step-by-step explanation please.
    14·1 answer
  • Help plz!!!!!!!!!!!!!
    14·1 answer
  • Your baseball team is holding a silent auction as a fundraiser dinner to pay for the team uniforms. The list shows all the expen
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!