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Vilka [71]
3 years ago
9

there are 3 black marbles in and 4 red marbles in a bag. what is the probability that you will pick two black marbles put of the

bag without replacing the first one?
Mathematics
1 answer:
professor190 [17]3 years ago
5 0

|\Omega|=7\cdot6=42\\ |A|=3\cdot2=6\\\\ P(A)=\dfrac{6}{42}=\dfrac{1}{7}\approx14\%

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Which ordered our is a solution for this system of linear inequalities?
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Answer:

D) (4,5)

Step-by-step explanation:

the ordered pair (4, 5) is the only one that, when substituted into each inequality statement, made both of them true

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F(x)=-x2+8x-1 find f(3) show work
r-ruslan [8.4K]
F(3)= -(3)^2+8(3)-1
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I believe the answer is A but im not sure , can someone check my answer?
hichkok12 [17]

Answer:

yes it's (A)

Step-by-step explanation:

Its A because you aways have to add the one under the (N) and add (1) and multiple them and you got your answee

4 0
3 years ago
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Hey everyone! Please help me figure this out...
shepuryov [24]

Answer:

See below

Step-by-step explanation:

0.82=82/100=82%

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5 0
3 years ago
Read 2 more answers
(picture is sideways)
Vlada [557]

Answer:

U=80

B=44

Q=93

Step-by-step explanation:

U:180=U+37+63

180=U+100

180-100=U+100-100

80=U

B:180=B+90+46

180=B+136

180-136=B+136-136

44=B

Q:180=Q+36+51

180=Q+87

180-87=Q+87-87

93=Q

4 0
3 years ago
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