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vodka [1.7K]
3 years ago
10

What’s the solution?

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0

4x - 4y = -4

- (4x + y = 16)

___________

5y = -20

Now on solving the equation we have:

= 5y = -20

= y = -20/5

= y = -4

If y = -4 then,

= 4x + y = 16

= 4x + (-4) = 16

= 4x = 16 + 4

= x = 20/4

= x = 5

Thus, x = 5, y = -4

You might be interested in
5. Find the value of x so that lines s and t are parallel.<br> (7x - 20)°<br> (4x + 16)
Thepotemich [5.8K]

The value of x so that lines s and t are parallel is 12

<h3 /><h3>How to find angles involving parallel lines?</h3>

The angle are alternate exterior angles.

Therefore, alternate exterior angle theorem states that when two parallel lines are intersected by a transversal, then the exterior angles formed on either side of the transversal are equal.

Hence,

7x - 20 = 4x + 16

7x - 4x= 16 + 20

3x = 36

x = 36 / 3

x = 12

Therefore, the value of x is 12.  

learn more on parallel lines here: brainly.com/question/4427808

#SPJ1

8 0
2 years ago
Which is the better buy, 7 pounds for $8.47 or 9 pounds for $11.07?
wel
Let us take the case of 7 pounds for $8.47 first.
7 pounds of a product costs = 8.47 dollars
Then
1 pound of the same product will cost = (8.47/7) dollars
                                                             = 1.21 dollars
Now let us take the case of 9 pounds for $11.07
9 pounds of a product costs = 11.07 dollars
Then
1 pound of the same product will cost = (11.07/9) pounds
                                                             = 1.23 dollars
So from the above deductions we can see that 9 pounds for $11.07 is a better buy than 7 pounds for $8.47. I hope the procedure is clear enough for you to understand. In future you can use this method for solving similar problems.
7 0
3 years ago
Read 2 more answers
What fraction of energy is got after eating 1 packet of maggi
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Answer:

carbohydrates :57.7

fat:18.7

fibre 6.8

6 0
3 years ago
When the same probability is assigned to each outcome of a sample space, the experiment is said to have _______ ________ outcome
zhuklara [117]

Answer:

Equally likely

Step-by-step explanation:

Hope this is right!

8 0
3 years ago
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Taylor sorts 6 shapes in two groups based on attributes
lesya [120]
Irregular hexagons (Meaning 6 sides, irregular is optional) and quadrilaterals.
5 0
4 years ago
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