Saturday

February 13, 2016
Total # Posts: 1,478

**Algrebra**

find the value of r so the line that passesthough each pair of points has the given slope(9,r),(6,3),m=-1/3
*January 19, 2012*

**Math**

Illistrate that (x^1/2)(x^3/2) = x^2, using x=9
*January 18, 2012*

**Math**

Z^3/3?
*January 18, 2012*

**Math**

Divide. z4/5 divide by z1/2
*January 18, 2012*

**Math**

I mean x^2/3 / x^1/3
*January 18, 2012*

**Math**

Divide. x2/3 divided by x1/3
*January 18, 2012*

**Math**

Sorry, they are exponents! Fractions confuse me, would it be 2/1 + 1/3 and 2/1 + 1/4?
*January 18, 2012*

**Math**

Multiply. (a^2b^2)(a1/3b1/4)
*January 18, 2012*

**math**

Yes, 5/3 (fraction) after the y is an exponent.
*January 18, 2012*

**math**

Multiply. (x^5y5/3)^2
*January 18, 2012*

**Alg 2.. HELP?**

Multiply or divide. 14. (x^5y5/3)2 16. (a^2b^2)(a1/3b1/4) 18. x2/3 divided by x1/3 20. z4/5 divide by z1/2
*January 18, 2012*

**math**

Howard has 102 feet of fencing. What is the area of the largest square dog pen he can build with the fencing?
*January 18, 2012*

**Math**

a carpeting store is having a special sale, offering carpeting at $16.50 per square yard. Its competitor is offering carpeting at $1.90 per square foot. Which store is less expensive? By how much?
*January 18, 2012*

**English**

Can someone please help me with this, let me know if the below looks correct? Improving Your Writing. Section 1 Facts and Figures that define the problem (the cause) Details that show the impact of the problem (effects) on Jack, Ruth, and the company. Section 2 The steps ...
*January 18, 2012*

**math**

Takheela plans to ship a dollhouse in a box that is 30 inches along each edge. The dollhouse measures 24 inches wide, 20 inches long, and 28 inches high. How much foam packing material (in cubic inches) will she need? What is the approximate side length of the cubic box that ...
*January 18, 2012*

**math**

A city planner has placed a square wading pool in the center of a park. The pool is surrpunded by a square fence, 20 meters wide. The tiles for the floor of the wading pool cover 121 sqaure meters. How wide is the wooden deck sprrounding the wading pool?
*January 18, 2012*

**math**

A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
*January 18, 2012*

**math**

A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
*January 18, 2012*

**college mathematics1**

solve the system x+6y=24, -6x+5y= -21
*January 14, 2012*

**Math #2**

Sue's average for 9 games of bowling is 108. What is the lowest score she can receive for the tenth game to have an average of 110.
*January 9, 2012*

**Math**

Need to know the number possible of outcomes.If you spin a spinner with sections A,B,C,D ,and E and two coins are tossed
*January 9, 2012*

**physics**

A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·10^5 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise ...
*January 7, 2012*

**physics**

A water-cooled engine produces 1589 W of power. Water enters the engine block at 14.61 °C and exits at 29.91 °C. The rate of water flow is 147.3 L/h. What is the engine’s efficiency?
*January 7, 2012*

**algebra**

90+30(2)-4.9(2)^2=
*January 6, 2012*

**math**

Mindy, Daisy, Araceli and Leigh worked together on a job. The job paid $220. Each person was paid according to the amount of work they contributed to the job. Daisy and Araceli earned $280 together. Daisy and Mindy have $260, and Daisy and Leigh got $220. What percent of the ...
*January 3, 2012*

**chemistry**

Yes you`re good i made typo just to KMnos the right form is KMnO4 while CO3 is right please help if you know anything and thanks to much xxx
*January 3, 2012*

**chemistry**

14KMnos+4C3H5(OH)3----->7K2CO3+7Mn2O3+5CO3+16H2O I know this but hoe to do it please help me I have examination tomorow i i dont have idea how to do it:(:(:(
*January 3, 2012*

**asu**

calculus problem is u = 7i +9j + 2 k and v = -7i -9j - 2 k. and my ans is -135 how to double check
*December 31, 2011*

**pre-algebra**

find the product: (4k to the 5th power)(-2k)to the 3rd power. 5th power is inside the parenthesis and the 3rd is outside the parenthesis. Is it -32k to the 8th power or -32k to the 2nd power?
*December 18, 2011*

**algebra**

A flying saucer filled with space aliens landed in my front yard!After the entire crew had filled out of their spaceship, I happened to count their heads and feet. I saw a total of 91 heads and 124 feet. It was clear that their leader was a purple creature with three heads and...
*December 12, 2011*

**algebra**

I truthfully do not know this is a tricky one
*December 12, 2011*

**Math**

It is an easy answer you just have to use the order of operations
*December 12, 2011*

**economics**

I need help to put in Excel Sherwin -Williams exercise
*December 11, 2011*

**algebra**

How do you find the LCD for these fractions 3/4c & 5/6ct also is the LCD for 4/15 & 1/9 (45)?
*December 11, 2011*

**algebra**

the ordered pairs (2,3), (2,6) and (6,6) are coordinates of three of the vertices of a rectangle. What are the coordinates of the ordered pair that represents the fouth vertex? (3,6), (6,3), (3,2) or (3,3)
*December 9, 2011*

**algebra**

what is the least prime number between 80 & 90?
*December 9, 2011*

**Algebra Word Problem...please help me**

Megalodon Lives Angler went fishing and caught a monster of a fish! The head of the fish was 10 feet long. The length of the tail was equal to the length of the head plus half of the body. The body was as long as the head and the tail together. What was the total length of the...
*December 7, 2011*

**Algebra Please help...**

What a steal of a Deal! Hunter went to TV City to buy a new TV. When he got there, he found that the manager was offering a 25% discount on every TV in the store. The one Hunter wanted was last year's model so he got an additional 10% discount on his purchase. When he got ...
*December 7, 2011*

**Algebra Please help...**

What a steal of a Deal! Hunter went to TV City to buy a new TV. When he got there, he found that the manager was offering a 25% discount on every TV in the store. The one Hunter wanted was last year's model so he got an additional 10% discount on his purchase. When he got ...
*December 7, 2011*

**Math**

Find the real-number solution of the equation. 3x^7 = 81x^4 I got this far... 3x^7 - 81x^4 = 0 x^4 (3x^3 - 81) = 0
*December 7, 2011*

**Math**

x^3+2x^2-x=2 Find the real number of solutions of the equation
*December 7, 2011*

**statistics**

10. You have proposed a hypothesis that right-handed (RH) subjects will be superior in spatial analysis compared to left-handed (LH) subjects. Spatial analysis skills are being assessed on a scale which yields scores on a linear numerical scale. Given the following information...
*December 6, 2011*

**Statistics**

. You are running an a single variable ANOVA with five levels of the variable, such as comparing IQ on 5th, 6th, 7th, 8th and 9th graders and the F-value is very large. The significance for the F value is equal to .0003. What can you conclude about the overall effect and what...
*December 6, 2011*

**Statstics**

. You have proposed that males will outscore females on a standardized test of math skills. You now are looking at your results from an SPSS t-test which is analyzing for significance at the á = .05 level with a two-tailed test. You see the following output: t = 4.10 ...
*December 6, 2011*

**Algebra word problem**

A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone or mixed? You can use...
*December 6, 2011*

**Algebra word problem**

Megalodon Lives Angler went fishing and caught a monster of a fish! The head of the fish was 10 feet long. The length of the tail was equal to the length of the head plus half of the body. The body was as long as the head and the tail together. What was the total length of the...
*December 6, 2011*

**Agebra Word Problem**

What a steal of a Deal! Hunter went to TV City to buy a new TV. When he got there, he found that the manager was offering a 25% discount on every TV in the store. The one Hunter wanted was last year's model so he got an additional 10% discount on his purchase. When he got ...
*December 6, 2011*

**Math - Trig please help!**

State two intervals in which the function y=7sin(1/5x)+2 has an average rate of change that is: a) zero b)a negative value c)a positive value Please explain how to get the intervals! Thanks a lot in advance!
*December 5, 2011*

**Math -Trig Please help!**

At one time, Maple Leaf Village (which no longer exists) had North America’s largest Ferris wheel. The Ferris wheel had a diameter of 56 m, and one revolution took 2.5 min to complete. Riders could see Niagara Falls if they were higher than 50 m above the ground. Sketch ...
*December 1, 2011*

**geometry**

(7x+3)in,(3x-1) +3 -3 6 4 7+6=12 4 12/12 = 4/6=2/3=1
*December 1, 2011*

**stats**

I'm a little confused on how to do it and then convert it into a percentage when I do work it out it comes to a huge number. I don't know to do anything after that . I get .31295738
*November 29, 2011*

**math - please help!!**

The number of immigrants living in a certan country with a large population makes up 20 percent of the population. in a random sample poll of 100 people what is the expected number of immigrants to be polled? (using bionomial distribution) thanks!
*November 29, 2011*

**Math- Trig please help!**

thank you!
*November 29, 2011*

**Math- Trig please help!**

A tire with a diameter of 100 cm rotates 20 times in 3 seconds. a) determine the angular velocity b) how far the tire has travelled? c) what is the speed in km/h?
*November 29, 2011*

**algebra**

When Mr. J. Raff took his two children to the zoo,their tickets cost $8.75. The next family in line was Mrs. Ella Fant with Grandpa and the five Fant kids. Their tickets cost a total of $19.75. How much does the zoo charge for each adult and for each child?
*November 29, 2011*

**World Geography**

Sorry, this wasn't clear at first. The question is what biomes of Negeria have high population density ?.
*November 28, 2011*

**World Geography**

What biomes have the highest population density?
*November 28, 2011*

**American Government**

Share two examples in American history of how the people of America shifted their ideologies from one set of beliefs to another. Why did this happen? What were the political, economic and social conditions that led to this shift?
*November 28, 2011*

**Physics/Science**

At what point in the swing of a pendulum is the maximum amount of the ball's motion transferred to the object it hits? (I think it's at its lowest swing point but I'm not completely sure.) And what does this "kinetic energy" depend on?
*November 27, 2011*

**biostatistics**

35r763
*November 26, 2011*

**statistics**

If a company is thinking of giving one department a 1000 bonus. Based on their means and standard deviation scores which set of employess will do better based on this information? Who should get the bonus? Employee A mean 16.875 standard deviation 4.45413 Employee B mean 12....
*November 22, 2011*

**Algebra 2**

Dividing: Write the expression as a complex number in standard form 1) 2+5i/5+2i 2) 6-i√2/6+i√2 for the first one I solved it and I only got this far: 10+21i-10i^2/25-4i^2
*November 20, 2011*

**math - please help!!**

If rhys is late for his finite mathematics class, and the probability that he is on time is 3/4. however if he is on time, he is liable to be less concerned about punctuality for the next class and his probability being on time drops to 1/2. rhy is on time monday. find the ...
*November 20, 2011*

**Math**

Find the discriminant of the quadratic equation and give the number and type of solutions of the equation. s^2√5 + s + √5 = 0 I'm confused because of the radical...
*November 18, 2011*

**English/Writing**

This is for an essay: How do you say/phrase "he used to", "he does not", "he is confronted with", "he would rather", "they have evolved", and "have succeeded" in present tense?
*November 16, 2011*

**Art Apperciation**

Compare Raphael’s School of Athens to Veronese’s Christ in the House of Levi. Explain how each artist reflected the political and social environment of Rome and Venice during the Renaissance period
*November 16, 2011*

**algebra**

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x – 15y = -12 3x + 24y = -12
*November 14, 2011*

**Algebra**

Divide -4x^3 + 24x^2 – 24x + 4 by x^2 – 5x + 1
*November 14, 2011*

**Chemistry**

The value of delta H for the reaction of 2Na2O2(s) + 2H20(l)----> 4NaOH(s)+O2(g) is -126KJ When 2.0 moles of NaOH is formed?
*November 13, 2011*

**math**

What is 3(x +4) - 2(3x - 3) simplified a) -3x + 18 b) -3x + 12 c) -9x + 18 d) -9x + 12
*November 13, 2011*

**math**

how do you simplify 3(x + 4) - 2(3x - 3)
*November 13, 2011*

**Math**

Solve the equation by factoring, by finding square roots, or by completing the square. 4(x+8)^2=144 I'm not sure if I'm suppose to divide or multiply the 4 to both sides..
*November 10, 2011*

**Algebra Please help**

So how many many flavor combinations
*November 9, 2011*

**Algebra Please help**

A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone or mixed? You can use...
*November 9, 2011*

**Algebra word problem**

A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone or mixed? You can use...
*November 8, 2011*

**Algebra word problem**

Baking Cookies-Word Problem Our class planned a party for disadvantaged kids. Some of us baked cookies for the party. On the day of the party, we found we could divide the cookies into packets of two,three, four, five or six and have one cookie left over in each case. If we ...
*November 8, 2011*

**algebra**

Baking Cookies-Word Problem Our class planned a party for disadvantaged kids. Some of us baked cookies for the party. On the day of the party, we found we could divide the cookies into packets of two,three, four, five or six and have one cookie left over in each case. If we ...
*November 8, 2011*

**Accounting**

Present value analysis-cost of capital National Leasing is evaluating the cost of capital to use in its capital budgeting process. Over the recent past, the company has averaged a return on equity of 12% and a return on investment of 9%. The company can currently borrow short-...
*November 3, 2011*

**Math**

Lee Holmes deposited $15,000 in a new savings account at 9% interest compounded semiannually. At the beginning of year 4, Lee deposits an additional $40,000 at 9% intrest compounded semiannually. At the end of 6 years, what is the balance in Lee's account?
*November 3, 2011*

**Math**

Solve the equation 40^2 + 4a = 0 What I did was 4a (10a + 1) = 0 then I'm not sure what to do next...
*November 3, 2011*

**Math**

Factor the trinomial. If the trinomial cannot be found, say so. 11m^2 + 14m - 16 I just want to make sure...would the answer be (11m-8)(m+2) ?
*November 3, 2011*

**algebra**

My science class is pretty small. There are just 18 students in the class. My teacher, Mr. Burnett, has an unusual system for picking lab partners. He has given each student a number from 1 to 18, and on lab days, he pulls two numbers out of a bag to match people up. During ...
*November 1, 2011*

**algebra**

Mr. Hundley has a big collection of silver dollars and 50-cent pieces. He promised to give one fourth of his collection to the first teacher who can figure out the total values of his coins. These are the only clues: There are 132 more silver dollars than 50-cent pieces. The ...
*November 1, 2011*

**Math**

Solve the system using any algebraic method. 2x - 2y + z = 3 5y - z = -31 x + 3y + 2z = -21 ______________________ The answer I got for this is ( -26, 6,67) but I know its wrong and I don't know why. Help please >< my work is at the bottom I used substitution method ...
*November 1, 2011*

**chemistry**

You need to make an aqueous solution of 0.121 M magnesium chloride for an experiment in lab, using a 250 mL volumetric flask. How much solid magnesium chloride should you add ?
*October 29, 2011*

**Math**

Sally wants to buy her friend a bouquet for his birthday. She wants it to contain both carnations and roses. She has $25.20 to spend. Carnatinos cost $1.45 each and roses cost $2.35 each. Use a graph to show the possible combinations of numbers of carnations and roses Sally ...
*October 27, 2011*

**Math**

Tile Pattern... A design starts with 1 tile and it continues to grow the next day to 4 tiles and on the third day there is 13 tiles. How many tiles will there be on the 10th day? How many tiles on the 50th day? Find a formula for any number?
*October 26, 2011*

**Math ( Word Problem )**

Joel sells ice cream cones at the county fair. he has to rent the equipment for $49 and spend $.043 on ingredients for each one. How many ice cream cones must he sells at $1.10 each in order to make a profit? Write an inequality that represents how many ice cream cones must be...
*October 25, 2011*

**calculus**

How do I find the inflection points? f(x)= 2+3x-(x^3) Thank you!!
*October 25, 2011*

**calculus**

Find the local max/min values of f using botht the first and second derivatie test. I can do the first but I am having trouble with the second derivative. f(x)= x/(x^2+4) Help please...Thank you.
*October 25, 2011*

**physics**

I don't understand how to solve :(
*October 25, 2011*

**physics**

A hollow rubber ball with a diameter of 5.57 cm and a mass of 38.9 g is cut in half to make a boat (in a bathtub) for American pennies made after 1982. The mass and volume of an American penny made after 1982 are 2.5 g and 0.36 cm3. How many pennies can be placed in the boat ...
*October 25, 2011*

**Math**

Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps, Billy encountered...
*October 24, 2011*

**Trick or Treat**

Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps, Billy encountered...
*October 24, 2011*

**PC Basics **

Jill wants to organize information into tables, figures, fields, and records. What type of software should Jill use? A. Communications C. Database B. Presentation D. Word processing I think the answer is C
*October 18, 2011*

**Keyboarding and Word Processing **

When typing personal titles in correspondence, you should always include the person’s name if you know it. If you don’t know the person’s name, which of the following should you use? A. Sir or Ma’am B. To whom it may concern C. Ladies and Gentlemen D. Mr. ...
*October 18, 2011*

**Physics**

An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle. a)What is the bundle’s initial vertical component of velocity? =0 b)What is the bundle’s initial ...
*October 16, 2011*

**Physics**

A 45 kg boy running at 3 meters per second jumps on to a 97 kg sled that is initially at rest. Find the resulting speed of the sled with the boy aboard.
*October 16, 2011*

**Drama**

The ability of writers to completely identify with their characters is A. hypocrisy. B. ambiguity. C. negative capability. D. satire.
*October 15, 2011*

**nonfiction**

Thoreau writes that people should be "mining themselves for gold." By this he is stating, in another way, the ideal of Socrates, which was to A. know thyself. B. deny thyself to learn what is valuable. C. live and let live. D. put first things first
*October 15, 2011*