Richard P.

3d

08/01/18

How we will find out the perpendicular distance of top most point of a tetrahedron from it's triangular base??

Please answer this question in 3d method

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Answers •1

Improper Integrals

07/27/18

Convergence of Integral of 1/sqrt(x+x^3) using Limit Comparison Test

I tried to get the answer by using the LCT, and it led me to the cpnclusion that the integral diverges since the integral from 0 to 1 diverges, then the whole integral also does it

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Answers •1

Electrical Engineering

07/24/18

resultant cuurent

two curents represented by i1=100sin wt and i2=100(sin wt+45) are feed in same conductor calculate result curent

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Answers •1

Probability Calculus 4

07/24/18

Calculus 4, please help!!!

A lamp uses one bulb with an average lifespan of 1100 hours. We bought two bulbs, so once the first bulb burns out, we replace it with a second of the same type. Assuming we can model the... more

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Solving Rational Equations

07/11/18

How long would it take two painters to paint a car together if one painter can paint the car in six hours and the second painter in four hours?

To multiply rational expressions, we multiply both the numerators and the denominators, then simplify if possible. We may write the expressions in factored form and cancel the common factors. Here... more

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Limits Maths Functions

07/01/18

Let the variable Z take in succession the values 6,6 1/2,6 2/3,6 4/5,............. then Z ->

O, 5, 6 or 6,

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Calculus Differential Equations Calculus 2

06/30/18

Solve the differential equation

the product of 1/6x and dy/dx equals y times the square root of the quantity 3x squared - 1.

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Square Root Volume Calculus 3

06/27/18

Find the volume of the solid

Find the volume of the solid bounded by the plane z = 5 and the hyperboloid z = SquareRoot(9+x^2+y^2)

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Limits

06/27/18

evaluate the limit

lt n-infinity ((q^n) + (p^n))^(1/n)

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Precalculus Algebra

06/25/18

Given that 3−4i is a zero, factor the following polynomial function completely. Use the Conjugate Roots Theorem, if applicable. f(x)=x4−2x3−4x2+130x−125

Given that 3−4i is a zero, factor the following polynomial function completely. Use the Conjugate Roots Theorem, if applicable.f(x)=x^4−2x^3−4x^2+130x−125

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Algebra Pre Calculus

06/25/18

Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 22, −4−4 is the only other zero, leading coefficient i

Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 2, −4 is the only other zero, leading coefficient is 2.

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Other

06/23/18

chemical equilibrium

please help me methanol gas decomposes in carbon dioxide and hydrogen at 327 c temperature, the equilibrium concentrations are methanol is 0.15M, carbon dioxide 0.24M and hydrogen is 1.1M for the... more

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Math Question

06/23/18

The graph of y = f(x) is transformed as indicated. State the coordinates of the image point of (6, 9) on the transformed graph. a) h(x) = f(x - 3) + 1

The graph of y = f(x) is transformed as indicated. State the coordinates of the image point of (6, 9) on the transformed graph. a) h(x) = f (x - 3) + 1 b) I(x) = -2f(x) c) j(x) = f(-3x)

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Other

06/13/18

CAN SOMEONE PLEASE HELP ME WITH A MATHS QUESTION ASAP !!!

I HAVE INTERNATIONAL BACCALAUREATE TOMORROW AND I DONT UNDERSTAND THIS !!!' Here is the question: consider the function g, where g(x) = 3x ... more

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Other

06/12/18

Find all values of m that will make 1/ [m^2-6m-7]/[m^2-49] undefined.

I'm confused because the answer in the textbook is -1 and 7 only. And I get it because -1 and 7 can make the expression undefined but my answer is -1, -7 and 7 and I don't get it, why does -7 makes... more

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Answers •2

Thermodynamics Newton's Law

06/10/18

Thermodynamics First Law with Work and Energy

Air is compressed (in a piston cylinder device) isothermically from 100kPa, 30°C to 300kPa. On a per unit mass basis, compute:a) The amount of work that flows into the air. b) The change in energy... more

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Physics Energy And Collision

06/10/18

Ballistic Pendulum Question

A 0.02 kg bullet is fired into a 2.4 kg sandbag suspended by a wire of negligible mass. The entire system swings up to a height of 0.84 m. If the initial speed of the bullet is 490 m/s, what is the... more

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Chemistry

05/30/18

Hess's Law Problem. Please Help

Given the following data:Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO2 (g) ΔHO = -23.4 kJ3 Fe2O3 (s) + CO (g) → 2 Fe3O4 (s) + CO2 (g) ΔHO = -48.3 kJFe3O4 (s) + CO (g) → 3 FeO (s) + CO2 (g) ΔHO = +21.8... more

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Answers •2

Linear Equation

05/21/18

Find the equation of the line through (2,3) that forms the area of 12 sq. units with the coordinates axes.

Linear Equation

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Answers •1

Surface Integral

05/14/18

Volume integral

Find the volume of the solid obtained when the region bounded by y=√x ,y=-x and the line x=9 is revolved around the x axis.

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Optimization

05/13/18

What size square should be cut out to create a box with greatest volume? What is the maximum volume?

An open box is to be made from a piece of plastic 20 by 20 inches by cutting out squares of equal size from the corners and bending up the sizes.

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Answers •2

Answer Asap Please Please Help Me Asap..

05/11/18

Chem Question

Calculate the pH of a solution involving the addition of 35 mL of 0.1 M acetic acid, CH3COOH, to 350 mL of water. Ka for acetic acid is 1.8 x 10^(-5). My professor gave us the answer and wants us... more

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Answers •3

3d Vectors Plane

04/15/18

Help me Find an equation of a plane

With respect to the origin O, the lines l and m have vector equations r = 2i + k + λ(i − j + 2k) and r = 2j + 6k + µ(i + 2j − 2k) respectively. Find the equation of the plane which is parallel to l... more

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Answers •2

Chemistry Titration Ksp Common Ion

04/05/18

250.0 ml of water will dissolve 8.7 mg of silver carbonate. What is the Ksp of silver carbonate?

im confused

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Mechanics Kinematics Potential Energy

04/02/18

If I have been given a graph of potential energy, how do I sketch typical trajectories in the phase plane?

The particle is moving in the x-axis under the action of a conservative force with a potentialenergy V (x).

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Answers •1

How we will find out the perpendicular distance of top most point of a tetrahedron from it's triangular base??

Convergence of Integral of 1/sqrt(x+x^3) using Limit Comparison Test

resultant cuurent

Calculus 4, please help!!!

How long would it take two painters to paint a car together if one painter can paint the car in six hours and the second painter in four hours?

Let the variable Z take in succession the values 6,6 1/2,6 2/3,6 4/5,............. then Z ->

Solve the differential equation

Find the volume of the solid

evaluate the limit

Given that 3−4i is a zero, factor the following polynomial function completely. Use the Conjugate Roots Theorem, if applicable. f(x)=x4−2x3−4x2+130x−125

Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 22, −4−4 is the only other zero, leading coefficient i

chemical equilibrium

The graph of y = f(x) is transformed as indicated. State the coordinates of the image point of (6, 9) on the transformed graph. a) h(x) = f(x - 3) + 1

CAN SOMEONE PLEASE HELP ME WITH A MATHS QUESTION ASAP !!!

Find all values of m that will make 1/ [m^2-6m-7]/[m^2-49] undefined.

Thermodynamics First Law with Work and Energy

Ballistic Pendulum Question

Hess's Law Problem. Please Help

Find the equation of the line through (2,3) that forms the area of 12 sq. units with the coordinates axes.

Volume integral

What size square should be cut out to create a box with greatest volume? What is the maximum volume?

Chem Question

Help me Find an equation of a plane

250.0 ml of water will dissolve 8.7 mg of silver carbonate. What is the Ksp of silver carbonate?

If I have been given a graph of potential energy, how do I sketch typical trajectories in the phase plane?

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