Friday
September 30, 2016

Posts by tammy

Total # Posts: 657

Chem
20degree C solubility-22g CuSO4/100g H2O @ 20 degree C is 30g CuSO4/150g H2O saturated or un saturated?
December 8, 2011

chemistry
something connects a 16 resistor, 23 resistor, and 34 resistor in series and then connects the arrangement to a 36 v dc source. how much current is in the circuit?
December 3, 2011

Chem
if salt has the solubility product expression Ksp={Br3+}2{S2-}3 what is the equilibrium equation for the solubility?
December 3, 2011

Chem
@20 degree solubility-22g Cu SO4/100g H2O @ 20 degree C is 6g Cu SO4/25 g H2O saturated?
December 2, 2011

Chemistry
20 degrees C is 6 g Cu So4/25 g H2O is this saturated or unsaturated?
December 2, 2011

physics
a sailor pulls a boat along a dock by a rope held at an angle of 55.5 with the horizontal. How much work is done if the sailor exerts a force of 345 N on the rope and pulls the boat 23.8 m?
December 1, 2011

chemistry
When potassium chlorate is heated, it decomposes into potassium chloride and oxygen in the reaction 2KCIO3 -> 2KCI + 3O2. How much oxygen is liberated when 50 g of potassium chlorate is heated?
November 26, 2011

college allgebra
find only rational zeros f(x)=x^5-9x64+21x^3+11x^2-100x=100
October 29, 2011

Science
The biochemical conversion of Glucose, C6H12O6, into pyruvic acid, C3H4O3, is an important step in the TCA (Kreb’s) cycle which forms a part of the metabolic breakdown of glucose (to produce energy). C6H12O6 (s) + O2 (g) → 2C3H4O3(l) + 2H2O (l) glucose oxygen ...
October 22, 2011

maths
in a number of tests juan scored 42,54,63,42,78.What is the median mark
October 10, 2011

Physics
Hi Bob, Thank you for responding so quickly. And sorry to hear about your allergies. They are not fun! The exact question was : normalize the following functions in the interval 0 to infinity: a) e^-5x. The answer my instructor has is 10^1/2 e ^-5x as the answer but I don'...
September 16, 2011

Physics
Can someone please show me step by step how to normalize e^-5x in the interval (0, infinity)? I have read a lot of different books etc but need it explained to me in plain English or showed to me step by step because I am just not getting it. Thank you
September 16, 2011

english
find the oject and preposition in this sentence. a chimney sweep uses a long brush to clean soot from the inside of a chimney.
September 14, 2011

Biology
is the reaction of calcium chloride with sodium carbonate ionic or covalent
September 13, 2011

Physical chemistry
help! I am trying to figure out how to convert from equation one to equation two. I have spent two hours on this and cannot figure it out. I would greatly appreciate if someone could help me out on this. Equation1: v= sqr root (3RT/M) with R being the molar gas constant, M ...
August 29, 2011

ETH/125 - CULTURAL DIVERSITY
List two to three characteristics of Orientalism. How may Orientalism and prejudice contribute to hate crimes against these groups?
August 24, 2011

algebra
If a baseball player hits a homerun and runs the bases, what is his displacement?
August 23, 2011

algebra
Thank you for you answer Ms Sue.
August 21, 2011

algebra
Iam wanting help i do not want you to do it for me. I just needed it broken down in order to answer Thank you for your help.
August 21, 2011

algebra
3. Moving Costs Moving company A charges $80 plus $55 an hour to move households across town. Moving Company B charges $75 an hour for cross-town moves. For what lengths of time is Moving Company B more expensive than Moving Company A? Write an inequality and solve for time t...
August 21, 2011

math
at a local restaurant 45% of the customers order spaghetti. Estimate the probability that 6 of the next 10 customers will order spaghetti.
August 18, 2011

history
what were vietcong hideouts?
August 7, 2011

Business Finance
The new credit manager of Kay's Department store plans to liberalize the firm's credit policy. The firm currently generates credit sales of $575,000 annually. The more lenient credit policy is expected to produce credit sales of $750,000. The bad debt losses on ...
August 4, 2011

history
Describe Rosa Parks in one paragraph
July 29, 2011

Algebra
if p-28=10/3(h-5) how in the world do I figure out how many pounds of oranges a 18ft & 20 ft tree would make. I can get this far and just can catch onto the rest. Please help!
July 27, 2011

Social STUDIES
3 1 2 5
July 7, 2011

Math
Which one is a function? {(7,5),(-6,0),(2,3)} {7,-6,2,-7} I think its the first one.
July 7, 2011

Algebra
Factor the following expression completely: 36^3-16x
July 1, 2011

Algebra
Express in terms of i:2√-36
July 1, 2011

Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this: 4x + 4y = -36, 4x + 4y = 12
July 1, 2011

Algebra
If a stone is tossed from the top of a 290 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 290, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest ...
July 1, 2011

Algebra
Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x2 = 3x – 6
June 29, 2011

algebra
if the length of a triangle is 31 find a new parameter if the width is 5 less than one half the length
June 16, 2011

computer science
Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the result.
June 16, 2011

Algebra
write an equation of the line containing the given point and parallel to the given line (2,-4); 8x-3y=2 the equation of the line is y=
June 14, 2011

Algebra
the formula I'm suppose to be using is y-y1=m(x-x1) m=4/5 (7,-8) I don't understand your answer
June 14, 2011

Algebra
Find an equation of the line having the given slope and containing the given point. M=4/5, (7,-8) I can totally due the equation y+8=4/5x-28/5 but keep getting the answer wrong. I cannot figure out how subtracting 8 they get the answer y=4/5x-68/5 PLEASE HELP!
June 14, 2011

statistics
A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300 individuals and calculating the sample mean. Find the probability that the estimate will be in error by less than 5 minutes. Assume that the ...
June 13, 2011

Chemistry
If the reaction below proceeds with a 96.8% yield, how many kilograms of CaSO4 are formed when 5.91 kg SO2 reacts with an excess of CaCO3 and O2? 2 CaCO3(s) + 2 SO2(g) + O2(g) → 2 CaSO4(g) + 2 CO2(g)
June 5, 2011

American Government
The president's constitutional roles,such as chief executive and commander-in-chief:
June 2, 2011

calculus
I need help with this calculus problem. H(S)=S/(1+S) If F 1/2, -1/2 & (a+1)? I can't figure out what this mean /?
May 30, 2011

Com/155
Does this look better? I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The financial class has helped me fully understand my finances. With ...
May 28, 2011

Com/155
I am so confused. Is this correct? extremely, extremely, fully, sparingly = adverb younger, credit, card,much, faster, interest, financial, important, credit = Adjective
May 28, 2011

Com/155
extremely, extremely, fully, sparingly = Adj younger, credit, much, faster, interest, financial, important, credit = Adv
May 28, 2011

Com/155
Can some one check these for correct advebs and adjectives. I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The financial class has helped me...
May 28, 2011

Math
156 x 29/39 x 1/16
May 25, 2011

Math
Thank-You
May 25, 2011

Math
3/17x=12
May 25, 2011

Math
I get... .1q-1.5=0.9q-3.2 .1q-1.5-0.9q=0.9q-3.2-0.9q -.8q-1.5+1.5=-3.2+1.5 -.8q=-1.7 -2.125 Just doesn't look right
May 23, 2011

Math
4.5q-1.5-4.4q=0.9q-3.2
May 23, 2011

physics
A coil with 210 turns, a radius of 5.2 cm, and a resistance of 11 ohms surrounds a solenoid with 160 turns/cm and a radius of 4.6 cm . The current in the solenoid changes at a constant rate from 0 to 6.4 A in 0.11 s. Calculate the magnitude of the induced current in the coil.
May 19, 2011

pharmacy
What patient issues might arise when working in an institutional pharmacy setting?
May 14, 2011

Algebra
-8y+1=-9y+2
May 5, 2011

Math
Thank You
May 5, 2011

Math
x + 5/8 = - 1/4
May 5, 2011

Com 155
To the person who said they should be ashamed: they are not looking for answers, they're just looking for help. No one wrote the answer for them. They just came on here to get a second opinion. This is why people should mind their own business. You have no idea what you&#...
April 22, 2011

accounting
Would like to start a college fund. It was estimated that the cost for college to be 60,000 per year. How much should be deposit into the account each month for 18 years to accumulate a total of 240,000 @ 12% interest earned.
April 21, 2011

Algebra
x+1/6=-2/3 solution set?
April 13, 2011

Math
From an 8 inch by 10 inch rectangular sheet of paper, squares of equal size will be cut from each corner. The flaps will then be folded up to form an open-topped box. Find the maximum possible volume of the box.
April 9, 2011

Chemistry I
iF THE THEORETICAL YIELD IF A REACTION IS 0.121G AND THE ACTUAL YIELD IS 0.112G WHAT IS THE PERCENT YIELD
April 9, 2011

mythology
do the ancient myths provide us with any clues to the rise and fall of large companies such as Enron, Exxon and BP.
April 2, 2011

Math
The length of a rectangle is fixed @ 21 cm, what widths will amke the perimeter greater than 78cm?
April 1, 2011

health
Why risky sex is a serious matter?
March 31, 2011

Health
Development of male genitals before birth is due to what?
March 31, 2011

Physics
Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...
March 29, 2011

Physics
According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a common-sense, non-mathematical explanation of the connection between Newton’s 3rd law and momentum conservation. In other words...
March 28, 2011

Physics
Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...
March 28, 2011

english
Janet left fingerprints on the glass, the detectives were able to solve the crime
March 27, 2011

Physics
Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...
March 26, 2011

Physics
According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a common-sense, non-mathematical explanation of the connection between Newton’s 3rd law and momentum conservation. In other words...
March 26, 2011

Math
a patch of dirt needs 3 5/6 ft of sod to cover it. If Nick decides to cover only 3/4 of the dirt, how much sod does he need?
March 24, 2011

algebra
8x^2 + 5x = 15 + 3x
March 24, 2011

History
Thanks it helped alot. Tammy
March 23, 2011

History
The evolution of the socio-political milieu during the colonial period, including Protestant Christianity's impact on colonial social life. Can any one give me some insite? Tammy
March 23, 2011

History
Does anyone know how to create a timeline tracking the major themes/paradigm shifts in American History. I am not sure what the format for a Timeline. Tammy
March 23, 2011

Pre Algebra
142-187
March 23, 2011

Math
Yes
March 21, 2011

History
I know that the Pertains went to the New World and that the colonization was based on freedom of religion and freedom for the people. But I don't know how the Reformation in Great Britain affected the colonies. Tammy
March 21, 2011

History
How did the Reformation in Great Britain affect the colonization of the New World?
March 21, 2011

math
None of the choices have the right answer
March 21, 2011

History
Why was it so difficult for Great Britain to control the New England colonies?
March 21, 2011

History
How did the Reformation in Great Britain affect the colonization of the New World?
March 21, 2011

maths
Formalize the following english statements as quantified WFF. Let S(x) be the predicate "x is a student," B(x) the predicate "x is a book," and H(x,y) the predicate "x has y, " where the universe of discourse is the universe, that is the set of ...
March 21, 2011

mythology
identify a scholarly article that discusses some aspect of the female divine in contemporary culture
March 20, 2011

Maths
Wonderful, thank you
March 15, 2011

Maths
Two cyclists depart from the same point. One travels due East at 18km/hr while the other travels North-West at 20km/hr. How long will it be before they are 80km apart?
March 15, 2011

maths
Thank you so much for all your help you my friend are a legend! Sorry about the mistakes :0
March 15, 2011

maths
A party of bush walkers have an average speed of 50km/minute and walk for 4 hours on a bearing of 231°T. they then walk for 6(1)/(3) hours on a bearing of 117°T. Find a.How far are they from bas e camp? b. The bearing they must travel along to get to base camp
March 15, 2011

Maths
Thankyou very much
March 14, 2011

Algebra
#1 2/11 + (-5/7)
March 14, 2011

Algebra
Find the area of a rectangle heating-duct grill having a length of 2yd and a width of 17/4yd
March 14, 2011

math
system of equations can result in 3 possibilities: consistent, inconsistent, and dependent. Discuss each of these types of solution that can be generated, and describe the graph of each possibility.
March 13, 2011

math
You have just received advertisements from 2 companies in your area: Greener Lawns and Lawns for Less. Greener Lawns charges an initial fee of $200, plus $50 per hour for labor costs. Lawns for Less charge an initial fee of $300, plus $25 per hour for labor costs. 1. If h ...
March 13, 2011

math
Y/2 + 2 > 7 how do I solve with a fraction?
March 10, 2011

Algebra
Rewrite using distributive property -7(x-7)
March 9, 2011

Algebra
19/21 divided by 4 6/7 give estimate anser & exact answer
March 9, 2011

hcs/335 plz help
Here are some possible answers Age, Mental, Medical and social issues. But most important cost.
March 2, 2011

Math
Use the distributive property to rewrite this expression, then simplify the new expression if possible; -4(z+3)
March 2, 2011

Algebra
Thank You
March 2, 2011

Algebra
write a numerical expression for the phrase & simplify 129 less than -34
March 2, 2011

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