# Posts by anna

Total # Posts: 2,670

**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...

**science**

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

**science**

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

**Math**

wait what does short mean?

**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?

**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 ...

**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 :)

**21**

help me 9th gradge

**math**

45yards/minutes=______in./s

**PRE-ALGEBRA**

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

**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 ...

**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?

**Plz help :(**

Mrs. Sue plz help!!!

**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!

**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 ...

**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."

**US History**

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

**Stats**

0.62

**US History**

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

**pre-algebra**

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

**US History**

thanks again

**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...

**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

**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 ...

**Physics**

n,bhyguftchg vb

**math**

Yes

**Business**

$1,604,505

**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 ...

**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 ...

**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?

**Science**

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

**Science**

thank you!

**Science**

How is earth like a system?

**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?

**6th grade math**

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

**math**

Do the math your selves you K12's!

**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.

**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.

**Math**

it is definitely 9

**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

**math**

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

**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

**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?

**Spanish**

Thanks btw what would gusto mean?

**Spanish**

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

**SS**

All are correct. Got 100%

**Social Studies**

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

**SS**

1. C 2. D 3. D

**chemistry 1405**

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

**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?

**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.

**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....

**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.

**Math**

15 and 4 15*4=60 -3 +1= 12 and 5 12*5=60

**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.

**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?

**parentheses**

14-8+2=4

**home economics**

Cooking baking

**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?

**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)

**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 ...

**statistical analysis**

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

**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 ...

**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!

**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...

**statistical analysis**

A _________ is the total collection of individuals or objects.

**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?

**ENGLISH**

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

**ENGLISH**

hahahahah ok thanks for help :))

**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 ...

**ENGLISH**

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

**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...

**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 ...

**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

**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?

**spanish**

Que es Yaocuicatl?

**english**

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

**social studies**

what happened to Denver after the gold rush?

**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?

**Math**

10

**Physics**

Susie weighs 100lbs. Sam weighs 150. The seesaw is 20ft long. The seat on one side only is movable in one foot increments. At what distance from the axis should the seat be placed in order for them to balance? Where should each person sit?

**music**

HOW DO I IDENTIFY INTERVALS???? I need to know major, minor, augmented, diminished, and perfect. so here is what I kind of understand so far: PU: 0 half steps P4: 5 half steps P5: 7 half steps P8: 12 half steps, and for any one of these to be diminished, there needs to be one ...

**CHEMISTRY Homework**

What will be the products of the electrolysis of an aqueous solution of zirconium iodide (ZrI4)? (The electrodes themselves are platinum.)

**Chemistry Question**

Thank you I really appreciate your help!

**Algebra**

Are you doing ashworth Brittany?

**algebra**

A coffee shop sells small cups of coffee and large cups of coffee. A small cup of coffee costs $2. A large cup of coffee costs $3. On Tuesday, the store sold a total of 155 cups of coffee for a total of $335. How many small cups of coffee did the store sell on Tuesday?

**chemistry**

WHEN DOES A CHEMICAL BECOME A DRUG?

**computers**

Which type of chart would best illustrate each department's sales as a percentage of the overall store sales? Answer a. area b. bar c. line d. pie

**Biology**

yes i think bio is hard but it is fun

**algebra 2 ap**

Jason uses his car for his job. He is allowed to depreciate the car 7% per year. IF the car was worth $23,000 new, in about how many years will the car be worth $3,000?

**Math**

What are three distinct numeric approaches for calculating the product 24x32?

**math**

Ikcss please help us!

**math**

Is ricegum right?? can someone check the answers???

**Math**

Shaun rides 8 kilo meters west from his house to school. After school he rides 6 kilo meters north to Mario's house. What is the distance from Mario's house to Shaun's house measured in a straight line?

**chemistry/Ksp**

It is more accurate to report a single value OR a range of values for Ksp?

**Math**

Mr.Brown is building a slide for his kids. The ladder is 3 meters tall ad the slide is 5 meters long. What is the distance between the ladder and the bottom of the slide?

**Math**

64

**Math**

I happen to disagree I think that b is the correct answer for this problem

**Chemistry**

Estimate the equilibrium constant for the weak acid HCN, if a 4.68×10-3 M aqueous solution of HCN has a [H+] 0.00000151 M (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration). HCN = CN- + H+

**Chemistry**

You have 1liter buffer solution containing 0.1 M HF and 0.05 M NaF. Now you add 0.055 moles of HCl to it. A) Do you think that the solution still retains it's effectiveness? B) Explain rationally how you came to the conclusion. I do not think that the solution would retain...