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3 years ago

12

Rlly needing some help asap thanks

2 answers:

shepuryov [24]3 years ago

6 0

It's actually quite simple. =)

Since you want to highlight sequences that correspond to, where three coins at least land on tails, you want to highlight any of these following sequences:
HTTT
TTTH
TTHT
THTT

This is because, they each have three coins in them, that landed on tails.
Let me know if this wasn't what you were looking for or need additional help. =)

olga nikolaevna [1]3 years ago

4 0

Its a 50/50 chance because a coin only has 2 side

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3 years ago

Find the f^-1(x) and it’s domain

borishaifa [10]

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Step-by-step explanation:

Given

$f(x) = \sqrt x - 8$

Solving (a): $f^{-1}(x)$

We have:

$f(x) = \sqrt x - 8$

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$y = \sqrt x - 8$

Swap x and y

$x = \sqrt y - 8$

Add 8 to $both\ sides$

$x + 8 = \sqrt y - 8 + 8$

$x + 8 = \sqrt y$

Square both sides

$(x + 8)^2 = y$

Rewrite as:

$y = (x + 8)^2$

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$f^{-1}(x) = (x + 8)^2$

To determine the domain, we have:

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Answer:

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3 years ago

Read 2 more answers