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Ne4ueva [31]
3 years ago
9

What are the steps to solving systems of equations and inequalities

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
7 0

Step 1: Line up the equations so that the variables are lined up vertically.

Step 2:  Choose the easiest variable to eliminate and multiply both equations by different numbers so that the coefficients of that variable are the same.

Step 3:  Subtract the two equations.

Step 4:  Solve the one variable system.

Step 5:  Put that value back into either equation to find the other equation.

Step 6:  Reread the question and plug your answers back in to check.

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1,478 people went to the movies on Saturday, and 956 people went to the movies on
wlad13 [49]

The percent decrease in people going to the movies from Saturday to Sunday is 35.3%

Step-by-step explanation:

The percent decrease is given by the formula:

Percent\ decrease = \frac{Decrease}{Old\ Value}*100\\where \\Decrease = Old\ value -New\ value\\

Given

New Value = 956

Old Value = 1478

Decrease = 1478-956

= 522

Percent\ decrease= \frac{522}{1478}*100\\=0.353*100\\=35.3\%

The percent decrease in people going to the movies from Saturday to Sunday is 35.3%

Keywords: Percentage

Learn more about percentage at:

  • brainly.com/question/10879401
  • brainly.com/question/10940255

#LearnwithBrainly

7 0
3 years ago
Can sum1 give me the right answer pls like seriously
Makovka662 [10]
The person above me is incorrect.
ANSWER: -77 5/8
6 0
3 years ago
Does anyone know and can please help me , I’ll mark brainlist;)
nevsk [136]

Answer:

B

Step-by-step explanation:

order is ADBC

4 0
3 years ago
Read 2 more answers
Simplify the polynomial expression: (4x + 10x^2 - 3x + 15) + (-2x + x -2)
dybincka [34]

Step-by-step explanation:

(4x+10²-3x+15) + (-2x+x-2)

(4x+100-3x+15) +(-x-2)

x+115-x-2

113

6 0
3 years ago
Find the axis of symmetry for f(x)=-3x^2+5x-6
Andreyy89

Answer:

x= -5/6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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