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Alexandra [31]
2 years ago
9

In the ordered pair (-12,-6) what is the x-coordinate?

Mathematics
2 answers:
Serhud [2]2 years ago
4 0

Answer:

-12 is the x and -6 is the y

Step-by-step explanation:

hope this helped sorry if not

tiny-mole [99]2 years ago
3 0

Answer:

Step-by-step explanation:

The x coordinate would be (-16,-8) I have had this question before hope it helps! ;)

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Question: Researchers in Pakistan wanted to better understand the effects of anthracycline (a chemotherapeutic drug) on the hear
Sedbober [7]

Using the normal distribution, it is found that:

1. His z-score was of Z = -1.88.

2. There is a 0.0301 = 3.01% probability that a randomly selected person has a smaller E/A ratio than the patient in question 1.

3. Z-score of z = 1.85, there is a 0.0322 = 3.22% probability that a randomly selected patient has a higher E/A ratio.

4. Due to the higher absolute value of the z-score, the first patient had a more extraordinary result.

<h3>Normal Probability Distribution</h3>

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

  • It 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, which is the percentile of X.

In this problem:

  • The mean is of \mu = 1.35.
  • The standard deviation is of \sigma = 0.33.

Item 1:

Considering his ratio, we have that X = 0.73, hence:

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

Z = \frac{0.73 - 1.35}{0.33}

Z = -1.88

His z-score was of Z = -1.88.

Item 2:

The probability is the <u>p-value of Z = -1.88</u>, hence, there is a 0.0301 = 3.01% probability that a randomly selected person has a smaller E/A ratio than the patient in question 1.

Item 3:

Score of X = 1.96, hence:

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

Z = \frac{1.96 - 1.35}{0.33}

Z = 1.85

The probability is 1 subtracted by the p-value of Z = 1.85, hence, 1 - 0.9678 = 0.0322 = 3.22% probability that a randomly selected patient has a higher E/A ratio.

Item 4:

Due to the higher absolute value of the z-score, the first patient had a more extraordinary result.

More can be learned about the normal distribution at brainly.com/question/24663213

7 0
2 years ago
HELP ASAP!!!!<br> GIVING BRAINLIEST!<br><br> Find the value of x and y with the steps PLEASE.
PtichkaEL [24]

Answer:

x=70

y= 40

Step-by-step explanation:

the triangle containing x is an isosceles triangle so two of the sides are 55.

55+55+x=180.

110+x=180

110-110+x=180-110

x=70

Triangle BAC is equilateral so 180/3=60. Now

x+60+c=180

70+60+c=180

130+c=180

130-130+c=180-130

c=50

That gives us one corner of triangle CBD. We know a second angle is 90 so

50+90+y=180

140+y=180

140-140+y=180-140

y=40

I think that is correct but you are free to check it yourself

6 0
2 years ago
Identify if first number is divisible by the second number, and if so, the reason why.
galina1969 [7]

Answer:

yes b

Step-by-step explanation:

6 0
2 years ago
I need to find the slopes from two points!show work.i don’t know how to do this
salantis [7]

Answer:

4

Step-by-step explanation:

Ok.....Since I can't graph it, we can make a table

x       y

3       9

1        1

From 9 to 1, you subtract 8 (this is for the y section)

From 3 to 1, you subtract 2 (this is for the x section)

Now all you have to do is divide the y with the x

y/x = 8/2 = 4

And 4 will be your slope for these two points.

Hope this helped!

4 0
3 years ago
Read 2 more answers
Twice the sum of -4 and a number is the same as the number decreased by 7/2
White raven [17]

2.(-4 + x) = x - 7/2

-8 + 2x = x - 7/2

2x - x = -7/2 + 8

x = 9/2

3 0
2 years ago
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