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IRINA_888 [86]
3 years ago
10

Find 3 ratios equivalent to 4:3

Mathematics
1 answer:
coldgirl [10]3 years ago
7 0
You do 4*2 and 3*2 you get 8:9 divide 4/2 and 3/2 2:1.5 multiply each by 3 12:9
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(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
Solve for m: -13 =5(1+4m)-2m
erastovalidia [21]

Answer:


Step-by-step explanation:


-13 = 5(1+4m)-2m

-13=5+20m-2m

-13=5+18m

-13-5=18m

(-13-5)/18=m


6 0
3 years ago
A survey of a random sample of voters shows that 29% plan to vote for Martin and 71% plan to vote for
Iteru [2.4K]

Range=±7%

Martin=71%, Lang=29%

Range for Martin=71%±7%

So, highest %=71%+7%=78%

Lowest %=71%-7%=64%

Therefore,range for Martin is between 64%-78% which is 14%

3 0
3 years ago
What is the value of the expression
Stels [109]

(-\dfrac{3^2}{3^3} )^2 = (-\dfrac{1}{3} )^2 = \dfrac{1}{9}


OR (in more details):


(-\dfrac{3^2}{3^3} )^2 = (-3^{2-3})^2 = (-3^{-1})^2 = (-\dfrac{1}{3} )^2 = \dfrac{1}{9}


5 0
3 years ago
Read 2 more answers
What is the Y-intercept of the graph of the linear function? What is the slope?
xeze [42]

Answer:

The Y intercept is -5 and the slope is -5/2

4 0
2 years ago
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