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
skad [1K]
3 years ago
13

Find the value of x. Round to the nearest tenth.

Mathematics
1 answer:
nordsb [41]3 years ago
3 0

Step-by-step explanation:

here,,

a=3,b=10,C=120°

c^2=a^2+b^2-2ab cos120°

=(3)^2 +(10)^2 _2 (3)(10)(-1/2) [cos120°=-1/2]

=9+100-(-30)

=109+30

=139

c=(139 )1/2=11.79

c=12

You might be interested in
There were 60 points on Tom's first math test. He scored 75% of the points. How many points did Tom earn? a 60 b 45 c 15 d 50
Lana71 [14]
Multiply 60 by .75, which gives you 45 Points. The answer is B.
6 0
3 years ago
Read 2 more answers
1) A research team is planning to use an ice drill at the top of a glacier. The team plans to use the drill for 10 hours each da
MaRussiya [10]

Answer:

Answer is 50 trust me

Step-by-step explanation:

7 0
3 years ago
What happened when the world explodes and the moon at the same time will we know what to do or?
Bumek [7]
We will because we will turn into aliens and then shoot dogs into the universe
6 0
3 years ago
Read 2 more answers
Solve the simultaneous equations:<br><br> 3a-2b=14 <br> 12a+9b=39
kirill [66]
Use elimination
Multiply first equation by 4
12a - 8b = 56
12a + 9b = 39
Subtract both
-17b = 17
b = -1
Plug in -1 for b
3a - 2(-1) = 14
3a = 12, a = 4
Final answer: a = 4, b = -1
5 0
3 years ago
F. If you add § + ģ + , the sum is g. If you add 3 + 2,<br> what is the sum?
inna [77]

Answer:

g. 3+2 =5

..........................

5 0
3 years ago
Other questions:
  • Write the equation of the line, in slope-intercept form, that contains the points (-1, -2) and (1, 2). Use the box provided or t
    7·1 answer
  • Please answer this question! 30 points and brainliest!
    10·2 answers
  • Which is bigger one-third of 18 or three-fourths of 20?
    7·2 answers
  • What is the reason for 2 and 4
    12·1 answer
  • What is the y-intercept of the line y = 2x - 5?
    10·1 answer
  • Can someone please answer question 15 and 16
    5·1 answer
  • How do you do this 10 8/9+ 2 5/8+ 16 2/9+ 5 7/8=
    9·2 answers
  • A fair coin is flipped three times. Find the<br> probability of getting heads all three times.
    8·1 answer
  • What is the solution to the system of equations
    10·1 answer
  • The cost in dollars, y, to participate x days in a bike tour is a linear function. Lin's bike tour is described by the equation
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!