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
Evgen [1.6K]
3 years ago
7

If sin 21 = cos (5x+9) what is the value of x

Mathematics
1 answer:
n200080 [17]3 years ago
4 0

sin x = cos 54 = sin (90-54) = sin 46

Hence x = 46 deg

Same technique. Sin 21 = cos (5x+9) = sin (90-5x-9)

81-5x = 21

Or 5x = 60

Or x = 12 deg

hope it helps

You might be interested in
The quotient of twenty-nine and a number h
satela [25.4K]

Answer:

29/h

Step-by-step explanation:

quotient is the result of division so you divide 29 by h which gives you 29/h or h/29

4 0
2 years ago
Solve the division problem using the area model strategy. Upload a picture or video to show your work.
ohaa [14]

Answer:

45.333...

Step-by-step explanation:

Try using a long division problem then try the area model strategy

8 0
3 years ago
What is 3.96 × 0.4, please help me ​
Kisachek [45]

Answer:

1.584

Step-by-step explanation:

1.584 = 3.96 × 0.4

8 0
3 years ago
Read 2 more answers
Can you solve question #36
Sonja [21]
If the measure of the vertex angle is 30 degrees, then the measures of the base angles are 75 degrees.
5 0
3 years ago
Read 2 more answers
The weight of a Great blue heron, a type of bird, can grow to around 4 pounds, but can vary. Let W be a random variable that rep
hammer [34]

Answer:

10 ≥  w  ≥  9 ( ? )

Step-by-step explanation:

the probability that a Great blue heron is at least 9 pounds, but no more than 10 pounds         ->      w= weight of great blue heron

w is at lest 9 pound's ->   w ≥ 9

w is no more than 10 pound's ->   w ≥ 10

w ≥  9 ( + )  w ≥  10    =     10 ≥  w ≥  9

6 0
3 years ago
Other questions:
  • This box has the same length , width, and height as the 2 basketballs. Which expression gives the volume of the empty space enci
    8·2 answers
  • The probability of a team scoring a home run in a softball game is 1/6. if the team plays four games, what is the probability of
    10·1 answer
  • Twice the first number is eleven more than the sum of the other two numbers. The sum of twice the first number and three times t
    14·1 answer
  • Find the unit price.<br> ​$3.06 for 17 bananas
    6·1 answer
  • Anything helps ouuuuuu:)))))))))))
    11·2 answers
  • How much does this equal?
    8·2 answers
  • forty five thousand six and seventy seven hundreths please please please help me put this in number form please please!!!!!!!!!!
    13·2 answers
  • Im in a bit of a predicament. So, i have 10 elements. And 4 elements each can go in an area. So that means ill have combinations
    6·1 answer
  • PLEASE HELP I GOT THIS PARTIALLY WRONG
    6·1 answer
  • 9. You have been saving your money to buy a new pair of shoes. Three different
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!