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
V125BC [204]
3 years ago
15

Use the diagram to derive the law of cosines.

Mathematics
1 answer:
vladimir1956 [14]3 years ago
7 0

Answer:

B) x= a cos C

Step-by-step explanation:

You might be interested in
A rectangular box is 8 and a half inches long,5and a fourth inches wide,and 4 inches high.what is its volume
konstantin123 [22]
You multiply 8.5 by 5.25 by 4 and get 178.5 
7 0
3 years ago
Two angles are supplementary if the sum of their measure is 180 degrees. If one of the two supplementary angles measures 85 degr
ale4655 [162]

Answer:

95 degrees.

Step-by-step explanation:

Their sum is 180. You will subtract 85 to get the other half of the whole.

180 - 85 = 95

The other angle is 95 degrees.

4 0
3 years ago
Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a rectangle ​
Marta_Voda [28]

Answer:

prove that opposite sides are congruent and parallel

Step-by-step explanation:

i took the testtttttt

8 0
2 years ago
The values of x and y vary directly
ss7ja [257]

Answer:

y = (1/4)x

Step-by-step explanation:

"Direct variation" here signifies y = kx, where k is the constant of proportionality.

Then y = kx.  Here we are to find k using the info that x = 12 and y = 3:

3 = k(12), or

k = 3/12, or k = 1/4

Then y = (1/4)x

6 0
3 years ago
Read 2 more answers
Please hurry i need this fast
andrey2020 [161]

Answer:

9

Step-by-step explanation:

Hope this helps! Have a nice day! Please consider making me Brainliest!

6 0
3 years ago
Other questions:
  • There are 1,332 people under the age 20 in Pierce City. This represents 14% of the total population. What is the total populatio
    5·1 answer
  • Explain how you know which coins could be used to show 0.77 of a dollar
    5·1 answer
  • If you would walk around the earths Equator with an average speed of 5 miles per hour, how many days would you need to walk to c
    7·2 answers
  • George cut a cake into eight pieces. Explain what the unit fraction of the cake is.​
    10·1 answer
  • Please help me out, thanks.
    12·1 answer
  • Please help with this one question that I've been stuck on!!!
    11·1 answer
  • Good morning can y’all help me???
    13·1 answer
  • What values does the function f of x is equal to the square root of the quantity x plus 1 end quantity minus 3 have in its range
    15·1 answer
  • What is the volume of the following rectangular prism?
    12·1 answer
  • There are 221 students on a field trip.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!