The answer is 125,000
Work:
100,000 • 1.25 = 125000
The gradient/slopes of perpendicular lines are NEGATIVE reciprocal. This means that their product is -1.
The result of adding the given equations is 2x+7y=4.
Step-by-step explanation:
Given equations are;
5x-9y=1 Eqn 1
-7x+2y=-5 Eqn 2
Adding Eqn 1 and 2

Arranging alike terms;

Dividing each term by -1

The result of adding the given equations is 2x+7y=4.
Keywords: addition, linear equations
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Answer:
2/5, 8/20, 4/10,16/40
Step-by-step explanation:
40%
Percent means out of 100
40/100 = 4/10 = 2/5
Lets look at the choices
8/100 =4/50 =2/25 not equal
2/5 equal
8/20 = 4/10 =2/5 = equal
4/10 = 2/5 = equal
16/40 = 4/10 = 2/5 equal