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Sloan [31]
3 years ago
8

A 100 serving of lasagna divided by 30 people

Mathematics
2 answers:
Misha Larkins [42]3 years ago
7 0

Answer: 0.3

Step-by-step explanation:

Papessa [141]3 years ago
3 0

Answer: 4.3

Step-by-step explanation: divide 130 by 30 and you get 4.33333333 etc.

If there is a question that has a lot of repeated numbers, just use the first one after the point.

(If that makes sense)

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who is jack is that your crush?

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Solve by completing the square.
enot [183]

Answer:

x^2 -8x -5 = -3

x^2 -8x -2 = 0

We complete the square by:

1) Moving the "non X" term to the right:

x^2 -8x  = 2

2) Dividing the equation by the coefficient of X²

The coefficient of x is 1 so we don't do anything

3) Now here's the "completing the square" stage in which we:

      • take the coefficient of X

that is -8

     • divide it by 2

-8 ÷ 2 = -4

     • square that number

-4*-4 = 16

     • then add it to both sides of the  equation.

x^2 -8x +16 = 2 +16

That becomes

(x -4)^2 = 18

we take the square root of both sides:

(x -4) = sqr root (18)

x1 = sqr root (18) +4

AND

(x+4) = sqr root (18) -4

x1 =  sqr root (18) +4 = 4.2426406871  + 4 = 8.2426406871

x2 = sqr root (18) -4 =  = 4.2426406871  - 4 = .2426406871

       

Step-by-step explanation:

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