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3 years ago

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A bag contains 4 red, 3 green and 2 blue marbles. What is the probability of selecting a green marble and then a blue marble ass

uming you replace the first marble?

1 answer:

TiliK225 [7]3 years ago

5 0

1st of all, this makes my brain hurt

2nd of all, which one was the first marble?

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I need help on this problem, if you can help me ill really be grateful. If you could also explain it that would be great.

givi [52]

Answer:

x=3

Step-by-step explanation:

The square root of 225 is 15

so 15=4x+3

-3 -3

12=4x

If 12=4x then x=3

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2 years ago

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Radda [10]

36 pints of green paint.

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3 years ago

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Please help me understand how to work out these types of equations?

Mademuasel [1]

Answer:
115.2 other solutions is 576/5, 115 1/5
Step by step explanation:
To divide by a fraction, multiply by the reciprocal of the fraction
2.4 x (12 x 4)
Then multiply 12 and 4 which is 48
2.4 x 48
Then multiply 2.4 x 48
which is 115.2

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3 years ago

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5n(3n+8) ..? I don't understand

SSSSS [86.1K]

You have ti distribute the 5n into the brackets.

so then youll have 15n^2 + 40n.

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3 years ago

Over a 24-hour period, the tide in a harbor can be modeled by one period of a sinusoidal function. The tide measures 5.15 ft at

Crazy boy [7]

Answer:

f(x)=5.05 sin((pi/12)x) + 5.15

Step-by-step explanation:

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3 years ago