Selena

This page lists questions and answers that were posted by visitors named Selena.

Questions

The following questions were asked by visitors named Selena.

What is a reciprocal A number's "flip". Like if you have 2/3, it's reciprocal would be 3/2. If you have a whole number like 5, for example, than it is understood that there is a 1 under the 5. (5/1) This means that the reciprocal of 5 is 1/5.

18 years ago

What is a reciprocal? The reciprocal of x is 1/x; of 15 is 1/15.

18 years ago

What do opportunity cost have to do with slope?

17 years ago

Why or when is a ppf curve biased?

17 years ago

At exactly 2:00 pm, sophy the snail crawls onto a meter stick at the 10 cm mark. If he reaches the 65 cm mark at exactly 2:10 pm, what is her speed?

16 years ago

I'm reviewing for my final exam can anyone give me some tips on this I know what this means but I just to know someone eles opinion. Thanks Under what conditions might it be appropriate to use the mean? Median? Mode? When the median and mean are substanti...

16 years ago

Hi there, Could you please help me by looking over these paragraphs and making sure my grammar is correct? 1.) La forme d’intelligence dominante c’est interpersonnelle. L’intelligence interpersonelle, c’est la capacité de comprendre les autres, de saisir...

16 years ago

Hi there, Could you see if I have translated the English correctly into French, I was having a bit of trouble. Thanks. 1. What is a hero? To me, a hero is someone who fights for a cause, acts with self-sacrifice and works hard no matter what. Two people t...

16 years ago

Could someone show me how you would do the following question. Determine the roots algebraically by factoring: x^3 - 8x^2 - 3x + 90= 0

16 years ago

What is 5% of 44 and 15% of 90???

15 years ago

to calculate volume you use the formula V= area of b.s.(base area) x h(height) - How can I tell what face is the "base shape", especially with a triangular prism?

15 years ago

Combustion analysis of 0.300 g of an unknown compound containing carbon, hydrogen, and oxygen produced 0.5213 g of CO2 and 0.2835 g of H2O. What is the empirical formula of the compound? C2H5O C3H8O2 C2H10O3 C2H5O2

15 years ago

A runner takes 20 seconds to run 100 meters. How long to run 25 meters? (Ex. 25/100 = 20/?)

14 years ago

What types of cells in your body are no longer undergoing mytosis?

14 years ago

How do I separate a mixture of liquids?

14 years ago

Who was the first person to figure out the map? Who was the first American to figure out the map?

14 years ago

Is each ordered pair a slotuion of the given system? write yes or no. 1. y=6x+12 2x-y=4 (-4,-12)______

14 years ago

Comparez les deux dessins. Puis posez les questions suivantes a votre partenaire. Voire partenaire repond avec ne...jamais.., ne... plus, ne....personne ou ne...rien. Suivez le modele. There are pictures. One for 13h00 and one for 23h00. In the 13h00 one,...

14 years ago

I have a bit of information on Negative articles in french and stuff. Like I know there is Ne+ Pas Ne...Plus Ne...Rien Ne...Jamais Ne...Que Ne....Personne Ne Pas means: not, don't etc--a lot for this Ne plus means: not anymore, no more Ne Rien means: Noth...

14 years ago

Thanks a lot for your previous help with my assignments, and I have Windows. I don't know how to make accent marks:\

14 years ago

Please help me with this question: Calculate the theoretical yield amount of CaCl2 that would be required to change the temp of 50ml of water from room temp 20degree to 45 degrees. Heat Capacity H20 is 4.184 Jg^-1deg^-1 and density is 1g/mL. I've already...

14 years ago

There were 18,017 AIDS deaths in 2003, or 34.5% of the 1995 AIDS deaths. Determine the number of AIDS deaths in 1995. What formula who I use to solve this problem?

14 years ago

what are some alliterations for wild that describes a tiger?

13 years ago

I am trying to understand my essay question, but need help putting it in simpler terms. Question: How does Selvadurai’s text encourage a critique of normative ideas about gender and/or sexuality?

13 years ago

The coordinates of A and B are (7,-7) and (-2,2) respectively. If P and Q divide the line segment AB into 3 equal parts, find the coordinates of P and Q.

13 years ago

Find the compound form of v, given the magnitude of ||v||=3 and v in the direction of 3i + 4j.

13 years ago

An 850 gram chunk of ice at 0 degrees Celsius is dropped into a container holding 1.7 kg of water at an initial temperature of 35 degrees Celsius. Due to the presence of the ice, the temperature of the water eventually drops to 0 degrees Celsius. Show a m...

13 years ago

Can you help me find how many hours are received by these degrees of latitude during the winter (see details)? North Pole = 0 hrs of daylight Equator = 12 hrs of daylight South Pole = 24 hrs of daylight 66.5 degrees north = ? 23.5 degrees north = ? 23.5 d...

13 years ago

Expressed in simplest form, (n-1/n)/(1+1/n) is equivalent to... 1.)n-1 2.)n+1 3.)n-1/n+1 4.)n

13 years ago

How does a straw work? Using the Kinetic Molecular Theory to explain?

13 years ago

To rationalize the denominator of 4/(2+√8), Brittany multiplied by (2-√8)/(2-√8) and Justin multiplied by (1-√2)/(1-√2). Explain why both are correct.

12 years ago

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?

12 years ago

For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for (pi) and round to the nearest whole number. 1) Find the surface area of a sphere with a radius of 8 cm. a. 268 cm2 b. 804 cm2 c. 2,144 cm2 d. 201 cm2 2) Find the surface...

12 years ago

Find the volume of the cylinder. Use 3.14 for (π Pi) 34 m on top and 27 m down on the right. Please Help Me I try and try and nothing please please help me !!!!! :( :(

12 years ago

Which state is the least densely populated? 1. Alaska 2. Hawaii 3. Minnesota 4. New Jersey My Answer: # 2 Hawaii

12 years ago

I am having a little trouble with this problem. can someone please HELP! During a race, a runner runs at a speed of 6m/s. 2 seconds later, she is running at a speed of 10 m/s what is the runner's acceleration?

12 years ago

Explain how the author created the character (characterization). Explain the theme of a piece of literature. Compare and contrast two pieces of literature. Write about one of the authors we have studied.

11 years ago

For english i'm doing facts about mark twain and if i put " Around all of the facts, is it still plagiarism?

11 years ago

This is what i got so far but i need help with an opening paragraph and conclusion Mark twain used huck as narrator to see the innocent view of these difficult adult themes. in the eyes of a child, the morality of the situations he finds are much more con...

11 years ago

Could you guys check my answers? 1. Graph the function and identify the domaine and range. y=-1.5^2 Domain; (-,+) Range; (-,0) ( my answers.) 2.How is the graph of y=-2x^2-5 different from the graph of y=-2x^2 It is shifted units up it is shifted 5 units...

11 years ago

I need help with this. the map doesnt show anything and idk how to post the map on here... Match the cities A,B,C, and D with the weather description of the surface model (To the right of each letter) a. city A b. City B c. City C d. City D A. Pressure of...

11 years ago

A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for agri...

11 years ago

1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly 3-2x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7 <--- c. x+1/7 d. 2x+2/7 3. Simplify 6ab^6/4a^7b^10 * a^3b^4/2a^7b^6 a. 7x/8 - 2x/8 b. -5x/8 c. 3a^2b^3/4a^7b^8...

11 years ago

3) A student mistakenly uses the cuvette containing the most dilute standard solution, rather than the cuvette containing deionized water, as the blank solution. I don't understand why there would be lower concentration of Cr(VI) ion...

11 years ago

What is the product for the reaction of Ni(s) + 2Na^+(aq)? I don't think this is possible no?

11 years ago

What will the products be for Ni(s) + 2Na^+(aq)? I don't think this is even possible, so will this reaction even be possible?

11 years ago

A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the time in seconds, the ball is in the air. When will the ball hit the ground? How high will the ball go?

11 years ago

What are the solutions to the system? (Hint: graphing is the easiest!) y = x2 + 2x - 45 y = -3x + 5

11 years ago

Simplify: b. 4√10-√10

11 years ago

The president of Texas state University makes three times as much money as one of the department heads. If the total of their salaries is 290,000, find each worker's salary.

11 years ago

To estimate how high the cliff is you throw a rock off the edge and 7.8 s later you hear the rock hit the ground. The speed of sound is 330 m/s. Ignoring air resistance how high is the cliff?

11 years ago

Given that main memory is composed of only three page frames for public use and that a seven-page program (with Pages a, b, c, d, e, f, g) that requests pages in the following order: a, c, a, b, a, d, a, c, b, d, e, f. Using the FIFO page removal algorith...

11 years ago

Find an equation of all tangent lines for the curve x^2-xy+y^2=16 x=-2 2x-(xy'+y(1))+2yy'=0 2x-xy'+y+2yy'=0 y'(-x+2y)=-2x-y y'=-2x-y/-x+2y y'=-2(0)-y/-(0)+2y y'=-y/2y Not sure what to do now?

11 years ago

What is the molarity of HCL if it takes 16.5 mL of 0.100 M NaOH to titrate 10.0 mL of HCl? HCl + NaOH -> H2O + NaCl molarity = moles of solute/liters of solution

11 years ago

A car enters the freeway with a speed of 7.2 m/s south and accelerates uniformly for 4.2 km in 4.0 min. How fast (in m/s) is the car moving after this time? I only need the formula. My teacher gave us a list but did not tell the class which equation is fo...

11 years ago

Starting from rest, Mr.M's bus achieves a velocity of 25 m/s in a distance of 1.0 km. Find the time and the acceleration. I don't know which formula to use. Delta T = Vf - Vi / Aavg ?

11 years ago

I need to use zero product property on these equations and I just need a few examples to get myself started on the other problems since I don't understand it at all. :c Help is appreciated. Thanks in advance. f(x)=x^2+8x+12 g(x)=6x&2+20x-16

11 years ago

Little Timmy falls down a well and hits the water 1.5s later. Determine the distance from the top of the well to the water below. Just an equation would be fine. Thanks in advance.

11 years ago

I don't know if my answers are right. D: 1)Why is a time interval always positive? I'm not really sure but I wrote down something with vectors and scalars. 2)If the average acceleration of a car is zero in a given time interval, what can you tell about th...

11 years ago

Weight of the Rock Salt Sample: .343 (g) Weight of the Rock Salt Solution: 9.910 (g) Trial #1 Trial #2 Trial #3 Weight of Rock Salt Solution Delivered (g) : .89 1.17 .786 Weight of AgNO3 Solution Delivered (g) : 1.53 .548 .786 Concentration of AgNO3 : 4.7...

11 years ago

1. Why does George try to prevent Lennie from playing with small animals? (1 point) He doesn't want Lennie to have a pet until he proves he can keep out of trouble. He is worried that Slim will be angry if Lennie plays with the puppies. He is embarrassed...

11 years ago

P->P'(-8,-3) for the glide reflection where the translation is (x,y)->(x,y-5) and the line reflection is x=-5. what are the coordinates of P? (-8,-8) (-8,2) (-2,-3) (-2,2)

10 years ago

Which Roman contribution to political theory was adapted by the Founding Fathers?

10 years ago

What similarities do you see between the United States today and the United States of the past? What issues and problems do we continue to grapple with? What successes do we share with Americans in the past? I want to find something now in united states t...

10 years ago

log (sqrt4(x^16 / y^4)) What is the value of the expression when logx=8 and logy=1? My work: x=10^8 y=10 I tried to plug these in but my calculator but it said "overflow." Is there an easier way to do this?

10 years ago

A wire 17 inches long is cut into two pieces. One piece is bent to form a square and the other is bent to form a rectangle that is twice as wide as it is high. How should the wire be cut in order to minimize the total area of the square and rectangle?

10 years ago

A strong swimmer is one mile off shore at point P. Assume that he swims at the rate of 3 mile per hour and walk at the rate of 5 miles per hour. If he swims in a straight line from P to R and then walks from R to Q, how far should R be from Q in order tha...

10 years ago

Can anybody help me on this problem for my Algebra 2 class, I am having a hard time tyring to solve it step by step. The probability that an archer hits the target is p = 0.8, so the probability that he misses the target is q = 0.2. It is known that in th...

10 years ago

I need help step by step please I keep getting a wrong answer of 252? Find the 24th term in the expansion of (a + b)^ 25

10 years ago

I need help step by step please I keep getting a wrong answer of 252? Find the 24th term in the expansion of (a + b)^ 25

10 years ago

Please help me solve this problem step by step pleaseeee! The probability that an archer hits the target is p= 0.8, so the probability that he misses the target is q = 0.2. It is known that in this situation the probability that the archer hits the target...

10 years ago

Write the expression as a single fraction and simplify. 3/a + 3/b Is this when you cross multiply and get 3a + 3b? Except the answer has to be a fraction so I am not sure.

10 years ago

what is the difference between |-3| and -3.

10 years ago

Write an essay of at least 250 words that describes and explains examples of figurative language you found in Animal Farm when you completed your response journal on that topic. Include one example of each of the five types of figurative language from the...

9 years ago

Consider the chemical reaction below equated 2N2O5 (g) -> 4NO2 (g) + O2 (g) knowing that a certain period of time, N2O5 consumption rate is 0.10 mole / s, determine for the same time interval: a) the average rate of formation of NO2 b) the average speed O...

9 years ago

An 1750 kg weather satellite moves in a circular orbit with a gravitational potential energy of 1.69 x 10^10 J. At it's location, free-fall acceleration is only 6.44 m/s^2. How high above Earth's surface is the satellite?

9 years ago

Peter's lawn is 4800 square feet in area, and he mowed 1200 square feet of it. What fraction of his lawn still needs to be mowed?

9 years ago

Sally has a recipe that needs 1 1/2 tsp. of butter for every3 cups of milk. If Sally increases the amount of milk to 13 1/2 cups of milk, how many tsp. of butter are needed?

9 years ago

Some physical properties of water are shown below: melting point 0.0°C boiling point 100.0°C specific heat solid 2.05 J/g·°C specfic heat liquid 4.184 J/g·°C specific heat gas 2.02 J/g·°C ΔH° fusion 6.02 kJ/mol ΔH° vaporization 40.7 kJ/mol 80.0 kJ of heat...

9 years ago

1.Find an A.P. such that the sum of the first three terms is one half the sum of the next four terms,the first term being 12. 2.In an A.P.,the sum of the first three terms is 18,and the sum of the squares of these terms is 126.Find the terms.

9 years ago

Why is it important that "The Story of an Hour" takes place in the nineteenth century? In the nineteenth century, women were not considered equal to men. *** The characters use nineteenth-century expressions that are hard to understand. *** Nowadays, peop...

9 years ago

What are the elements in Group A1 on the periodic table? alkali metals alkali earth metals inner transition metals ** halogens

9 years ago

David Robertson works as a chemical engineer for U.S. peroxide Corporation. David has 2500 gallons of commercial-grade hydrogen peroxide solution that is 60% pure hydrogen peroxide. How much distilled water(which is 0% hydrogen peroxide) will David need t...

8 years ago

The equation y=−0.065x2+6.875x+6200 models the amount y of sugar (in pounds per square foot) produced where x is the amount of fertilizer (in pounds per square foot) used. What is the best approximate for the amount of sugar produced when 3 pounds per squ...

8 years ago

The probability of winning a large stuffed animal in the ring-toss game at a fair is 10%. Find the probability of winning at least 5 of 50 games using normal approximation. I got 0.4052 but answers says it's 0.5932. Please help!

8 years ago

5. Solve for x in the following system. 6x + 6y = -2 y = x I can't seem to figure this out, can someone give me some steps into solving this? I've tried so many times.

8 years ago

How were the Maya and Aztecs civilizations similar? A. They both lacked a strong government. B. They both developed complex mathematical and calendar systems.** C. They both used weapons superior to those of early eastern civilizations. D. These civilizat...

7 years ago

Tommy borrowed $600 at 9% for 12 months under a monthly installment plan. he must pay $8.7453 per $100 each month for 12 months. how much is his monthly installment payment?

7 years ago

The average atomic mass of nitrogen is 14.01 u. Nitrogen exists naturally as nitrogen-14 (mass = 14.00 u) and nitrogen-15 (mass = 15.00 u). What can you infer about the isotopic abundances for nitrogen? PLEASE EXPLAIN THE ANSWER

5 years ago

The 4th term of an AP is 20 and the 8th term is 60. Find the 15th term

4 years ago

If the price of a stock increases by 40% and then by an additional 25%, by what percent has the price increased from its original value?

4 years ago

Answers

The following answers were posted by visitors named Selena.

An Earth's plate moves at the speed of 45mm/yr. How far will the plate move in 100years?

16 years ago

Thank you Marth I understand that the mean you add all the numbers then divide by the how many #'s were added right. I understand all three of them but once again is the mode the one that is repeated more than once right.

16 years ago

If someone said Soy Jannie Gooden as an answer then what would be the question that was asked.

16 years ago

Thank you so much. I just wanted to make sure, does (je voudrais être plus physiquement active en participant aux activités régulièrement.) make sense?

16 years ago

Oh sorry, I'll try to re post the paragraph.

16 years ago

3.) Just like Mother Teresa, Barack Obama came from a family that taught him the importance of helping others. After college, he worked with a group of churches to help rebuild communities devastated by the closure of local steel plants. After attending l...

16 years ago

1.) What is a hero? To me, a hero is someone who fights for a cause, acts with self-sacrifice and works hard no matter what. Two people that I think would make the perfect hero are Mother Teresa and President Barack Obama. 1.) Quels est un héros? À moi, u...

16 years ago

Thankyou that was spot on you totally helped me PEACE!!!

15 years ago

Well, have fun with that! It should be a exciting time! And to your question, I have thought of a couple, see if you like.... 1. What is the best thing about your job? 2. What is the worst thing about your job? 3. What is your usual day like at work? 4. I...

15 years ago

Do you mean you are going to meet with one and you want to ask him about his job?

15 years ago

Well first you have to combine the variables, So lets start with the variable (the c), Take the -14c and put it with the 4c on the left side,to do this, you will have to +14 onto the 4c, so the answer is 18c. Next you have to get the numbers without varia...

15 years ago

So, 175/1 hour ?/7 hours you will have to multiply 175 by 7 to get the answer 175x7=1225 if you need more explanation, let me know!

15 years ago

oh thank you!!

14 years ago

um...I'm not entirely sure I think the old world map, but that's all I know

14 years ago

how do you write the equation of the line through (6,8) that is vertical

14 years ago

structures does not provide support for invertebrae bodies? C)Skin

13 years ago

Could you please prove how the ice doesn't completely melt? Don't you subtract 280,000 J and 250,000 J and get 30,000 J? and then you divide it by 334 J/g and get 105 g? But I don't know what you do next.

13 years ago

It becomes easier to identify through techniques such as karyotyping.

13 years ago

What is 12.60 converted into a fraction?

12 years ago

Why nobody wants to help me just check my answer and there if some of the answers are wrong then tell me the right ones !!! !!!!!!!!!!!! :-( :

12 years ago

OK, Thank You So Much For Understanding! :-)

12 years ago

OMG, Damon Thank You So Much!!!!! :D

12 years ago

Here is a other 1 is that OK Damon????

12 years ago

Find the surface area of the cone. Use 3.14 for pi 8'' in the bottom and 7'' in the right side

12 years ago

Hello can somebody answer anybody please :( :( help !!me

12 years ago

Thank You :-D

12 years ago

42000 and 48000 44286

11 years ago

Well for the first 2 i got answers. But this is an expository essay rough draft and we choose a short story and write about it with these questions. First one my answer is; He used huck as narrator to see the innocent view of these convulted adult themes....

11 years ago

For the third; Tom sawyer and Huckleberry Finn both loved going on adventures,where it was pretend and really loyal to friends.. Tom was more imaginative but in some ways the less kind hearted of the two. Write about one of the authors we have studied. AN...

11 years ago

And i know, i just need all the notes before i write.

11 years ago

Well lets say For city A; 57. 156. 53 b;61. 135. 56 c; 58,136. 11 d; 67.65.198

11 years ago

Earth space science.

11 years ago

thanx both of yall XD

lol damon answers all my question soooo thanx very much XD

11 years ago

That helped a lot Steve. Thank you.

11 years ago

Thank you so much! You didn't have to solve it for me, I only needed the formula, but thanks a lot!^^

11 years ago

Thank you guys so much ! ^^

Marshall knows that 0.01 is equal th 10 to the negative 2 how would he represent this using fractions?

10 years ago

5.30

10 years ago

Well, one Kelvin is well below freezing and one Fahrenheit is a little below freezing, and one Celsius is a little above freezing, so one Kelvin must be the smallest measurement for temperature.

10 years ago

Thank you!!!

10 years ago

Socialize. It makes sense. You wanna be around people so they can help you.

10 years ago

5566

9 years ago

4 because those are the shapes you can put 5 units in to

9 years ago

16x^2-121

9 years ago

Well for the first one I immediately scratched out C and D because they didn't make sense and had nothing to do with what the question was asking, so I stuck between A and B because but now I'm re-thinking and feel it might be D. Could you explain why my...

9 years ago

The national debt of a small country is 7,730,000,000 and the population is 2,484,000. What is the amount per person?

8 years ago

So you have to do 1 minus 0.4052 to get your answer?

8 years ago

A1. In gasto o es un gasto que no cambia; ni sube ni baja de un mes para otro. A2. Mis primos nunca recuerdan nada. A mis primos se les olvido la fiesta de mi abuelo. Para el otro examen porfavor estudia mas ;)

a is directly proportional to b.If a=15,then b=9

4 years ago

I thought it was subtractiom