Questions Answered

John_henderson:
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A group of bored piles, 0.5 m diameter and 15 m long is to be installed on a site underlain by the following strata:
…
 updated 11 months ago
 3 replies
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John_henderson:
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Hi guys i need help on these two questions please help!
The variation of fracture toughness with specimen thickness. Explain the reasons …
 updated one year ago
 1 reply
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John_henderson:
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Problem :
A storage tank comprising an open circular cylinder (radius R, height H) seated on ' a' conical hopper (with slope 3 parts vertic…
 updated one year ago
 146 replies
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John_henderson:
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Hi ,
i need help with Lagrange multipliers the question is as follows can you please go though it step by step any help is much appreciat…
 updated one year ago
 87 replies
 1 Medal

Taysha1999:
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Factorise xy+3x=
4y+10xy=
6x*squared*+2=…
 updated one year ago
 30 replies
 1 Medal

Nurialozza96:
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Simplify square root of negative 121
 updated one year ago
 5 replies
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anjum1:
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solve the inequality
5x4>2x+8
 updated one year ago
 6 replies
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John_henderson:
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Hi guys i really need help on this design optimisation question any help is much appreciated :
Two generators are connected to provide …
 updated one year ago
 6 replies
 1 Medal

Isabella_Kapadia:
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Help me please ? !! What is the surface area of the box?
 updated one year ago
 4 replies
 2 Medals

John_henderson:
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Hi
I have been stuck on this moments question for a while so please do help, how do i get the shear forces at the points A B and C for th…
 updated one year ago
 17 replies
 2 Medals

John_henderson:
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How to determine bn of a fourier series and find the 6 non zero terms where :
bn = 1/2 * integral t*sin(npit/2) dt
…
 updated one year ago
 26 replies
 1 Medal

LivForMusic:
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Isaac and Betty are describing two triangles.
Isaac says, ”My triangle has exactly two sides equal.”
…
 updated one year ago
 5 replies
 1 Medal

John_henderson:
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A function is defined by
Ft=( 0, when  pi <t< pi/2 )
…
 updated one year ago
 34 replies
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John_henderson:
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how do i find the period of these funtions
f(t) = t 2<t<2
f(t) = t^2 pi<t<pi
…
 updated one year ago
 4 replies
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John_henderson:
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A periodic function is defined by f(t)=t over
2<t<2.
…
 updated one year ago
 45 replies
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John_henderson:
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Integrate limits 3 to 0 for 4*root(4y)
 updated one year ago
 5 replies
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John_henderson:
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find the laplace trasfrom of
1. ft(t) = h(t1)cos(t1)
…
 updated one year ago
 16 replies
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InsanelyChaotic:
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Solve. x2  4x = 14 (1 points)
Answer
…
 updated one year ago
 8 replies
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John_henderson:
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1. Given that X=x(t) and y=Y(t) are two functions of time, t and they are related by the following equations.
dx/dt  x +y=e^t
…
 updated one year ago
 15 replies
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John_henderson:
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A periodic function F(t) is defined by f(t)=t^2, over pi<t<pi
A1. State the period of f(t).
…
 updated one year ago
 28 replies
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John_henderson:
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V= ∫ ∫ 4dydx + ∫ ∫ 4dydx
For the first set of integrals the outer limits are from 1 to 0. The inner limits are from X^2 to 0.
…
 updated one year ago
 69 replies
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Astemmene:
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What is the measurement of angle A in the triangle if angle b=100 degrees and angle c=30 degrees
 updated one year ago
 16 replies
 2 Medals

FrEnChKiD:
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how do I expand this equation y=x^26x+8
 updated one year ago
 4 replies
 1 Medal

John_henderson:
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Use laplace transform to solve the differential equation:
d^2y/dt^24dy/dt+4y=7e^2t*sin3t24e^2t*co3t
…
 updated one year ago
 69 replies
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John_henderson:
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Express the following in terms of Heavyside Function=> H(ta) and find its laplace transform Where
F(t) = t 0<t<1
0 1<t< 2…
 updated one year ago
 21 replies
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John_henderson:
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Using laplace trasform solve :
dx/dt+3x=0
 updated 2 years ago
 126 replies
 2 Medals

John_henderson:
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Inverse laplace trasform of
s^2+2s+3/(s^2+2s+2) (s^2+2s+5)
 updated 2 years ago
 10 replies
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John_henderson:
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Verify the following results by direct integration
laplace of ( e^t*sin2t)= 2/s^2+2s+5
 updated 2 years ago
 16 replies
 2 Medals

jamesballsfacenow:
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x/5 + 9 = 4
A. 65
…
 updated 2 years ago
 1 reply
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ally2000:
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PLEASE HELP!!
1 5/8  1 1/8=?
 updated 2 years ago
 22 replies
 2 Medals
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