Saturday
November 29, 2014

Posts by lashawn


Total # Posts: 58

Physics
48.0 g of oxygen (O2 is diatomic) are confined in a rigid 1.00x10^3 L cubical container at temperature 300.0 K. Find the gas pressure and the force exerted by the oxygen gas on any of the six faces of the cube. Mass number of an oxygen atom is 16.0 1.00L=10^-3 m^3
April 24, 2013

Physics
A 16.0 gallon steel tank is topped off with gasoline at 0 degrees C. With the lid off, the tank is left outside where the air temp is a sizzling 40.0 deg C. How much gasoline overflows? (assume a=12.0x10^-6/degree C for steel, B=950.0x10^-6/deg C for gasoline). Don't ...
April 24, 2013

Physics
A 100.0 cm long brass rod is heated from 20 degrees C to a final temp of 100 degrees C. Find the change in the length of the rod. (a-19.0x10^-6/degree for brass)
April 24, 2013

Physics
A constricted horizontal tube of radius r(1)=4.00 cm tapers to a tube of radius r(2)=2.50 cm. If water flows at speed 2.00 m/s in the larger tube, (a) find the speed of the water v(2) in the smaller tube. (b) Find the flow rate in this tube.
April 24, 2013

Physics
Assume that 60.0 m/s wind (during a hurricane) is blowing past a 1.50 m by 1.50 m glass windo in a house. Find (a) the pressure difference "delta"P=P(in)-P(out) and (b) the force (Magnus force)tending to blow this window outward. Let the air density p=1.20 kg/m^3.
April 24, 2013

Physics
A balloon of negligible mass is filled with helium gas (p=0.179 kg/m^3) until its volume is just large enough to lift a 25.0 kg load. (a) Find this volume. (b) Find the buoyant force exerted by air (p=1.29 kg/m^3) on the balloon.
April 24, 2013

Physics
A solid cube (side=2.54 cm) of aluminum (p=2.70x10^3 kg/m^3) is attached to a vertical cord. (a) Find the tension in the cord if the cube is in air. (b) Find the tension in the cord if the cube is fully immersed in water (p=1.00x10^3 kg/m^3).
April 24, 2013

Algebra
Simplify 6x-4(4x+1)+6x+12(4x^2+9x+2)
February 19, 2013

Algebra
Simplify 1(x+1)-7x(x^2+2x+1)
February 19, 2013

Algebra
Simplify 9a(a-7)-8+3(a)
February 19, 2013

Algebra
Correct the right hand side of the following expressions. (a) 5 x 5+x _ + _ = ____ 2 6 2+6 (b) 6x + 5 _______= x+5 6 (c) 1 1 1 _ +_ = ___ y c y+c
February 18, 2013

Algebra
Divide x^3y^2 xy^5 __________ / _________ x^2-3x-18 x^2-x-30
February 18, 2013

Algebra
Divide x^3y^2(x^2-3x-18)/xy^5(x^2-x-30)
February 18, 2013

Algebra
Multiply 16-n^2 n^2-7n-30 _________ __________ n^2-5n-36 * n^2-n-12
February 18, 2013

Algebra
Multiply 5a^3+4a^2 8b^6-6ab^6 _________ * __________ 6ab-8b 5a^2+4a
February 18, 2013

Algebra
Solve for y 9x-y=4
February 16, 2013

Algebra
6x+5 _____= x+5 6
February 16, 2013

Algebra
1-y^2 __________ y^2-4y-5
February 16, 2013

Algebra
{27a^4b^3} {66x^6y^6} ________ *_________ {22x^3y^3} {36a^6b^3}
February 16, 2013

Algebra
Write the binomial 1 − 27b3 as the difference of cubes.
February 14, 2013

Algebra
thsnk you steve
February 13, 2013

Algebra
Multiply {x^2+x-6} * {x^3y} _______ _________ {xy^2 } {x^2+6x+9}
February 13, 2013

Algebra
Divide {6x^3y^6} / {24x^4y^3} _______ _________ {16a^4b^2} {14a^7b}
February 13, 2013

algebra
Divide 6x^3y^6 / 24x^4y^3 _______ _________ 16a^4b^2 14a^7b
February 13, 2013

Algebra
Multiply. x^2+x-6 * x^3y _______ _________ xy^2 x^2+6x+9
February 13, 2013

algebra
Simplify. 2x^3-2x ________ 7x^3-14x^2+7x
February 13, 2013

Algebra
Simplify 1-y^2 ____________ y^2-4y-5
February 13, 2013

ALGEBRA
9x^2y 12xy^3
February 12, 2013

Algebra
On a map, two cities are 3 3/8 in. apart. If 3/8 in. on the map represents 45 mi, find the number of miles between the two cities. mi
February 12, 2013

Algebra
Solve for x. x − 8y + 8 = 0
February 12, 2013

Algebra
9x − y = 4
February 12, 2013

Algebra
5a^2b^2-10ab^2+25b^2
February 5, 2013

Algebra
how do you solve a^2-3a=0
February 5, 2013

Algebra
-3y^3+24y^2-36y
February 5, 2013

Algebra
ab^2+8ab-9a
February 5, 2013

Algebra
z^2+17z-60
February 5, 2013

Algebra
14z2 + 81z − 9
February 5, 2013

Algebra
5a2b2 − 10ab2 + 25b2
February 5, 2013

Algebra
y3 + 64
February 5, 2013

Algebra
As long as x is not zero, x0 is defined to be equal to . Using this definition, 30 = , (7x4)0 = , and −5x0 =
February 4, 2013

algebra
45x^2+42x+9
February 4, 2013

Algebra
35-2z-z^2
February 4, 2013

Algebra
a^-2a=48
February 4, 2013

Algebra
The sum of the squares of two consecutive positive even integers is one hundred sixty-four. Find the two integers.
February 4, 2013

Algebra
y^4-10y^3+21y^2
February 4, 2013

algebra
(a-3)(a+7)=-9
February 3, 2013

algebra
5y(y+7)=7(y+7)
February 3, 2013

Algebra
(a-3)(a+7)=-9
February 3, 2013

Algebra
14z^2+81z-9
February 3, 2013

Algebra
The height of a triangle is 8 m more than twice the length of the base. The area of the triangle is 32 m^2. Whats the height of the triangle
January 30, 2013

statistics
Then, for the following two examples, determine the null and alternative as well as state which one represents the claim. State what type of test will be completed: left-tailed, right-tailed, or two-tailed. The average score of the first exam for the class is an 81%.Claim 2: ...
December 16, 2012

business planning
a sentence describing a service with the word eminence.
April 1, 2011

HCS 310
ORGANIZATION AL ANALYSIS · Select one public sector not-for-profit health agency within the United States health care system. · Prepare a 1,050-1,400 word paper in APA format describing the type of health organization: government, quasi-government, or voluntary. ...
May 7, 2010

arithmetic
what is the explicit formula of the sequence 3,1,-1,-3,-5
February 4, 2010

health
A healthful diet and regular exercise not only improves health, but lowers health care costs.
January 25, 2010

8th grade
i believe so check with your parents and ask them but im pretty sure it does
October 27, 2008

algebra
6(x+1)=12(x-3)
August 11, 2008

chemistry
A thin apron is used in dental offices to protect patients from harmful xrays. If the sheet measures 75.0 cm by 55.0 cm by .10cm and the density of lead is 11.3 g/cm3 what is the mass of the apron in grams?
March 7, 2007

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