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
matrenka [14]
3 years ago
9

Please help ASAP. I need someone to check my Geometry answer and explain why I am right or wrong. REAL ANSWERS ONLY. 20 PTS!

Mathematics
1 answer:
VMariaS [17]3 years ago
7 0

Answer:

you are right

Step-by-step explanation:

Use the law of law of cos

c^2=a^2+b^2﹣2abcos√angle

(2√13)^2=52=4+36-24cos(a)

cos(a) = -12/24 =  -1/2

a = 120 degrees

so yes, you are right

You might be interested in
Psychologist is measuring learning in mice. He assumes that a mouse learns to recognize a specific object after a random number
Sphinxa [80]

Answer:

Option B) 0.2143                                            

Step-by-step explanation:

We are given the following in the question:

Numbers of exposures(x): 4,3,7

We have to find the maximum likelihood estimate of p.

Formula:

\hat{p} = \dfrac{n}{\sum x_i}

Putting the values, we get,

\hat{p} = \dfrac{3}{3+4+7} = \dfrac{3}{14} = 0.2143

Thus, the correct answer is

Option B) 0.2143

6 0
4 years ago
In the diagram below ab is parallel to cd what is the value of y
Alex777 [14]
I can't see any picture
6 0
3 years ago
PLEASE HELPPPPPPPP ME
patriot [66]

4 1/ 2 x 4 = 18 feet

 answer is C

4 0
3 years ago
Heather's friend borrowed $150.00 from her last week. Heather will get paid back one third of the money next week, and she will
3241004551 [841]

Gimme a few mins imma edit this later with the answer

8 0
3 years ago
Read 2 more answers
A surveyor measures the top of a lighthouse 70ft away from him (see picture). his angle-measuring device is 4 ft above the groun
mezya [45]

Answer: 45

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Marcus wants to know if students at his school like to sing in the shower. He polled 40 students who were not part of the school
    9·1 answer
  • suppose that a printer is on sale 37% off the orginal price . the sale price is $ 59.oo . what is the orgi al price of the print
    5·1 answer
  • A car was originally purchased in January 2010 for 27000 dollars. The car depreciates at a rate of 18% every year.
    6·1 answer
  • Find the slope and Y-intercept for each table, and then write an equation.
    5·1 answer
  • Helppppp meeeee plz i'll give brainliest!!!
    8·2 answers
  • Yani answered 34 questions correctly out of 40 on her Science test. What
    13·1 answer
  • HELP PLEASE!!!!! <br> options <br> A) AAS<br> B) ASA<br> C) HL<br> D) SAS
    9·1 answer
  • The relationship between the countries of the Allied Powers?
    13·1 answer
  • What is the range of the function f(x)=-3x-5 with a domain of {-3,0,11}
    12·1 answer
  • Calculate √62 correct to 1 decimal place.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!