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Dafna1 [17]
3 years ago
7

You toss 3 fair coins in the air at once.

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0
The probability of a head or tail upon flipping is 50-50. THe asnwers are as followsL
a. {HHH, HHT, HTT, TTT, TTH, THH, HTH, THT}b and c.  p = 3C3 * 0.5^3 = 0.125d. from a, p = 3/8 = 0.375e. from a, p = 3/8 = 0.375f. 0.875
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lutik1710 [3]

Rotating the graph of Ax^2+Bxy+Cy^2+Dx+Ey+F=0 with B\ne0 counterclockwise by \theta eliminates the xy term, where \cot2\theta=\frac{A-C}{B}. Plugging in, we have \cot2\theta=\frac{7}{24}, since C=0. Solving, we have \theta=\frac{1}{2}\cot^{-1}(\frac{7}{24})\approx\boxed{36.9^\circ}.

4 0
3 years ago
Helen rolls a dice and flips a coin.<br> Calculate the probability that she will get a 4 and a tail.
Rom4ik [11]

Answer:

1/12

Step-by-step explanation:

The probability that Helen will roll a 4 is 1/6 the probability that she will get tails is 1/2. Multiply those two events together to find the probability of P(A and B)

5 0
3 years ago
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Suppose I have Rs 1000 and I put it in the bank. What will be the amount I have after 5 years if Interest is 5% per annum?​
vichka [17]

Answer:

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8 0
2 years ago
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Ber [7]
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2 years ago
For a snack, Sameer ate a plum with 32 calories and several strawberries with 4 calories each. If the total of calories in Samee
irinina [24]

Answer: 6

Step-by-step explanation:

So to find the answer, we would use the equation 32+4x=56 where as x represents the amount of strawberries Sameer ate. Now to solve for x

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now divide 4 from bboth sides of the equation getting:

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