jeffery read that he should drink 8 cups of water a day He has a water bottle that measures water in fluid ounces How many fluid
2 answers:
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Given:
The dotted boundary line passes through the points (-3,-8), (1,-2) and (9,10).
Above line is shaded.
To find:
The inequality for the given graph.
Solution:
Consider any two points on the line. Let the two points are (1,-2) and (9,10). So, the equation of the line is:
Multiply both sides by 2.
Above line is shaded and the boundary line is a dotted line. So, the sign of inequality must be >.
This inequality is not in the equations. So, multiply both sides by -1 and change the inequality sign.
Therefore, the correct option is D.
Answer:
x = 12.6
Step-by-step explanation:
When you have one fraction equated to another one, the means-extremes property allows you to cross multiply, as follows:
can be rewritten as:
a*d = c*b
For this case:
5*x = 7*9
x = 63/5
x = 12.6