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maksim [4K]
2 years ago
6

5. Evaluate 10+ (4 23 + 7) - 19 A. 30 B. 33 C. 47 D. 45

Mathematics
1 answer:
Lyrx [107]2 years ago
4 0

Answer:

10+ (4 23 + 7) - 19

I don't know if the 4 is supposed to be multiple or subtract or to add but If it is add

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Step-by-step explanation:

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A small class has 10 students, 4 of whom are girls and 6 of whom are boys. The teacher is going to choose two of the students at
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Answer:

1/3

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2 years ago
What is y greater then or equal to 2x on a graph
Juliette [100K]

Answer:

The minimal number for the objective function P =20x+16y is: 780

The value of x then is: 15

and the value of y then is : 30

Step-by-step explanation:

We are given a system of inequalities as:

y is less than or equal to 2x

i.e.          y ≤ 2x--------(1)

x + y is greater than or equal to 45

i.e.      x+y ≥ 45  ------------(2)    

and    x is less than or equal to 30.    

i.e.               x ≤ 30 -----------(3)    

On plotting these inequalities we get the boundary points as:

        (15,30) , (30,60) and (30,15)    

( Since, the optimal solution always exist at the boundary point )

The optimal function is given by:

 Minimize  P = 20x+16y

Hence, at (15,30) we get:

P= 780

at (30,60) we get:

 P= 1560

at (30,15) we get:

P= 840

This  means that the minimal value of the function is 780

and the value exist at (15,30)

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3 years ago
I need some help... Algebra Hw
Neko [114]

Answer:

Step-by-step explanation:

2.A

8 0
2 years ago
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