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Leona [35]
3 years ago
14

What is P(HHHT)?

Mathematics
1 answer:
Ad libitum [116K]3 years ago
7 0

Answer:

1.) P(HHHT) = 1/16

Step-by-step explanation:

P(H) = 1/2

P(T) = 1/2

P(HHHT) =P(H) *P(H) * P(H) *P(T)

1/2 * 1/2 * 1/2 * 1/2

=1/16

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This is for the first answer and to be honest just use Desmos if you don’t have a graphing calculator

8 0
2 years ago
When x = 1/2, what is the value of 8x-3/x?
sp2606 [1]

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Step-by-step explanation:

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8x - 3/x

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4 0
2 years ago
The Smith family of 4 completes 8 loads of laundry each week. They estimate the total cost (energy, water, and detergent) is $7.
melisa1 [442]

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Step-by-step explanation:

4 0
3 years ago
Find the other perimeter
damaskus [11]

Answer:

28.56

Step-by-step explanation:

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7 0
2 years ago
In a triangle, two sides that measure 8 centimeters and 11 centimeters form an angle that measures 82°. to the nearest tenth of
Gwar [14]
We can use the Сosine formula to solve this problem.
<span>First we must find the third side (АС) of the triangle:
</span>
AC^2=AB^2+BC^2-2*AB*BC*cos82^o \\ AC^2=8^2+11^2-2*8*11*0.1392 \\ AC^2=64+121-24.4992= 160.508 \\ AC= \sqrt{160.508} \approx  12.67 \ cm
<span>
The smallest angle of the triangle lies opposite the smallest side, so we need to find m</span>∠C.

cosC= \frac{AC^2+BC^2-AB^2}{2*AC*BC}  \\  \\ cosC= \frac{12.67^2+11^2-8^2}{2*12.67*11}= \frac{160.53+121-64}{278.74} = \frac{217.53}{278.74} \approx  0.7804

Now we can use Bradis's Table (I don't know the name in English, maybe Trigonometric Table?) to find m∠C:

m∠С = 38°42' = 38.7°

Answer: 38.7°


<span>I hope this helps</span>

7 0
3 years ago
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