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
Zinaida [17]
3 years ago
8

Please help

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
4 0

Answer:

cos (theta) = √21/5

Step-by-step explanation:

sin (theta) = 2/5

(sin (theta))^2 = 4/25

4/25 + (cos (theta))^2 = 1

(cos (theta))^2 = 1 - 4/25 = 21/25

cos (theta) = √21/5

You might be interested in
Danielle has taken five math tests so far this year. The tests are out of twenty points, and she has gotten the following scores
dusya [7]
14, 16, 17, 19, 20
17 is the middle one so the answer is 17
 
Hope this helps :)

6 0
3 years ago
Read 2 more answers
The answer to question 9
vladimir1956 [14]
II hope this helps it’s pretty simple
5 0
3 years ago
If an electrician charges $60 an hour and a base fee Of 150 for every house call. Write an equation foR C, in terms of t, res pr
azamat

Answer

Basically you need to know how many hours to work then I think it would help your problem.

Step-by-step explanation:

5 0
3 years ago
What’s the answer to this
Ipatiy [6.2K]
2.4/0.3=8
0.3x8=2.4
The scale factor is 8.
7 0
3 years ago
Can someone help me with this?
Natasha2012 [34]

Answer: X can not be 11 or higher, so that means this problem will be 10 or lower. There for the value of X=6

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • I really need help with this and I looked up how to this with a lots of websites and I looked up youtube so if u know how to do
    13·1 answer
  • Whats the property of 2+3=3+2
    10·1 answer
  • Help with some problems PLZ Help. This is not cheating My teacher told me to ask my mom but i don't have one, dads working. seri
    8·1 answer
  • Consider the experimental situation described below. Ability to grow in shade may help pines in the dry forests of Arizona resis
    13·1 answer
  • (X-2)^2 if necessary combine like terms
    5·1 answer
  • Tara runs an amusement park ride and needs to count the people who get on the ride. At the beginning of her shift, 132 people ha
    14·2 answers
  • How many solutions y=x^2-10x+25
    13·1 answer
  • 30 POINTS PLEASE HELP!
    10·2 answers
  • Quiz 2
    11·1 answer
  • Which line on the graph below has a slope of zero <br><br><br> P Q R S
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!