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
hram777 [196]
3 years ago
7

In ΔABC, where ∠C is a right angle, cos A=√21/5. What is sin B?

Mathematics
1 answer:
Stolb23 [73]3 years ago
7 0

Answer:

A

Step-by-step explanation:

You might be interested in
Hot dog buns come in packages of 8.For
Nostrana [21]

240 because 8 times 30 equals 240

5 0
4 years ago
Read 2 more answers
(29 PTS) Explain how the Quotient of Powers Property was used to simplify this expression. 3^4/9 = 3^2
Virty [35]

Step-by-step explanation:

d is the correct ans

see,

As the bases are equal we can cut the bas,

6 0
4 years ago
Read 2 more answers
I need help please ?!!
melomori [17]

the answer is b because the answer for both of them is -39. you might also want to look into the sign rules in algebra bb :)

3 0
3 years ago
roject Option 2 There are many 21st-century tools available for effective collaboration and communication in the online environm
Shkiper50 [21]
Who gonna read that...
6 0
3 years ago
A sport field is 200 feet long. Write a formula that gives the length L of x sport fields in feet. Then use this formula to dete
Minchanka [31]
A sports field is 200 feet long. 

<span>Thus, we have: </span>
<span>L = 200x, where L is the length of x sport fields.</span>
7 0
3 years ago
Other questions:
  • What is the solution to x2 + 10x + 28 = 0 when written in the form a ± bi?
    9·2 answers
  • Use the figure shown to find the missing lengths of the triangle.
    14·1 answer
  • What is the sum of the geometric series in which a1 = −5, r = 3, and an = −405?
    8·1 answer
  • If the slope of a wheelchair ramp is 1/12 then what is the angle of inclination to the nearest tenth of a degree?
    14·1 answer
  • Solve 5n=20 math right now please
    10·2 answers
  • Find the equation of the line<br> passing through the points 1,-5)<br> and (9,11).<br> y = 2x + [?]
    7·1 answer
  • Martina took out a loan for 7 months and was charged simple interest at an annual rate of 7.2%. The total interest she pald on t
    13·1 answer
  • Simplify this expression <br> 4X^2y^3 x 2x^3y^4
    15·1 answer
  • Write the equation of the line described below in slope-intercept form.
    13·1 answer
  • HELLO CAN SOMEONE PLEASE ANSWER THIS QUESTION FOR ME I WILL MARK YOU THE BRAINLIEST AND I WILL GIVE YOU 5 STARS​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!