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Flura [38]
3 years ago
7

I rlly rlly need this badly, pls show work :(

Mathematics
1 answer:
elena55 [62]3 years ago
6 0
1) 2x + 3y = 12 -> 3y = -2x +12 -> y = -2/3x + 4
2) 4y - 7x = 16 -> 4y = 7x + 16 -> y = 7/4x + 4
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PLEASE HELP i have less than 20 mins left
gulaghasi [49]

3a) Answer: 84 degrees

Step-by-step explanation:

3x + 2(x+20)= 180 (total sum of angles in a triangle is 180 degrees)

5x+40 = 180

5x = 140

x= 28

3x= 28 x 3

   = 84

3 0
2 years ago
Y = 1/2x + 6<br> Y = -2x + 3<br> Y= 1/2x + 3<br> Y= -1/2x + 3
TEA [102]

Answer:

y=-1/2x+3

Step-by-step explanation:

it has a negative slope and it's not that steep which is why the slope isnt 2. also the first one is wrong because the y-intercept is 3

7 0
3 years ago
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Which equation has the same solution as x -12 = 40
bearhunter [10]

Steps to solve:

x - 12 = 40

~Ad 12 to both sides

x = 52

Best of Luck!

4 0
3 years ago
What are the solutions to 3n-1 &gt; 8 or 4n+ 3 ​
Mandarinka [93]

Answer:

n>3

Step-by-step explanation:

Step 1: Add 1 to both sides.

3n−1+1>8+1

3n>9

Step 2: Divide both sides by 3.

3n/3>9/3

n>3

3 0
3 years ago
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The polynomial of degree 3 , P ( x ) , has a root of multiplicity 2 at x = 5 and a root of multiplicity 1 at x = − 4 . The y -in
goblinko [34]

Answer:

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2 years ago
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