3 years ago

if you flip a coin 10 times, what is the best prediction possible for the number of times it will land on heads?

Mathematics

2 answers:

lawyer [7]3 years ago

7 0

I think that it is a 50 / 50 chance it will land on head or tails.

( hoped this helped) :)

SVETLANKA909090 [29]3 years ago

4 0

Proabably. 5 because if there is 2 sides on a coin then you should divide 10÷2 which is 5.

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3 years ago

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Ignore circled one and work it out please

mash [69]

Answer:

a. $\frac{(x-7)}{x^2+x-30}$

Step-by-step explanation:

$\huge \frac{x^2-3x-28}{(x^2+10x+24)(x-5)} \\\\\huge {=\frac{x^2-7x+4x-28}{(x^2+6x+4x+24)(x-5)}}\\\\\huge {=\frac{x(x-7)+4(x-7)}{\{x(x+6)+4(x+6)\}(x-5)}}\\\\\huge {=\frac{(x-7)(x+4)}{(x+6)(x+4)(x-5)}}\\\\\huge {=\frac{(x-7)}{(x+6)(x-5)}}\\\\\huge {=\frac{(x-7)}{x^2+(6-5)x+6(-5)}}\\\\\huge {=\frac{(x-7)}{x^2+x-30}}$