math
V = 103Ft/s[34o] + 22Ft./s[0o]. Xo = 103*cos34 + 22*cos0 = 107.4 Ft/s. Yo = 103*sin34 + 22*sin(00 = 57.6 Ft/s. tan A = Y/X = 57.6/107.4 = 0.53628 A = 28.2o. V = Xo/cosA = 107.4/cos28.2 = 121.6 Ft/s.[28.2o] Y^2 = Yo^2 + 2g*h hmax = ho + (Y^2-Yo^2)/2g hmax = 3 + (0-(57.6)^2)/-64...
math
X Ones. (X+2) Tens. (X-5) Hundreds. X + (X+2) + (X-5) = 18 3x + 2 - 5 = 18 3x = 21 X = 7 Ones. X+2 = 9 Tens. X-5 = 2 Hundreds. N = 297.
Math
P1 = = 80*$0.90 - $17.50 = $54.50 P2 = 98*$0.80 - $17.50 = $60.90 Increase = P2-P1 = 60.90-54.50 = $6.40 Increase = (6.40/54.50)*100% = 11.7%.
Math
The apothem(altitude) bisects the base, AC. tanA = h/3 tan60 = h/3 h = 3*tan60 = 5.2 = Ht. = Alt.= Apothem.
physics
R = r = 3 Ohms.
Math
Compounded Annually: P = Po(1+r)^n. n = 1Comp/yr * 1yr = 1. P = 800(1.038)^1 = $830.40 Simple Int. P = P + Po*r*t = 800 + 800*0.038*1= $830.40.
science physics
Speed=d/t=(500+200)/(120+10+60)=3.68m/s.
physics
a=(V-Vo)/t=(46.22-40.89)/0.002=2665m/s^2 F = m*a = 0.15 * 2665 = 399.75 N.
Math
X Dimes. X Quarters. 4X Nickels. 5*4x + 10x = 25x + 50 30x = 25x+50 5x = 50 X = 10 Dimes. X = 10 Quarters. 4X = 40 Nickels.
Physics
Wb = 2.8kg * 9.8N/kg = 27.44 N. = Wt. of block. Fb = 27.44N.[56.6o] = Force of block. Fp = 27.44Sin56.6 = 22.91 N. = Force parallel to the incline. a. cos56.6 = F/27.44 F = 27.44cos56.6 = 15.11 N. b. Fv = 27.44cos56.6 = 15.11 N. = Force perpendicular to the incline = normal.
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