Saturday

June 25, 2016
Total # Posts: 934

**math**

Factor (15a squared bc squared -9a squared b to the fourth c) by finding the gcf. I think the answer is 3abc(5ac-3ab3). I got it because I found the gcf of the coefficents which are 3. I subtracted one from each exponent so, i canceled b from 15a squared bc squared and c from-...
*January 31, 2008*

**math**

A transversal intersects two parallel lines and forms eight angles. Which of the following statements is false? a)alternative interior angles are always congruent. b)corresponding angles are always congruent. c)adjacent interior angles are always supplementary d)exterior ...
*January 31, 2008*

**math**

line xy is translated 3 units to the left. if a point on line xy is located at (2,11), where would the equivalent point be on line X and Y prime? a)(2,14) b)(2,8) c)(-1,11) d)(5,11) I think the answer is c. What I did is move the point 3 units to the left and and subtracted 3 ...
*January 31, 2008*

**math**

so the answer is c?
*January 31, 2008*

**math**

Patrick has a summer job passing out flyers for a store. Each flyer weighs about 0.55 ounce. If he is given a bundle of flyers that weighs 16.5 lbs, how many flyers must he pass out? a)105 b)300 c)480 d)560 I think the answer is b. Is it right?
*January 31, 2008*

**math**

how many fluid ounces are there in 2 gallons of milk? a)256 b)128 c)64 d)8 I think the answer is a. Is it right?
*January 31, 2008*

**math**

line xy is translated 3 units to the left. if a point on line xy is located at (2,11), where would the equivalent point be on line X and Y prime? a)(2,14) b)(2,8) c)(-1,11) d)(5,11) I'm not sure but i think the answer is b or c. am i right?
*January 31, 2008*

**math**

A transversal intersects two parallel lines and forms eight angles. Which of the following statements is false? a)alternative interior angles are always congruent. b)corresponding angles are always congruent. c)adjacent interior angles are always supplementary d)exterior ...
*January 31, 2008*

**math**

factor (15a squared bc squared -9a squared b to the fourth c) by finding the gcf I think the answer is either 3abc(5ac - 3a cubed) or 3a squared bc(5c - 3b cubed) Am i on the right track?
*January 31, 2008*

**math**

is the answer d?
*January 31, 2008*

**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*