Sunday
May 1, 2016

Posts by henry

Total # Posts: 11,787

math\
Po*0.03*1 + (Po+750)*0.05*1 = 157.50. 0.03Po + 0.05Po + 37.50 = 157.50, 0.08Po = 120, Po = $1500 @ 3%. 1500 + 750 = $2250 @ 5%.
March 28, 2016

science
M*g = 40*9.8 = 392 N. Fp = 392*sin20 = 134.1 N. = Force parallel to the incline = Force required to pull the body up the incline.
March 28, 2016

Math
V = -2000t + 20,000 = 14,000. t = ?.
March 27, 2016

Math
A. J(2,1), K(-5,1), L(-5,2), M(2,2). B. L = 2 - (-5 = 7, W = 2-1 = 1. P = 2L + 2W = 2*7 + 2*1 = 16 Units.
March 26, 2016

Physics
a. P = E^2/R = (120)^2/R = 5.00 W., R = (120)^2/5 = 2,880 Ohms. P = (230)^2/2880 = 18.4 W. b. U.S.A.: 120I = 5.0, I = 0.0417A. Rome: 230I = 18.4, I = 0.08A. I = 1.2 * 0.0417 = 0.050A = Current at which the razor will be damaged. Yes. c. Np/Ns = Vp/Vs = 230/120 = 1.92/1. d. R...
March 26, 2016

Physics
Vt = 72,000m/h * 1h/3600s = 20 m/s. a. Fp = (Vs+Vp)/(Vs-Vt) * Ft =(343+0)/(343-20) * 600 = 637.2 Hz. b. Fp = (Vs-Vp)/(Vs+Vt) * Ft =
March 26, 2016

physics
M1*V1 + M2*V2 = M1*V3 + M2*V4, 2*10 + 3*0 = 2*V3[30o] + 3*4, 20 = 2V3[30o] + 12, 2V3[30] = 8. 2[30] = 8/V3, 1.732 + i = 8/V3, 8/V3 = 2, 2V3 = 8, V3 = 4 m/s. = Speed of 2kg ball.
March 25, 2016

physics
t = 54rev * 1min/3500rev = 0.0154 min. = 0.93s. Vo = 3550 rev/min * 6.28rad/rev * 1min/60s = 372 rad/s. V = Vo + a*t = 0, a = -Vo/t = -372/0.93 = -400 rad/s^2.
March 25, 2016

Physics
Work = F*d = Mg * d = 20*9.8 * 10 = 1960 J.
March 25, 2016

physics
Incomplete.
March 25, 2016

Physical Science
Density = 500g/50cm^3 = 10g/cm^3.
March 24, 2016

Science
Defective light bulb, defective switch, dead battery or miswired.
March 24, 2016

Engineering Accounting
The Equation used most often for home and auto loans: P = Po*r*T/(1-(1+r)^-T) (Po*0.01*72)/(1-1.01^(-72)) = 38,060, 0.72Po/0.51150 = 38,060, 1.41Po = 38,060, Po = $27,038.67. = Cost of car.
March 23, 2016

Engineering Accounting
P = 3500 + (480*72) = 38,060. P = Po(1+r)^n = 38,060, r = 0.12/12 = 0.01/mo., n = 72 Compounding periods. Po(1.01)^72 = 38,060, 2.047Po = 38,060, Po = $18,592.16. = Price of car.
March 23, 2016

Engineering Accounting
Price = 3500 + (480*72) =
March 23, 2016

Business math
1. P = Po(1+r)^n. r = 0.046/2 = 0.023 = Semi-annual % rate. n = 2Comp./yr. * 8.5yrs. = 17 Compounding periods. P = 26,000(1.023)^17 = $38,270.058. 8.5yrs. = 102 Months. 38,270.058/102 = $375.20/Mo. 2. I = 38,270.06 - 26,000 = $12,270.06.
March 23, 2016

Math
I = Po*r*t = (1350-300)*(0.1425/12)*1 = $12.47. I = 1350*(0.1425/12)*1 = $16.03. Int. Saved = 16.03 - 12.47 =
March 23, 2016

math
T = Time until app. 60*(T-10/60) = 45*(T+5/60), 60T-10 = 45T + 3.75, 15T = 13.75, T = 0.91667 h = 55 Min.
March 23, 2016

math !
Glad I could help!
March 23, 2016

math !
A = 15 * 6*8 = 720 Sq. in.
March 23, 2016

math
A = 6*4 + 3*8 == 48 Ft^2, Cost = 20 * 48 =
March 23, 2016

science
4D.
March 23, 2016

Math
(14 2/9)% = (128/9)% = (128/9)%/100% = 128/900 = 32/225 = the ratio.
March 23, 2016

math
12/4 = L/6, L = ?.
March 22, 2016

Physics
M1*V1 + M2*V2 = M1*V + M2*V, 64.8*9.2 + 24.4*0 = 64.8V + 24.4V, 596.16 = 89.2V, V = 6.68 m/s.
March 22, 2016

Physics
a. My answer: 207.5 J/s = 207.5 W. b. Work = F*d = Mg*d = 2400*9.8 * 1.3 = 30,576 Joules. T = 30,576J. * 1s./207.5J. = 147.4 s.
March 22, 2016

physics
Incomplete.
March 22, 2016

Physics
7.90h * 3600s/h = 28,440 s. = 2.84*10^4 s. P = 5.90*10^6/2.84*10^4 = 207.5 J/s. = 207.5 Watts.
March 22, 2016

Physics
a. 6.28/360o = x/82.9o, x = 82.9 * 6.28/360 = 1.45 Radians. b. 6.28rad/rev * 6revs =
March 21, 2016

Whats the answer
2-11x^2-8x+6x^2 = -5x^2-8x+2.
March 21, 2016

electronics
What does Tr and ZT mean?
March 20, 2016

physics 101
30mi/h * 1600m/mi * 1h/3600s. =
March 20, 2016

algebra
Sqrt(39sqrt(6-4)) == Sqrt(39sqrt2) = Sqrt(55.15) = 7.43
March 20, 2016

Algebra
L = Sqrt(x^2+Y^2) = Sqrt(9^2+13^2) = 15.8 Ft.
March 20, 2016

Math
TanA = 60/91 = 0.65934, A = 33.4o. E. of N.
March 20, 2016

Math
X => 3, Y = 2.
March 19, 2016

math help
See your previous post.
March 18, 2016

Math (Grade 12)
1. Equity = 367,685-108,653. 2. 0.564 * Equity =
March 18, 2016

Physics
V^2 = Vo^2 + 2a*d, a = (V^2-Vo^2)/2d = (50^2-300^2)/0.08 = -1,093,750 m/s^2. F = M*a = 0.025 * (-1,093,750) =
March 18, 2016

science
d. 6.67 g/mL.
March 17, 2016

Phy
See previous post: 3-17-16, 10:58 AM.
March 17, 2016

Phy
T1 = T2, T1*Cos45 - T2*Cos45 = 0. So, the hor. components cancel. T1*sin45 + T2*sin45 = 20, Replace T2 with T1: T1*sin45 + T1*sin45 = 20, 2T1*sin45 = 20, 1.414T1 = 20, T1 = 14.14 N. = T2.
March 17, 2016

math
Po = $3,500, T = 3 Years, P = 36 * 104.50 = $3762. Int. = P-Po = 3762 - 3500 = $262. Int. = 3500*r*3 = 262, 10,500r = 262, r = 0.025 = 2.5% = APR.
March 16, 2016

physics
Correction: Vs = 343 m/s. (343+14)/(343-75) * 1000 = 357/268 * 1000 = 1332 Hz.
March 16, 2016

physics
Fr = (Vs+Vt)/(Vs-Vc)*Fc = (443+14)/(443-75) * 1000 = 457/368 * 1000 = 1242 Hz. = Freq. heard by the receiver(Truck driver).
March 16, 2016

Science: Physics
d = 1000N * 1m/500N = 2 m.
March 15, 2016

Math
12/4 does not = 8/24. 8/4 = 24/12. So, the ans. is B.
March 14, 2016

physics
KE = 0.5M*V^2.
March 13, 2016

physics
V^2 = Vo^2 + 2g*h = 0, h = -Vo^2/2g = -80/-19.6 = 4.08 m. = max. ht. 1. PE = M*g*h/2 = 0.1*9.8*(4.08/2) = 2.0 Joules. 2. PE = 0.1*9.8*4.08 = 4.0 Joules. 3. KE = 0.5M*V^2 = 0.5*0.1*80^2 = 320 Joules.
March 13, 2016

Math
P = 11/12.
March 12, 2016

algebra
Width = W feet. Length = W+8 Ft. Width = W+4. Length = W+3. A1 = A2, (W+8)*W = (W+3)*(W+4), W^2 + 8W = W^2 + 4W + 3W + 12, W = 12 Ft., W+8 = 20 Ft.
March 12, 2016

MATH Help!
C = (2/6)n = (1/3)n.
March 12, 2016

Algebra
(1,1), (1,2) (1,3), (1,4), (1,5), (1,6). So, there 6 possibilities per side. 6poss./side * 6sides = 36 Possibilities.
March 12, 2016

math
Bought X eggs @ 18 Cents each. Cost = 18x. (x-8)eggs * 24Cents/egg = 24x-192 = Sale price. Profit = Sale Price - Cost = (24x-192) - 18x = 288 Cents, 6x = 480, X = 80.
March 12, 2016

maths
x/(x+6), (x+1)/(x+4) = 3/4, 4x+4 = 3x+12, X = 8. 8/(8+6 = 8/14 = 4/7.
March 12, 2016

English
I hear the mournful wail of millions, whose chains, heavy and grievous yesterday, are to-day rendered more intolerable by the jubilant shouts that reach them. Which definition of rendered is most likely suited for this line? Caused to be a certain nature Melted down Repeated ...
March 11, 2016

English
To forget them, to pass lightly over their wrongs, and to chime in with the popular theme, would be treason most scandalous. . . Which word is most similar to how chime in is used here? Agree Create Harmonize Resound I have no idea because chime in- means to interject, so ...
March 11, 2016

math
Multiply Eq1 by 3 and Eq2 by -4 and add: 15x - 12y = -21 -12x + 12y = 84 Sum:3x = 63, X = 21. In Eq1, replace x with 21 and solve for y: 15*21 - 12y =-21, 315 - 12y=-21, -12y = -336, Y = 28.
March 11, 2016

Physics
Vp + 80 = 325km/h[240o] CCW. Vp + 80 = -162.5-281.5i, Vp = -242.5 - 281.5i = 372km/h[49.3o] S. of W.
March 10, 2016

Physics
Let L = 100 uh. Xl = 6.28*526.5*10^3*100*10^-6 = 330.642 Ohms = Xc. C = 1/6.28*F*Xc = 1/6.28*526.5*10^3*330.642 = 0.00091 uF = 910 pF. at 526.5 kHz Xl = 6.28*1606.5^10^3*100*10^-6 = 1,009.4 Ohms = Xc. C = 1/(6.28*1606.5*10^3*100*10^-6) = 9.9*10^-4 uF = 990 pF. C = 910 pF to ...
March 10, 2016

Physics
a. d = 50 + 75 + 100 = b. D = 50i + 75[45o] + 100[300o] = 50i + 53+53i + 50-86.6i = 103 - 33.6i = 108.3m[-18.1o] = 18.1o S. of E.
March 10, 2016

English
I think the answer is, because he is pretty much telling the people reform is needed. AFTER an unequivocal experience of the inefficiency of the subsisting federal government, you are called upon to deliberate on a new Constitution for the United States of America. What does ...
March 10, 2016

science
Correction: 3. Wavelength.
March 9, 2016

science
1. Frequency. 2. Friction. 3. Period. 4. Refraction. 5. Reflection or Echo. 6. 7. Decibel.
March 9, 2016

business math
P = Po + Po*r*t = 10,500 + 10,500*(0.12/360)*90 = 10,815 Pesos.
March 9, 2016

math
X Qtrs., 2x Dimes, 2x+4 Nickels, 2(2x+4) Pennies. 25x + 10*2x + 5(2x+4) + 2(2x+4) = 913 Cents, 25x + 20x + 10x+20 + 4x+8 = 913, 59x = 913-28 = 885, X = 15 Qtrs., 30 Dimes, 34 Nickels, 68 Pennies.
March 9, 2016

Math HELP!
Vertical angles.
March 9, 2016

maths
t = 50/60 * 24min. = 20 Min.
March 9, 2016

algebra
Ac + Ar = Ay, pi*r^2 + Ar = 6x*7x, 3.14*(2x)^2 + Ar = 42x^2, 12.57x^2 + Ar = 42x^2, Ar = 29.4x^2 = Area remaining.
March 9, 2016

Math - Help!
Vertical angles.
March 9, 2016

Math
3cakes/4people = 3/4 cake each.
March 8, 2016

Math
5/6 = 105/126, 5/7 = 90/126, 8/9 = 112/126.
March 8, 2016

algebra
1. Yes, Y = 3.5x. 2. No. 4. a^2 + b^2 = c^2. b = 5, c = 15, a = ?. 5. 51 * T = 204. 8. (-5,2), (3,7). L^2 = (3+5)^2 + (7-2)^2 = 89, L = 9.4. 9. (3,-1), (5,-8). m = (-8+1)/(5-3) = 11. (5,2), (x,y), m = 3. m = (y-2)/(x-5) = 3, y-2 = 3(x-5). 12. (-8,2), (x,y), (4,-2). x+8 = 1/2(4...
March 8, 2016

Physics
D = 3 + 4i = 5km[53.1o]. N. of E.
March 8, 2016

Physics
Do you mean 20o N. of E. or N. of w. or what do you mean?
March 8, 2016

Physics
Not Correct: A, C, D.
March 8, 2016

Math
James: X years old, Phil: 2x " " Peter: (2x-3), x + 2x + (2x-3) = 32 X =?
March 7, 2016

electrical technology
10 s. = 10,000 mS. x = t/RC, Vr = 9/e^x = 9-8 = 1, e^x = 9, X = 2.197 = 10,000/(R*47), 2.197 =213/R, 2.197R = 213, R = 96.8Kohms. r
March 7, 2016

English
Sorry I didnt seperate them well . . .the theory which he attempts to demonstrate and the wonderful facts which he relates soon changed this feeling into enthusiasm. My father looked carelessly at the title page of my book and said, "Ah! Cornelius Agrippa! My dear Victor...
March 6, 2016

English
I thought it was C for this Victor Frankenstein recounts the influences that lead to his great experiment: I feel exquisite pleasure in dwelling on the recollections of childhood, before misfortune had tainted my mind and changed its bright visions of extensive usefulness ...
March 6, 2016

English
Could I get some check on my answers? Read these lines from Macbeth: The west yet glimmers with some streaks of day: Now spurs the lated traveller apace, To gain the timely inn; and near approaches The subject of our watch. Which of the following correctly describes how the ...
March 6, 2016

Math
Multiply Eq1 by 3 and Eq2 by 2: 9x - 6y = 15. 10x + 6y = 42. Solve by addition.
March 6, 2016

Electronics
Even if an amplifier circuit does not have band-pass filters, there is a limit on the band of frequencies that it can pass. The lowest frequency is determined by the value of the coupling capacitors. The highest frequency is limited by any capacitance in parallel with the ...
March 5, 2016

maths
VAT = 0.05*(52,500+84,000+262,000+672,000+157,000) =
March 5, 2016

science
L = V/F = 3*10^5/40*10^6 = 0.0075 m.
March 5, 2016

algebra or algebra1
(20)(x^3y^4)^3 = (20)(x^9y^12) = 20x^9y^12.
March 5, 2016

algebra or algebra1
F(a) = 2a + 9 = 7, 2a = -2, a = -1.
March 5, 2016

algebra or algebra1
L = Sqrt(21^2+16^2)
March 5, 2016

physics
C = pi*D = 3.14 * 67 = 211 cm. = 2.11 m. Speed = 11.2rev/s * 2.11 m/rev = 23.6 m/s.
March 4, 2016

Calculus
Show that f(x) = 2000x^4 and g(x) = 200x^4 grow at the same rate I know that they grow at the same rate because they are both raised to the same power, but i don't know how to show it.
March 4, 2016

Math
(5,6), (8,9). m = (9-6)/(8-5) = 1, Y = mx + b = 6, 1*5 + b = 6, b = 1, Y = x + 1. (0,5), (6,3). m = (3-5)/(6-0) = -1/3, Y = mx + b = 5, (-1/3)0 + b = 5, b = 5, Y = (-1/3)x + 5. x + 1 = (-1/3)x + 5, x+1 = -x/3 + 5, x + x/3 = 4, Multiply both sides by 3: 3x + x = 12, X = 3 Min.
March 4, 2016

Math
1. 1cents = 2^0 = 2^(d-1). 2. 2cents = 2^1 = 2^(d-1) 3. 4cents = 2^2 = 2^(d-1). 15. 2^(d-1) = 2^(15-1) = 2^14 = 16,384 Cents(pennies) = $163.84.
March 4, 2016

math
1. Take the chicken across. 2. Take the fox across and bring the chicken back. 3. Take the corn across. 4. Take the chicken across.
March 4, 2016

Calculus
Find the range of the function ∫sqrt(4-t^2) dt where a=0 =x [0, 4π] [0, 2π] [-4, 0] [0, 4]
March 4, 2016

physics
a. Impulse = 0.224 * 22 = b. V = Vo + a*t = -22, 18 + a*0.06 = -22, 0.06a = -40, a = 667 m/s^2. F = M*a = 0.224* (-667) =
March 3, 2016

Physics
h = Vo*t + 0.5g*t^2
March 3, 2016

Physics
Y = 5.07*sin60.2 = 4.40 m/s. d = V*T = 24.7, 4.4*T = 24.7, T = 5.61 s.
March 3, 2016

physics
a. V^2 = Vo^2 + 2g*h, Vo = 0, g = 9.8 m/s^2, h = 0.54 m., V = ?. b. k = Mg/d = (1.7*9.8)/0.088m =
March 3, 2016

Algebra
See previous post.
March 2, 2016

Algebra
See previous post.
March 2, 2016

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