# lexie

Most popular questions and responses by lexie
1. ## Math

What is the simplified form of The quantity x to the fourth power minus 81 divided by the quantity x plus 3 ? A. x cubed minus 3 times x squared plus 9 times x minus 27 B. the quantity x squared plus 9 times the quantity x squared minus 9 C. x cubed plus 3

2. ## Math

Lynn was shopping and found a purse that was marked with a discount of "1/3" off. If the original cost of the purse was \$80, how much will Lynn pay?

What is one role fats play in keeping your body healthy? A. maintaining healthy skin and nails B. aiding muscle growth C. removing waste D.lubricating joints I believe it's C, but I'm not quite sure. I'm a cyber school student and I can't seem to find the

4. ## Geometry

I am ask to write a two column proof. Given that AD is the diameter of circle O, and DC is tangent to O at D. Prove that Triangle ABD ~ (congruent) to triangle ADC

5. ## Chemistry

Write skeleton equations for these reactions. a. butane(l) + oxygen (g) --> carbon dioxide(g) + water(l). b. aluminum carbonate(s)--> aluminum oxide(s) + carbon dioxide(g) c. silver nitrate(aq) + sodium sulfide(aq) --> silver sulfide(s) + sodium

6. ## Psychology

Using learning theory,explain how a person could develop a phobia.make sure that you address the following: Definition of phobia Reinforcement Classical conditioning Punishment

7. ## chemistry

Block A of an unknown metal has a volume of 125 cm3. Block B of a different metal has a volume of 145 cm3. If block A has a greater mass than block B, what can be said of the relative densities of the two metals? (Assume that both blocks are solid.)

8. ## Statistics

According to insurance records a car with a certain protection system will be recovered 90% of the time. Find the probability that 5 of 6 stolen cars will be recovered.

9. ## calculus

what is the domain of f/g,given f(x)=x+6 and g(x)=x-5?

10. ## math

For each quadratic, state the direction of opening and the y-intercept. a.y= 3x^2+2x-5 b.y=x^2-7x c.y=-x^2+12

11. ## history

what was the impact of the Mexican-american war on the following elements of antebellum american national life:territorial expansion,nationalism,politics,and sectionalism.

12. ## history

how did women's rights movement evolve out of other reform movements.especially the abolition movement?why did the women's rights movement make only slow advance?

13. ## history

what was the second party system?why did it arise?in what ways was it markedly different from the political system of the era of the nation's founders?

14. ## Psychology

Everyone has felt some level of depression,but not everyone has suffered from major depression.explain the difference between the two and give two symptoms of when depression is more that just feeling down.

15. ## math

find the slope of the line passing through the points (-5,3) and (7,9)

16. ## Physics

19. Two people of unequal mass are initially standing still on the ice with negligible friction. They then simultaneously push each other horizontally. Afterward, which of the following is true? * -The center of mass of the two person system moves in the

how many different bracelets can be made from 7 white beads and 2 grey ones//?

18. ## physics

A large boulder sits at the top edge of a cliff, this is boulder A. A smaller boulder sits on a ledge half way down the same cliff, this is boulder B. Which boulder has the greatest potential energy, A or B?

19. ## science

what kinds of animal cells might have alot of mitochondria present?

20. ## Chemistry

how would you sent up aluminum carbonate --> aluminum oxide + carbon dioxide. im guessing AlCo3 --> AlO3+Co2 but i don't think that's right

21. ## science

what kind of animal cells may have alot of mitochondria present?

22. ## math

Why do the cow hate the farmer?

23. ## Algebra

Solve the quadratic equation. 3x^2-15x+18=0 I know that the formula to quadratic equation is x=-b+and-(square root)b^2-4ac divided by 2a. I know that a=3, b=-15 and c=18, then subsitute in and get two answers, my problem is that I keep getting an answer

24. ## Chemistry

A 0.327 g sample of a mixture of NaOH(s) and NaCl(s) requires 31.5 mL of 0.150 M HCl(aq) to react with all the NaOH(s). What is the mass percentage of the NaOH(s) in the mixture?

25. ## Spanish

My answers were incorrect. These were the instructions. Choose the correct form of the following verbs in the pretérito perfecto: Ayer _______ toda la tarde (all afternoon). My answer neivo. Anoche María y yo _______ una mila (mile) My answer corrieron.

26. ## Chemistry

In order to raise the temperature of 5.0 Kg of water from 20 deg. C to 30 deg. C, a 2.0 kg iron bar is heated and then dropped into the water. What should the starting temperature of the bar be? (Specific heat Fe is 0.22 cal/g-deg.)

27. ## Algebra 2

Find all the values of j such that the quadratic equation 5x^2+x+4j=0 has no real solutions. Write your answer as an equality or inequality in terms of j.

28. ## triangle

1,600x8= what on a math triangle i cant get it

29. ## College Algebra

Find the present value of \$100,000 if interest is paid at a rate of 8% per year, compounded monthly, for 5 years.

30. ## math

The point A (7, 6) is reflected about the line x = 3, then about the line x = k. The final image is A”(5, 6). What is the value of k?

31. ## Physics

Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 83 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

32. ## Making a handmade computer, printer, mouse and tow

Just wandering if you had any good ideas how to create these items? They said that we could make it out of anything....styrofoam..cardboard...you have to be creative and decorate to your own style...?? Please HELP !!!! THANKS!!!! LEXIE

33. ## Science

What type of reasoning occurs when bits of specific information are gathered together in order to make a generalization? deductive inductive demonstrative productive im not sure...my teacher just gives us the worksheet and leaves to the lounge

34. ## math

how many different bracelets from 7 white beads and 2 gray ones.

35. ## math

12-4.8= show work

Hi! This question says Joe is thinking of o function machine.He says that the output is 12 if the input is 4.what are 2 rules that he could be thinking of for his function machine?( I would really be grateful if you helped me) ;)thanks

37. ## Math

What nominal annual rate of interest compounded yearly is required to double an investment in 13 years?

38. ## GVCS

how do u find the standard numeral for 9.3x10^-4

39. ## physical science

If the larger boulder has a mass of 50 kg and a height of 150 m from the ground what is its GPE?

40. ## physical science

If the larger boulder has a mass of 50 kg and a height of 150 m from the ground what is its GPE?

41. ## 7th grade language arts

What are some introduction techniques for writing a persuasive letter?

42. ## language arts

It's a panda planet keep them here. This is part of a poem! Please tell me if there is a coma after the word planet. Thank you so much for the help.

44. ## Statistics

Help me understand this problem, I have several more like this & want to get an understanding on to solve it: The mean score,x, on an aptitude test for a random sample of 9 students was 64. Assuming that standard deviation=16, construct a 95.44% confidence

1. ## History

This is regenia by the way posting on my friends because i'm on her laptop

posted on December 6, 2018
2. ## History

Slavery was a highly controversial subject in the 19th century; Some people were proslavery while others were antislavery. Over half of the united states believed that slavery was unjust, but the Southern states believed slaves were necessary for a

posted on December 6, 2018
3. ## History

@ms sue i have already wrote it i just need someone to proofread it and make sure it is adequate (i meant to put that on the question)

posted on December 6, 2018
4. ## Psychology

A phobia is a fear of an thing or situation such as spiders or heights.(reinforcement)A child touches a dog and it growls(classical conditioning).The child has grown up with the fear of dogs(punishment). @ms.sue

posted on December 4, 2018
5. ## Science

6 is c

posted on May 14, 2018

bob you are rong on true

posted on May 10, 2018
7. ## math

Maria cut a pizza into 8 equal slices she put a slice of pizza on 3 plates what is the measure of the angle for the slices that are left

posted on March 9, 2018
8. ## Math

Abababahwbqbqbajsnan Anwhanqbwjjahebqnqn Sjsnajwn Kwjwnqmqkwka

posted on March 8, 2018
9. ## technolgy

A C B A trust me on this one, I got 100% with these answers

posted on September 27, 2017
10. ## tec

B B A Just took it

posted on October 26, 2016
11. ## Mayans and aztecs

how did the aztecs acquire most new pieces of land

posted on April 27, 2016
12. ## Earth science

for real where the diagram at homie

posted on January 15, 2016
13. ## MATH

Angles and dgrees

posted on January 7, 2016
14. ## French

Write at least eight sentences, four of which must use savoir, four of which must use connaître. Of each set of those four, 2 of each verb must be in the passé composé. Use a variety of subjects pronouns (I, you, he/she, we, they).

posted on December 7, 2015
15. ## Language Arts

Did anyone get the answers ?

posted on May 21, 2015
16. ## Science

so what was 3?

posted on April 24, 2015
17. ## algebra

What is the parent function of a quadratic function?

posted on March 14, 2015
18. ## Science

I'd say Sandstone as well as Alie

posted on February 12, 2015

So, it would be C then?

posted on October 28, 2013
20. ## World Cultures

The Greek armies had retreated due to alex the Great aiding in the defeat of the Mauryan.

posted on October 21, 2013
21. ## Math

i have th exact same problem!

posted on June 6, 2012
22. ## physics

If you're in a smooth-riding bus that is going at 50 km/h and you flip a coin vertically, what is the horizontal velocity of the coin in midair?

posted on October 5, 2011
23. ## Chemistry

okay im getting closer(: so would nicket(II) oxide be NiO2 and dichlrine pentoxide be Cl2O5

posted on November 16, 2010
24. ## Chemistry

okay im sure i can get one right soon. now if it has a polyatomic in the equation like Tin(IV) nitrate would it be SnNO3? and if it produces iron(III)nitrate would it be Fe(NO3)3

posted on November 16, 2010
25. ## Chemistry

sorry but i want to make sure im doing this right. for lithium+gold(III chloride-->lithium chloride+gold would it be Li+AuCl2-->LiCl2+Au?

posted on November 16, 2010
26. ## Chemistry

okay now i get it. thanks so much

posted on November 16, 2010
27. ## Chemistry

So the reactants don't need the charge number only the products but for letter c. what do you do when you have two elements would it be FeO3?

posted on November 16, 2010
28. ## Chemistry

okay. if i was balancing it though would it be H2+ I2-->2HI? and for the second one to see if im doing this right: Al3+I2--> AlI3?

posted on November 16, 2010
29. ## Chemistry

So the first one would be: H2+I--> HI2?

posted on November 16, 2010
30. ## Chemistry

how do you do it? like how do i write it like not in word but like with the symbols

posted on November 16, 2010
31. ## history

The Georgian style was used when America was being controlled by Great Britain. Jefferson wanted to emphasize their independence and freedom by creating non-British buildings.

posted on May 2, 2010
32. ## Algebra

I got 3 and -2. But to check it, wouldn't you substitue it the 3 and then the -2 in the original equation and it should be 0=0?

posted on April 22, 2010
33. ## physics

A has greater PE?

posted on December 7, 2009