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mixas84 [53]
3 years ago
10

Slope for (1,5) (3,4)​

Mathematics
1 answer:
frez [133]3 years ago
8 0

Answer:

-1,2

Step-by-step explanation:

4-5=-1

3-1=2  

y2-y1

x2-x1

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Solve y=3x-7 and 4x+3y=18 by substitution
Schach [20]

Answer:

x = 3

y = 2

Step-by-step explanation:

4x + 3(3x - 7) = 18 <em>Substitute</em><em> </em><em>y</em>

4x + 9x - 21 = 18 <em>Simply</em>

13x - 21 = 18 <em>Add</em><em> </em><em>like</em><em> </em><em>terms</em>

13x = 39 <em>Add</em><em> </em><em>2</em><em>1</em>

x = 3 <em>Divide</em><em> </em><em>by</em><em> </em><em>1</em><em>3</em>

y = 3(3) - 7 <em>Substitute</em><em> </em><em>x</em>

y = 9 - 7 <em>Simply</em>

y = 2 <em>Subtract</em>

Let's check:

4(3) + 3(2) = 18

12 + 6 = 18

18 = 18

It works!

5 0
3 years ago
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Dovator [93]
Nene enensebsbbsehsbsbsbsbdbd.
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3 years ago
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Five,
Effectus [21]

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Step-by-step explanation:

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4 0
3 years ago
X+6=8 what is X?<br> 2X + 2 =4 what is X?
alexgriva [62]
X+6=8 x=2, 2x+2=4 x=1
5 0
3 years ago
10x^3+40x^2+15x<br>------------------------------<br> 5x<br>​
Anna71 [15]

Answer:

Step-by-step explanation:

\dfrac{10x^3 + 40x^2 + 15x}{5x}\\ \dfrac{10x^3}{5x} +\dfrac{40x^2}{5x}+\dfrac{15x}{5x}

2x^2 + 8x + 3 is your final answer.

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3 years ago
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