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Posts by Sol

Total # Posts: 25

Chemistry
How many grams of ice would be melted by the energy obtained as 16.2 of steam is condensed at 100 degrees celsius and cooled to 0 degrees celsius? I would like to know how it's done step by step.

physics
how much work is done when 100 kg lifted 5 meters above the ground

physics
a conductor is 2m long and 8mm diameter if its resistivity is 1.8*10^-8 ohmm calculate a,the resistance of the conductor b,the current in the conductor when a p.d of 10v is maintained across its ends c,the current density d,the electric field in the wire

Science!!!
yea all them helpers lit except for write.

mekele science
start- (using start process) enter number-(using input process) number not equal to -1 (using decision) if yes back to enter number if no end(using End)

Solid Mensuration
The area of a regular hexagon inscribed in a circle is equal to 166.28 square cm. If the circle is inscribed in a square, find the difference between the area of the square and the hexagon.

Solid Mensuration
A circle having an area of 452 square inches is cut into two segments by a chord, which is 6 inches from the center of the circle. Find the area of the bigger segment.

science
a solar eclipse. I promise

calculus
find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. sketch the region and a typical disk or washer. y^2=x, x=2y; about the y-axis i am confused because i do not know how to set it up because one is Y and the other ...

limits
evaluate the limit as x approaches 0 (1/x/-1/sins)

math
8/2 they have the same denominator so you just subtract

Math/alga ta
what do you need to do?

math
verify that the function satisfies the hypotheses of the mean values theorem on the given interval. then find all numbers c in the given interval that satisfy the conclusion of the mean values theorem f(x)= 2x/x-4 [0,3]

Algebra
(x+5)(4x+7)

Chemistry
A 10.00 g sample of He is compressed isothermally from a volume of 61.1 L to a volume 2.00 L at a temperature of 25 °C. Calculate the work done by the gas on the surroundings if the external pressure is 101.325 kPa.

calculus
find the volume of the solid bounded above by the surface z=f(x,y) and below by the plane region R f(x,y)=2x^2 y;R is the region bounded by the graphs of y=x and y=x^2

calculus
find the volume of the solid bounded above by the surface z=f(x,y) and below by the plane region R f(x,y)= 4-2x-y; R{(x,y)0<x<1;0<y<2

MATH
Does anyone know the answer I see postings for everything but the answer

math
From one year to the next the profits of Company a increased from $ 350,000 to $ 425,00 . During that same time period,Company B profits increased from $ 725,000 to $ 950,00 . How much more was company B percent in profits than company A'?

biology
A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur. Solution A: 3.21% (m/v) NaCl Solution B: 1.65% (m/v) glucose Solution C: distilled H2O Solution D: 6.97% (m/v) glucose Solution E: 5.0% (m/v) glucose ...

9th grade algebra
substitution method y=2x + 1 x+y=5

chemistry
HOW DO I FIGURE CONVERSIONS. I HAVE 100GRAMS OF A METAL AND 18% OF THAT IS NICKEL. HOW MANY GRAMS OF NICKEL DO I HAVE?

Geography
Lithosphere

Algebra
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values...

trig
solve the equation 2sin^2X - 3sinX= -1

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