What is the mass of a box that weighs 1.4 kilograms? (1,000 grams = 1 kilogram)
2 answers:
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Answer:
B.)
Step-by-step explanation:
A negative and a negative equals a positive. Remove parentheses and simplify
Done.
Answer:
21 feet
Step-by-step explanation:
Given :
Height of the tripod above the ground = 5 ft
Elevation = 8°
Distance of the tree from the tripod = 120 ft
Therefore from the figure, we can find the height of the tress as:
∴ BC ≈ 16
Therefore, CE = BC+BE
= 16 + 5
= 21
Therefore the height of the tree is 21 feet.
