2 years ago

A quotient is considered rationalized if its denominator contains no

Mathematics

1 answer:

FinnZ [79.3K]2 years ago

4 0

Answer:

radicals or complex numbers

Step-by-step explanation:

A "rationalized" denominator consists entirely of a real number or variable expression with real coefficients. Preferably, any number(s) will be integer(s).

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A mile-runner’s times for the mile are normally distributed with a mean of 4 min. 3 sec. (This would have to be expressed in dec

Vinvika [58]

Answer: 0.0668

Step-by-step explanation:

Given: Mean : $\mu=\text{4 min. 3 sec.=4.05 minutes}$

Standard deviation : $\sigma = \text{2 seconds=0.033333 minutes }$

The formula to calculate z-score is given by :_

$z=\dfrac{x-\mu}{\sigma}$

For x= 4 minutes , we have

$z=\dfrac{4-4.05}{0.03333}\approx-1.5$

The P-value = $P(z\leq-1.5)=0.0668072\approx0.0668$

Hence, the probability that on a given run, the time will be 4 minutes or less = 0.0668

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2 years ago

You want to put 520 quarters in coin wrappers. You need one rapper for every $10 in quarters. Write equation you can use to find

Nataly_w [17]

10x4=40

520/w=40
OR
40w/40=520/40

ANSWER:w=13 wrapers

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2 years ago

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PT=7x-24 and TQ=6x-2, Find PT.

Nastasia [14]

We can't find what PT exactly is because we don't know TQ or x. However, we can find PT in terms of TQ!

Multiply the second equation by seven sixths to get:

$\frac{7TQ}{6}=7x- \frac{7}{3}$

Subtract $\frac{65}{3}$ from both sides to get:

$\frac{7TQ}{6}- \frac{65}{3}=7x-24$

Substituting PT for 7x-24, we see that:

$PT= \frac{7TQ}{6} - \frac{65}{3}$ , which is our answer.

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2 years ago

610 people go on a coach trip each coach can hold 55 people how many coaches are needed

diamong [38]

Answer:

Step-by-step explanation:

610 divided by 55 = 11.09

but since u cant have 11.09, u need 12

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2 years ago

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Make y the subject of the formula x=a-2by squared