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Feliz [49]
3 years ago
11

Graph this line using the slope and y-intercept: y = 1/9x + 4​

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0
If you don’t know how to graph slope intercept equations here’s a simple step by step way.

Tiny explanation for step 1:

In y= 1/9x + 4 (y= mx+b) the 4 (b) is the y-intercept. In y= 1/9x + 4 (y= mx+b) the 1/9 (m) is the slope.

1. So go to (0,0) and go 4 units up and circle the point (0,4) which is going to be your lines y-intercept. (the vertical line in a graph is the y-axis, all y-intercepts are on this axis.)

Quick explanation for step 2: Once you have this point (0,4) your going to now use the slope of the equation (which is 1/9). Slopes are in rise over run formate or in more simplistic terms the top number (this only works with fractions) is how many spaces you go up and the bottom is how many spaces you go to the right (this is a positive slope so I won’t explain for negatives).

2. At point (0,4) your y-intercept go 1 unit up and 9 units to the right. Continue this with the new point u made if room (draw an arrow at the end). Then go back to (0,4) and do the other side of the line. This time go down 1 unit and left 9 units from (0,4) your y-intercept.

Hope this was at least somewhat helpful and not completely confusing!
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The heights of students in a class are normally distributed with mean 55 inches and standard deviation 5 inches. Use the Empiric
maks197457 [2]

Answer:  c)[50,60]

Step-by-step explanation:

The Empirical rule says that , About 68% of the population lies with the one standard deviation from the mean (For normally distribution).

We are given that , The heights of students in a class are normally distributed with mean 55 inches and standard deviation 5 inches.

Then by Empirical rule, about 68% of the heights of students lies between one standard deviation from mean.

i.e. about 68% of the heights of students lies between \text{Mean}\pm\text{Standard deviation}

i.e. about 68% of the heights of students lies between 55\pm5

Here, 55\pm5=(55-5, 55+5)=(50,60)

i.e.  The required interval that contains the middle 68% of the heights. = [50,60]

Hence, the correct answer is c) (50,60)

4 0
3 years ago
I still don't understand how to solve those kind of Geometry thing so please explain and show your work.
dybincka [34]
Alternate means they are on opposite sides of the transversal... 
Same side means they are on the same side of the transversal..
interior mean they are inside the parallel lines
exterior means they are on the outside of parallel lines.

If you have two parallel lines cut by a transversal there you know that the angles are either going to be supplementary or they are going to be congruent. Those are your only two choices.  Now you just have to decide which is which.

FEG and CBE are indeed supplementary but they don't have a relationship
CBE and DEB are same side interior angles because they are on the same side of the transversal and inside the parallel lines
Answer C is exactly what I said above, they just label B wrong to trick you
FEG and DEB are vertical angles because they are formed by the intersection of two lines and are non adjacent

So answer C would be correct
3 0
3 years ago
What are the dimensions of the matrix shown below?
statuscvo [17]
B. Bc rows are horizontal while columns are vertical.
5 0
3 years ago
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If you put $603 in a savings account that pays 9% for one year what is the amount of money you will have at the end of the one y
Juliette [100K]

603*.09=54.27 so add 603+54.27= 657.27

5 0
3 years ago
A line passes through the points (-1, 4) and (2, -2). What is the equation of this line?
Deffense [45]

Y=2x-2
I have done this in my head on the spot so I would test it on a graph .
4 0
4 years ago
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