Wednesday

July 29, 2015

July 29, 2015

Total # Posts: 82,972

**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^4x-cos^4x cos^2â-sin^2â=1+2cosâ (1+cot^2x )(cos^2x )=cot^2x cot^2t/csct =(1-sin^2t)/sint (Work on both sides!) sinècscè- ...
*June 4, 2015*

**math**

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

**math**

Solve the trigonometric equation from 0¡ã¡Üx¡Ü360 tanx+¡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*

**logic**

Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player, the CD player will...
*June 2, 2015*

**Math**

It's kind of confusing. Can you show me without putting z.
*June 2, 2015*

**Math**

I need help with this question: Express below function in terms of f(x) if f(x)= x^2 y= 3(-4x-2)^2 + 5
*June 2, 2015*

**Math**

ok tell me if i did this question correct. I just worked out the question. -f(0) =(-3/2, 0) -f(1) =(-1, -4) -f(2) =(-1/2, -4) -f(3) =(0 , -10) -f(4) =(1/2, -16)
*June 2, 2015*

**Math**

I still don't understand.
*June 2, 2015*

**Math**

I need help with this question. Suppose that f(0)= 0 , f(1)= 4, f(2)= 4, f(3)= 10, f(4)= 16 and g(x) = -f(2x+3). Find any 5 points on g(x).
*June 2, 2015*

**math**

Thats what i thought too! I was just unsure but thank you!
*June 2, 2015*

**math**

144^14/144^2 A.144^16*** B.144^12
*June 2, 2015*

**Math**

a news carrier has $7.00 in change he has 8 more quarters than dimes and five times as many nickels than quarters.how many coins of each type does he have ?
*June 2, 2015*

**CHEMISTRY**

calculate the volume of air required for complete combustion of 1m^3 of gaseous fuel having the combustion:CO=46%,CH4=10%,H2=4%,C2H2=2.0%,N2=1% and the remaining being CO2
*June 2, 2015*

**life orientation**

what are the problems that the community faced? what did the community members do before the protest?
*June 2, 2015*

**life orientation**

describe a recent service delivery protest in your community
*June 2, 2015*

**physics**

Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.6 kg · m2 and an angular velocity of +7.9 rad/s. Disk B is rotating with an angular velocity of -10.6 rad/s. The two disks are then linked together without the aid of any external torques, ...
*June 2, 2015*

**Math**

Which angle measure is closest to 8 radians? A. 100 degs B. 120 degs C. 150 degs D. 360 degs
*June 2, 2015*