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kicyunya [14]
3 years ago
7

Explain how to identify a starting position on a line.

Mathematics
2 answers:
Valentin [98]3 years ago
4 0

Answer:

it depends on the type of line but for a straight line the starting point is always the edge that is A

ikadub [295]3 years ago
3 0

Answer:

hit just depends but if its going left to right, i think that it should start on point A im pretty sure

Step-by-step explanation:

im not that good at stuff like this so sry if its wrong hope u have a great evening !!

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Can I get help please?
irina1246 [14]

Answer:

Round to a number that is not a decimal.

4 0
3 years ago
Which of the following is correct?
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C) it is a closed figure made up of straight lines.
6 0
2 years ago
Among freshman at a certain university, scores on the Math SAT followed the normal curve, with an average of 550 and an SD of 10
lina2011 [118]

Answer:

a) 6.68th percentile

b) 617.5 points

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:

\mu = 550, \sigma = 100

a) A student who scored 400 on the Math SAT was at the ______ th percentile of the score distribution.

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

Z = \frac{400 - 550}{100}

Z = -1.5

Z = -1.5 has a pvalue of 0.0668

So this student is in the 6.68th percentile.

b) To be at the 75th percentile of the distribution, a student needed a score of about ______ points on the Math SAT.

He needs a score of X when Z has a pvalue of 0.75. So X when Z = 0.675.

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

0.675 = \frac{X - 550}{100}

X - 550 = 0.675*100

X = 617.5

6 0
3 years ago
6 pages every 1/5 hour in unit rates
Alecsey [184]

Answer:

30 <em>pages per hour</em>

Step-by-step explanation:

6 <em>pages per </em>1/5 <em>hour </em>

6 <em>x 5 = 30</em>

<em>1/5= </em><em>one whole would be five parts</em>

<em></em>

8 0
3 years ago
DUE SUN HELP ASAP BRAINIEST
trasher [3.6K]

Answer:  There are 108 hammers, and there are 36 screwdrivers. 36×3=108·

Step-by-step explanation: We know that there are more hammers than screwdrivers, so there are 36 screwdrivers but there are 3 times as many hammers so we multiply 36 by 3 to get 108.

3 0
3 years ago
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