PLS HELPPP !The answer is D.can anyone explain why?
1 answer:
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<h3><u>Answer:- </u></h3>
The unit of mass is kg and unit of Volume is m³ . Since density is division of mass by volume , the corresponding units will also get divided and unit of density would come out to be kg/m³
<u>Some basic </u><u>derived </u><u>Units :- </u>
- area => m²
- volume cubic meter => m3
- speed meter per second => m/s
- acceleration => m/s²
- mass density meter => kg/m3
- specific volume cubic meter per kilogram m³/kg
Draw a diagram representing the real number line, and the sets A and B.
According to the diagram:
<span>1. A∪B= [-7, 5)
2. </span><span>2. A∩B∩C= (-1, 0)
</span>3. A∩(B∪C)= [-7, 1] <span>∩ (-INFINITY, 5) = [-7, 1]
4. </span>4. A^c ∪ B^c∪ C^c= (not A) ∪ (not B) ∪ (not C) =
(-infinity, -7) ∪ (1, infinity) ∪ (-infinity, -1] ∪ [5, infinity) ∪ [0, infinity)
= (-infinity, -1] ∪ (1, infinity ) ∪ [0, infinity) = (-infinity, -1] ∪ [0, infinity)
5. (C−A)∪(B−C)= "in C but not in A" union "in B but not in C"
=(-infinity, -7) ∪ [0, 5)
According to the diagram:
<span>1. A∪B= [-7, 5)
2. </span><span>2. A∩B∩C= (-1, 0)
</span>3. A∩(B∪C)= [-7, 1] <span>∩ (-INFINITY, 5) = [-7, 1]
4. </span>4. A^c ∪ B^c∪ C^c= (not A) ∪ (not B) ∪ (not C) =
(-infinity, -7) ∪ (1, infinity) ∪ (-infinity, -1] ∪ [5, infinity) ∪ [0, infinity)
= (-infinity, -1] ∪ (1, infinity ) ∪ [0, infinity) = (-infinity, -1] ∪ [0, infinity)
5. (C−A)∪(B−C)= "in C but not in A" union "in B but not in C"
=(-infinity, -7) ∪ [0, 5)