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motikmotik
3 years ago
9

A jar contains 25 gray, 7 pink, and 22 orange marbles. A marble is drawn at random. P(not gray).

Mathematics
1 answer:
MAXImum [283]3 years ago
5 0
1 squalls 23 so 94 for 32
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The diameter of the circle is 13.

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Ship A receives a distress signal from the southwest, and ship B receives a distress signal from the same vessel from the north.
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A bag contains 4 white beads, 6 red beads, and 5 yellow beads. One bead is selected and not replaced. Then another bead is selec
lara31 [8.8K]

Answer:

\frac{24}{210}

Step-by-step explanation:

Add them all up 15 if one is taken out and no replaced OR put back in, then the second draw will have 14 beads.

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7 0
3 years ago
Let a and b be real numbers satisfying a^3 - 3ab^2 = 47 and b^3 - 3a^2 b = 52. Find a^2 + b^2.
boyakko [2]

Answer: a²+b² = -99/2

Step-by-step explanation:

Since we are given two equations, this equations will be solved simultaneously to get a² and b²

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b³ - 3a² b = 52... 2

From 1, a(a² - 3b²) = 47...3

From 2, b(b² - 3a²) = 52... 4

Adding 3 and 4, we have;

a²+b²-3b²-3a² = 99 (note that a and b will no longer be part of the equations as they have been factored out)

a²+b²-(3b²+3a²) = 99

(a²+b²) -3(b²+a²)= 99

Taking the difference we have

- 2(a²+b²) = 99

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3 years ago
Factor 2x2 + 6x – 108.
bekas [8.4K]

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option A is correct

hope it helps

4 0
3 years ago
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