Saturday
August 30, 2014

Posts by Henry


Total # Posts: 8,960

Finance
P=1626.83 * 15yrs. * 12mo./yr.=292829.40 P = (Po*r*t)/(1-(1+r)^-t) = 292829.40 r = (4%/12)/100% = 0.00333 = Monthly % rate expressed as a decimal. t = 15yrs. * 12mo/yr. = 189 Months. (Po*0.00333*180)/(1-(1.00333)^-180)= 292,829.40 0.5994Po/0.45031 = 292829.40 1.33108Po = ...
June 18, 2013

math
3*8/6/7 = 24/6/7 = 4/7 = 0.571
June 18, 2013

math
How often is it compounded?
June 17, 2013

Math
P = Po(1+r)^n. r = 11%//100% = 0.11 = Annual % rate expressed as a decimal. n = 1comp./yr. * 14yrs.=14Compounding periods. Plug the above values into the given Eq and solve for P.
June 17, 2013

physics
D = Do + (V^2-Vo^2)/2a. D = 24.1m/s*0.366s + (0-(24.1)^2/-16 = 8.82 + 36.3 = 45.1 m.
June 16, 2013

physics
a. a = (11.3-0)/3.72 = 3.04 m/s^2. b. d = 0.5*3.04*(3.72)^2 = 21.0 m.
June 16, 2013

physics
c. d2-d1 = 25.5-9.48 = 16.0 m.
June 16, 2013

physics
a. a = (V-Vo)/t = (5.64-0)/3.36=1.68 m/s^2. d1 = 0.5a*t^2 = 0.5*1.68*(3.36)^2=9.48 m. b. a = (39.8-24.6)/3.36 = 4.52 m/s^2. d2 = 0.5*4.52*(3.36)^2 = 25.5 m. c. d2 d1 = 25.5 9.48 = 16.0 m.
June 16, 2013

physics
a. V = Vo + at. t = (V-Vo)/a = (49.4-39.4)/4.06 =
June 16, 2013

Math
P = Po(1+r)^n. r = (4.2%/2)/100% = 0.021 = Semi-annual % rate expressed as a decimal. n = 2comp./yr * 4yrs. = 8 Compounding periods. P = Po(1.021)^8 = 1400 Po = 1400/(1.021)^8 = $1185.56
June 16, 2013

math
P = Po(1+r)^n r = (5.6%)/12)/100% = 0.00467 = Monthly % rate expressed as a decimal. n = 12comp/yr. * 3yrs. = 36 Compounding periods. P = 3700(1.00467)^36 = $4375.68. Int. = P-Po = 4375.68-3700 = $675.68
June 16, 2013

physics
h = -3.93t * 4.9t^2 = 4.91 m. 4.9t^2 - 3.93t - 4.91 = 0 Use Quadratic Formula and get: t = 1.48 s.
June 14, 2013

physics
F = m*a = 89 * 0.29 = 25.8 N. d = 25.8N/2100N * 1m = 0.0123 m.
June 14, 2013

Physics
Va = 5400rev/min*1min/60s*6.28rad/rev = 565.2 rad/s. t = (12rev/5400rev) * 60s = 0.133 s. V = Vo + at = 0 at = -Vo a = -Vo/t = -565/0.133 = -4248 rad/s^2.
June 12, 2013

math
ht = X Ft. Base = X-5) Area = B/2 * h = 42. (x-5)/2 * x = 42 (x-5)x = 84 x^2-5x = 84 x^2-5x-84 = 0 (x+7)(x-12) = 0 X = -7, and 12 Ft. = ht. Base = 12-5 = 7 Ft.
June 12, 2013

physics
a=(V-Vo)/t = (-40-25)/0.01=-6500 m/s^2. F = m*a = 0.055 * -6500 = -358 N.
June 12, 2013

GEOMETRY I BEG YOU PLEASE HUHUHU
-sqrt(7) = -2.65 Y(-2.65,6), W(-2,3), h(5,12). W is between y and h.
June 12, 2013

math
tan35 = h/360. h = 360*tan 35 = 252 Ft.
June 12, 2013

Intermediate algebra, concepts and graphs
Step 1: h = -16t^2+64t+80=128.
June 12, 2013

Intermediate algebra, concepts and graphs
t^2-4t-5=-8 (t-1)(t-3)=0
June 12, 2013

Intermediate algebra, concepts and graphs
t^2-4t-5=-8
June 12, 2013

Intermediate algebra, concepts and graphs
My post was rejected.
June 12, 2013

Physics
V = d/t = 80/2 = 40 mi/h.
June 12, 2013

PLEASEEE GEOMETRY
H(-4,5). J(-1,10). I(1,sqrts). Point J is between H and I.
June 12, 2013

geometry
Answer: D.
June 12, 2013

GEOMETRY
O = 3*sqrt(2) = 4.24. N = 2*sqrt(5) = 4.47. M = 5. N is between O and M.
June 12, 2013

physics
Zero Degrees.
June 12, 2013

Geometry
post it.
June 11, 2013

Geometry
As = pi*r^2 + pi*D*h As = 3.14*100 + 3.14*20*42 = 2953 m^2.
June 11, 2013

physics
Zero Degrees.
June 11, 2013

power dissipation please help
P = V*I = 2 * 20 = 40 mW. = 0.04 W.
June 10, 2013

transformers
Z1 = (25)^2 * 2x = 1250k Ohms I1 = 50/1250k = 0.04 mA.. i
June 10, 2013

physics
See previous post.
June 10, 2013

physics
See previous post.
June 10, 2013

physics
See previous post.
June 10, 2013

physics
See previous post.
June 10, 2013

physics
See previous post.
June 10, 2013

physics
V^2 = Vo^2 + 2ad a=(V^2-Vo^2)/2d=(900-0)/7400=0.122 m/s^2 d2 = 30m/s * 410s = 12300 m. d3 = (V^2-Vo^2)/2a d3 = (0-900)/-0.130 = 6923 m.
June 10, 2013

Physics
Shorted.
June 10, 2013

Math
1. The diagonal divides the rhombus into 2 congruent triangles. The altitude bisects the diagonal. (16/2)^2 + Y^2 = 10^2 Y^2 = 100-64 = 36 Y = 6 = Altitude. Area = 2(16/2 * 6) = 96 in^2.
June 9, 2013

Math
2. Decagon: 10 sides. Area = 2.94*r^2 = 2.94*4^2 = 47 cm^2.
June 9, 2013

College Level Physics
d = 2.5m/s * 6min*60s/min = 900 m. Work = F*d = 145cos30 * 900 = 443,856 J. = 444 kJ.
June 9, 2013

Algebra
x^2/12 + 11x/9 = 300 Multiply both sides by 36: 3x^2 + 44x = 10800 3x^2 + 44x - 10800 = 0 Use Quadratic Formula: X = 53.1 mi/h.
June 9, 2013

math
P = Po(1+r)^t P = 1320(1.08)^5 = 1940 Students.
June 9, 2013

math
Correction: Biweekly Gross = 38400/26 = 1476.92
June 6, 2013

math
Annual Gross = 24 * 1600 = $38400. Biweekly Gross = 38600/26 = 1476.92
June 6, 2013

Physical Science
1. V = L*F = 0.01*5 = 0.05 m/s=50 mm/s. 4. Changes speed.
June 6, 2013

Math>> Help!!
Tan A = Y/X = 4/3 = 1.3333. A = 53.13o. h = 20*sin53.13 = 16 Ft.
June 5, 2013

Please Help!! Math
Depth = X Ft. Width = 2X Ft. Length = 4X Ft. Vol. = 4x*2x*x = 1728 Ft^3 8x^3 = 1728 x^3 = 216 X = 6 Ft. 2X = 12 Ft. 4X = 24 Ft.
June 5, 2013

HELP!!! Math
Width = X Ft. Length = 3X/2 Ft. Area = (3x/2) * X = 15,000 Ft^2 Multiply both sides by 2: 3x * x = 30.000 3x^2 = 30000 x^2 = 10000 X = 100 Ft^2. 3x/2 = (3*100)/2 = 150 Ft^2
June 5, 2013

Business
If a family planned to spend $370 for food during March but only spent $344, this difference would be referred to as a:
June 5, 2013

Math
E. None of these.
June 5, 2013

Physics
Please clarify your problem, and show all units.
June 5, 2013

physics
A car moving with a velocity of 24meters per seconds,acceleration for 15seconds at a rate of 1meter per second square,calculate the final velocity of the car
June 5, 2013

math
0.6*8 = 4.8 0z of sugar. 8-4.8 = 3.2 oz of water. Sugar = 5%. %Water = 100-5 = 95. (3.2+w)/(4.8 + (w+3.2)) = 0.95 Cross multiply: 3.2+w = 4.56+0.95w+3.04 w-.95w = 4.56+3.04 0.05w = 7.6 W = 88 oz. of water added.
June 5, 2013

Algebra
See previous post.
June 4, 2013

physics
0.5g*t^2 = 40. 4.9t^2 = 40 t^2 = 8.16 t = 2.86 s.
June 4, 2013

Physics
a = (V-Vo)/t = (10-0)/5 = 2 m/s^2.
June 3, 2013

finance
D.
June 2, 2013

physics
Ri = (102-92)/(31.9-10.3) = 0.463 Ohms, internal resistance. E = 102 + 10.3*0.463 = 107 Volts. Or E == 92 + 31.9*0.463 = 107 Volts.
June 2, 2013

math
Cost = 80*3.50 = $280. 0.9*80 = 72 Sold. 72*P = 1.6*280 P = $6.22 = Selling price per dinner.
June 1, 2013

algebra
(x^2z^5)/(x^6z^4) = X^-4*Z = Z/X^4.
June 1, 2013

Math
Incomplete.
June 1, 2013

Science
P1*V1 = P2*V2 V2 = (P1/P2) * V1.
June 1, 2013

physics
See Related Questions: Sat,6-1-13,10:49 Am.
June 1, 2013

physics
Correction: Dc = 0.7g/cm^3.
June 1, 2013

physics
Vb = 0.7 * 20^3 = 5600 cm^3. = Vol. below surface. Vb = (Dc/Dw) * Vc. = 5600 (Dc/1) * 20^3 = 5600 Dc = 5600/20^3 = g/0.7 cm^3 = Density of the cube of wood. 1. Mass of cube = 20^3cm^3 * 0.7g/cm^3= 5600 Grams. = 5.6 kg. To totally submerge the block, its' density must be ...
June 1, 2013

math
Cost = 200*2.45 = $490. 0.95*200 = 190 Sold. 190*P = 1.40*490 P = $3.61 = Selling price per cake.
May 31, 2013

algebra
Chair A: (79.99/119.99 )-1 = -0.333 = -33.3%. The negative sign means "down". Chair B: (89.99/149.99)-1 = -0.400 = -40%. Mat = 0.85*29 = $24.65 Leather protection = $19.95 Total Cost = (89.99+24.65+19.95)*1.063= $143.07.
May 31, 2013

algebra
Chair A: (79.99/119.99 )-1 = -0.333 = -33.3%. The negative sign means "down". Chair B: (89.99/149.99)-1 = -0.400 = -40%. Mat = 0.85*29 = $24.65 Leather protection = $19.95
May 31, 2013

Physics
Incomplete.
May 31, 2013

math
C1 = 2*8.99/3 = $5.99 each with markdown C2 = 8.99 Each, Without markdown. (5.99/8.99)-1 = -0.3337 = -33.4% Or 33.4% Markdown. The negative sign means markdown.
May 30, 2013

Math
1. 7x = 58-142 = -84 X = -12. 2. 5x = -44-96 = -140 X = -28. 3. -26 = -7x+8x-16 -26 = x-16 x = 16-26 = -10 4. Similar to #3. 5. Similar to #1. 6.
May 30, 2013

Math
1. x+9 = 11 X = 11-9 = 2. The remaining problems are similar.
May 30, 2013

math
See 8:53pm post.
May 30, 2013

Finance
P = (Po*r*t)/(1-(1+r)^-t) Po = 125000-25000 = $100000. r = (9%/12)/100% = 0.0075 = Monthly % rate expressed as a decimal. Po*r*t = 100000*0.0075t = 750t P = 1000t. P = 750t/(1-1.0075^-t) = 1000t Divide both sides by 750t: 1/(1-1.0075^-t) = 1.333 Cross multiply: 1.333(1-1.0075...
May 26, 2013

alegebra
a.(42200-5100)/60 = $618.33 Per Month. b. Po = 42200-5100 = Amount Financed. P = (Po*r*t)/(1-(1+r)^-t) r = (2.5%/12)/100% = 0.002083 = Monthly % rate expressed as a decimal. t = 60 months. Plug the above values into the given Eq and get P = $39,505.80. Monthly = P/60.
May 26, 2013

maths
Total = $X. Oldest = $2x/7. 2nd Oldest = 3/5 * 5x/7 = $3x/7. 3rd = $x/7 = $120. 4th = $x/7 = $120. x/7 = 120 X = $840.
May 26, 2013

math
a. In the given Eq, replace X with 3 and solve. Multiply the results by 100. b. Same procedure as "a".
May 26, 2013

Math
Correct.
May 25, 2013

math
sin7o = 1000/L L=1000/sin7 = 8206 Ft=Line of site(hyp) L' = 8206 - 0.7*5280 = 4510 Ft. h = 4510*sin7 = 550 Ft.
May 25, 2013

math
h = 45*sin5 = 3.92 Tt. = 47 In.
May 25, 2013

Science
V = Vo + a*t = 50 m/s. 0 + 2t = 50 t = 25 s.
May 25, 2013

physics
D = 5km[45o] + 4km[30o] + 2km[-60o]. X = 5*cos45 + 4*cos30 + 2*cos(-60)=8 km. Y=5*sin45 + 4*sin30 + 2*sin(-60)=3.80km. tanA = Y/X = 3.80/8 = 0.47544 A = 25.4o D = 8/cos25.4 = 8.86 km.
May 25, 2013

scientific notation am i doing it right?
1. Correct. 2. 9.82*10^5 = 982000. 3. 9*10^-3 = 0.009 4. Correct.
May 25, 2013

physics
Fe = m*g = 400kg * 9.8N/kg = 3920 N. = Force of elevator. P = F * V = 3920 * 0,03 = 117.6 Joules/s = 117.6 Watts.
May 23, 2013

math
P = 1.39(1+0.005)^12 = $1.48.
May 23, 2013

algebra
Correction: 1. 7x/(x^2-4) = 7x/(x+2)(x-2). When X = +-2, the denominator = 0. Therefore, +-2 are not in the domain. Domain: All real values of X except +-2.
May 22, 2013

algebra
1. g(x) = 7x/(x^2-4) x^2-4 = 0 x^2 = 4 X = +- 2. Domain: -2 <X< 2. 2. F(x) = 5x*sqrt(x-2). 2 <=X< +Infinity.
May 22, 2013

algebra
(f-g)(x)= (2x+1)-(7x-1) = 2x+1-7x+1 = -5x+2. Domain: All real values of x. (f/g)(x) = (2x+1)/7x-1) 7x-1 = 0 7x = 1 X = 1/7 When X = 1/7, the denominator = 0 which is forbidden. Therefore, the domain is all real values of X except I/7. 1/7 <X< 1/7.
May 22, 2013

math
a. C = 0.50x + $50. b C = 0.50x + 50 = 80 0.5x = 80-50 = 30 X = 60 miles. c. Solve the Eq using several values of x.
May 22, 2013

math
Please clarify your problem and include all of the information.
May 22, 2013

physics
A = 73[5.5o]. X = 73*cos5.5 = 72.66 Units.
May 22, 2013

physics
d1 = d2. 28.8t = 0.5*2.03*t^2 28.8t = 1.015t^2 1.015t^2 - 28.8t = 0 Use Quadratic Formula and get: t = 28.4 s.
May 22, 2013

physics
h = Vo*t + 0.5g*t^2 = 67 m. 0 + 4.9t^2 = 67 t^2 = 13.67 Tf = 3.7 s = Fall time. d = Vo*Tf = 5.33m/s * 3.7s = 19.7 m.
May 22, 2013

math
how much will i have to pay back on 3200 dollars intrest rate 9% for a yr an a half
May 22, 2013

algebra
Please check your Eq for errors. My solution is based on the assumption that the 28t term is correct. V = Vo + g*Tr Tr = (V-Vo)/g = (0-28)/-9.8 = 2.86 s. = Rise time. Tf = Tr = 2.86 s. = Fall time. T = Tr + Tf = 2.86 + 2.86 = 5.72 s. = Time in air.
May 22, 2013

physics
D = Vo*t + 0.5a*t^2 D=5.9*19.5 + 0.5*2.12*(19.5)^2= 518 m.
May 22, 2013

physics
a1 =(V-Vo)/t = (25.9-0)/7.6 = 3.4 m/s^2. a2 = (15.4-25.9)/5 = -2.1 m/s^2. a=(a1+a2)/2=(3.4 + (-2.1))/2=0.65 m/s^2.
May 22, 2013

Physics
a=(V-Vo)/t = (-2-4.5)/0.3=-21.67 m/s^2
May 21, 2013

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