How to solve -9 2/7 - (-10 3/7)

1 answer:

7 0

Step by step solution :Step 1 : 103 Simplify ——— 7 Equation at the end of step 1 : 92 103 (0 - ——) - (0 - ———) 7 7 Step 2 : 92 Simplify —— 7 Equation at the end of step 2 : 92 -103 (0 - ——) - ———— 7 7 Step 3 :Adding fractions which have a common denominator :

3.1 Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

-92 - (-103) 11 ———————————— = —— 7 7 Final result : 11 —— = 1.57143

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fenix001 [56]

Answer:

Given

Equation 5x - y = 12

and

Inequality 5x - y > 12

See the graphs attached

To draw the graphs follow the rules we described in the previous questions.

1. Identify x-intercept and y-intercept and connect them to have the line.
2. Shade the region above or below the line for the inequality.

We see the only difference the expressions have is the equation or inequality symbols.

Equation symbol means the graph of the equation is a line.
Inequality symbol means the graph of this is a region above the same line, in our case the line is not a part of the covered region because it is "<".

We can state that the inequality excludes the line and includes only the region above the same line.