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myrzilka [38]
3 years ago
8

What is the solution to this system? Y=-5x+8,y=11/7x-4/7

Mathematics
1 answer:
Sveta_85 [38]3 years ago
4 0

Answer:

Step-by-step explanation:

hello : the system is : y =-5x+8...(*)

                                  y =11/7x-4/7 ...(**)  

by (*) and (**) : 11/7x-4/7 = -5x+8

multiply by 7 : 11x-4 = -35x+56

11x+35x = 56+4

46x = 60

x = 60/46 = 30/23

continu.....put the value for x in (*) or (**)

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Answer:

d > -9

Step-by-step explanation:

-\dfrac{1}{4}(d + 1) < 2

First, multiply both sides by -4. You must also change the inequality sign since you are multiplying both sides by a negative number.

-4 \times \left(-\dfrac{1}{4}\right)(d + 1) > 2 \times (-4)

d + 1 > -8

Subtract 1 from both sides.

d + 1 - 1 > -8 - 1

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3 years ago
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Answer:

x= -1

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Step-by-step explanation:

The image of the answer is attached below.

In the given image two lines are parallel with transversal.

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Vertically opposite angles are equal.

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(9x + 12)° + 3x° = 180°

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Sum of the adjacent angles in a line are supplementary.

3x° + (4y – 10)° = 180°

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