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3 years ago

14

A proper unbiased coin was tossed 10 times for 3 trials, giving TTHHTHTTHH, TTTTTHHHHH, and THTHHTHTTH (T = Tails; H = Heads). W

hat is the difference between the theoretical and experimental probabilities of getting heads?

1 answer:

kvasek [131]3 years ago

4 0

In the theoretical probability if you toss the coin 1 time or 1000 times the probability of getting a Head = probability of getting a Tale = 1/2

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Is the product of two integers positive, negative , or zero ? How can you tell?

Firlakuza [10]

Answer:it depends on the numbers you are using.

Step-by-step explanation:

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3 years ago

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating

MakcuM [25]

Answer:

A=8.4063 $u^{2}$

Step-by-step explanation:

Be the functions:

$y=\frac{3}{x};y=\frac{3}{x^{2}}:x=7$

according the graph:

$\int\limits^1_7 {\frac{3}{x} } \, dx -\int\limits^1_7 {\frac{3}{x^{2} } } \, dx =3\int\limits^1_7 {\frac{1}{x} } \, dx -3\int\limits^1_7 {\frac{1}{x^{2} } } \, dx=3(\int\limits^1_7 {\frac{1}{x} } \, dx -\int\limits^1_7 {\frac{1}{x^{2} } } \, dx)=3[lnx-\frac{1}{x}](1-7)=3[(ln7-ln1)-(\frac{1}{7}-1)]=3[(1.945-0)-(0.1428-1)]=3*(1.945+0.8571)=3*2.8021=8.4063u^{2}$

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3 years ago

So,some please help!

Leni [432]

4.6 is the correct answer. Hope I helped:)

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3 years ago

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Find the length of side x in simplest radical form with rational denominator.

DaniilM [7]

Answer:

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Step-by-step explanation:

The two perpendicular side lengths are equal, so using Pythagoras theorem:

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3 years ago

7. The largest of the Great Pyramids in Egypt was built with a square base,

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Answer:

Difference between the original and current volumes = 4013140.30 cubic feet

Step-by-step explanation:

Largest pyramid has the square base with one edge = 754 feet

Area of the square base = (Side)²

= (754)²

= 568516 square feet

Volume of the pyramid = $\frac{1}{3}(\text{Area of the base})(\text{Height})$

= $\frac{1}{3}\times 568516\times 481$

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After erosion,

Area of the base = (745)² = 555025 square feet

Volume of the pyramid = $\frac{1}{3}(555025)(471)$

= 87138925 cubic feet

Difference between the original and current volumes of the pyramid

= 91152065.30 - 87138925

= 4013140.30 cubic feet

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3 years ago