A car radiator holds 12 liters. How much pure antifreeze, in liters, must be added to a mixture that is 4% antifreeze to make en
1 answer:
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The point-slope form:
- slope
- point
We have the point and the slope
Substitute:
Answer:
The correct option is;
10 m
Step-by-step explanation:
The parameters given are;
Height of the first pole = 20 m
Height of the second pole = 14 m
The angle the wire connected to their top makes with the horizontal = 30°
The vertical height subtended by the inclined wire, h = The difference in height between the two poles = 20 - 14 = 6 m.
Let the horizontal distance between the two poles = D
Therefore;
The horizontal length of the wire = D
From trigonometric ratios, we have;
Which gives;
The correct option is 10 m.
Answer:
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