Sunday

October 23, 2016
Total # Posts: 2,578

**chemistry**

Need help balancing this chemical reaction equation Ca(NO3)2+2NaOH>Ca(OH)2+2NaNO3

*January 30, 2014*

**Calculus**

Find the critical numbers of the function. h(t) = t3/4 − 5t1/4

*January 28, 2014*

**Calculus**

A poster is to have an area of 160 in2 with 1 inch margins at the bottom and sides and a 7 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

*January 28, 2014*

**Calculus**

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = (x2 - 1)3 [-1, 6]

*January 28, 2014*

**Calculus**

Find the absolute minimum and absolute maximum values of f on the interval below. f(x) = x4 - 8x2 + 6 [-3, 4]

*January 28, 2014*

**Calculus**

Find two numbers whose difference is 132 and whose product is a minimum.

*January 28, 2014*

**Calculus**

A box with a square base and open top must have a volume of 4,000 cm3. Find the dimensions of the box that minimize the amount of material used.

*January 28, 2014*

**Calculus**

A poster is to have an area of 160 in2 with 1 inch margins at the bottom and sides and a 7 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

*January 28, 2014*

**Please help with Physics Quickly**

1. How are impulse and momentum related? (Points : 1) Impulse is the change in momentum of an object. Momentum is the change in impulse acting on an object. Impulse and momentum are always equal in magnitude. Impulse and momentum are the same thing. Question 2. 2. Which of ...

*January 27, 2014*

**Psychology **

Within each gene, elements of DNA are arranged in a particular order, forming a code that influences the synthesis of particular proteins. This code affects every aspect of the body, from its structure to the chemicals that keep it running. The above process describes:

*January 27, 2014*

**chemistry**

What is the concentration of a solution, in gsolute/100gsolvent, made using 2.29 g of KNO3 in 2.03 g of H2O?

*January 24, 2014*

**Social Studies**

The answer is A, lily

*January 23, 2014*

**History8**

the correct answer is d you guessed correct! Good job!!!

*January 16, 2014*

**literature**

Can someone help me in scansion of the poem "the poplar field" by William Cowper? need help to find base meter, scheme, stanza forms if any, and the metrical peculiarities such as end-stopped lines, run-on lines, elision, pause, feminine ending, masculine ending and ...

*January 15, 2014*

**Math**

the length of a rectangle is seven less than four times the width. Find the length if the area is 65 square units.

*January 11, 2014*

**SS**

Cowgirl is correct.^^ A A B D I got 100%

*December 30, 2013*

**physics**

A mass M of 7.00E-1 kg slides inside a hoop of radius R=1.30 m with negligible friction. When M is at the top, it has a speed of 5.47 m/s. Calculate the size of the force with which the M pushes on the hoop when M is at an angle of 39.0°.

*December 24, 2013*

**language arts**

#4. C

*December 18, 2013*

**language arts**

This the passage for #2 &3: I checked into a hotel called the Olympia, which is right on the main street and the only hotel in the town. After lunch I was hanging around the lobby, and I got to taking to the guy at the desk. I asked him if this wasn't the town where that ...

*December 18, 2013*

**help plz? 2 questions**

HA! Is that from connexus!

*December 17, 2013*

**Physics**

A stone is thrown vertically upward at a speed of 27.70 m/s at time t=0. A second stone is thrown upward with the same speed 2.140 seconds later. At what time are the two stones at the same height? At what height do the two stones pass each other? What is the downward speed of...

*December 17, 2013*

**Physics**

A stone is thrown vertically upward at a speed of 27.70 m/s at time t=0. A second stone is thrown upward with the same speed 2.140 seconds later. At what time are the two stones at the same height? At what height do the two stones pass each other? What is the downward speed of...

*December 17, 2013*

**physics**

A stone is thrown vertically upward at a speed of 27.70 m/s at time t=0. A second stone is thrown upward with the same speed 2.140 seconds later. At what time are the two stones at the same height? At what height do the two stones pass each other? What is the downward speed of...

*December 15, 2013*

**science**

How does biodiversity increase an ecosystem's ability to withstand changes? I don't quite understand. Can you please elaborate?

*December 13, 2013*

**science**

If you need the answers for the complete test let me know.. I got 100% on this test.

*December 12, 2013*

**Math**

wait what does short mean?

*December 11, 2013*

**Algebra **

A roadside vegtable stand sells pumpkins for $5 each and squashes for $3 each. One day they sold $6 more squash than pumpkins, and their sales totaled $98. Write and solve a system of equations to find how many pumpkins and squash they sold?

*December 10, 2013*

**Chemistry**

In a solution with carbon tetrachloride as the solvent, the compound VCl4 undergoes dimerization: 2VCl4 <-> V2Cl8 When 6.6834 g VCl4 is dissolved in 100.0 g of carbon tetrachloride, the freezing point is lowered by 5.97*C/ Calculate the value of the equilibrium constant ...

*December 10, 2013*

**math**

It's okay I gotcha and anybody else here who needs help <3 it is D aka both a and b so the last one guaranteed :)

*December 9, 2013*

**21**

help me 9th gradge

*December 4, 2013*

**math**

45yards/minutes=______in./s

*December 2, 2013*

**PRE-ALGEBRA**

A 55-minute long distance phone costs 2.75.What is the cost per minute

*December 2, 2013*

**Math help, anyone?**

Solve the proportion. Where necessary, round to the nearest hundredth. Plz help i really need 2 get this in!! 11. 9/10 = x/10 9 *** 90 10 100 12. x/4 = 6/7 168 0.21 28 3.43 13.Write the ratio as a fraction in simplest form. 22:36 14. Write the ratio as a fraction in simplest ...

*November 26, 2013*

**Biology**

What do you think, is it likely that we will insert genes for new and better properties in humans? Is it desirable? What dangers can you see with such a development?

*November 26, 2013*

**Plz help :(**

Mrs. Sue plz help!!!

*November 25, 2013*

**science**

The answer is D. The whole square, and half the circle, and a completely empty circle. How would that be possible? Their child would have at least a 50% chance of having the illness. If you need more help let me know!

*November 23, 2013*

**Science**

Luis wanted to create a clay model of earth and the sun. To show how Earth rotates, Luis wants to use a toothpick to represent Earth's axis of rotation. Where should Luis place the toothpick? A. Horizontally through Earth in the direction Earth is traveling B. Vertically ...

*November 20, 2013*

**US History**

What times is Paine referring to? “These are the times that try men's souls. The summer soldier and the sunshine patriot will, in this crisis, shrink from the service of their country; but he that stands it now, deserves the love and thanks of man and woman."

*November 16, 2013*

**US History **

What is Patrick Henry referring to when he states : "Their clanking may be heard on the plains of Boston"?

*November 14, 2013*

**Stats**

0.62

*November 14, 2013*

**US History**

What does Patrick Henry mean when he writes "Shall we acquire the means of effectual resistance, by lying supinely on our backs..."

*November 14, 2013*

**pre-algebra**

I need help with number 9! Someone pls answer! Please stop commenting if you don't have the answer!

*November 14, 2013*

**US History**

thanks again

*November 12, 2013*

**US History**

What is Thomas Jefferson trying to say in this excerpt from the Declaration of Independence ? :The Right of the People to Control Their Government . . . We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain...

*November 12, 2013*

**US History**

thank you so much i was having problems because i don't speak the way that he speaks but thank you so much

*November 12, 2013*

**US History**

What does this excerpt from Common Sense by William Paine mean: But there is another and greater distinction for which no truly natural or religious reason can be assigned, and that is, the distinction of men into KINGS and SUBJECTS. Male and female are the distinctions of ...

*November 12, 2013*

**Physics**

n,bhyguftchg vb

*November 12, 2013*

**Science**

THANK YOU SO MUCH HOMEWORKHELPER!!!!!!

*November 6, 2013*

**Business**

$1,604,505

*November 5, 2013*

**math**

Slope intercept form is y=mx+b m- slope b- y-intercept To finish this problem, you have to find what the y-intercept is. Just put in what you know first, and try to figure out b. 3=4(-3)+b 3= -12 =b +12 +12 15=b You can know see that 15 is b, and you can fill in the slope ...

*November 4, 2013*

**5TH GRADE Math**

To find the common factor of something, you have to post all the factors of each number. For #1 you would do: 1- 1 4- 1, 2, 4 8- 1, 2, 4, 8 32- 1, 2, 4, 8, 16 Obviously the first one is 1. A easy way to find the common factor of these questions, is simply by seeing the first ...

*November 3, 2013*

**Organic Chemistry**

3.What would be the major product if 1,4-dibromo-4-methylpentane was allowed to react with: a)One equivalent of NaI in acetone? b)One equivalent of Silver Nitrate in ethanol?

*November 1, 2013*

**Science**

how does energy provided by the sun influence global weather patterns?

*October 26, 2013*

**Science**

thank you!

*October 26, 2013*

**Science**

How is earth like a system?

*October 26, 2013*

**english**

Which one of the following sentences is correctly punctuated? A. Look up, look down, and look all around? B. Smile when you say that, Partner? C. When will the winter end? D. Look at me, then say what you have to say?

*October 20, 2013*

**6th grade math**

no the answer has to be 48 i did his problem for 4 people and the answer was 48

*October 15, 2013*

**math**

Do the math your selves you K12's!

*October 15, 2013*

**Science**

Calculate the amount of energy in the form of heat that is produced when a volume of 3.56 L of SO2(g) is converted to 3.56 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 bar and 25.0 °C. Assume ideal gas behavior.

*October 15, 2013*

**chemistry**

Calculate the amount of energy in the form of heat that is produced when a volume of 3.56 L of SO2(g) is converted to 3.56 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 bar and 25.0 °C. Assume ideal gas behavior.

*October 15, 2013*

**calculus**

Determine the value(s) of x where the function will have an instantaneous rate of change of 14. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = x3 + 33 x2 + 14 x + 39

*October 3, 2013*

**math**

A NUMBER X IS INCREASED BY 27 AND THE RESULT IS MULTIPLED BY 6 GIVING 372 AS THE RESULT

*October 3, 2013*

**math,pre algebra**

Apples sell for 1.29 a pund and there is an average of 3 apples per pund.About how many apples would you expect to get for 5.00

*October 3, 2013*

**Math**

During a week-long dry spell,the water level in a pond decreased by 4 inches per day except for two days when it decreased by half of that amount. How much did the water level decrease in the pond in one week?

*September 30, 2013*

**Spanish**

Thanks btw what would gusto mean?

*September 30, 2013*

**Spanish**

I don't get what word to choose: Estudias mucho, ¿ (blank)? Do I fill it in with verdad or gusto? Why?

*September 30, 2013*

**SS**

All are correct. Got 100%

*September 29, 2013*

**Social Studies**

1. B 2. B 3. B 4. B 5. B

*September 28, 2013*

**SS**

1. C 2. D 3. D

*September 27, 2013*

**chemistry 1405**

how to write a nuclear equation for the nuclear decay of Ra-226 to an isotope of radon-222

*September 25, 2013*

**Geometry**

The perimeter of two squares is 58in. The side length of the larger square is twice the side length of the smaller square. What is is the length of one side of the smaller square?

*September 20, 2013*

**Geography**

The correct answers are 3,5 and 6, which are. 3. Physical regions can be formed by mountains and oceans. 5. Nations that are members of an economic region enjoy fewer tariffs than non-members. And 6. Regions share one or more common characteristics.

*September 19, 2013*

**Physics**

A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 21.0 minutes at an average speed of 9.48 m/s. During the second part, she rides for 43.5 minutes at an average speed of 3....

*September 17, 2013*

**science**

'The subscripts in the chemical formula for a molecular compound are not always in the lowest ratio.' Using what you know about naming binary molecular compounds, provide evidence that supports this statement.

*September 14, 2013*

**English**

i have to take out embellishments, misquotations,false benefits and unethical tactics out of these sentence can some one help me All customers qualify for the maximum discount available.

*September 8, 2013*

**Math**

A school cafeteria sells sandwiches for $4.50 each, cartons of milk for $1 and bananas for $0.50 each. One table of students spent $36.00 total. They bought 2 more milks than sandwiches and they bought two time more sandwiches than bananas. How many bananas did the students buy?

*September 5, 2013*

**home economics**

Cooking baking

*August 27, 2013*

**Maths**

If Joseph can consume in one sitting one medium (30cm) deep dish (2.5 cm thick)pizza, what is the minimum from nine to ten centimeters?

*August 12, 2013*

**Math**

Consider the weighted voting system [75: 31, 29, 23, 16, 8, 7]. Find each: a. The total number of players b. The total number of votes c. The weight of P3 d. The minimum percentage of the votes needed to pass a motion 9rounded to the next whole percent)

*August 9, 2013*

**statistical analysis**

According to the “January theory,” if the stock market is up for the month of January, it will be up for the year. If it is down in January, it will be down for the year. According to an article in the Wall Street Journal, this theory held for 29 out of the last 34 ...

*August 1, 2013*

**statistical analysis**

Hi there, I am a senior trying to get some assistance with one of my many papers. Thank you!

*August 1, 2013*

**statistical analysis**

New Process, Inc., a large mail-order supplier of women’s fashions, advertises same-day service on every order. Recently, the movement of orders has not gone as planned, and there were a large number of complaints. Bud Owens, director of customer service, has completely ...

*August 1, 2013*

**statistical analysis**

Compute the mean and variance of the following discrete probability distribution. x P(x) 2 .50 8 .30 10 .20 Please assist and guide accordingly. Thank you so very much!

*August 1, 2013*

**statistical analysis**

2. The Computer Systems Department has eight faculty, six of whom are tenured. Dr. Vonder, the chair, wants to establish a committee of three department faculty members to review the curriculum. If she selects the committee at random: a. What is the probability all members of...

*August 1, 2013*

**statistical analysis**

A _________ is the total collection of individuals or objects.

*July 24, 2013*

**algebra**

Company A rents copiers for a monthly charge of $360 plus 12 cents per copy. Company B rents copiers for a monthly charge of $720 plus 6 cents per copy. What is the number of copies above which Company A's charges are the higher of the two?

*July 20, 2013*

**ENGLISH**

aha i really didn't know what is this for shure so thans anyway

*June 27, 2013*

**ENGLISH**

hahahahah ok thanks for help :))

*June 27, 2013*

**ENGLISH**

hahaha ok i hope this is it: ok,everyone,listen,please,I want to go over the plans for tonight one more time.Henrys train A)gets in at eight o'clock and he B)is expecting to be picked up by me and taken to a late meeting.On a way from a station,I C)will stop to get some ...

*June 27, 2013*

**ENGLISH**

is this correct:A A C B D C C D B A C B

*June 27, 2013*

**ENGLISH**

you really help me at a last one and if you have some time can you help me whit this too? Read the text and choose the correct answer. ok,everyone,listen,please,I want to go over the plans for tonight one more time.Henrys train_________at eight o'clock and he________ to be...

*June 27, 2013*

**ENGLISH**

can you please help me to solve this task? Complete the sentences with the correct form of the verbs in brackets. I 1 _____________________ (go) to the gym for quite a long time and I 2 _____________________ (still wait) to see some results. Every time I go, I 3 ...

*June 27, 2013*

**Business Math**

Abe Wolf bought a new kitchen set at Sears. Abe paid off the loan after 64 days with an interest charge of $12. If Sears charges 9% interest. What did Abe pay for the kitchen set (assume 360 days

*June 22, 2013*

**Physics**

Light of intensity 2 Wm^–2 is traveling through air (n = 1.0) is normally incident on a dielectric surface. If the intensity of the reflected light is 0.3 W m^–2 what is the refractive index of the dielectric material?

*June 13, 2013*

**spanish**

Que es Yaocuicatl?

*June 9, 2013*

**english**

what are some example of how the tv parlor in fahrenheit 451 is harmful

*May 21, 2013*

**social studies**

what happened to Denver after the gold rush?

*May 16, 2013*

**School**

How much force would you need to apply to a 1.7kg object to have it reach 5.8 m/s if it starts from rest?

*May 16, 2013*

**Math**

10

*May 13, 2013*