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Artist 52 [7]
3 years ago
11

If you get the answer can you also explain how you go it

Mathematics
2 answers:
Ksju [112]3 years ago
5 0
The answer is C.

6/10 lines are shaded. 3 x 2/5 = 6/10
Salsk061 [2.6K]3 years ago
3 0
C I’m pretty sure, if wrong I’m sorry
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What’s the answer to this?
antiseptic1488 [7]

Answer:

17

Step-by-step explanation:

4 0
3 years ago
For a data set of the pulse rates for a sample of adult? females, the lowest pulse rate is 39 beats per? minute, the mean of the
Zarrin [17]

Answer:

a) The difference is of 35 beats per minute.

b) So 3.07 standard deviations below the mean.

c) Z = -3.07.

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

In this question:

Mean \mu = 74, standard deviation \sigma = 11.4

a. What is the difference between the pulse rate of 39 beats per minute and the mean pulse rate of the? females?

39 - 74 = -35

The difference is of 35 beats per minute.

b. How many standard deviations is that? [the difference found in part? (a)?

|Z| when X = 39. So

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

Z = \frac{39 - 74}{11.4}

Z = -3.07

|Z| = 3.07

So 3.07 standard deviations below the mean.

c. Convert the pulse rate of 39 beats per minutes to a z score.

From item b. above, Z = -3.07.

5 0
2 years ago
Form a sequence that has two arithmetic means between -13 and 89.
scoray [572]
It would be D. If you add all the numbers (-18, -81, 144) and divide it by 3 then you would get -81. I hope I helped!
8 0
3 years ago
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navik [9.2K]
30-8=22 but I’m not sure about the graph part
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3 years ago
What are the x-intercepts of the graph of the function f(x)=x2+ 4x-12
grin007 [14]

x^2 + 4x-12 =0

factor

(x+6) (x-2)=0

x+6=0  x-2=0

x=-6  x=2

are the x intercepts

Answer -6, 2

7 0
3 years ago
Read 2 more answers
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