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SpyIntel [72]
3 years ago
15

Reduce any fractions to lowest terms.Don’t round your answer, and don’t use mixed fractions

Mathematics
2 answers:
Murljashka [212]3 years ago
7 0

Step-by-step explanation:

let's hop to it mattie.

12t–2< –5t+36===> 12t+5t< 36+2====>

17t< 38====> t < 38÷17

DENIUS [597]3 years ago
4 0

Answer:

t < \frac{38}{17}

Step-by-step explanation:

Add '5t' to both sides

12t - 2 +5t < -5t +36 +5t

17t -2 < 36

Add ' 2' to both sides  

17t -2 +2 < 36 + 2

17t < 38

Dividing '17' on both sides

\frac{17t}{17} < \frac{38}{17}

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Answer:

the answer to your question is -8

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3 years ago
Exam 03.01 the Pythagorean theorem
Arturiano [62]

Answer: 72.8

Step-by-step explanation:

If you were to fold the lines together, the lengths would have a barely different length so it is 72.8

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115 divided by 17 and 72 divided by 5
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3 years ago
Read 2 more answers
A normal distribution has a standard deviation equal to 39. What is the mean of this normal distribution if the probability of s
Naily [24]

Answer:

The mean is \mu = 131

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\sigma = 39

What is the mean of this normal distribution if the probability of scoring above x = 209 is 0.0228?

This means that when X = 209, Z has a pvalue of 1-0.0228 = 0.9772. So when X = 209, Z = 2.

Z = \frac{X - \mu}{\sigma}

2 = \frac{209 - \mu}{39}

209 - \mu = 2*39

\mu = 209 - 78

\mu = 131

The mean is \mu = 131

7 0
3 years ago
There are 30 books on the library shelf, Sam noted that 1/6 of them are non fiction. Dan notes that 3/5 of the books are fiction
ehidna [41]

Answer:

7

Step-by-step explanation:

Fiction books:  (1/6) of 30 books = 5 books

Non-fiction books:  (3/5) of (30) books = 18 books

The subtotal here is 5 + 18, or 23.  

23 of the books are either fiction or non fiction.

30 - 23, or 7, of the books remain (are neither fiction nor non-fiction).

3 0
3 years ago
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