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Maths Puzzle
Numerical Ability
Roz is twice as old as Grace. In 5 years the sum of their ages will be 28. How old are they now?
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The year y when sales were s million dollars for a particular electronics company can be modeled by the radical equation
y=1.3√s -4 -7
where y = 1 represents 2001, an
my question is:
find the coordinates of the midpoint of the line segment with endpoints (-3,6) amd (-1,9).
when i did this problem i got (-2,-3/2) is that right?
thanks for the help!