Mathematics, 13.05.2021 01:00 lele4343
A contractor needs to repair a sign on a building, At a distance away from
the base of the building, he estimates that the angle of elevation to the sign
is 50°. He then moves 30 m closer to the base of the building and estimates
the angle of elevation to be 60°. How high above the ground is the sign?​
Answers: 3
Mathematics, 21.06.2019 14:00
Solve |2x - 5| = 4 if anyone could , that would be great
Answers: 1
Mathematics, 22.06.2019 00:00
The equation of line wx is y=2x-5. write an equation of a line perpendicular to line wx in slopeintercept form the contains points (-1,-2)
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Mathematics, 22.06.2019 00:00
Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.
Answers: 2
A contractor needs to repair a sign on a building, At a distance away from
the base of the building...
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