math
Bearing = 98 + 180 = 278o.
math
8cos^2X - 2 = 0 8cos^2x = 2 cos^2x = 2/8 = 0.25 cosx = sqrt(0.25) = 0.5 Xr = 60o = Reference angle. X-Xr = 180 x-60 = 180 X = 180+60 = 240o.
math
Area = 0.5*Ef*DF*sinF = 11 cm^2. 0.5*5.5*8*sinF = 11 22*sinF = 11 sinF = 0.5 F = 30o.
Algebra
x + (2x+24) + (3x+48) = 180o Solve for x.
Math
Incomplete.
hsa practice
Given: P1(3,4), P2(4,6). m = (6-4)/(4-3) = 2/1 = 2. P1(3,4). Y = mx + b = 4 2*3 + b = 4 6 + b = 4 b = 4-6 = -2. = Y-intercept. Eq: Y = 2x - 2.= Slope-Intercept form.
algebra
Y = x^2 + 3x + 6 = 4 Y = x^2 + 3x + 6-4 = 0 x^2 3x + 2 = 0 C = 2 = 1*2. (x+1)(x+2) = 0 x+1 = 0 X = -1. x+2 = 0 x = -2
physics
T^2 = 4*pi^2(L/g) T^2 = 39.48(1.8/9.8) = 7.25 T = 2.69 s.
Physics
Coefficient of static friction and weight.
physic
a. d = 50 km. b. V = 0. NOTE: Speed = 50km/5h = 10km/h.
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