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tekilochka [14]
3 years ago
12

Which of the following could be the first steps toward solving the system,4x+y=30, -12x+2y=20

Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0
B is the correct statement to start with. It will eliminates y.
Crank3 years ago
7 0
          hello hers is a solution :                         

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I need help on everything
zvonat [6]
B is 12
c is 6 because you don't count the zero
3 0
3 years ago
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The price of an item increased from 20 to 30. The percentage of increase is pls help me I have exam after a week pls I hope you
Veronika [31]

Answer: 50% increase

Step-by-step explanation:

Think of 20 as 100%

Half of 20 is 10 which is 50% in this scenario.

30-20=10

This means that the price of the item increased by 50% or 10.

6 0
3 years ago
4/5 is equivalent to 12 over what
san4es73 [151]

Step-by-step explanation:

4/5 is equivalent to 12/15

8 0
3 years ago
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Complete the slope-intercept form of the linear equation that represents the relationship in the table.
nevsk [136]

According to the given table, the slope-intercept equation of the line is given by:

y = -2x + 1

The equation of a line, in <em>slope-intercept</em> form, is given by:

y = mx + b

In which:

  • The slope is m.
  • The intercept is b.

In this problem, we are given two points, (3,-5) and (-2,5).

  • The slope is given by <u>change in y divided by change in x</u>, hence:

m = \frac{5 - (-5)}{-2 - 3} = -2

Hence:

y = -2x + b

Point (3,-5) means that when x = 3, y = -5, which is used to find b.

y = -2x + b

-5 = -2(3) + b

b = 1

Hence, the equation of the line is:

y = -2x + 1

A similar problem is given at brainly.com/question/24685547

6 0
2 years ago
Point M lies between points L and N on .
never [62]

Answer: The answer is d. 64 units

6 0
3 years ago
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