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disa [49]
3 years ago
7

Find the slope of the line passing through the points (4,8) and (1,6)

Mathematics
2 answers:
sergey [27]3 years ago
8 0

m = (y2-y1)/ (x2-x1)

m=(8-6)/(4-1)

m=2/3

emmasim [6.3K]3 years ago
3 0

Answer is provided in the image attached.

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Maria has 5 Orange 7 green 3 red and 9 toothpicks in a bag. if Maria randomly selects one toothpick out of the bag what is the p
hram777 [196]

Answer: 12 out of 24, so 1/2


Step-by-step explanation:

Add 3 and 9 together since those are the desired colors, then put it out of the total (24) and simplify the fraction down. Hope this helps!

5 0
3 years ago
I need help with this question.
skad [1K]
C would be the answer I think
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2 years ago
Last year, sales at a book store increased from $5,000 to $10,000. This year, sales decreased to $5,000 from $10,000. What perce
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Sales increased 50% last year, from $5,000 to $10,000. When sales dropped from $10,000 to $5,000 this year, sales decreased 50%

5 0
3 years ago
Suppose your statistics professor reports test grades as​ z-scores, and you got a score of 2.49 on an exam. ​(a) Write a sentenc
Oduvanchick [21]

Answer:

a) A z-score of 2.49 means that your grade was 2.49 standard deviations above the mean of all grades.

b) 1.39% of the class scored lower than your​ friend.

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.

You got a score of 2.49 on an exam. ​

(a) Write a sentence explaining what that means

A z-score of 2.49 means that your grade was 2.49 standard deviations above the mean of all grades.

(b) Your friend got a​ z-score of negative 2−2. If the grades satisfy the Nearly Normal​ Condition, about what percent of the class scored lower than your​ friend? ​

This percentage is the pvalue of Z = -2.2

So 0.0139 = 1.39% of the class scored lower than your​ friend.

7 0
3 years ago
A rope is tied around two trees. The lower end of the rope is 6
GrogVix [38]

Slope is the difference in height/difference in distance.

starting from the higher point to the lower point.

So the equation will be

(12-6)/6=6/6=1

The slope of the rope is 1 according to the given information

Hope it helped! :D

3 0
3 years ago
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