Thursday
October 23, 2014

Posts by randy


Total # Posts: 353

Chemistry
the heat of fusion water is 335J/g,the heat of vaporization of water is 2.26kJ/g, the specific heat of water is 4.184J/deg/g. how many grams of ice at 0 degrees could be converted to steam at 100 degrees C by 9,574J
April 27, 2012

Ashford University
6 Heavy industry
April 27, 2012

Ashford University
1 Assassination
April 27, 2012

ALGEBRA
Find three ordered pairs that satisfy the equation. y = 5 x + 8
April 26, 2012

ALGEBRA
Fill in the blanks. (Round your answers to the nearest dollar.) Interest Principal Rate Time Future Value $437 $ 5% 8 yr $
April 25, 2012

ALGEBRA
If the principal P = $700, the interest I = $504, and time t = 6 years, find the following. (a) What is the rate? % (b) What is the future value?
April 25, 2012

ALGEBRA
If the principal P = $500, the rate r = 5 1 2 %, and time t = 1 year, find the following. (a) What is the amount of interest? $ Incorrect: Your answer is incorrect. (b) What is the future value?
April 25, 2012

ALGEBRA
Consider the following expression. \(x + 2 y - 2 z\) - (x - 2 y + 2 z) (a) Simplify the expression.
April 25, 2012

ALGEBRA
Solve the system. $ \left\{ \begin{tabular}{l} $ y = x + {\color{red}-3} $ \\ $ y = -{\color{red}2} x + {\color{red}9} $ \end{tabular} \right. $ x = y =
April 25, 2012

ALGEBRA
Solve the equations by finding the exact solution. (a) (1)/(3) x - 1 = 1 x = (b) (1)/(3) log\(x\) - log\(10\) = 1
April 25, 2012

ALGEBRA
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 multiplied by 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.) M =
April 25, 2012

ALGEBRA
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.) x^2+9 x+20
April 25, 2012

ALGEBRA
Graph the following first-degree inequality in two unknowns. $$ y > {\color{red}2} x - {\color{red}2} $$
April 25, 2012

ALGEBRA
Find the functional values requested in the problem. h(x)=3 x-1 (a) h(0) = (b) h(-7) =
April 25, 2012

ALGEBRA
Solve the exponential equation. Give the exact value for x. (Express all logarithmic functions in terms of ln(x) in your answer.) text((a) ) e^x = 10 x = text((b) ) e^x = 2.0 x = text((c) ) e^x = 37.9 x =
April 25, 2012

ALGEBRA
Graph the equation. x = -6
April 25, 2012

ALGEBRA
(log\(A\))/(log\(B\)) = (ln\(A\))/(ln\(B\)) (log_b\(A\))/(log_b\(B\))=log_b\((A)/(B)\) text(In )log_b\(N\), text( the exponent is )N. text(If ) log_1.5\(8\)=x, text( then ) x**(1.5) =8. log\(500\) text( is the exponent on ) 10 text( that gives ) 500.
April 25, 2012

ALGEBRA
The product of two consecutive positive even numbers is 528. What are the numbers? (Enter solutions from smallest to largest.) and
April 25, 2012

ALGEBRA
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 6<=5 - y
April 25, 2012

ALGEBRA
Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.) x2 - 5x + 5 = 0 x = x =
April 25, 2012

ALGEBRA
Write the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places). log_(7) \(80\)
April 25, 2012

ALGEBRA
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. text((a) ) ln\(3\)-2ln\(4\)+ln\(8\) text((b) )ln\(3\)-2ln\(4+8\) text((c) )ln\(3\)-2(ln\(4\)+ln\(8\))
April 25, 2012

ALGEBRA
Use the definition of logarithm to simplify each expression. text((a) )log_(3b) \(3b\) text((b) )log_(4b) \((4b)^6\) text((c) )log_(7b) \((7b)^(-11)\)
April 25, 2012

ALGEBRA
The velocity v (in feet per second) of a rock dropped into a well is related to time (in seconds) by the formula v = 32t. What is the velocity of the rock at the indicated instant? Write your answer in the form (t, v). (a) when the rock is released ( , ) (b) after 9 seconds
April 25, 2012

chemistry
the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 12.09 g of...
April 24, 2012

chemistry
the heat of fusion of water is 335 J/g. How much heat would be required to melt 97.8 g of ice
April 24, 2012

chemistry
the heat of vaporizaton of water is 2.26kJ/g. How much heat is needed to change 4.2 g of water to steam.
April 24, 2012

chemistry
the heat of vaporization of water is 2.26kJ/g. how much heat is needed to change 2.55 g of water to steam?
April 20, 2012

Chemistry
What mass of ammonia is produced when 1.73 L of nitrogen (STP)react completely in the following equation? N2 + H3 > 2NH3
April 17, 2012

Chemistry
what volume of ammonia gas will be produced when 8.01 L of hydrogen react completely in the following equation. N2 + 3H2 > 2NH3 this stuff is so confusing because one little word seems to change the entire process for solving.
April 17, 2012

Chemistry
what volume of ammonia gas will be produced when 1.26L of nitrogen react completely in the following equation? N2 + 3H2 > 2NH3 Please if someone can just give me the order of operation it will be much appreciated because chemistry is just not my forte.
April 16, 2012

Chemistry
What mass of oxygen is consumed when 1.73L of carbon dioxide (STP) are produced in the following equation. C4H8 + 6 O2 > 4 CO2 + 4 H2O please help and show your work. My answer for this problem is 11.12g/O2. I have no confidence in my answer.
April 16, 2012

Chemistry
What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation. 2CO + O2 > 2CO2 please show your work I'm having trouble with Gas Stoichiometry.
April 16, 2012

ALGEBRA
3x2 = 17x + 6
April 16, 2012

ALGEBRA
Solve the equations. ((a) ) (2 L)/(5) = 2 L = ((b) ) 4 = (4 M)/4 + 8 M =
April 16, 2012

ALGEBRA
Consider the following expression. 3(x - 2) - 9(x**2 + 7 x + 4) - 5(x + 8) (a) Simplify the expression.
April 16, 2012

ALGEBRA
The Greek God Zeus ordered his blacksmith Hephaestus to create a perpetual water-making machine to fill Zeus' mighty chalice. The volume of Zeus' chalice was reported to hold about one hundred and fifty sextillion gallons (that is a fifteen followed by twenty-two zeros...
April 16, 2012

ALGEBRA
Evaluate the given expressions (to two decimal places). (a) ) log((23.0) (b) ) log_(2) \(128\) (c) ) log_(9) \(1\)
April 16, 2012

ALGEBRA
Use the definition of logarithm to simplify each expression. (a) )log_(3b) \(3b\) ((b) )log_(8b) \((8b)^6\) (c) )log_(10b) \((10b)^(-13)\)
April 16, 2012

ALGEBRA
Evaluate the given expressions (to two decimal places). (a) log((23.0) ((b) log_(2) \(128\) text((c) ) log_(9) \(1\)
April 16, 2012

ALGEBRA
(a) Write the expression in terms of natural logarithms. (Express all logarithmic functions in terms of ln(x) in your answer.) log_(8.5) \(127\) = Give a calculator approximation (correct to four decimal places). log_(8.5) \(127\) ~=
April 16, 2012

ALGEBRA
Select all statements that are true. (log_b\(A\))/(log_b\(B\))=log_b\(A-B\) (If ) log_1.5\(8\)=x, text( then ) x**(1.5) =8. log\(500\) text( is the exponent on ) 10 text( that gives ) 500. text (In )log_b\(N\), text( the exponent is )N. text( If ) 2log_3\(81\)=8, text( then ) ...
April 16, 2012

ALGEBRA
Find a simplified value for x by inspection. Do not use a calculator. (a) log5(25) = x (b) log2(16) = x
April 16, 2012

ALGEBRA
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. text ((a) ) ln\(3\)-2ln\(4\)+ln\(8\) ((b) ln\(3\)-2ln\(4+8\) (c) )ln\(3\)-2(ln\(4\)+ln\(8\))
April 16, 2012

ALGEBRA
Solve the equations by finding the exact solution. ln\(x\) - ln\(9\) = 3
April 16, 2012

ALGEBRA
Solve the equations by finding the exact solution. (a) 1 = x - 1 (B)
April 16, 2012

ALGEBRA
ln\(e\) = ln\( sqrt(2)/x \) -ln\(e\)
April 16, 2012

ALGEBRA
(1)/(2) log\(x\) - log\(10000\) = 4
April 16, 2012

ALGEBRA
Solve the equations by finding the exact solution. ln\(x\) - ln\(9\) = 3
April 16, 2012

ALGEBRA
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 multiplied by 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)
April 16, 2012

ALGEBRA
Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.21 multiplied by 10-6 watts/cm2
April 16, 2012

ALGEBRA
6y + 11x = -9 (a) Solve the equation for y. (Do not use mixed numbers in your answer.) y =
April 12, 2012

ALGEBRA
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 9-x>=4 x + 34
April 11, 2012

ALGEBRA
Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 3<=1 - y
April 11, 2012

ALGEBRA
Factor the expression by using areas. x^2+2 x-8
April 11, 2012

ALGEBRA
x2 - 5x + 5 = 0
April 11, 2012

ALGEBRA
Solve the equation. 2(W + 4) - 3(W + 2) = 0
April 11, 2012

ALGEBRA
text((a) ) (4 L)/(5) = 3 L = Incorrect: Your answer is incorrect. text((b) ) 3 = (4 M)/4 + 11
April 11, 2012

ALGEBRA
Let x = 1, y = 3. Find the value of the given capital letter. N = x**2 + 2 xy + y**2 + 3
April 11, 2012

ALGEBRA
6y + 11x = -9 (a) Solve the equation for y. (Do not use mixed numbers in your answer.) y =
April 11, 2012

ALGEBRA
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.) x^2-5 x-6
April 11, 2012

ALGEBRA
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.) x^2+17 x+70
April 11, 2012

Chemistry
a 3.67L flask is filled with carbon monoxide at 27 degrees C until the pressure is 1.27 atm. Calculate the total pressure after 3.42 moles of carbon dioxide has been added to the flask. (R=0.082 L-atm/K mol)
April 11, 2012

ALGEBRA
$$ x = \dfrac{1}{{\color{red}2}} y^2 $$
April 10, 2012

ALGEBRA
Assume f(x) = x2 + 3. Find the functional value requested. f(-7) =
April 10, 2012

ALGEBRA
Find three ordered pairs that satisfy the equation. y = x + 2
April 10, 2012

Chemistry
Calculate the partial pressure of helium in a 1.00 L flask that contains equal numbers of moles He, Ne, and Ar at a total pressure of 5.26atm
April 10, 2012

chemistry
Calculate the partial pressure of propane in a mixture that contains equal numbers of of moles of propane (C3H8) and butane (C4H10) at 20 degrees C and 844 mmHg. (R=0.082 L-atm/K mol)
April 10, 2012

ALGEBRA
Find three ordered pairs that satisfy the equation. y = 5 x - 4 (0, ), (1, ), (2, )
April 10, 2012

ALGEBRA
Assume f(x) = x2 + 3. Find the functional value requested. f(-7)
April 10, 2012

algebra
Find three ordered pairs that satisfy the equation. y = x + 2
April 10, 2012

Trig.
What is the trigonmetric fact for sin 3.14/8?
April 5, 2012

Algebra II
if y varies directly as x, if y=80 when x=32, find x if y=100
March 22, 2012

math
A student invests two sums of money at 3% and 4% interest, receiving a total of $110 in interest after 1 year. Twice as much money is invested at 4% than at 3%. Find the amount invested at each interest rate. Where do I even begin with this?
March 13, 2012

Geometry
An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. What is the angle of elevation? 1 mile = 5,280 ft
February 29, 2012

math - integers
5. Robert, a real estate agent, drove 170 kms north from his home. The following day, he drove 54 kilometers south. How far and in what direction did he have to drive to get back home?
February 7, 2012

math - integers
4. The temperature is falling 3 degrees per hour. How many degrees has it fallen altogether from 12 noon to 12 midnight?
February 7, 2012

math - integers
3. Arlan and Bryan started driving from the same place. Arlan drove at an average speed of 55 kph, Bryan drove at an average speed of 65 kph. How far apart were the after 2 hours?
February 7, 2012

math - integers
2. One Saturday morning, Liza jogged 15 blocks from her house and then decided to go back 5 blocks by the same road. How many blocks away is she from her house?
February 7, 2012

math - integers
1. Freddy lives 34kms south of Makati City while Misael lives 34kms north of Makati City. How far is Freddy's place from Misael's place?
February 7, 2012

math
what is the length of a diagonal of a square whose side measures 6cm.?
January 28, 2012

geometry
if I want a ramp with a 30 foot length, and a 5 percent up grade starting at 0, how high will the tall end be?
January 27, 2012

math
what is the length of a diagonal of a square whose side measures 6cm.?
January 27, 2012

math
the absolute value of an integer is always greater than the integer. True or False?
January 27, 2012

math
what is the length of a diagonal of a square whose side measures 6cm.?
January 27, 2012

geometry
The altitude of an equilateral triangle is 7 square root 3 units long. The length of one side of the triangle is ____ units. 7 14 14 square root 3 7 square root 3 over 2
January 17, 2012

geometry
Ray OX bisects angle AOC and angle AOX =42 degrees, angle AOC is: 42 degrees 84 degrees 21 degrees 68 degrees
January 17, 2012

math
Ray OX bisects angle AOC and angle AOX =42 degrees, angle AOC is: 42 degrees 84 degrees 21 degrees 68 degrees
January 16, 2012

geometry
The altitude of an equilateral triangle is 7 square root 3 units long. The length of one side of the triangle is ____ units. 7 14 14 square root 3 7 square root 3 over 2
January 16, 2012

math
find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long.
January 10, 2012

math
a rectangle has a perimeter of 22cm and an area of 30 cubic meter. what are its dimensions?
January 8, 2012

math
2. the volume of a rectangular solid is 5376 cubic meters, and the base is 24 meters by 16 meters. find the height of the solid.
January 8, 2012

math
1. find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long.
January 8, 2012

math
the inner circumference of a ring is 1.2pi cm. the outer circumference of the ring is 2pi cm. find the area of the region bounded by the outer and inner circumference.
January 8, 2012

math
4. the area of a rectangle is 450 m^2. both the length and width of the rectangle are increased by 10%. what is the area of the new rectangle?
January 8, 2012

math
1. find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long. 2. the volume of a rectangular solid is 5376 cubic meters, and the base is 24 meters by 16 meters. find the height of the solid. 3. a rectangle has a ...
January 7, 2012

math
a square pyramid has an altitude measuring 5 cm and a side of its bases measuring 6 cm. find the lateral area of the pyramid.
January 7, 2012

Calc
Suppose 4y + xy = 2. Evaluate d^2x/d2^y at the point (-3, 2).
December 28, 2011

ALGEBRA
Suppose the modified quota is 8.57. Fill in the blanks, and round your answers to two decimal places.
December 18, 2011

Chemistry
:::F-N:-F::: -H
November 21, 2011

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