Thursday
October 2, 2014

Posts by Robert


Total # Posts: 824

math
what is the gcf of 8x squared y, 12x to the fourth y to the fourth, and 20x cubed? a)8x squared y b)4x squared y c)8x squared d)4x squared I don't have an answer. The gcf is 4. I think the answer is either b and d. Which one is it?
January 31, 2008

math
A figure is transformed into a new figure by being rotated 180 degrees, translated left 6 units, and dilated by a factor of 4. How are the old and new figures related? a)both congruent and similar b)congruent but not similar c)similar but not congruent d)neither similar and ...
January 31, 2008

math
A crated full of sugar cubes has a volume of 3 cubic ft. The volume of each sugar cube is 0.5 cubic inch. How many cubes are in the crate? a)432 b)1728 c)5184 d)10368 I need help with this question.
January 31, 2008

math
Simplify the expression (x to the fourth power times x cubed)squared/x to the 4. a)x b)x to the fifth c)x to the tenth d)x to the 20 I kind of confused. I tried to divide by 4, but i couldn't get anything. I need help?
January 31, 2008

math
Which is equivalent to the expression (a squared + a to the fourth power) to the 0 power? a)0 b)1 c)a to the 6 power d)a to the eigth power I got answer a by adding 2 and 4 and multiplying it by 0. Is this right?
January 31, 2008

math
Boris gets paid an 8% commission on every car he sells. Last week, he made a commission of $1240. What was the price of the car he sold? a)15500 b)15000 c)12500 d)1550 I got answer a by dividing 1240 by .08. Is this right?
January 31, 2008

math
there is 51 students in the gym class and they are picking captains and there is one left and the teams have to be even so where does the last one go
January 29, 2008

chemistry
how to know clarify if the subtance is polar or nonpolar?
January 27, 2008

Linguistics
Hi I am looking for examples of voiceless/voiced words for the following places and manner of articulation: bilabial / nasal; alveolar/lateral; velar/stop plosive; velar/nasal; alveolar/stop plosive; post-alveolar/gliding; dental/friction; labiodental/friction; alveolar/nasal...
January 24, 2008

math
Solve this : (8x^3 ) - (168x^2) + ( 864x) = 1120 please >>>>>>>>>> I need it >>> please
January 21, 2008

math
finding the area of a submaine if it is 4.5m * 2.3m
January 14, 2008

math
How do you find the area of something?
January 14, 2008

science I REALLY NEED HELP
Say a submaine has an area of 4.5m X 2.3m and it is 304.8m below sea level. And that the density of the seawater is 113.4 kg/m2 what is the pressure exerted on the submaine by the water above it?
January 14, 2008

math
Are the possible values 5 and 6?
December 27, 2007

math
Susie designed an excersise program for herself. One part of the program requires her to walk between 25 to 30 miles each week. She plans to walk the same distance each day five days a week. What is the range of miles that she should walk each day? Write and solve a compound ...
December 27, 2007

math
Is h>-1?
December 27, 2007

math
1>2h+3>-1 1>2h+3 2h>2 h>1 2h+3>-1 2h>-4 h>-2 Is this right?
December 27, 2007

math
9250 </= x </= 10750 is the answer?
December 27, 2007

math
the crowd that heard the president speak was estimated to eb 10000 people. the acyual crowd could be 750 people more or less than this. What are the possible values for the actual crowd size? Write and solve a compund inequality that rpresent it and graph the solution. I think...
December 27, 2007

math
is the second queston right?
December 26, 2007

math
no one is answering.
December 26, 2007

math
Solve the compund inequality and graph the solution. -4<t+2<4 First I did t+2>-4 and I got t>-2 and I did t+2<4 and i got t<2. Then I graphed it and I dot an open dot on 2 and -2. Is this right? -1<1/2x<1 I did 1/2x>-1 and i got x>-2 and i did 1/...
December 26, 2007

math
is the second question right?
December 26, 2007

math
-6<9+3y<6 9+3y>-6 y>-5 9+3y<6 y<-1 On a number line, dot -1 and -5. Is this right? 3f>15 or 2f<-4 15>3f f>5 2f<-4 F<-2 Is this right?
December 26, 2007

math
Solve the compund inequality and graph the solution. -4<t+2<4 First I did t+2>-4 and I got t>-2 and I did t+2<4 and i got t<2. Then I graphed it and I dot an open dot on 2 and -2. Is this right? -1<1/2x<1 I did 1/2x>-1 and i got x>-2 and i did 1/...
December 26, 2007

math
when you're rotating a trapezoid that's in quadrant 4 90 degrees, does the trapezoid goes in quadrant 2 and the coordiantes switch? also, does the trapezoid goes in quadrant 1 when rotating 180 degrees This is my answer? Is this right?
December 11, 2007

math
I think that's the answer. Is this right?
December 11, 2007

math
I really need an answer!Why are no one answering?
December 11, 2007

math
when you're rotating a trapezoid that's in quadrant 4 90 degrees, does the trapezoid goes in quadrant 2 and the coordiantes switch? also, does the trapezoid goes in quadrant 1 when rotating 180 degrees? I really need an answer!!!!!!!
December 11, 2007

math
no one's answering.
December 11, 2007

math
when you're rotating a trapezoid that's in quadrant 4 90 degrees, does the trapezoid goes in quadrant 2 and the coordiantes switch? also, does the trapezoid goes in quadrant 1 when rotating 180 degrees?
December 11, 2007

math
so which one is the radical form?
December 10, 2007

math
for the first question, can the answer be 9 and 7?
December 10, 2007

math
so what is the radical form?
December 10, 2007

math
Solve each equation and leave the answer in simplest radical form. x squared+6x-9=0 n squared-2n+2=5 3y squared-4y-2=0 I never learned how to do this. Can you help me?
December 10, 2007

math
how do you simplify radical expressions?
December 10, 2007

math
no one is answering the question?
December 10, 2007

math
how do you simplify radical expressions?
December 10, 2007

math
After a triangle is rotated 180 degrees, its vertices are at (-4,1),(-1,4), and (-5,-8). What were the coordinates of the vertices before the rotation? I think the answer is (1,-4), (4,-1),(8,-5). In rotation, the coordinates get switched. All I just did was switch the numbers...
December 1, 2007

math
After a triangle is rotated 180 degrees, its vertices are at (-4,1),(-1,4), and (-5,-8). What were the coordinates of the vertices before the rotation? I think the answer is (1,-4), (4,-1),(8,-5). Is this right?
December 1, 2007

math
After a triangle is rotated 180 degrees, its vertices are at (-4,1),(-1,4), and (-5,-8). What were the coordinates of the vertices before the rotation? I think the answer is (1,-4), (4,-1),(8,-5). Is this right?
December 1, 2007

English (Does this sentence make sense?)
I like your way of phrasing things better. It flows a lot better. Thank you.
November 24, 2007

English (Does this sentence make sense?)
17 years later, 150 pounds heavier and 5 ½ feet taller, I have gotten used the American way of things, living the majority of my life California and Seattle, Washington. Does that make sense? I get a fragment line on Word. Thank you for your help.
November 24, 2007

Medical Coding
What is the ICD-9 Code for uremic neuropathy; neuropathy de to uremia?
November 22, 2007

Medical Coding
What is the ICD-9 code for acute and chronic tonsillitis?
November 22, 2007

Medical Coding
What is the ICD-9 Code for respiratory failure due to myasthenia gravis?
November 22, 2007

Medical Coding
What is the ICD-9 Code for full-thickness defect, skin of right alar. The patient has a history of malignant skin neoplasms?
November 22, 2007

Medical Coding
What is the CPT code for benign secondary Hypertension due to a benign brain tumor?
November 22, 2007

I need help with this math question
Find the weight of the right rectangular prism with length 13 ft, width 6 ft, and height 2.5 ft if the contents weigh 0.02 pounds per cubic inch. I think that the answer is 3.9 by multiplying 6 x 13 x 2.5 x 0.02. Is this right?
November 13, 2007

I need help in math
Are their anyone who online right now who can help me in math?
November 13, 2007

math
Find the weight of a right rectangular prism with length 13 ft, width 6 ft, and height 2.5 ft if the contents weigh 0.02 pounds per cubic inch. I think it's 31.2 but I'm having doubts. Can you help me?
November 13, 2007

math
no one's not replying.
November 13, 2007

math
Find the weight of the contents of a right rectangular prism with length 1 ft, width 6 ft, and height 2.5 ft if the contents weigh 0.02 pounds per cubic inch. I think the answer is 31.2. Is this right?
November 13, 2007

math
Find the weight of the contents of a right rectangular prism with length 13 ft, width 6 ft, and height 2.5 ft if the contents weigh 0.02 pounds per cubic inch. I think the answer is 31.2 but I'm not sure. Is this right?
November 13, 2007

math
how did you get that?
November 13, 2007

math
is it 157.1?
November 13, 2007

math
A ball rolls along a circle whose radius is 2 ft. How far does the ball roll if it goes around the circle 12.5 times? I got 25 ft as my answer. I just multiplied the two numbers and I got 25. Is this right?
November 13, 2007

math
Find the total distance slong the longer sides of the rectangle and along the two semicircles. The length is 10 and the height is 4. I think the answer is 32.6 but I'm not sure if it's right. Is it right?
November 13, 2007

Science - Biology - Ecology
who this this?
November 12, 2007

Science - Biology - Ecology
I desperately need help on the iron hypothesis and related facts: Where are HNLC waters found and why? (a map would be nice) What is the fate of the organic carbon fixed by photosynthesis in the deep ocean? How does iron enter the ocean eco-system? What is role of silicic acid...
November 12, 2007

Math102
If x varies directly as y and y varies inversely as the square of z. How is x varies with z?
October 24, 2007

Chemistry
Question: All enzymes are specific to a single substrate chemical. That is, an enzyme will catalyze reactions of one molecule only.
October 24, 2007

Chemistry
True or false? All enzymes are specific to a single substrate chemical. That is, an enzyme will catalyze reactions of one molecule only.
October 24, 2007

chemistry
part a) 0.187/35.453 = 5.27 x 10^-4 moles of Cl part b) 50 ml = .05 l part a divided by part b = 1.05 x 10^-2 M
October 23, 2007

Chemistry
Never mind, I got it: 100 grams of ice times 333 J/g = 33.3 kJ of heat to melt all the ice. Next, raising temperature of liquid, so 100 g *4.184 J/g *50= 20.92 kJ Thus A is best answer
October 23, 2007

Chemistry
1)54.2 kJ 2)33.3 kJ 3)54,220 kJ 4)20.9 kJ Those are possible answers... Which is it?
October 23, 2007

Chemistry
Calculate the enthalpy change when 100. g of ice at 0.0 °C is heated to liquid water at 50.0°C. (The heat of fusion for water is 333 J/g.) 1)54.2 kJ 2)33.3 kJ 3)54,220 kJ 4)20.9 kJ
October 23, 2007

math
Marla begins walking at 3 mi/h toward the library. Her friend meets her at the halfway point and drives her the rest of the way to the library. The distance to the library is 4 miles. How many hours did Marla walk? First, I set up an equation, 3(h+.5)=4h. Then I simpilified it...
October 23, 2007

math
Fred begins walking toward John house at 3 mi/h. John leaves his house at the same time and walks toward Fred's house on the same path at a rate of 2 mi/h. How long will it be before they meet if the distance between the houses is 4 miles? First, I set up an equation, 3h+...
October 23, 2007

math
At 10:00 AM, a car leaves a house at a rate of 60 mi/h.At the same time, another car leaves the smae house at a rate of 50 mi/h in the opposite direction. At what time will the cars be 330 miles apart? I tried to make a equation, 50h+60h=330. I divided 330 by 110. so, I got h=...
October 23, 2007

math
At 10:00 AM, a car leaves a house at a rate of 60 mi/h.At the same time, another car leaves the smae house at a rate of 50 mi/h in the opposite direction. At what time will the cars be 330 miles apart? I tried to make a equation, 50h+60h=330. I divided 330 by 110. so, I got h=...
October 23, 2007

chemistry
Calculate the enthalpy change when 50. g of ice at -30.0 °C is heated to completely melt to liquid water at 0.0°C. (The heat of fusion for water is 333 J/g.)
October 23, 2007

Calculus
67. dy/dx = 0 Would it be all the points of the function.
October 8, 2007

Calculus
55. Find an equation of the tangent line to the graph of f(x) =x^3 - 2x + 1 a) at (2,5); b) at (-1,2); c) at (0,1). I believe the answers are: a) y= (3/2 x) - (3/2) b) No solution c) No solution For each function, find the points on the graph at which the tangent line is ...
October 8, 2007

Maths
bobpursley have I got the answer right to this sequence question 3n - 1 answer 2,5,8,11,14,
September 27, 2007

Maths
bobpursley is this the correct answer to the sequences question 3n-1 Answer 2, 5, 8, 11, 14,
September 27, 2007

Maths
The Full question is Write down the first five terms for these rules a) 2n + 2 b) 3n - 1 c) 10n + 6
September 27, 2007

Maths
Could somebody help me with this Maths squence 2N + 2, 3N - 1 , 10N + 6
September 27, 2007

English
Is this puncuated correctly
September 23, 2007

English
On his way home from school, Tom found a bag on the ground. "Is this yours?" he asked Tara. "No, it's not my bag! I left mine at school. I think it might be Emma's bag, because hers is blue and green." Tom laughed and said, "You may be right, ...
September 23, 2007

English
Could you Please help me punctuate this paragraph. on his way home from school tom found a bag on the ground is this bag yours he asked tara no its not my bag I left mine at school I think it might be emma's bag because hers is blue and green tom laughed and said you may ...
September 23, 2007

Math, Still Need Help!
Ok, This is the question: The attendance at a baseball game was 400 people. Student Ticket cost $2 and adult tickets cost were $3. Total Ticket Sales were $1050. How many tickets of each type were sold? This is what I did: 2x+400=1050 -400=-400 ----------- 2x=650 x=325 3y+400=...
September 22, 2007

Math
Ok, I'm really confused. Where did you get 800? I don't really understand. Is it like this: 2(S+A)=400 2S+SA=800 Is this right? If so, what do I do after this?
September 22, 2007

Math
The attendance at a baseball game was 400 people. Student Ticket cost $2 and adult tickets cost were $3. Total Ticket Sales were $1050. How many tickets of each type were sold? Ok, this is what I did: 2x+400=1050 -400=-400 ----------- 2x=650 x=325 3y+400=1050 -400=-400...
September 22, 2007

math
The Rossi family wants to install new tiles on the floor on their kitchen. The tiles they plan to use are 3 in x 3 in squares. The floor space to be covered is shown in the diagram below with measurements given in feet. How many square tiles will the Rossi family need to cover...
September 10, 2007

Math (Sorry, Forgot to add Part B)
For Part A: I multiplied 2*3*2= 12 feet Then I multiplied 10*8*2=160 feet Then I divided 35000 by 13 and got 2692.3, then I rounded it to 2, 692. Is this right? Part B: I really don't understand this one. I tried but I just can't get the answer.
September 5, 2007

Math (Sorry, Forgot to add Part B)
The Pleasant Valley Library is moving to a larger building. To get ready for the move, the staff is packing all of the books into boxes. The library owns 35,000 books. On average, each book measures 8 inches by 10 inches by 2 inches. Each box measures 2 feet by 2.5 feet by 1.5...
September 5, 2007

Econ Help
Please help! Trying to study for exam! An article in the New York Times (Oct. 18, 1990) described a successful marketing campaign by the French champagne industry. The article also noted that “many executives felt giddy about the stratospheric champagne prices. But they ...
September 4, 2007

Econ Help
Trying to study for test, don't understand. (3) Suppose that the slope of a curve showing the relationship between the number of burglaries per month (on the vertical axis) and the number of police officers (on the horizontal axis) is –0.60. a. Compute the change in ...
September 3, 2007

Microecon help
Having trouble with this question on study guide. Please Help! (1) An article in the New York Times (Oct. 18, 1990) described a successful marketing campaign by the French champagne industry. The article also noted that “many executives felt giddy about the stratospheric ...
September 3, 2007

Computer (Excel)
This is my assignment (actually a quiz) You work at an accounting firm and you need to design a spreadsheet for a business customer's income and expenses. The business is divided into four departments: Sales, Marketing, Development, and Executive. Each dept. keeps track of...
June 21, 2007

Economics
In the Monetary policy transmission mechanism, explain what could go wrong between the following points 1. Change in the monetary policy and Change in the money supply 2. Change in the money supply and Change in the aggregate demand curve Change in the aggregate demand curve ...
June 12, 2007

Economics
In the Monetary policy transmission mechanism, explain what could go wrong between the following points
June 12, 2007

Palm beach state college
7/63
May 6, 2007

Math
This problem is really confusing, I have been trying and I can't get the answer, can you help me? An Afternoon event was a race through the park. The race started at the point with the coordinates of (2,3). The first turn was at (2,6), the second turn was (6,6) and the ...
May 6, 2007

UNSCRAMBLE 33 letters to make 9 words
kslilokosloitjebnsjiklecow
April 16, 2007

Math
Hi, I really need help on this question, I'm stuck. Lake View Middle School is having elections for Class President. Shawn has received a certain amount of votes. April has 6 more votes than Shawn, and David has 6 times as many votes as April. Michael received 1/2 the ...
April 14, 2007

Psycology
What makes a stressor worse? repetition, repulsiveness, pressure, or exhaustion
March 20, 2007

Calc Help
Find two functions that this could be the derivative of: y'=4x+7 I have one: y=2x^2 + 7x I cant think of another one!! add a constant. Remember that you can add an arbitrary constant to any integral. The derivative will be the same.
March 7, 2007

Calc Limits
lim (1+x)^1/x. Give an exact answer. x->0 This reads: The limits as x approaches zero is (1 plus x) to the 1 divided by x. The log of each term is (1/x) ln (1 + x) = ln (1+x)/x Using L'Hopital's rule for the limit of f(x)/g(x), the limit if the log is lim f'/g&#...
February 16, 2007

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