Discrete Mathematics
What is the answer to the question If 5n+6 is odd then n is odd
using the contraposition/contrapositive.
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Unanswered Posts
MATHS
PLS HELP TO SOLVE THIS
a=(17+5sinx+12cosx) / (17+5sinx-12cosx) = b
THEN a and b are equal to
OPTIONS ARE
1. 2/15 and 2
2. 2 and 2/15
3. 2/15 and 15/2
4. -1 and 1
PLS GIVE EXPLANATION
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Dynamics
Hi! Pahelp please? Anyone who has a good heart huhuhu. I badly need your help. Anyone who can answer this? I mean with the process.
The collar has a mass of 3kg and is supported on the rod having a coefficient of kinetic friction Uk=0.4. The attached spring has an unstretched length of 0.2m and stiffness k=50N/m. Determine the speed of the collar after the applied force F=200N causes it to be displaced s=1.5m from pt. A. When s=0 the collar is held at rest?
What is the process?
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truss: simply supported right-angle triangle truss
A simple supported right-angle triangle truss of 1/2( 5 x 12 ) meter square, is subjected with 50KN and 25KN at the mid-span and top end of the truss respectively. The truss is having two internal members one acting horizontal at the mid-span and the other acting diagonal from support A to joint at a point on the slanted side of right angle triangle.
Taking into account that the pined support is on the right and the roller on the left.
You are required to check the determinant and compute the reactions of this truss.
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Net Present Worth analysis
How do you calculate NPV for a model with single payment compound amount scenario.
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thermo
A spherical container of negligible thickness holding a hot fluid at 1400
and having
an outer diameter of 0.4 m is insulated with three layers of each 50 mm thick
insulation of k1 = 0.02: k2 = 0.06 and k3 = 0.16 W/mK. (Starting from inside). The
outside surface temperature is 300C. Determine (i) the heat loss, and (ii) Interface
temperatures of insulating layers.
need explaination plss..
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At what angle with the direction of motion of the ship must the gun be pointed in order to hit the target?
paano po sagutan to?
A ship is traveling at a speed of 20 knots. (A knot is a nautical mile per hour, a nautical mile being approximately 1.1516 statute mile of 5280 feet each.) When directly opposite a target it fires a gun whose projectile has a velocity of 2000 feet a second. At what angle with the direction of motion of the ship must the gun be pointed in order to hit the target?
could it be solvable?
Help me for the solution of this problem:
What should be the maximum dimensions of a rectangular open box of a given volume V?
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Reference Books for "Strength of Materials" or "Mechanics of Materials"
What reference books used by this site? I know that it's Singer, right, but what edition? Thanks. Your reply is highly appreciated.
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