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
Ivenika [448]
2 years ago
10

What is the mean of the measures of the three exterior angles of a triangle if two of the interior angles have measures of 63 an

d 78 degrees?
Mathematics
1 answer:
Genrish500 [490]2 years ago
4 0

Answer:

  1. Mean score=120

Step-by-step explanation:

  1. Areas of a triangle add upto 180degrees (63+78+x=180) 141+x= (x=180-141) x=39
  2. Areas on a straight line add upto 180degrees

180-78=102

180-63=117

180-39=141

  1. 102+117+141=360
  2. Mean=360/3 =120

You might be interested in
Emily made a fruit salad with 1 2/3 cups of grapes 2 1/4
tatyana61 [14]

Answer:

See below.

Step-by-step explanation:

1 2/3 + 2 1/4 + 1/6 cups.

this works out to 4 1/12 cups.

5 0
3 years ago
Which number is such that when it's ÷ 27 30 or 45 the remainder is always three​
rewona [7]

Answer:

closest answer = 81

Step-by-step explanation:

81/27 = 3

81/30= 2.7

81/45 = 1.8

6 0
3 years ago
11. (21x² - 6x +14) + (x²-3x+18)
Furkat [3]

Answer:

22x^2-9x+32

Step-by-step explanation:

(21x² - 6x +14) + (x²-3x+18)

To add, we need to combine like terms

21x^2+x^2     -6x-3x    +14+18

22x^2-9x+32

6 0
1 year ago
Read 2 more answers
three friends jogged last month. Richard jogged 9 miles last month. Jena jogged 2 times as many miles as Richard. Brian jogged 4
ANTONII [103]

Answer:

Jena=18 miles Brian=36 miles

Step-by-step explanation:

well if you add what Richard got and double it (9+9=18 or 9x2=18) you get how much Jena ran. then if u add (9+9+9+9=36 or 9x4=36) you get Brians miles he ran


8 0
3 years ago
1. Identify the pattern and find the next number in the pattern. (1 point)
daser333 [38]

Answer:

first answer.. make an induction

5 0
2 years ago
Read 2 more answers
Other questions:
  • A triangular building is bounded by three streets. The building measures approximately 83 feet on the first​ street, 189 feet on
    9·1 answer
  • Write 1700 g to nearest kg
    11·2 answers
  • Mia recently bought a car worth $20,000 on loan. She made a down payment of $1,000 and has to repay the loan within two years (2
    14·2 answers
  • I had it wrong it said A&C
    13·2 answers
  • Which of the following statements must be true about this diagram? PLEASE HELP
    13·2 answers
  • Can someone help me out on this :P
    15·2 answers
  • What is divided by 2? a. 1 1/2 b. 3/4 c. 2/3 d.1/2
    13·1 answer
  • 1. If 31 – 7 = 51, then 61 =<br> A. 21<br> B. -7<br> C. -21<br> D. 42
    13·1 answer
  • 30 POINTS!! Alondra has $35 and she earns $10 for each lawn that she mows. Alondra wants to buy a concert ticket that costs $95.
    11·2 answers
  • Plz Help!<br> Will give Brainliest!!!
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!