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faltersainse [42]
3 years ago
6

Write an equation for line M please and thank you!!!

Mathematics
2 answers:
Nikolay [14]3 years ago
5 0

Answer:

y = -2x + 4

Step-by-step explanation:

First, find the slope by doing rise over run. I did this between the points (0, 4) and (2,0) This gives you -4/2 = -2.

Then, find the y-intercept, which is where the line goes through the y axis. This is at y = 4.

So, the equation is y = -2x + 4.

Bess [88]3 years ago
3 0

Answer:

y = -2x + 4

Step-by-step explanation:

Lets write the equation of the line in slope-intercept form. We need to find two things:

1) the y-intercept. When can find this by simply finding what y is equal to when x is 0. Taking a quick look, we can find that it is 4

2) the slope. To find the slope, we simply take the rate of change, or rise over run. Taking the section where x is between 0 and 2, we have, 4/2 = 2.

However, the line is moving downwards, so its a negative slope. This means the actual slope is -2.

Finally, slope-intercept form tells us that the line is y = mx + b, where m is the slope, and b is the y-intercept.

Therefore, the answer is:

y = -2x + 4

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The sum of the digits of a three-place number is 19. If the tens and units digits are interchange the number is diminished by 27
BigorU [14]
I cant really help you out with the last part since setting up the sum of three digits with two variable complicates things but here is the calculation and answer as follows:

let the number be a be represented as xyz (where x is the hundredth digit, y is the tenth digit and z is the one digit)

which means a = 100x+10y+z (equation 1)
if you add the three digits x+y+z = 19 (equation 2)

if you switch positions of the tenth digit and one digit then
a-27 = 100x + 10z +y (equation 3) (number diminish by 27 hence why a -27)

if you switch the position of the hundredth and tenth digit then
a+180 = 100y + 10x + z (equation 4) (number increases by 180)

if you use equation 1, 2, 3, and 4 and solve for x, y and z which gives you a then the number is 685.

Sorry for the long explanation but this was the first approach that came to mind might be more simpler ones and also one that helps you set up the sum of three digits with only 2 variables.
7 0
4 years ago
Maria and Ming start at the same point and drive in opposite directions. Maria drives 32 mph and Ming drives 36 mph. How far apa
Sveta_85 [38]
I BELIEVE it would be B.
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4 years ago
Evaluate the expression if y=6 : 30 - 24 ÷ y
leonid [27]

Answer:

The answer is 1

Step-by-step explanation:

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5 0
3 years ago
What’s the correct answer
Lisa [10]
A would be your answer I believe
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Which expressions of signed decimal numbers have negative quotients? Check all that apply.
dybincka [34]
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So
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Are the ones with negative quotients
7 0
3 years ago
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