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3 years ago

2 is blank percent of 25

Mathematics

2 answers:

Marianna [84]3 years ago

4 0

2 is 8% of 25. Hope That Helps!

Artemon [7]3 years ago

3 0

2 is 8% of 25,
Hope this helped!

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A box of spaghetti weighs 1 pound. Lindsay

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Answer:

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Step-by-step explanation:

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3 years ago

What are the roots of the following polynomial equation? x^3 + 72= 5x^2 + 18x (write from least to greatest)

kow [346]

Answer:

2:3

Step-by-step explanation:

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2 years ago

-6x-4+5x=4<br> What is "x". Please show your work.

4vir4ik [10]

Answer:

first thing to do is combine like terms

now you would have -x-4=4

this is because you added -6x+5x

now you would add 4 to each side

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that is your answer. if you any questions just ask :D

Step-by-step explanation:

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3 years ago

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Lelechka [254]

Answer:

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2 years ago

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At a carnival, contestants are asked to keep rolling a pair of dice until they roll snake eyes. The number of rolls needed has a

Stells [14]

Answer:

The two numbers of rolls are 25.2 and 46.8.

Step-by-step explanation:

The Chebyshev's theorem states that, if X is a r.v. with mean µ and standard deviation σ, then for any positive number k, we have

$P (|X -\mu| < k\sigma) \geq (1-\frac{1}{k^{2}})$

Here

$(1-\frac{1}{k^{2}})=0.75\\\\\Rightarrow \frac{1}{k^{2}}=0.25\\\\\Rightarrow k=\sqrt{\frac{1}{0.25}}\\\\\Rightarrow k=2$

Then we know that,

$|X - \mu| \geq k\sigma,\\\\ \Rightarrow \mu - k\sigma \leq X \leq \mu + k\sigma$ .

Here it is given that mean (µ) = 36 and standard deviation (σ) = 5.4.

Compute the two values between which at least 75% of the contestants lie as follows:

$P(\mu - k\sigma \leq X \leq \mu + k\sigma)=0.75\\\\P(36 - 2\cdot\ 5.4 \leq X \leq 36 + 2\cdot\ 5.4)=0.75\\\\P(25.2\leq X\leq 46.8)=0.75$

Thus, the two numbers of rolls are 25.2 and 46.8.

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2 years ago