Well, the general form for point-slope form is y-ysub1= m(x-xsub1). In the general form, ysub1 stands for the y-coordinate and xsub1 stands for the x-coordinate, and m stands for the slope. When writing in point-slope form, we need the slop and one ordered pair.
The equation has already given us two ordered pairs but it doesn't give us the slope. We just need to find the slope between these two points, which is 3/1, or just 3. Then we pick one of the ordered pair they gave us and plug in the general form.
I'll go with the first ordered pair, (2,1). The y and the x in the equation, don't plug them in, leave them as it is, we only need to plug in the slope and the two coordinates. So we get y-1=3(x-2).
I'll only do the first ordered pain for you, and you should be able to do the second one.
Answer:
yes
Step-by-step explanation:
because 7 is equal to 3 so the answer is correct
Answer:
C.
Explanation:
The point we are looking for is -15 1/4
Let's look at the first option; A. A would not be the right answer due to the fact that the dot on the number line is between -14 and -15. The number -15 1/4 is greater than (or I suppose "less than" considering we're in the negatives) -15. This is not the right answer.
Check out B. The dot is located somewhere between -15 and -16, where our number -15 1/4 is located. However, -15 1/4 should be located closer to the -15 than the -16 in this case. The dot located here is somewhere more around -15 3/4. Again, not what we're looking for.
Let's check out C. The dot is somewhere between -15 and -16 on the number line. This is encouraging. The dot is also located before the half-way mark between these two numbers. 1/4 is less than 1/2. Since this dot is located between the two desired numbers, AND is centered somewhere between -15 and -15 1/2, I think we can say with confidence that C is the correct answer.
Answer:
<u>Question 1: </u>
1. It is 95% certain that the true mean lies in the interval 16-36 years.
- Based on this sample, we are 95% confident that we captured the true mean in our sample. Not sure why the interval is wrong, though--it should be between 21-31 years (26 - 5, 26 + 5).
<u>Question 2: </u>
3. We are 95% confident that the true mean lies somewhere within 168-208 ng/ml.
- Again, the boundaries are wrong. THey should be between 178 and 198 ng/mL, but the rest of the sentence is correct.
<u>Question 3: </u>
2. Measures how far the sample mean is likely to be from the population mean
1. Can be calculated using the standard deviation of the population and the size of the sample
- The standard error is an approximation of the standard deviation that we use when we're not sure of the stdev or all the data values. Its purpose is to figure out how far the means were from each other, and approximate how far off our results were.
Answer:
Hmmm I think it would 108 I think I’m sorry if it wrong ;^;
Step-by-step explanation: