r=(31∑2554.5-(26)×(3045.75))/√([(31)(52)-(26)^2 ][(31)(6091.5)-(3045.75)^2])
-17=x-15
-5=a/18
how to divide decimals?
solve 0.45 divided by 72
14/3.13/6
Consider the function f(x)=x^3. the value of its first derivative at point x=3 numerically with forward finite difference formula ...
solve 0.45 times 72
-16+x=-15
solve 0.45 x k=72
