A fair coin is tossed 7 times. What is the probability that all tosses will be tails?

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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Dan bought bagels and left a 25% tip of 4.00. What was the price of the bagels, before tip?

Solution

$16.00

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Solution steps

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Let the price of the bagels before the tip be $x$ .

More steps...

$\$16.00$

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+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

A fair coin is tossed 7 times. What is the probability that all tosses will be tails?

Solution

Solution steps

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