09/14/22

What pressure is exerted by 974.7 g of CH4 in a 0.570 L steel container at 199.3 K ?
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09/14/22

a sailboat is travelling north at 10km/h, relative ti the water. The water is flowing north at 5km/h. What is the velocity of the boat relative to ground?
what is the solution?
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09/13/22

solve y=mx+b for x
solve y=mx+b for x
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09/13/22

, describe a trip that has a (scalar) distance of 400 meters but the magnitude of the resultant displacement vector is 0 meters.
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09/12/22

How many moles of Fe3O4 can be produced when 9.00 mol Fe react with 4.00 mol O2?

a) mol Fe3O4b) mol Fe remaingc) mole O remaing
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09/12/22

A storage tank for propane gas is to be constructed in the shape of a right circular cylinder of altitude 30 feet with a hemisphere attached to each end. Express V as function of r?.
A storage tank for propane gas is to be constructed in the shape of a right circular cylinder of altitude 10 feet with a hemisphere attached to each end.The radius R is yet to be determined.Express... more
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09/12/22

Geometry problem
Two squares have integer side lengths in the ratio of 4 : 3. Their intersection is also a square with integer side lengths. If the total area shown on the surface equals 5000 square units, how long... more
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09/12/22

Evaluate the limit by first interpreting the sum as a Riemann sum for a function defined on [0, 9]. DO NOT APPROXIMATE
lim n→∞ (9/n) (sqrt(9/n) + sqrt(18/n) + sqrt(27/n) +....+sqrt(9n/n))
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09/11/22

trigonometric functions
Find all six trigonometric functions of θ if the given point is on the terminal side of θ. Answer exactly.(1,0)sin costancotseccsc
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09/11/22

Statistics homework

Common stock distributed between $20 & $40 what is probability stock price will be more than $33
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09/11/22

What quantum numbers specify these subshells
4s5p3d
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09/10/22

Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the line y = 6.
y=√1-xx=0y=0
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09/09/22

write the equation of a line that contains the points (9.-6) and (10,-4)
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09/09/22

A lens is cut into two equal halves (i) along the principal axis (i) perpendicular to principal axis. What will be the focal length of each half?
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09/09/22

Can anyone help me how to solve it??
A car is moving with uniform velocity of 61 km/h along a straight road for 10 mins. The driver then rapidly speeds up and then drives 39 km in 20 minutes. What is the average velocity in km/hr... more
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09/09/22

A long jumper leaps at an angle of 35 degrees at 9 m/s. How far will she jump?
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09/08/22

7 gal / 1 min = x qt / 1 sec
find x pls show work thxxxx
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09/08/22

Electrochemistry
The following reaction has an average cell potential of 3.00 V: 2 Li(s) + LiI3 3 LiI(aq) How much energy can be derived from a reaction in which 5.00 g of Li is oxidized?
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09/08/22

A particle is initially at rest and begins to accelerate to the right as 19.1t-t^2 m/s. How far does the particle move in 8.8 seconds?

Var Acc
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09/08/22

Calculus Question
Let F(4)=1,F′(4)=5,H(4)=4,H′(4)=5. A. If G(z)=F(z)⋅H(z), then G′(4)=  B. If G(w)=F(w)/H(w), then G′(4)= 
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09/07/22

find the determinant
If a 4×4 matrix A with rows v1, v2, v3, and v4 has determinant detA=7,row 1 [ v1]row 2 [ 4v2 + 9v4 ]row 3 [ v3 ] row 4 [3v2 + 2v4 ]what is the det of this matrix?
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09/07/22

A tennis ball is dropped from 1.21 m above the ground. It rebounds to a height of 0.82 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s?

Answer in m/s
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09/07/22

Trig Identities to prove equations

a.) Using the identity for tan(x+y), prove tan^(-1)x + tan^(-1)y = tan^(-1)[(x+y) / (1-xy)] where -π/2 < tan^(-1)x + tan^(-1)y < π/2b.) Use part a to show that tan^-1 (1/2) + tan^(-1)(1/3) =... more
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09/07/22

Algebra2mathmath
An executive in an engineering fim earns a monthly salary plus a christmas bonus of 6100 dollars. if she earns a total of 91500 dollars per year, what is her monthly salary in dollar
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09/06/22

If the solubility of acetanilide is 0.45 g per 100 mL of water at 0 oC, calculate how much acetanilide remains in solution during your recrystallization
If the solubility of acetanilide is 0.45 g per 100 mL of water at 0 oC, calculate how much acetanilide remains in solution during your recrystallization.
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