WHAT IS THE SLOPE PLEASE??
2 answers:
Answer: -1/2
Step-by-step explanation: In algebra, we use the word <em>slope</em> to describe how steep a line is and slope can be found using the ratio rise/run between any 2 points that are on that line.
So for the line you see here, I have labeled 2 distinct points. One of the points crosses the x-axis and one of them crosses the y-axis. let's use the points A and B to find its slope.
To get from point A to point B, we must first go down 2 units so our rise is -2 and our run is 4 units. So our slope or <em>rise/run</em> is -2/4.
As a last step to these problems, make sure you have reduced your slope as much as possible and notice that -2/4 can be reduced to -1/2.
The variable that's used to represent slope is <em>m</em>.
So we can say that m = -1/2.
2 images are attached.
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The correct statement comparing the theoretical and experimental probabilities is given as follows:
.
A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
The theoretical probability is taken before any experiment. Since the four sections are equal, the theoretical probability is:
T(H) = 1/4.
The experimental probability is taken considering previous experiments. Out of 100 tosses, 28 landed on H, hence:
E(H) = 28/100 = 7/25.
Hence the correct statement is:
.
More can be learned about probabilities at brainly.com/question/14398287
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Answer: 95.45 %
Step-by-step explanation:
Given : The distribution is bell shaped , then the distribution must be normal distribution.
Mean :
Standard deviation :
The formula to calculate the z-score :-
For x = 13
For x = 19
The p-value =
In percent,
Hence, the percentage of data lie between 13 and 19 = 95.45 %