Factor x2−3x−10x2−3x−10=(x+2)(x−5) Answer: (x+2)(x−5)
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Answer:
Andrew takes a test for the disease that has an accuracy rate of 75%. What is the probability that Andrew has heart disease and the test accurately predicts it? The two events are independent, so you need to find the product of their probabilities: 0.9 × 0.75 = 0.675.
Answer:
x=-1, x= 1
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
See attachment for illustration
Required
Determine the horizontal distance
The horizontal distance is the distance between the technician and the base of the pole.
Represent this with x.
The relationship between x, 175ft and 25 degrees is represented as:
--- i.e. tan formula
Multiply both sides by x


Make x the subject



--- approximated
<em>The distance is approximately 375.3ft</em>
The answer is B. 2.5+(-1.5)=1.0