A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the ba g without replacement. What is the probability of drawing a black marble followed by a red marble?
2 answers:
This is conditional probability because you are not replacing the marble. That means on the second pick you'll have one less marble and you want to multiply your fractions together not add them,so..
Answer: first event 12/35 times second event 10/34
12/119
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Step-by-step explanation:
i. 3x-1=20
or, 3x= 21
x= 7
ii. 3x+1= 22
3x= 21
x= 7
iii. 2x-5=99
2x= 104
x=52
iv. g(3)= 3+5/2= 11/2
g(0)= 0+ 5/2=5/2
g(-3)= -3+5/2 = -1/2
x+5/2= 0
so, x= -5/2
Answer:
(-4,8)
Step-by-step explanation:
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Answer:
y =0
Step-by-step explanation:
y=-2(x-3)
Let x= 3
Find the value of y
Substitute this value into the equation
y=-2(3-3)
y = -2(0)
y = 0
Answer:x=9
Are you in K12 as well ? If so do you have Mrs.Bisslessi I need help with Unit 4.07 the four spheres of earth
Step-by-step explanation:
4x+2=7x-25
2+25=7x-4x
27=3x
X=27 ÷3
X=9
