Jill added 450+790+123 and 1163 .is this sum reasonable? Explain.
2 answers:
Answer:
The sum given is not reasonable.
Step-by-step explanation:
Given : Jill added 450+790+123 and 1163.
To find : Is this sum reasonable? Explain.
Solution :
To find the correct result we have to add them step by step,
4 5 0
7 9 0
+1 2 3
-----------
13 6 3
So,
The sum given is not reasonable.
Therefore, The given sum is not correct.
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Answer: (b) exactly one plane contains a given line and a point not on the line.
Step-by-step explanation: The basic postulates of geometry are very-well known to all of us. For example-
(i) The intersection of two lines determines a point,
(ii) Two parallel lines give result to a plane,
(iii) A line and a point not on the line determines a plane, etc...
Thus, with the help of the third point, we can easily arrive at the conclusion that a given line and a point not lying on the line is contained in a plane. For example- see the attached figure, AB is a line and P is any point not on the line. They both contained in the plane ABC.
Hence, the correct option is (b).
