Kayla has a bowl of beads that contains 42 yellow beads, 28 green beads, 12 white beads, and 18 red beads. she randomly draws a bead from the bowl.
the probability of kayla not drawing a yellow or a green bead is
%. the probability of kayla drawing a red or a green bead is
%.

The probability of Kayla not drawing a yellow or a green bead is 30%

The probability of Kayla drawing a red or a green bead is 46%

The probability of Kayla not drawing a yellow or a green bead is 30 %

The probability of Kayla drawing a red or a green bead is  46%.

Step-by-step explanation:

Number of yellow beads in the bowl = 42

Number of green beads in the bowl = 28

Number of white beads in the bowl = 12

Number of red beads in the bowl = 18

Total number of beads = 42 + 28 + 12 + 18

                                       = 100

Probability of not drawing a yellow or green bead, P(not Y or not G) = 1 - Probability of drawing yellow or green bead

⇒ P( not Y or not G) = 1 - ( P(Y) + P(G) )

Probability of drawing a red or green bead, P(R or G)

⇒ P( R or G) = P(R) + P(G)

Hence, The probability of Kayla not drawing a yellow or a green bead is  30 %. The probability of Kayla drawing a red or a green bead is  46%.

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step-by-step explanation:

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x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18