3 years ago

Can u plz help me idk the answer plzz help!!!!

Mathematics

1 answer:

Tju [1.3M]3 years ago

8 0

You have to know what it is before you solve the problem

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How do you solve this?

Katarina [22]

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3 years ago

What is 5.5 : 6.5 as a simplified fraction?

Nat2105 [25]

Answer:

5.5 = 5.5 = 55 1/2

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Step-by-step explanation:

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2 years ago

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Please help!! Which of the following is equal to the rational expression when x ≠ 2 or -4? 5(x-2)/(x-2)(x+4)

Stels [109]

Answer:

5 / (x+4) x ≠2 x≠-4

Step-by-step explanation:

5(x-2)/(x-2)(x+4)

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Cancel like terms in the numerator and denominator

5 / (x+4) x ≠2 x≠-4

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3 years ago

Help please.

Murljashka [212]

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2 years ago

g At a certain gas station, 30% of all customers use the restroom. What is the probability that, out of the next 10 customers, (

Kruka [31]

Answer:

$P(x=4) = 0.200$

Step-by-step explanation:

Given

$n=10$ --- selected customers

$x = 4$ --- those that are expected to use the restroom

$p =30\% = 0.30$ --- proportion that uses the restroom

Required

$P(x = 4)$

The question illustrates binomial probability and the formula is:

$P(x) = ^nC_x * p^x * (1 - p)^{n - x}$

So, we have:

$P(x=4) = ^{10}C_4 * (0.30)^4 * (1 - 0.30)^{10 - 4}$

$P(x=4) = ^{10}C_4 * (0.30)^4 * (0.70)^6$

$P(x=4) = 210* (0.30)^4 * (0.70)^6$

$P(x=4) = 0.200$

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3 years ago