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Dmitrij [34]
3 years ago
6

PLEASE HELP MEE!! IVE BEEN DOING THIS ASSIGNMENT FOR OVER 2 HOURS NOW, PLS HELP.. :(

Mathematics
2 answers:
Lesechka [4]3 years ago
5 0

Answer:

x = -3, y = 5

Step-by-step explanation:

first, take the 3x + 17 = y and put it in place for the y in the second equation.

-3x=4x+17+4

then, solve the equation.

-3x=4x+21

-3x-4x=4x-4x+21

-7x=21

-7/-7x=21/-7

x = -3

substitute in other equation

4(-3) + 17 = y

-12 + 17 = y

y = 5

answers are x = -3 and y = 5

BartSMP [9]3 years ago
3 0

Answer: x=-3 and y=5

Step-by-step explanation: 4x+17=y, -3x=y+4

4x+17-17=y-17

4x/4=y/4-17/4

x= y-17/4

-3(y-17/4)=y+4

-3(y-17)/4=y+4+4(4)

-3(y-17)=4y+16

-3(y-17)

-3-(-3)(17)

-3y+3(17)

-3y+51-51=4y+16-51

-3y-4y=4y-35-4y

-7y/-7=-35/-7

y=5

x=5-17/4

-12/4

x=-3

x=-3, y=5

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The probability of selecting a blue marble is <u>3/14</u>. Hence, <u>option D</u> is the right choice.

The probability of any event is the chance of the occurrence of that event. It is given as the ratio of the number of favorable outcomes to the event to the total number of outcomes possible in the experiment.

If we consider an event A, the number of favorable outcomes to event A be n, and the total number of outcomes be S, then the probability of event A is given as:

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Let us take the event of selecting a blue marble from the experiment of selecting a marble randomly from the bag be A.

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