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
Alla [95]
3 years ago
13

Find the third number if their average is 6 and two of them are 6 and 7​

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
8 0

Answer:

5

Step-by-step explanation:

If their average is 6 and there are three numbers in total, the total sum of the three numbers would be:

6×3 = 18

You know that two of them is 6 and 7, so you can find the last number easily.

18-6-7 = 5  

8_murik_8 [283]3 years ago
4 0

Answer:

5

Step-by-step explanation:

6 +7+5 = 18 and 18/3 = 6

You might be interested in
A box of 15 cookies costs $9.<br> What is the cost for 1 cookie? <br> $_____
mel-nik [20]

Answer:

15 box of cookies =$9

1 box of cookie = $9/15=$0.6

6 0
3 years ago
Read 2 more answers
What part of the circumference is an arc whose measure is 30°?<br> 1/12<br> 1/10<br> 1/8<br> 1/6
GrogVix [38]

Answer:

1/12

Step-by-step explanation:

The whole circumference (i.e complete circle) is an arc which measures 360°

in our case, it is given that our arc measures only 30°

the fraction of our arc of 30° to the complete circle of 360° is

30/360

= 3/36

= 1/12

5 0
4 years ago
Given g(x)=3x+6 on what interval is the function negative
iris [78.8K]

Step-by-step explanation:

A number that is negative is less than 0, so

3x + 6 < 0

3x <  - 6

x <  - 2

So this function is negative, when x is less than -2

4 0
2 years ago
Read 2 more answers
PLEASE HELP ME!!!
PSYCHO15rus [73]
1) 3x=(4x+50-30)/2
x=10

Explanation: (1/2)(big arc - small arc), plug in the numbers and solve

2) 15•x=33•10
x=22

Explanation: a•b=c•d, plug in the numbers and solve

3) (x+8)•8=(24+4)•4
x=6

Explanation: W•E=W•E, whole•external part= whole•external, plug in the numbers and solve
7 0
3 years ago
Brandon spends $25.30 on 2 large containers of popcorn and 4 large drinks. A large container of popcorn costs $5.25. What is the
Paladinen [302]

Answer:

$3.70

Step-by-step explanation:

$25.30 = 2P + 4D. p for popcorn and d for drinks

P= $5.25

$25.30 = 2($5.25) + 4D

$25.30 = $10.50 + 4D

-10.50. -10.50

inverse operations

$14.80 = 4D

÷4. ÷4

Inverse operations

$3.70 = D

5 0
3 years ago
Other questions:
  • Por qué la Biblia es un libro sagrado
    10·1 answer
  • Which equation is a related equation for this equation?
    13·2 answers
  • Imagine you had 40 one-metre sections of fencing.
    10·1 answer
  • EMERGENCY<br><br> How do I find the axis of symmetry equation based on the graph?
    5·1 answer
  • Please help AND explain!
    5·1 answer
  • Solve the literal equation ab+c=d in terms of a
    9·1 answer
  • An elevator goes up to the 16th floor. It then comes down 11 floors before going back up 15 floors. What floor is the elevator o
    7·1 answer
  • Please help I suck at fractions
    5·2 answers
  • If the garage is open Monday to Saturday, determine the probability that the garage gets any demand for windscreen on Monday.
    11·1 answer
  • Hi, help will be appreciated
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!