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3 years ago

13

a radio station has 205 tickets it gave 4 times as many tickets as to employees how many tickets did they give away to employees

1 answer:

Ierofanga [76]3 years ago

7 0

Answer:51

Step-by-step explanation:

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The correct answer is 37.5.

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3 years ago

Which equation is the inverse of y = 7x2 – 10? y = StartFraction plus-or-minus StartRoot x + 10 EndRoot Over 7 EndFraction y = p

lbvjy [14]

Answer:

Letter C

y = plus-or-minus StartRoot StartFraction x + 10 Over 7 EndFraction EndRoot

Step-by-step explanation:

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Scores on an English test are normally distributed with a mean of 31.5 and a standard deviation of 7.3. Find the score that sepa

vladimir1956 [14]

If $X$ is a random variable representing test scores, then the 41st percentile is the score $x$ such that $P(X\le x)=0.41$ . Transform $X$ to the random variable $Z$ that follows the standard normal distribution via $X=31.5+7.3Z$ :

$P(X\le x)=P\left(\dfrac{X-31.5}{7.3}\le\dfrac{x-31.5}{7.3}\right)=P\left(Z\le\dfrac{x-31.5}{7.3}\right)=0.41$

The $z$ -score for the 41st percentile is about -0.2275, so

$\dfrac{x-31.5}{7.3}\approx-0.2275\implies\boxed{x\approx29.8}$

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4 years ago

What is the Percentage of 23000?

tankabanditka [31]

Answer: 0.00435 If you do it by one.

0.0087 if you do it by two. And-

0.01304 if you do it by three.

I really hope this helps have a good day :)) (pls make brainliest im trying to each a goal!)

Step-by-step explanation:

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