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Viefleur [7K]
2 years ago
10

What is the slope of the line that lies between the points (0, -1) and (-1,2)?

Mathematics
1 answer:
Shkiper50 [21]2 years ago
3 0

Answer:

m=-3

Step-by-step explanation:

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Answer any of the following:
Volgvan
<span>1. Solve the system by substitution -2x+y=-11, 3x-4y=11. 
</span>-2x+y=-11<span>
y = 2x-11

</span><span>3x-4y=11
</span>3x-4(2x-11)=11
3x -8x + 44 = 11
-5x = -33
<span>x =33/5
y = 11/5

</span><span>2. Solve the system using elimination- 2x+6y=-12, 5x-5y=10. 
</span><span>(-2x+6y=-12)5
</span>-10x + 30y = -60

<span>(5x-5y=10)2
</span>10x - 10y = 20

Adding the two equations,
<span>-10x + 30y = -60
</span><span>10x - 10y = 20
</span>
20y = -40
y = -2
x = 0

<span>3. What is the solution of the following system?-3x-2y=-12, 9x+6y=-9. 
</span><span>-3x-2y=-12
</span>y = -3/2 x + 6

<span>9x+6y=-9
</span>y = -3/2 x - 3/2

Since the slopes are equal then they are parallel lines so they never meet at one point.

4 0
3 years ago
Which recursive formula can be used to represent the sequence<br> 2,5, 8, 11, 14, ... ?
Serga [27]

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3 0
3 years ago
A textbook is opened and the product of the page numbers of the pages is 6162. What are the numbers of the pages?
ss7ja [257]

Answer:

The two page numbers are 78 and 79.

Step-by-step explanation:

Let's take the page numbers are x and x + 1 .

The produce of the page numbers is 6162

so, x(x + 1) = 6162

x^{2} + x -6162 = 0

Here we have to use the quadratic formula to solve for x.

The quadratic formula, x = \frac{-b +/- \sqrt{b^2 - 4ac} }{2a}

Here a =1, b = 1 and c = -6162

Plugging in the value of a, b and c in the above formula, we get

x = [-1 ± 157] ÷ 2

Let's take the positive value alone since the page number cannot be negative.

x = [-1 + 157] ÷2

x = 78

The next page number x + 1 = 78 + 1 = 79

Therefore,  the two page numbers are 78 and 79.

6 0
3 years ago
Answer question 2 and 3 plz I need help on this
trasher [3.6K]
The answer to this question is zero
7 0
3 years ago
Read 2 more answers
Find the value of x in each case:
kotykmax [81]

9514 1404 393

Answer:

  x = 14°

Step-by-step explanation:

The triangle's interior angle at C is the supplement of the exterior angle marked 124°.

  C = 180° -124° = 56°

The exterior angle at B is the sum of the remote interior angles:

  6x = 56° +2x

  4x = 56° . . . . . . subtract 2x

  x = 14° . . . . . . . . divide by 4

6 0
2 years ago
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