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rodikova [14]
3 years ago
12

Y=x+2;x=-3 solve each system by graphing step by step

Mathematics
2 answers:
ira [324]3 years ago
7 0
I will solve for you right now.
rusak2 [61]3 years ago
3 0
To graph a line, you need to use the equation y=mx+b
y=x+2
go to the positive number 2 on the y-axis and plot a point
now, since its postive, your line is gonna go like this:
            p
          p 
       p
     p
   p   
p
so go up one, and to the right one from the 2 on the y-axis
and then go down one, to the left one from the 2 on the y-axis
connect the dots and this is your first line

now for the second line, go to the -3 on the x-axis and draw a vertical line up and down
this is your second line
now find where the two lines interesect and that is your answer

it'll be a point and look something like this if you write it out (x,y)
take the two points out nd write your answer in this form: x=a, y=b

tah dah!
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Increase 48m by 20%? Help Please I'm Useless At Math<3
matrenka [14]
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We need to increase it by 20%.
That means we have 48 and then we increase it by 20%.

That can be expressed as:
48 + (48 * 20%)

Now, another way to write that would be:

48 * 120%

Now, 120% is nothing but 120/100. This can even be simplified to 1.2.

48 * 120%
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48m increased by 20% is 57.6m.
6 0
2 years ago
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What is y+2=⅞(x-3) in standard form?
Veseljchak [2.6K]

Answer:

7x - 8y = 37

Explanation:

y+2 = ⅞(x-3) (distribute ⅞ -- x times 7/8, -3 times 7/8)

y+2 = ⅞x - 21/8 (subtract ⅞x from both sides)

y+2-⅞x = -21/8 (subtract 2 from both sides)

y-⅞x = -37/8 <--- result of -21/8 - 2

Multiply both sides by 8 to get ride of fractions

8y - 7x = -37 (rearrange)

-7x + 8y = -37

It's better to have a positive coefficient for x if you can.  So multiply both sides by -1.  That just means changing the sign of every term on both sides, you get

7x - 8y = 37

8 0
3 years ago
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A system of equations is shown below. y = x 2+ 2x + 8 y = – 4x What is the smallest value of y in the solution set of the system
Leto [7]

Answer:

I think 2+-1x+9y

Step-by-step explanation:

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Delicious77 [7]

Answer:

C

Step-by-step explanation:

the numbers between 0.08 and 0.4 are:

0.09, 0.10, 0.11, 0.12, 0.13, 0.14, 0.15, .16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.30, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39

I bolded the number closest to your answer choices, hope this helps!

3 0
2 years ago
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antiseptic1488 [7]

Answer:

the correct answer is 0.2

Step-by-step explanation:

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