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
lapo4ka [179]
3 years ago
14

Please help. Trig: Laws of Cosines

Mathematics
1 answer:
ladessa [460]3 years ago
8 0

Answer:

16.2 units

Step-by-step explanation:

Greater angle: 180 - 72 = 108

D² = 10² + 10² - 2(10)(10)cos(108)

D² = 261.8033989

D = 16.18033989

You might be interested in
PLEASE. Somebody help with this question, as in explaining how I should answer it and perhaps even answering it yourself :)
Alex17521 [72]

Answer:

yo no habla english nomas espanol

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Sorry for the bother help plz
Zepler [3.9K]

(6a^2)^3

6^3(a^2)^3

216(a^2)^3

216a^6

Answer: 216a^6

3 0
3 years ago
Read 2 more answers
Factor to find the zeros of the function defined by the quadratic expression. −13x2 − 130x − 273
rewona [7]

Answer The Zeros are x= -3,-7

7 0
3 years ago
If the starting time is 7:43 and the elapsed time is 36 minutes then what time what is the ending time
Annette [7]

Answer:

8:19

Step-by-step explanation:

It is 17 minutes until 8:00.  36 - 17 = 19 minutes left.

8:00 + 19 minutes = 8:19

6 0
3 years ago
Read 2 more answers
If m∠D + m∠E = 180°, then ∠D and ∠E are classified as what kind of angles?
Archy [21]
The other person is literally wrong. The answer is D. Supplementary because two angles that add up to 180 are supplementary angles.
3 0
2 years ago
Other questions:
  • What is the center of the circle shown below
    12·2 answers
  • Slove x^2-8x=20 by completing the square. which is the solution set of equation?​
    5·1 answer
  • What is the depth on the Indian Ocean rounded to the nearest thousand 12,598
    6·2 answers
  • A polynomial function has a root of -4 with multiplicity of 4, a root of -1 with multiplicity of 3, and a root of 5 with multipl
    5·2 answers
  • Help help help helpppp ASAP!
    10·2 answers
  • Christina is having a Super Bowl party with 7 of her celebrity friends. Kobe lives 32 miles from Christina. Will Smith has to dr
    11·1 answer
  • (-32ux+19u^2x^3-12u^6x^7) divided by (-4u^2x^3)
    15·1 answer
  • Giving 18 point plz plz help
    11·1 answer
  • 10. What is 3[ f(x + 4)) if f(x) = 23 + 4x2 + 9?
    14·1 answer
  • Why does nobody talk to circles
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!