Find the value of x round the length to the nearest tenth. The diagram is not drawn to scale.
2 answers:
Answer:
Step-by-step explanation:
From the given figure, it can be seen that AD is parallel to BC, therefore using the alternate angles property, we have
∠DAC=∠BCA=10°
Also, the measure of AB is 500m.
Now, using trigonometry, we have
Substituting the given values, we have
Therefore, the value of x is 2890.2 meters.
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Slope intercept form: y = mx + b
When a line is perpendicular to another line, its slope is the negative reciprocal to that slope.
From this information, we already know that the slope of our new line is -1/2, because -1/2 is the negative reciprocal to 2 (which is the slope of the original line).
y = -1/2x + b
Because the point (-5,3) is given, we can simply plug the x and y coordinates into our incomplete equation.
3 = -1/2(-5) + b
3=2.5 + b
b = 0.5
ANSWER: y = -1/2x + 0.5
THE GRAPH IS LINKED; RED LINE IS y=2x-3 AND BLUE LINE IS y=-1/2x + 0.5
