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
Ahat [919]
2 years ago
14

Triangle inequality proof /a + b/ ≤ /a/ + /b/

Mathematics
1 answer:
True [87]2 years ago
4 0

Answer:

a^2+b^2+2|a||b|≥a2+b2+2ab(|a|+|b|)2≥|a+b|2(∵∀x∈R;x2=|x|2)∴|a|+|b|≥|a+b|\

Step-by-step explanation:

You might be interested in
Round 3,989.23655 to the nearest thousandth
inysia [295]
3,989.237
A thousandth = 1/1000 = 0.001
Round 4th decimal place = 5
5 and over is rounding up and under 5 rounds down so it would be 3,989.237
6 0
3 years ago
Please answer this correctly without making mistakes my work is due today
Misha Larkins [42]

Answer:

24.24

Step-by-step explanation:

brainlist plzzzzzzzzzzz

8 0
3 years ago
Annalise charges a certain rate per hour to tutor. The number of hours she tutored last week are listed below. Monday 3.5 hours,
jeyben [28]
31.5 hours for $135
135 \div 31.5 = 4.286
Annalise charges about 4.29 per hour.
4 0
3 years ago
See Attached photo. Please Explain
Veronika [31]
Letter B is the answer
3 0
2 years ago
Please help guys I need it
Inessa05 [86]

Answer:

a= 20

b= 169.7

c= 29.71

Step-by-step explanation:

The formula of a triangle is (h*b)/2

a= (5*8)/2

b= to find the height, you can use the pythagorean theorem 18^2 - 6^2 = square root of 288. Which is 12root 2 or 16.97. (16.97*20)/2

c= using the pythagorean theorem- 11^2 = 7^2 - c^2 = square root 73, or 6root 2, or 8.49. (8.49* 7)/2

4 0
2 years ago
Other questions:
  • Is 5 a solution to the equation 2x^2 + 10 = 60 yes or no
    7·2 answers
  • write a word problem that can be solved using a system of two linear equations. solve the problem and give the meaning of the an
    6·2 answers
  • Nia family bought 2 lb chesse and 1/4 pound was left . How much was eaten
    13·1 answer
  • The senior classes at High School A and High School B planned separate trips to New York City. The senior class at High School A
    6·1 answer
  • What value of x makes this equation TRUE? 4x + 2 = −14
    5·1 answer
  • If P(x) = 0.20, find the complement.
    13·1 answer
  • Answer the question in the photo
    15·2 answers
  • Find the volume of the sphere with a radius of 2 Either enter an exact answer in terms of pi or use 3.14 for pi and round your f
    5·1 answer
  • First to help gets marked brainliest!!
    12·1 answer
  • HELP ASAP. The two lines graphed on the grid each represent an equation.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!