Thursday
June 20, 2013

what is an equation?
Sunday, March 27, 2011 at 11:34pm

what is an equation?
Sunday, March 27, 2011 at 11:34pm

2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?
Sunday, March 27, 2011 at 7:42pm

16 1/2 x 33 = is it 792
Sunday, March 27, 2011 at 5:39pm

(3/4) (1/-2) + (5/6) (-1/3)
Sunday, March 27, 2011 at 3:46pm

Sunday, March 27, 2011 at 2:46pm

I use spanishtypeit to do accents so I just said after phrase where I would have put the accent mark-thank you for checking 1.¿Cuál es tu deporte favorito? Mi deporte favorito es al golf. 2..¿Te gusta navegar en el internet? Si, me gusta navegar en el ...
Sunday, March 27, 2011 at 1:14pm

Mr. Smart just bought a new dog named Fluffy. Mr Smart would like to enclose a play space for Fluffy in his back yard. The 5 side play space has the dimensions, in metres. They are x +11, 2x-4,3x. Write a simplified expression for the number of metres of fencing needed to ...
Friday, March 25, 2011 at 7:44pm

A LEVEL LAW
where can we students find the best answers attempted by the highest scorers in past years on A level Law exam? can we get any clear answer structure which helps us know how to attempt an A grade answer?
Friday, March 25, 2011 at 11:57am

Could you check my answers? five-tenths 0.5 five-hundreths 0.05 three-tenths 0.3 three-hundreths 0.03
Thursday, March 24, 2011 at 9:49pm

forty-hundreths four-tenths six-tenths sixteen-hundreths
Thursday, March 24, 2011 at 9:19pm

Tonya's car averages 240 miles for each 10 gallons of gasoline. How many gallons of gasoline will the car need travel 216 miles?
Thursday, March 24, 2011 at 8:39pm

trains begin to stop at terminal b every morning at 5 a.m. and then come every 20 minutes for the next 3 hours. mr success needs 15 minutes to get to terminal b from his house. .if mr. success leaves his house at 7:08 a.m., what is the earliest time he can get the train at ...
Thursday, March 24, 2011 at 8:03pm

Writing
I need help on fixing my paper. Could you grade me on a scale of 1 to 12. The World of Technology Technology, Technology, that’s all we use today. There’s Facebook, Twitter, Myspace, and so many more. My opinion on technology is that I agree because many kids are ...
Thursday, March 24, 2011 at 6:53pm

I'm doing math through correspondence so material is not explained very well. I would appreciate if someone could explain this to me. This lesson is review of set theory and first degree equations. Indicate whether each of the following statements is true or false. If the ...
Thursday, March 24, 2011 at 3:17pm

It tells the location of somethind.It is spesific.Every place on a map has this.What is it?
Wednesday, March 23, 2011 at 8:06pm

math
What does rule mean in second grade math
Wednesday, March 23, 2011 at 6:42pm

math
Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.
Wednesday, March 23, 2011 at 6:05pm

math
Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.
Wednesday, March 23, 2011 at 6:05pm

math
If a 4th grade with 140 students has 3 boys for every 4 girls how many are girls? how many are boys?
Wednesday, March 23, 2011 at 5:49pm

How do I say a ham sandwich or a cheese sandwich? For cheese sandwich is it el sandwich de queso? For ham sanwich is is el sandwich de hamon? I'm not sure how to spell ham
Wednesday, March 23, 2011 at 11:39am

The loudness of sound can be measured in decibels. Do you think loudness is a vector or not? Can you explain why or why not.
Wednesday, March 23, 2011 at 1:01am

Determine the concentration of a calcium chloride solution if 1.75 L of the solution contains 0.125 mol of calcium chloride.
Tuesday, March 22, 2011 at 9:50pm

I am a mom trying to help my child with their math HW. But this question has us stumped. I've seen it posted before but no real explanation was offered. Please provide EXPLANATION, not just answers. Q: Make up a list of data with the following landmarks: Mode: 15 Min: 5 ...
Tuesday, March 22, 2011 at 9:12pm

What is the answer if you have a nail NOT a FINGERNAIL butt A NAIL? What is the nearest cm and what is the neartest mm
Tuesday, March 22, 2011 at 6:46pm

How do I solve this problem: At Carver Elementary, there are 355 students altogether. The School has 25 more female students than males. How many males and females does Carver have?
Tuesday, March 22, 2011 at 5:49pm

I had to make up a conversation between two people ordering in a restaurant-Is this correct? Emily ¿Qué tú deseas comer? Beth: Yo quisiera el puerco con papas y zanahorias. Emily: ¿Y qué tú quieres beber? Beth: Yo quisiera agua para ...
Tuesday, March 22, 2011 at 5:08pm

There are three walls in Jordan’s living room. The three walls, shown here, are 12 feet, 9 feet and 10 feet wide, respectively. Each wall has a height of 8 feet with a 6-inch baseboard along the bottom. The largest of the three walls contains a window that measures 5 feet...
Tuesday, March 22, 2011 at 12:23am

the rectangulr backyard measures 131 feet by 52 feet. the garden measures 13 feet by 9 feet. what is the area of the backyard that will be grass.
Monday, March 21, 2011 at 11:56pm

if you know that AB=0 and A not=to B, what can you say about the equation Ax+By=1? Describe the graph.
Monday, March 21, 2011 at 11:26pm

In Swimming Strokes by Lee Carroll in paragraph 1, how many errors are there in subject-verb agreement, parallelism, and pronoun-antecedent agreement?
Monday, March 21, 2011 at 10:38pm

Find the partial products and the product for 4 x27=?
Monday, March 21, 2011 at 10:36pm

s=5m find the area of square
Monday, March 21, 2011 at 10:33pm

Trying to figure out 19.4(x) = 306.52 (gotta find out what X is
Monday, March 21, 2011 at 7:20pm

math
in each of two different fourth-grade classes, 1/3 of the members are girls. does each class have the same numbers of girls
Monday, March 21, 2011 at 7:12pm

math
in each of two different fourth-grade classes, 1/3 of the members are girls. does each class have the same numbers of girls.
Monday, March 21, 2011 at 5:48pm

How doyou ask if a friend if they are hungry? Tienes hambre? If they are thirsty Tienes sed? Both should have upside down question marks before question
Monday, March 21, 2011 at 2:00pm

math
In each of two different fourth-grade classes, 1/3 of the members are girls, Does each class have the same number of girls.
Monday, March 21, 2011 at 10:58am

Physics
A car moves with a speed v on a horizontal circular highway turn of radius is R = 100. Assume the height of the car’s center of mass above the ground is h = 1 m, and the separation between its inner and outer wheels (car's width) is w = 2 m. The car does not skid (...
Sunday, March 20, 2011 at 4:14pm

english (for Sra) repost
The Lady of Shalott I have two events and have to find the quotation. 1st event The handsome, dazzling figure of Sir Lancelot rides by in his shining armour. The Lady sees him in the mirror and can no longer bear her imprisonment. 2nd event The Lady floats down the river past ...
Sunday, March 20, 2011 at 6:01am

Multiply and divide. 1) -2 4/11(-2) 2) 5 1/7 / 4 1/8
Saturday, March 19, 2011 at 9:57pm

Find a rule that gives the third number from the first two numbers. Fill in the blanks.....10, 4, 5, ? 15, 7,7, ? 19,9,?
Thursday, March 17, 2011 at 11:10pm

algebra
a roof rises 1.3 feet vertically and 13.1 feet horizontally. wgat is the grade of the roof?
Thursday, March 17, 2011 at 5:33pm

Microeconomics
You own the Wizard of Oz on DVD. The opportunity cost of watching this DVD for the second time: A) is zero. B) is one half the cost of the DVD, as this is the 2nd time you have watched it. C) is the value the alternative use of the time you spend watching the DVD. D) cannot be...
Thursday, March 17, 2011 at 10:55am

Albert has a home screen printing business. He has designed a bracelet and T‑shirt for St. Patrick’s Day which both use a special ink, available for a limited time from his supplier. Albert has already begun taking and fulfilling orders for merchandise. Albert ...
Thursday, March 17, 2011 at 2:19am

Another four-leaf clover also consists of 4 coplanar circles. The large circular leaves are externally tangent to each other, as well as to each of the smaller circular leaves, which are also congruent to one another. The radius of the large and small circular leaves is 1 1/2 ...
Thursday, March 17, 2011 at 2:18am

This four-leaf clover consists of four coplanar circles. Each circle is externally tangent to two others, as shown. The two smaller circles are congruent, and the two larger circles are congruent. A square is constructed such that each of its four vertices is also the center ...
Thursday, March 17, 2011 at 2:18am

4/6 of 18 is ?
Thursday, March 17, 2011 at 12:21am

Writing
I need help on adding voice to my writing. I need help on not being repetitive and making my sentences vague. Would you grade me out of 12 points? A valuable item is something that is given to you by a special someone, something that you will have forever to the end. Many ...
Wednesday, March 16, 2011 at 6:45pm

Wednesday, March 16, 2011 at 6:16pm

Wednesday, March 16, 2011 at 6:16pm

Wednesday, March 16, 2011 at 6:16pm

name three solutions of inequality. then graph the inequality on a number line. k<8
Wednesday, March 16, 2011 at 5:38pm

maths
Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ...
Wednesday, March 16, 2011 at 2:21pm

MATH
A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the ﬁrst race with both runners ﬁnishing in the top 6, but then the winner of the ﬁrst ...
Wednesday, March 16, 2011 at 2:18pm

Writing
Can you grade me out of 12 points? Did I have any voice? Proofread my writing. A Valuable Item A valuable item is something that’s given to you by a special someone that you will have forever to the end. Many people have valuable items that they love, that don’t cost...
Tuesday, March 15, 2011 at 9:38pm

English-writeacher
Hey, I just wanted to let you know that I got the grade back for that english paper you helped me write a few weeks back...the movie analysis on A Walk to Remember. I got a B! : ) But I have a chance to revise it according to the teachers comments and turn it in for a better ...
Tuesday, March 15, 2011 at 8:29pm

Statistics
I'm stumped on this question. A teacher informs her history class that a test is very difficult, but the grades would be curved. Scores for the test are normally distributed with a mean of 25 and a standard deviation of 5. If the grades are curved according to the ...
Tuesday, March 15, 2011 at 4:23pm

I just want to get someone's opinion on a question that was on my son's reading test. He's in first grade. Which word has the same beginning sounds as spring. A. spin B. stripe C. spray The answer is C could A not also be an answer. I know the spr in both words but...
Tuesday, March 15, 2011 at 2:50pm

English
My 1st grade son needs to write a paragraph but is having a very hard time grasping the concept. How can I help him with this? He doesn't under stand that the paragraph has to blend/flow and be about the same topic all the way through. What shoudl I do?
Tuesday, March 15, 2011 at 10:10am

Sheila wrote a division story. She asked how may equal groups 24 flowers could be put into. What information must she give about the groups?
Monday, March 14, 2011 at 9:11pm

Which equation represents an inverse variation? A.3x=2y B.2-2x+y=0 C.y squared= x D.xy=5 If you could tell me the anser then explain how you got it that would be awesome!
Monday, March 14, 2011 at 8:13pm

can u exsplain long division to me?
Monday, March 14, 2011 at 8:08pm

Health
in class, we have to do a presentation on something health related . do you think i should talk about where babies come from ? i'm in 6th grade . thanks
Monday, March 14, 2011 at 7:11pm

About how much does a button weigh? 1 gram 100 grams 1 kilogram 10 kilograms Thanks!
Monday, March 14, 2011 at 4:57pm

maths
Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ...
Monday, March 14, 2011 at 3:00am

A hiker shouts toward a vertical cliff 789.5m away. The echo is heard 2.1s later. The wavelength of the sound is 12.3 m. What is the speed of the shout? What is the frequency? What is the period of the wave?
Sunday, March 13, 2011 at 10:00pm

chemistry.
in the titration between Na2CO3 and HCl... 1) at the first end point what reaction is stoiciometrically complete? 2)At the start of titration where HCl=0 is the solution acidic or basic. ExPlain? 3) At the 2nd end point what reaction is stiociometrically complete? 4)Propose a ...
Sunday, March 13, 2011 at 4:44pm

Math
1st grade math worksheet says Write some names for 12, what does this mean?
Sunday, March 13, 2011 at 2:31pm

I have a question about how to answer this If something is dulce, one would probably want to drink lemonade or a sour drink with it. I know dulce is sweet in Spanish but I don't get the correlation-or is it if you eat something sweet, you want to offset it with something ...
Sunday, March 13, 2011 at 1:49pm

Physics * (Wht am I doing wrng? answ provided)
A 6 kg block slides on a horizontal frictionless surface with a speed of 1.5 m/s . It is brought momentarily to rest when it hits a bumper that compresses a spring. The acceleration of gravity is 9.8 m/s2 .How much is the spring compressed if its force constant is 7 kN/m? ...
Friday, March 11, 2011 at 5:26pm

A strong acid, HBr, has been dissolved into a beaker of water. If the solution is known to be 0.000 001 M, what is the pH solution?
Friday, March 11, 2011 at 9:14am

geometry CA
Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point) square trapezoid parallelogram 3. A (6, ...
Friday, March 11, 2011 at 1:46am

double integral
1. Sketch the region of integration & reverse the order of integration. Double integral y dydz... 1st (top=1, bottom =0)... 2nd(inner) integral (top=cos(piex), bottom=(x-2)... 2. Evaluate the integral by reversing the order of integration. double integral sqrt(2+x^3) dxdy... ...
Friday, March 11, 2011 at 12:13am

Chris has \$3.85 in dimes and quarters. There are 25 coins in all. How many of each type of coin does he have? If d represents the number of dimes and q represents the number of quarters, what two equations describe the problem?
Thursday, March 10, 2011 at 9:30pm

pre algebra
my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
Thursday, March 10, 2011 at 9:20pm

appling middle
If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70
Thursday, March 10, 2011 at 8:32pm

The area of Walters rectangle is 3/4 the area of Janets.What is the area of Walters rectangle? The area of Janets rectangle is 24in.
Thursday, March 10, 2011 at 6:31pm

At the end of five days, Joseph had saved \$30. If each day he saved \$2 more than the day before, how much money did Joseph save each day?
Thursday, March 10, 2011 at 5:02pm

I'm confused about this math question my teacher gave us today. Bowser's dog food is 40% meat. How much dog food would Bowser eat in order to get 11 kgs of meat?
Thursday, March 10, 2011 at 4:44pm

The perimeter of Olivias rectangle is 50% as long as Janets.What is the perimeterof Olivias rectangle?
Thursday, March 10, 2011 at 4:21pm

maths
The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________
Thursday, March 10, 2011 at 1:44am

How to change 6/8 into a decimal, and into a percent can someone help me please
Wednesday, March 9, 2011 at 9:36pm

Physics
I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand: 1st Hill: 50 m from ...
Wednesday, March 9, 2011 at 5:56pm

Chemistry-help needed
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....
Wednesday, March 9, 2011 at 4:58pm

How many degrees does the hour hand move in 4 hours?
Wednesday, March 9, 2011 at 3:29pm

physics
Dear Sir; I am writing in response to your request for additional information in Block #3 of the accident reporting form. I put "Poor Planning" as the cause of my accident. You asked for a fuller explanation and I trust the following details will be sufficient. I am ...
Tuesday, March 8, 2011 at 10:20pm

How do I properly site sources on my research paper?
Tuesday, March 8, 2011 at 9:14pm

is 13/20 greater than 3/4
Tuesday, March 8, 2011 at 8:20pm

geometry
Suppose line AB is parallel to line MN.Name all angles congruent to angle 8. In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1. If the measure of angle 5 is 45 degrees, what are the measures of the other angles. This is on page 472 in...
Tuesday, March 8, 2011 at 7:56pm

Math
My 7th grade daughter has the following math problem and gets zero help from her "language arts" teacher who gave out this problem: WANT X BE ________ CAREER Each letter in this question stands for a 1-digit #. No 2 letters may stand for the same #. Find the value ...
Tuesday, March 8, 2011 at 7:27pm

3m=63
Tuesday, March 8, 2011 at 5:26pm

How do you find the perimeter of a letter, example I, U, and J? The area for the I is 9 square cm. Do you still count all the sides or what? Any help would be appreciated!
Tuesday, March 8, 2011 at 3:47pm

I have a question-I'm not sure of this translation: ¿Qué comes parea a uno? Does this mean What do you stop to eat at one or Where? I'm stuck on this one. Thanks you
Tuesday, March 8, 2011 at 11:22am

I have a question about the owrd cubiertos in Spanish. Does ths word include la servillete el cuchillo el vaso la cuchara el tendor OR is it just like the plate and spoon, fork, knife and NOT the vaso or servillete(napkin)? The word and transaltion is confusing me Thank you
Tuesday, March 8, 2011 at 10:40am

physics
Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board. So here, ...
Monday, March 7, 2011 at 11:34pm

physics
Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board. So here, ...
Monday, March 7, 2011 at 11:34pm

physics kinematics
Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board. So here, ...
Monday, March 7, 2011 at 11:34pm

physics kinematics
Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board. So here, ...
Monday, March 7, 2011 at 11:34pm

physics kinematics
Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board. So here, ...
Monday, March 7, 2011 at 11:34pm

physics
Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board. So here, ...
Monday, March 7, 2011 at 10:55pm

In circle O, chords AB and CD are congruent. Ab measures 2x + y, while CD measures 16.5 Two other chords are congruent. GH equals x +2y and KL equals 13.5 I set them up like this 2x + y = 16.5 x+2y = 13.5 then I substituted-rewrote it x = 13.5-2y Then substituted 2(13.5) + y...
Monday, March 7, 2011 at 9:43pm

In circle O, chords AB and CD are congruent. Ab measures 2x + y, while CD measures 16.5 Two other chords are congruent. GH equals x +2y and KL equals 13.5 I set them up like this 2x + y = 16.5 x+2y = 13.5 then I substituted-rewrote it x = 13.5-2y Then substituted 2(13.5) + y...
Monday, March 7, 2011 at 9:43pm

Science
The skydiver has fries and a milk shake. Whay is he so nervous? Because he is???????? 4 words total.. The 1st and 2nd are 2 letters. The 3rd and 4th are 3 letters. Using these letters to solve UTAHNIIEUR
Monday, March 7, 2011 at 9:14pm

Writing
Can you proofread my writing? What grade would you give me? Decisions, Decisions, Decisions Decisions everyone has to make them. Some decisions are hard and important and some are not. The decision I had to make was did I still want to be the statistician for the varsity Girls...
Monday, March 7, 2011 at 8:52pm

Aaron's family is driving 80 miles to the mountains. They have already traveled 30 miles. They are traveling at a speed of 50 miles per hour. How many hours will it take them to complete the trip?
Monday, March 7, 2011 at 8:35pm

Writing
Can you proofread my writing? What grade would you give me? Decisions, Decisions, Decisions Decisions everyone has to make them. Some decisions are hard and important and some are not. The decision I had to make was did I still want to be the statistician for the varsity Girls...
Monday, March 7, 2011 at 8:27pm

math
It takes about735 turns of an average of average 5 th grade byicycle tire to go 1 mile .to the nearest thousand how many times would your tire turn around if you biked besides the runners in a 26-mile marathon?
Monday, March 7, 2011 at 6:54pm

room is 18ft long, 14ft wide, 8ft high. find the cost of carpeting the floor with carpet costing \$5./ft2
Monday, March 7, 2011 at 6:44pm

the volume of a rectangle is 576 cubic meters. The lenth is 12 meters and the width is 6 meters. What is the height of the prism?
Monday, March 7, 2011 at 6:31pm

the first side of a triangle measures 3 cm longer then the second side the third side is 4cm shorter then twice the second side the perimeter is 31cm. how long is each side?
Monday, March 7, 2011 at 4:15pm

A group of 32 students went to the amusement park.All of them either rode the Ferris wheel or Roller coaster.Seventeen rode the Ferris wheel,23 rode the roller coaster,and 8 did both.How many rode only the Ferris wheel
Monday, March 7, 2011 at 3:23pm

1.) which of the following represents dy/dx when y=e^-2x Sec(3x)? A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)<<<< my choice B.)3e^-2x sec(3x)tan (3x)-2xe^-2x sec(3x) C.)3e^-2x sec(3x)tan (x)-2e^-2x Sec(3x) D.)3e^-2x sec(3x)tan (x)-2xe^-2x sec(3x) 2.)calculate dy/dx if...
Monday, March 7, 2011 at 6:39am

Math
An instructor gives regular 20-point quizzes and 100-point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18, 87), (10, 55), (19, 96), (16, 79), (13, 76), and...
Monday, March 7, 2011 at 1:47am

Mina says that if you know the products up to 10x10, you also know the division facts up to a dividend of 100. Is she right? Explain.
Monday, March 7, 2011 at 12:43am

Math
There are 256 students in this outstanding 7th grade class. How many scoops of ice cream would have to be used in each cone in order to make a different cone for each person?
Sunday, March 6, 2011 at 4:45pm

2- given the curve is described by the equation r=3cos ¥è, find the angle that the tangent line makes with the radius vector when ¥è=120¨¬. A. 30¨¬ B. 45¨¬ C. 60¨¬ D. 90¨¬ not sure A or D 2.) which of the following ...
Sunday, March 6, 2011 at 1:08am

1.)Find dy/dx when y= Ln (sinh 2x) my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y C.-2/3tan (2x/3y) D.-2sin2x / 3 cosh 3yz...>> my answer. 2).Find the derivative of y=cos(x^2) with respect to x. A.-sin (2x) B.-2x sin (x^2...
Sunday, March 6, 2011 at 12:38am

1. A body is moving along a straight line with a velocity which varies according to the equation v=9t^2+2t, where v is in feet per second and t is in seconds. Find the expression for the distance as a function of time. A. 3t^3+t^2+C B. 3t^3+2t^2+C C. 18t+C D. 20t+C My answer ...
Saturday, March 5, 2011 at 10:04pm

Find the area lying above the x axis and below the parabolic curve y= 4x -x^2 a.8 b. 8 1/3 c. 10 2/3 d. 16 B or C not sure??
Saturday, March 5, 2011 at 9:44pm

computers
I am going to become a tutor for kids grade K-3.I am tutoring Math, Writing, and Reading. Do you know any good websites that contain free printable worksheets?
Saturday, March 5, 2011 at 8:30pm

Write an equation that forms a system of equations with x + y = 4, so that the system has: a) No solution b) Infinitely many solutions c) One solution I know how to figure out if two linear systems have a solution, but I don't understand how you could figure out if just ...
Saturday, March 5, 2011 at 1:55pm

science
can you give me a website on electric field?
Friday, March 4, 2011 at 2:02pm

French HELP
I have to write a postcard in French. Im in grade 10, so my vocab isn't really up there. I have to include the date, tell where I am, and what celebration it is and how I like it. I have to describe the people I am with - Use adjectives. And report on the weather. I have ...
Friday, March 4, 2011 at 10:44am

Solve this trigonometric equation.give all positive values of the angle between 0deg and 360deg that will satisfy. Give any approximate value to the nearest minute only. 3 sin theta - 4 cos theta = 2
Friday, March 4, 2011 at 6:31am

I need help with this problem ! 5 2/5 - 3 4/5= ? 6 1/10 - 3 4/10 = 10 - 4 2/5= ? PLEASE! SHOW ME EACH PROBLEM STEP BY STEP SO , I CAN FINISH MY HOMEWORK! THANK YOU!
Thursday, March 3, 2011 at 9:37pm

The following pattern continues indefinitely. REPEATREPEATREPEAT… 1) What is the 38th letter in the pattern? Explain your answer. 2) What is the 40th letter in the pattern? Explain your answer. 3) What is the 604th letter in the pattern? Explain your answer.
Thursday, March 3, 2011 at 3:51pm

Could someone help me with this question? Which of the following groups of workers lived in poverty? nurses unskilled workes technicians immigrants I'm torn between unskilled workers and immigrants
Thursday, March 3, 2011 at 10:48am

9 + 5k = 45 + 2K the sample shows operation S9 to come up with 5K=36+2k assuming subtract 9 from the 45 sample shows K=12 how did they come up with that?
Wednesday, March 2, 2011 at 8:33pm

math
Girls are one-half of the fifth grade class.Two-tenths of these girls have red hair.Red haired girls are what fraction of the fifth grade class?
Wednesday, March 2, 2011 at 7:54pm

Chemistry
(A) is a solution of hcl (b)is a solution of koh titrate against b8 record your titre values as follows burretreading|rough|1stread|2ndread|3rdr​ead/finalrding under rough|33.50|un der 1s rd |33.50|under 2nd rd |33.60| under3rd rd|33.70 intial rding under rough|0.00| 1st...
Wednesday, March 2, 2011 at 5:48pm

use inverse operations and a property of equaility to solve the equations. x+13=42 x-12=37
Wednesday, March 2, 2011 at 5:47pm

get each variable by itself on one side of the equation. x-45=90 n+23.4=36.9
Wednesday, March 2, 2011 at 5:44pm

does the pentagon shape right angle
Wednesday, March 2, 2011 at 4:35pm

Each person has taken four tests and has one more test to take.Find the score that each person must make to change the mean or median as shown Barry has scores of 93,84,86,and75.He wants to raise the mean to 86
Wednesday, March 2, 2011 at 3:09pm

I'm not sure what this is asking or how to answer it- ¿Qué prefiere llevar tu mamá? Is it asking what I prefer to take my mom? And how do I answer it? I'm really confused on the transalation Please give advice
Wednesday, March 2, 2011 at 11:57am

How many molecules of water can be made from 9.21 x 10^22 molecules of hydrogen sulfate? The equation is 2Fe(OH)3 + 3H2SO4 -> Fe2(SO4)3 + 6H2O
Wednesday, March 2, 2011 at 12:04am

Could someone check these please?I had place a possessive adjective in place of el 1. El hermano de Juan y Pedro se llama Bret Answer: Su hermano se llama Bret 2.Replace los with possessive Los hermanos de Paco y Linda se llama Santiago y Jose Answer: Sus hermanos se llaman ...
Tuesday, March 1, 2011 at 12:34pm

Several friends are taking turns flying akite. Each friend flies the kite for the same amount of time.They spend 6 hours flying the kite altogether. Explain whatinformation you need to find how long each friend flew thekite for.
Monday, February 28, 2011 at 8:17pm

carl put his coins on pages in a book. He has 22 coins. He can put 4 coins on each page. How many coins would Carl put on the 6th page? Explain?
Monday, February 28, 2011 at 8:10pm

What is the difference between speed and velocity?
Monday, February 28, 2011 at 7:59pm

I have to do a project and I have to have 9 or more physial and chemical properties of colloids and suspensions. I am soo stuck!!! Help!! Thanks!
Monday, February 28, 2011 at 7:15pm

algebra
Evaluate each logarithm. 3 to the 2nd power x plus five equals 9x plus 1. I can't seem to type the actual problem, which is why I wrote it out. I hope I wrote the problem right.
Monday, February 28, 2011 at 6:26pm

Math
Hey I need some help in 6th grade geometry. I need to find some random facts about the Metric system and the Coustomary system so that I can create a double bouble map on them. Not only did I need facts on them sepratley I also need facts on what they have in common.
Monday, February 28, 2011 at 4:21pm

Stats
the final grade averages from a fictional graduate statistics class are uniformly distributed between 66 and 96. what is the probability that a student selected at random will have a final average of between 90 and 100?
Monday, February 28, 2011 at 11:52am

Science
Hello, My dughter is in 6th grade and has a science experiment that she is working on. It is to take a shoebox and do a "leprechaun trap" showing a Newton's law. She is struggling. Some kids are already done and she is drawing a blank. She built a living room ...
Monday, February 28, 2011 at 11:26am

statistics
Susan is taking Western Civilization this semester on a pass/fail basis. The department teaching the course has a history of passing 77% of the students in Western Civilization each term. Let represent the number of times a student takes Western Civilization until the first ...
Monday, February 28, 2011 at 6:40am

Determine the values of a M and N , so that the polynomial 2x^3+mx^2+nx-3 and X^3-3mx^2+2nx+4 are both divisible by x-2. I am so lost, i do not know how to start this problem! please help i have a test soon!
Sunday, February 27, 2011 at 8:20pm

My teacher wants me to calculate the rate of enzyme activity (1/s) I'm given the temperatures: 0 , 15, 30, ,50, and 80 (degrees celsius) AND the times 8.74, 18.83, 14.30, 34.22, and infinity (seconds obviously, these are the times it took the enzyme to react) What am i ...
Sunday, February 27, 2011 at 5:45pm