3 years ago

What's the probability of having at least k consecutive heads?

Mathematics

1 answer:

Ksju [112]3 years ago

3 0

Jjuuhhjhgy77yghuh877777uhh6y

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Shirley wants to buy a skateboard for $64. She has $98 in her account. She spent $10.85 to buy stationary. She also wants to buy

klemol [59]

she had 98 but spent 10.85 so she now has:

98-10.85 = 87.15

skateboard cost 64

87.15 -64 = 23.15 is what she can spend on cookies

23.15 / 1.65 = 14.03 she can't buy more than 14 cookies

so answer is c. n ≤ 14

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3 years ago

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Evaluate 27x1/3^3<br> I need it in simple form

ruslelena [56]

Step-by-step explanation:

$27 \times \frac{1}{ {3}^{3} }$

$= 27 \times \frac{1}{27}$

$= 1$

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2 years ago

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If f(x) = 5x − 3, which expression represents its inverse function?

tangare [24]

Answer:

$f ^{-1}(x)=\frac{x+3}{5}$

Step-by-step explanation:

To find the inverse of a function f (x) follow the steps below:

1) Make y = f (x)

$y= 5x - 3$

2) Solve for the variable x

$y+3= 5x - 3+3$

$y+3= 5x$

$x=\frac{y+3}{5}$

3) Exchange the variable x with the variable y

$y=\frac{x+3}{5}$

4) Make $y = f ^{-1}(x)$

$f ^{-1}(x)=\frac{x+3}{5}$

Finally, the inverse of the function f (x) is: $f ^{-1}(x)=\frac{x+3}{5}$

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3 years ago

What is the quotient of 2 and 2 over 7 ÷ 4 over 7?<br><br> Numerical Answers Expected!

Olin [163]

The answer is 7 :) Hope this helps

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2 years ago

Y - ( -3y ) what is the answer????

Nataly_w [17]

Answer:

Step-by-step explanation:

y - -3y

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y+3y

Combine like terms

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