Maria solved the equation below and got x = –4. Which of the following choices verifies that her solution is correct? 5x + 22 =
2 answers:
Answer and Explanation :
Given : Maria solved the equation below and got x = –4.
To find : Equation verifies that her solution is correct?
Solution :
We have given the equation,
To verify that her solution is correct we substitute x=-4 if LHS=RHS then she is correct.
LHS -
Put x=-4
LHS=2
RHS -
Put x=-4
RHS=2
LHS=RHS
The solution is correct.
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The volume of a pyramid with known base area and height is 1/3 of the volume of a box with those same dimensions. So
Answer:
Her centripetal acceleration during the turn at each end of the track is
Step-by-step explanation:
Total distance covered in one round , D= 400 m
Time taken to cover one round , T = 1 min 40 s = 100 sec
Speed of runner ,
Now centripetal acceleration is given by
where
Thus her centripetal acceleration during the turn at each end of the track is