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3 years ago

You toss a coin and roll a number cube. Find P(tail and a six).

Mathematics

2 answers:

Dafna11 [192]3 years ago

8 0

There will be 12 possible outcomes. So, the probability of (tail and a sic) would be equal to = 1/12

1/12 is your answer..........

Eduardwww [97]3 years ago

7 0

there are 6 heads and 6 tails as and outcome so
H-T, H-T, H-T, H-T, H-T, H,T

Heads - 1
Heads - 2
Heads - 3
Heads - 4
Heads - 5
Heads - 6
Tails - 1
Tails - 2
Tails - 3
Tails - 4
Tails - 5
Tails - 6
We have to find the probability of tail and 6 so there is only one tail and a 6
 P(tail and a six) = 1/12 = 0.08
hope it helps

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Jonathan increased his rate of walking by 25% at halfway to his destination and therefore arrived half an hour earlier than was

Flura [38]

Answer:

1.67 hours

Step-by-step explanation:

Let the original speed of Jonathan = $x$ units/hr

Let the original time taken by Jonathan = $y$ hours

Let the distance = $D$ units

Formula for distance is given as:

$Distance = Speed \times Time$

Given that half the distance is covered by original speed.

$\Rightarrow \dfrac{D}{2} = \dfrac{x}{2}\times \dfrac{y}{2}\\\Rightarrow D = \dfrac{xy}{2} ..... (1)$

Half the distance is covered by increasing the rate by 25%.

i.e. increased speed:

$\dfrac{5}{4}x\ units/hr$

Hence, Time taken:

$\dfrac{y}{2}-\dfrac{1}{2}$

Distance traveled is half of the total distance:

$\Rightarrow \dfrac{D}{2} = \dfrac{5x}{4}\times (\dfrac{y}{2}-\dfrac{1}{2})\\\Rightarrow D = \dfrac{5x}{2}\times (\dfrac{y}{2}-\dfrac{1}{2}) .... (2)$

Dividing (1) by (2):

$\dfrac{xy\times 4}{2\times 5x(y-1)} = 1\\\Rightarrow 2y=5y-5\\\Rightarrow 3y=5\\\Rightarrow y =1.67\ hours$

5 0

2 years ago

Solve for y,6x+7=-14y

Kruka [31]

Here is your answer. If you need an explanation, let me know.

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3 years ago

Lynne is 25 years old and starting and IRA (individual retirement account). She is going to invest $150 at the beginning of each

Yuri [45]

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3 years ago

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*ANSWER CORRECTLY FOR MARK AS BRAINILISTE*

kkurt [141]

Answer: The Mean absolute deviation is 5. The mean is 10.

2 is 8 away from the mean.

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Step-by-step explanation:

Hope this helps!

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3 years ago

Determine the domain on which the following is decreasing

Katarina [22]

Answer:

(-∞,4)

Step-by-step explanation:

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