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3 years ago

Simplify Fourth root of 196

Mathematics

1 answer:

stealth61 [152]3 years ago

8 0

Answer:

Exact Form:

√14

Decimal Form:

3.74165738

Step-by-step explanation:

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A coin is biased such that a is times as likely to occur as a tail. Find the expected number of when this coin is tossed twice.

Sever21 [200]

Complete question:

A coin is biased such that a head is three times as likely to occur as a tail. Find the expected number of tails when this coin is tossed twice.

Answer:

1/2

Step-by-step explanation:

Head is 3 times as likely to occur as tail;

Hence,

Sample space for 2 tosses :

{HH, HH, HH, HH, HH, HH, HH, HH, HH, HT, HT, HT, HT, HT, HT, TT}

Expected probability (E(x)) = Σx*p(x)

P(x) = required outcome / Total possible outcomes

x : __________ 0 ______ 1 _______ 2

p(x) : ________9/16_____6/16_____1/16

Σx*p(x) : 0(9/16) + 1(6/16) + 2(1/16)

= 0 + 6/16 + 2/16

= 0 + 3/8 + 1/8

= 4/8

= 1/2

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3 years ago

Pls help I’m failing do it on paper and put it in the answer box

mina [271]

Step-by-step explanation:

there is no mathematical problem to solve.

just follow the instructions as given.

this is an exercise for you to get a feeling about what is what. it is imperative that you do it.

there is really nothing to solve.

remember, that a positive slope means the line goes up (from left to right), and a negative slope means the line goes down (again from left to right).

and I am sure you know what vertical and horizontal means.

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2 years ago

Please help me please i really need help please

egoroff_w [7]

Answer:

Step-by-step explanation:

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3 years ago

What part of a pictograph tells what each picture stands for

Natasha_Volkova [10]

The key on a pictograph tells what each picture stands for.

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3 years ago

Please help me thank you sooooo much ( also if you take my points <br>I'm reporting you)

Amanda [17]

Answer: x=-10.2 but for me the real answer is x=10.2 but go for x=-10.2

Step-by-step explanation: hope this help

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2 years ago

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