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Archy [21]
3 years ago
13

The output is double the input

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0
Whats the question???
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Solve 3x - 5 + x = 31. -12 -9 9 12
steposvetlana [31]

Answer: 9

-12 results in -53

-9 results in -41

9 results in 31

12 results in 43

8 0
3 years ago
The solution for the following system of linear equation 3m-2n=13 is (2,-1) true or false
Tanya [424]

Answer:

Not True

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Help please I need this in less than 2 mins
Masja [62]

Answer:

4 - 3j

Step-by-step explanation:

4 0
3 years ago
(Set up and solve the system, then answer the associated question)
Dimas [21]

9514 1404 393

Answer:

  • red division: 6 teams
  • blue division: 5 teams

Step-by-step explanation:

We can let r and b represent the numbers of teams in the red and blue divisions, respectively. The total number of goals scored in each division will be the average for that division times the number of teams in that division.

  r - b = 1 . . . . . . there is 1 more red team than blue

  4.5r +4.2b = 48 . . . . . . total goals scored per week

__

Solving by substitution, we have ...

  r = b +1

  4.5(b +1) +4.2b = 48 . . . . substitute for r

  8.7b +4.5 = 48 . . . . . . . . simplify

  8.7b = 43.5 . . . . . . . . . . subtract 4.5

  b = 43.5/8.7 = 5 . . . . . divide by 8.7

  r = b +1 = 6 . . . . . . . . . find r

There are 6 red teams and 5 blue teams.

_____

<em>Additional comment</em>

The basic idea is that you make an equation for each relation given in the problem statement. For a problem like this, you do need to have an understanding of how the average number of goals would be calculated and how that relates to the total goals.

8 0
2 years ago
RSTUV - EABCD. Find AE.
larisa86 [58]

9514 1404 393

Answer:

  AE = 3

Step-by-step explanation:

First of all, we need to find corresponding sides that are defined in both figures. The table below shows the given values.

From the table, we can write the proportion ...

  EA/RS = BC/TU . . . corresponding sides are proportional

  EA/6 = 4/8 . . . . . . . substitute given lengths

  EA = 6(4/8) = 3

The length of AE is 3 units.

3 0
2 years ago
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