math
bob is making a design that is 5 inches by 8 inches.how many 1 inch square tiles dose he need to fill the area of the design?
Geography
Natural resources not found in Arizona.
4th grade
Why do you think Hopi indians may not have wanted to be converted to Christianity?
math
y varies inversely as x square.The difference in the values of y when x=1 and x=2is.find the relation between x and y.(plz help me,am not sure abt the answer,i got y=20/x square..plz..help me) What is the difference in the values of y when x=1 and x=2?
math
how to define arc cosine(cosine x) for -360 deg<x< 360 deg?? a proper conceptual approach to the solution will be appretiated.. The function Cos(x) is equal to 1 at x = 0 and it decreases as a function of x until x = pi (=180 degrees). There the cosine is minus one. So, ...
Muscular Energy
human beings and animals need energy to do work.they use the energy of their muscles to do different types of work.this is called muscular energy.they get energy from the food they eat. food is,therefore,the sources of energy for manual work.
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