exam
Maths Puzzle
Numerical Ability
How do i solve y=0.5x+2 and -y=-2x+4 by systems of substitution?
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exam Other Question
A clothing manufacturer has some pure silk thread and some thread that is 85% silk. How many kilograms of each must be woven together to make 75kg. of a blend that is 96% silk?
Pr=1.4pm*3.14d^2/4
Pe=3.14^2/2*EJ/L^2
J=3.14d^4/64
If pm=4, E=2.07*10^5 and L=10 find the value of "d" so that:
Pe=2Pr