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3 years ago

What type of solution does the system of linear equations have? 2x - 6y = 8 -x + 3y = 10

1 answer:

3 0

Let's actually find the solution of

2x - 6y = 8
-x + 3y = 10

Let's use the addition/subtraction method. Multiply the 2nd equation by 2, obtaining

 2x - 6y = 8
-2x + 6y = 20
--------------------
0 + 0 = 28

Since this can never be true, the system of linear equations

2x - 6y = 8
-x + 3y = 10

has no solution.

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the total attendance at a concert in a theater hall was 1500, of this total 400 were children,850 were women , and the remaining

AleksandrR [38]

Answer:

Below!

Step-by step explanation:

We know that:

400 + 850 + m = 1500

Solution of Question A:

Percent of children: Total children/Total attendance

=> 400/1500
=> 4/15
=> 0.27 (Rounded to nearest hundredth)
=> 0.27 x 100
=> 27%

Hence, the percent of children is about 27%.

Solution of Question B:

Percent of women: Total women/Total attendance

=> 850/1500
=> 85/150
=> 17/30
=> 17/30 x 100
=> 17/3 x 10
=> 170/3
=> 56.67%

Hence, the percent of women is 56.67%.

Solution of Question C:

400 + 850 + m = 1500
=> 1250 + m = 1500
=> m = 1500 - 1250
=> m = 250

Percent of men: Total men/Total attendance

=> 250/1500
=> 1/6
=> 0.17 (Rounded to nearest hundredth)
=> 0.17 x 100
=> 17%

Hence, the percent of men is about 17%

Hoped this helped.

$BrainiacUser1357$

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