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Ilya [14]
3 years ago
13

Simplify 6 - 4[x + 1 - (y+ 3)] +

Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

14 - 4x + 9y

Step-by-step explanation:

6-4[x+1-(y+3)]+6y

6-4[x+1-y-3]+6y

6-4[x-2-y]+6y

6-4x+8+4y+6y

14-4x+10y

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KengaRu [80]
I hope this helps you

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You consider yourself a bit of an expert at playing rock-paper-scissors and estimate that the probability that you win any given
cestrela7 [59]

Answer:

a) 0.37

b) 0.421

c) 0.25

Step-by-step explanation:

Since the probability of winning a game is binomial (P = 0.5) the expected value for number of winning when you play 60 games is

\mu = 60*0.5 = 30

And the standard deviation:

\sigma = 60*0.5*0.5 = 15

a) the cumulative probability of winning at least 35 games is

P(X \geq 35) = 1 - P(X < 35) = 1 - 0.631 = 0.37

b)P(X < 27) = 0.421

c)P(30 \leq X \leq 40) = P(X \leq 40) - P(X \leq 30) = 0.75 - 0.5 = 0.25

7 0
3 years ago
Find the slope of each line <br> 5y = -2x + 15
Kipish [7]
The slope of the line is -2/5x
3 0
2 years ago
Please help!! i’ll mark as brainliest!!
liraira [26]
The answer should be 4/3
8 0
3 years ago
Help!!!! please!!!!<br> thank you!!!!!!
pentagon [3]

Answer:

18) 6x^2-7x-5

19) 20x^2+17x-63

20) 18x^2-20x+2

21) 5x^2+42x+16

Step-by-step explanation:

Perimeter=length×breadth

18) (3x-5)(2x+1)

=6x^2+3x-10x-5

=6x^2-7x-5

19) (4x+9)(5x-7)

=20x^2-28x+45x-63

=20x^2+17x-63

20) (18x-2)(x-1)

=18x^2-18x-2x+2

=18x^2-20x+2

21) (5x+2)(x+8)

=5x^2+40x+2x+16

=5x^2+42x+16

6 0
2 years ago
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