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Julli [10]
2 years ago
7

Write the following set in roster method:

Mathematics
1 answer:
ollegr [7]2 years ago
3 0

Answer:

the great

Step-by-step explanation:

usa united states

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What is an equation of the line that passes through the point (-7, -6) and is parallel to the line x-y=7?
Alex_Xolod [135]

Answer:

Step-by-step explanation:

For two lines to be parallel their slopes must be equal. For two lines to be perpendicular their slopes must be the negative reciprocal of each other.

Step 1 Find the slope of the equation.

Put it into the slope-intercept form. y = mx + b.  

For x-y = 7, move the x to the left; therefore subtract the x from both sides. this leaves you  -y = -x + 7

Then, divide both sides by -1 to get a positive y.  -y/-1 = (-x + 7)/-1

This leaves y = x - 7  The slope(m) for this equation is m = 1

The other equation must also have a slope of 1 or m=1 for the lines to be parallel.

Use the point given to you (-7, -6) and substitute for (x, y)

The slope-intercept form y = mx + b can once again be used.

x = -7, y =-6, and slope or m = 1

Therefore,  y = mx + b substituted will be -6 = (1)(-7) + b; now, solve for b which is the y intercept

-6 = -7 + b add 7 to both sides -6 +7 = -7 + b +7 ; therefore, b = 1

Now you know the slope(m) which is equal to 1 and the y-intercept(b) which is equal to 1.

Finally, substitute the m and b in the slope-intercept form

            y = (1)x + 1 or y = x +1

5 0
2 years ago
Cost of article = $455 Percentage of markup (on cost) = 28%
SpyIntel [72]
The cost would be $582.40!

I hope this helped! Mark me Brainliest! :) -Raven❤️
5 0
3 years ago
Complete the inequality for this graph.<br> y ≤ [?]
Eduardwww [97]

y< 3

3 is the correct answer.

8 0
3 years ago
Read 2 more answers
How can you determine whether a given number makes an equation true?​
EastWind [94]

Answer:

By plotting in the number in the equation (aka where all the x’s are variables are) and seeing if it works.

Step-by-step explanation:

For example, let’s use the problem:

3x + 4 = 16

if the given number is 4, we fill it in for x-

3 (4) + 4= 16

solve to see if true:

12 + 4 = 16

16 = 16

hence, the given number 4 makes the equation true!

hopes this helps, have a great day :)

3 0
2 years ago
Convert 6 7/20<br> into a decimal
Veseljchak [2.6K]

Answer:

6.35

Explanation:

7 divided by 20 is 0.35+6= 6.35

4 0
3 years ago
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