Tuesday
July 7, 2015

Posts by Anonymous


Total # Posts: 82,691

algebra
Wait, sorry, my mistake. If it's the 2nd one then the answer should be x^2 + 4 The 1st one wouldn't be correct. as you would have (y+4)^2 = y^2 + 8y + 16
June 7, 2015

algebra
Is f(x) = sqrt(x) - 4 or is f(x) = sqrt(x - 4)? If it's the first one then you're correct.
June 7, 2015

Stats
Suppose that weights for women in their 20’s average 125 lb., with a standard deviation of 14 lb. For a sample of size 50 how likely is it that a random sample will produce a mean weight between 100 and 140 lb.?
June 7, 2015

Chemistry
Can someone please help me with this question? Hydrazine is somewhat toxic. Use the half-reactions shown be- low to explain why household bleach (a highly alkaline solution of sodium hypochlorite) should not be mixed with household ammonia or glass cleansers that contain ...
June 7, 2015

Writing Skill Test
taking a compass writing skill, can't remember how/ to figure it out.
June 7, 2015

quadratic functions
The graph of a quadratic function can have 0, 1 or 2 x-intercepts. How can you predict the number of x-intercepts without drawing the graph or (completely) solving the related equation? Suppose that the graph of f(x) = ax^2+bx+c has x-intercepts (m,0) and (n,0). What are the x...
June 6, 2015

math
I don't understand this, can you help with the following.... when G(x)=0 then the domain is different. G=0 wouldn't be a real number. example would be f=(G)=x+2 f(F)=2x+3 x=2
June 6, 2015

math
Mrs. sue please help
June 6, 2015

math
Ariel wants to choose 5 players for her basketball team. There are 7 players to choose from. How many different teams can Ariel make? A) 21 B) 35 C) 42 D) 56 please help me! And show how you got the answer! I thought you were supposed to go 7*6*5*4*3 but that doesnt equal any ...
June 6, 2015

logic
What does Plato say about the unexamined life? (Points : 1) It is worth living. It is not worth living. It is unnecessary. It is unholy. None of the above.
June 6, 2015

finance
Joanne and Ed Greenwood built a new barn with an attached arena. To finance the loan, they paid $1,315 interest on $40,000 at 5%. What was the time, using exact interest? (Do not round intermediate calculations. Round up your answer to the nearest day.)
June 5, 2015

Literature
Thank you so much Ms. Sue and Reed! I appreciate your help!
June 5, 2015

Literature
An author of a detective novel is most likely to use figurative language to? A. entertain the reader. B. suggest hidden meanings. C. mislead the reader. D. help the reader visualize a character. I think it is C or D, but I can't choose between either. I know for a fact ...
June 5, 2015

Algebra
Thanks!
June 5, 2015

Algebra
You want to buy 8 books for $19.68 each, estimate the total cost show your work. I did 19.68 x 8 and got 157.44 then rounded the answer and got 157 am I right? Or The second time I tried I estimated 19.68 and got 20 so then I did 20 x 8 and got 160 Is this right?
June 5, 2015

Science
Thank you Ms. Sue :-)
June 5, 2015

Science
A species of flowering plant produces vibrant blue flowers. The flowers attract both pollinators that spread the plant's pollen and herbivores that feed on the plant. An adaptation occurred through several generations of plant species, and the plant is now known for its ...
June 5, 2015

Algebra
Could my answer be just 10,000?
June 5, 2015

Algebra
How do I estimate a salary? I tried but I think it might be wrong Someone earns $389 a week I have to estimate the salary in 6 months which is 26 weeks. I multiplied 389 by 26 and got 10,114 Did I do this right?
June 5, 2015

math
how many lines of symmetry does a hexagon have i think its 8 or 16 i think its 8 @ms.sue
June 5, 2015

Algebra
u might wnt to delete this post
June 5, 2015

Algebra
Peach, if your from connexus, dont put ur name bc connexus ppl find u here
June 5, 2015

math
is #12 D? is #15 B?
June 5, 2015

math
12. Which function is a quadratic function? A. y=3x^2+x B. y=2x-1 C. y=3/x D. y= -|x| Which function rule represents the data in the table? x -3, -2, -1, 0, 1 y 1, -2, -5, -8, -11 A. y=-3x-8 B. y=1/3x -8 C. y=1/3x+8 D. y=3x+8
June 5, 2015

Math
either c or E
June 5, 2015

Math
I'm sorry that this game out messed up. In simplified form, 24x^4z^-2 / 8x^-3z = ? A. 3x / z B. 16x^7 / z C. 3x^7 / z^3 D. 16xz E. 3x^7z^3
June 5, 2015

Math
In simplified form, 24x^4z^-2 --------- = ? 8x^-3z A. 3x --- z B. 16x^7 ----- z C. 3x^7 ---- z^3 D. 16xz E. 3x^7z^3
June 5, 2015

math
A ice cream seller sells five flavours of ice creams. How many combinations of 3 scoops of cones are possible. Hint repition of flavours is allowed
June 5, 2015

physics
A stationary motion detector sends sound waves of frequency 0.0953 MHz toward a truck approaching at a speed of 42.6 m/s. What is the frequency of the waves reflected back to the detector? (Take the speed of sound to be 343 m/s.)
June 5, 2015

PSYCH
I agree.
June 5, 2015

History
Hmmm. Is something missing here?
June 5, 2015

6th Grade Probability
yes.
June 5, 2015

math
Lily uses 1 3/4 meters of ribbon to make a knot. She wants to make 9 similar knots for her cousins. How many meters of ribbon does Lily need ? Round your answer to the nearest meter.
June 5, 2015

math
The smith family drinks 1 4/5 liters of apple juice each day. the apple juice comes in a 2 liter bottle. How many bottles does mrs. smith need to buy every week?
June 5, 2015

Math
1 + 4 + 25 - 2 = 28
June 5, 2015

Math
How much larger than the sum of -1, -2, and 5 is the sum of the squares of these same integers? A. 18 B. 20 C. 22 D. 28 E. 32
June 5, 2015

Math
What are the factors of 12c^2 + cd - d^2? F. (4c + 3d) (3c - 2d) G. (4c - 3d) (3c + 2d) H. (6c + d) (2c - 6d) J. 6(2c - d) (c + d) K. 6(2c + d) (c - d)
June 5, 2015

Physics
The string is horizontal, the mass is on the right side attached to a pulley. I'm not sure which kind of vibrator was used.
June 5, 2015

Physics
I need to see a diagram of the setup, or a description. Was the string horizontal or vertical? where was the weight, how was it connected? What type of vibrator was used? How was it connected to the string?
June 5, 2015

Physics
It might be important on how the masses are connected, and the location of the pulleys.
June 5, 2015

Math of class-10
Show that 4/ root 3 is irrational number
June 5, 2015

Math of class -10
Prove that 2/ square root 12is irrational
June 5, 2015

Language Arts
Both the author of "Zoos: Joys or Jails?" and the author of "Why do we need zoos?" A. think animals should live in their natural habitats. B. believe animals are protected in zoos. C. wish people would make donations to zoos more often. D. want to help wild...
June 4, 2015

Math
Use sine law to explain why the 2 equal sides of an isoceles triangle must be opposite the two equal angles
June 4, 2015

Life orientation
What are the six ways that xenophobia can impact on individuals,groups and consequences?
June 4, 2015

Language Arts
I think its between dingy vs. colorful and disorderly vs calm I really think it is dingy vs colorful tho because the Tang town isn't exactly calm because sometimes the "demons" come and vandalize it
June 4, 2015

Social Studies
^^^ thank you so much!!!
June 4, 2015

Social Studies
Thank you Ms. Sue but it may just be me not able to comprehend the page also
June 4, 2015

Social Studies
I did appreciate it tho
June 4, 2015

Social Studies
^^ I did see that, but it didn't exactly help me out
June 4, 2015

Social Studies
how are the economies of Chile and Venezuela different and how are they alike
June 4, 2015

Reading book/ The giver
^^^^
June 4, 2015

Reading book/ The giver
Which of the following messages does the author most likely want you to take away from the reading this novel?(1 point) - Personal choice is critical to society.*** - Rules are made to be broken. - There is no place for memories in modern society. -Success for all depends on ...
June 4, 2015

Math
i got a. 10 ways
June 4, 2015

math
Simplify the trigonometric function sin^4⁡x-cos^4⁡x cos^2⁡â-sin^2⁡â=1+2cos⁡â (1+cot^2⁡x )(cos^2⁡x )=cot^2⁡x cot^2⁡t/csc⁡t =(1-sin^2⁡t)/sin⁡t (Work on both sides!) sinècscè- ...
June 4, 2015

math
Solve the trigonometric equation from 0¡ã¡Üx¡Ü360 tan⁡x+¡Ì3=0 2 sec^2⁡x+tan^2⁡x-3=0
June 4, 2015

math
Solve the trigonometric equation from 0¡ã¡Üx¡Ü360 tan⁡x+¡Ì3=0
June 4, 2015

math
The function f(x)=7/12 x^2+¦Ð is one-to-one on the domain if and if x¡Ý0. Find the f^(-1) (x).
June 4, 2015

math
Let equation of an hyperbola be y^2-4x^2+4y+24x-41=0 a. Find the standard form b. Find the center c. Find the vertices d. Find the foci e. Find the slant asymptotes
June 4, 2015

math
Let the equation of a circle be x^2+y^2-14x+8y+56 a. Find the standard form of the circle b. Find the center of the circle c. Find the radius of the circle
June 4, 2015

math
let equation of an ellipse be x^2+4y^2+6x-8y+9=0 a. Find the standard form of the ellipse b. Find the center c. Find the vertices d. Find the foci e. Find the eccentricity
June 4, 2015

Math
at 10:00 am on April 26, 2006, a building 300 feet high casts a shadow 50 feet long. What is the angle of elevation of the sun?
June 4, 2015

Science
If 15% of the radioactive material decays in 5 days, what would be the percentage of amount of original material left after 25 days?
June 4, 2015

physics
What experimental evidence do we have to show that matter is composed of particles
June 3, 2015

physics
A 7.74- g bullet is moving at 578.00 m/s as it leaves the 0.64- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel? Assume that the acceleration is constant.
June 3, 2015

Math
Alex plans to make a mosaic for his art class. How many one inch square tiles will he need to cover a surface that is 2 feet by 3 feet?
June 3, 2015

math
what is the percent that someone would be addicted to alcohol if they were drunk fives times a month?
June 3, 2015

CHEMISTRY
Ignoring activities, determine the molar solubility (S) of Zn(CN)2 in a solution with a pH = 1.94. Ksp (Zn(CN)2) = 3.0 × 10-16; Ka (HCN) = 6.2 × 10-10.
June 3, 2015

CHEMISTRY
Determine the molar solubility (S) of Ag2CO3 in a buffered solution with a pH of 3.378 using the systematic treatment of equilibrium. Ksp(Ag2CO3) = 8.46 × 10–12; Ka1(H2CO3) = 4.45 × 10–7; Ka2(H2CO3) = 4.69 × 10–11.
June 3, 2015

LA
Thanks fish and jazmine, I got 100% as well
June 3, 2015

Social Studies
^^ I haven't found out yet sorry or else I would have helped you
June 3, 2015

Social Studies
If someone could check my answers that would be great :) 1. What did the effect of the breakup on the Soviet Union have on Cubans? a.Food, medicane, and tools became scarce in Cuba b. Cuba was divided into smaller territories c. The Soviet Union granted Cuba its independence d...
June 3, 2015

SOC120
Where does evidence/data come from? What what role does Evidence/date play In understanding a theory?
June 3, 2015

Math
The coefficient is -9, this is because if u rearrange the equation you get -2x^2 -9x +7 the question only asks for the coefficient of x not x^2.
June 3, 2015

Social Studies
^^^ thank you
June 3, 2015

Social Studies
Can someone give me a link(s) about the economy of Chile and Venezuela please.
June 3, 2015

math
a. 29, 41 This is because the pattern is going up by 2's (4, 6, 8...) therefore the next in line is 10 and 12. Hence the answers 29 and 41.
June 3, 2015

Geometry
The standard equation of a circle is (x-h)^2 + (y-k)^2 = r^2 Where h and k are the coordinates for the centre. Hence(h, k) is (0, 2) respectively. and the radius is 2 units Now all you have to do is substitute it in. (x-0)^2 + (y-2)^2 = 2^2 alas the standard equation is, (x-2...
June 3, 2015

Math
For all x is not equal to 0 and y is not equal to 0, (2x^-3y^4)^3 / (4xy)^2 = ? F. y^10 / 2 G. 2y^10 / x^10 H. y^10 / 2x^11 J. y^3 / 2x^2 K. y^9 / 4x^4
June 3, 2015

Calculus
v(t)= t^3 - 3t^2 + 3t Are there any times after t = 0 where the particle comes to a stop? Does the particle ever slow down?
June 3, 2015

economic
A detailed description with graphs of how milk would have been determine in the abstance of government involvement in the market
June 3, 2015

economics
in South Africa
June 3, 2015

math
Between which two rational numbers is located?
June 3, 2015

economic
A detailed explanation with graphs of how the price of milk would have been determine in the abstance of government involvement in the market?
June 3, 2015

history
How did President Clinton help bring out the Camp David Accords?
June 2, 2015

Math
Write the expression in terms of costheta and then simplify. cos^4theta - sin^4theta + sin^2theta Ans: cos^4 θ - 1 - cos^4 θ + 1 - cos^2 θ = -cos^2 θ
June 2, 2015

psych 100
The basic building block of the nervous system is
June 2, 2015

Health
hearing
June 2, 2015

reading paragraph and bar graphs
Casey said that 40 people were surveyed. Is his answer reasonable? Explain
June 2, 2015

Math
Can -x^2 - 5x + 4 be written as x^2 + 5x - 4?
June 2, 2015

Math
Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term. 5, -10, 20, -40, 80, -160.... Ans: a(n) = 5(-2)^n - 1 20th term: -2621440
June 2, 2015

Math
V, W, and X are part of one polygon, and R, S, T are part of another polygon. So why is V to W calculated?
June 2, 2015

Math
Determine whether the polygons with the given vertices are similar. Support your answer by describing a transformation. V(3,2) W(8,2) X(1,5) R(6,4) S(16,4) T(3,15) I think they are not similar because V and W are dilated by 2 and X is dilated by 3. They need to be dilated by ...
June 2, 2015

physics
Mechanical energy is the difference between the kinetic and potential energies of an object. true or false?
June 2, 2015

French
Thanks!
June 2, 2015

French
He says he doesn't like to play sports in the winter, and "alors" means so, so I think he goes to the MJC in the winter.
June 2, 2015

French
"Plage" means beach, and an MJC is basically a club. The reason I ask the question is because it seems like the person in the letter says that he goes to the MJC in the winter, not the summer. And since he says he goes to his uncle and aunt's place in the summer ...
June 2, 2015

French
Salut! Je m'appelle Karim et j'ai 16 ans. J'habite à Paris avec ma famille: mon pere, ma pere, mes deux freres et ma soeur. Moi, je suis grand et mince et j'ai les cheveux noirs et les yeux marron. Je suis sympa et tres sportif. Je fais du jogging, du ...
June 2, 2015

Math
So if (0, 0) was reflected over y = x + 1, then would the vector be (-1, 1)? This isn't exactly related to the above question, but just wanted to check. Thanks!
June 2, 2015

Math
A figure in the coordinate plane is reflected across the line y = x + 1 and then across the line y = x + 3. Find a translation vector that is equivalent to the composition of the reflections. Write the vector in component form. I know the answer is (-2, 2), but how?
June 2, 2015

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