Mathematics, 23.03.2021 01:00 sylvia47
8. A searchlight is mounted at the front of a helicopter flying 125 m
1 above ground. The angle of depression of the light beam is 70°.
An observer on the ground notices that the beam of light measures 5º.
How wide, to the nearest metre, is d, the spot on the ground?
Answers: 2
Mathematics, 21.06.2019 19:00
What are the first 4 terms in the multiplication pattern given by the formula 2×4n
Answers: 1
Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Mathematics, 21.06.2019 21:30
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?
Answers: 1
8. A searchlight is mounted at the front of a helicopter flying 125 m
1 above ground. The angle of...
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