Monday

September 22, 2014

September 22, 2014

Total # Posts: 72

**Physics**

A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 12.40 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.
*October 13, 2013*

**12th grade MATH**

1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame (8+2x)(12+2x)-96 = 96 (8+2x)(12+2x)=96+96 96+4x(2)=192 4x(2)=192-96 4x(2)=96 x(2)=96/4 x/2=24/2 x=12 is it...
*October 7, 2013*

**Monessori**

What is the greatest number that would be produced when 750 is rounded off to the nearest hundreds?
*July 9, 2013*

**Montessori**

What is the greatest odd number that would be produced when 660 is rounded off to the nearest hundreds?
*July 9, 2013*

**Montessori**

What is the greatest number that will produce 1220 when rounded off to the nearest tens?
*July 4, 2013*

**Chemistry**

What is the difference in alkane and Alkene functional group?
*June 3, 2013*

**math**

Yes last number is 5,13
*February 28, 2013*

**math **

3.4-2.44+5,13 simplest form
*February 28, 2013*

**math**

Oh sorry dear let me check it again
*February 28, 2013*

**math**

(X+6)^2. X^2+6x+32
*February 28, 2013*

**math**

(X+1)(x+48). X^2+47x+48
*February 28, 2013*

**math**

350-32. 318
*February 28, 2013*

**math**

Simplest form. 350-(21+11)
*February 28, 2013*

**math**

Write 51% as a proper fraction.
*February 28, 2013*

**math**

Wow thank you
*February 28, 2013*

**math**

8*100+2*10+5*1. 800+20+5
*February 28, 2013*

**math**

Write in expanded form. 825
*February 28, 2013*

**math**

81/1%
*February 28, 2013*

**math**

Arrange the following in descending order. 0.8333;4/3;81.1%
*February 28, 2013*

**math**

I'm lost really help me out!
*February 28, 2013*

**math**

Calculate the following and write your answer in the simplest form. Please show all your calculation. 4 2/6-1 2/12+2 1/4
*February 28, 2013*

**Counseling**

Thank you
*February 24, 2013*

**Counseling**

If I could get an example of the assignment. I am stuck on how or what is expected. This is the assignment: Using Erikson's psychosocial theory and Piaget's cognitive development theory, create four case studies in which the characters are clearly in specific stages. ...
*February 24, 2013*

**Counseling**

Using Erikson's psychosocial theory and Piaget's cognitive development theory, create four case studies in which the characters are clearly in specific stages.
*February 24, 2013*

**enviromental science**

what are the two causes of density in deep current waters.
*April 11, 2012*

**physics**

A jetliner has a velocity of 95 m/s. What is the displacement of the jetliner at t=3.0 seconds
*April 2, 2012*

**physics**

can someone answer this
*March 7, 2012*

**physics**

a kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite direction in 2.00 s. What is the acceleration of the ball of yarn ? a) 8.75 cm/s2 b) 10.75 cm/s2 c) 9.75 cm/s2 d) need more information
*March 7, 2012*

**physics**

can someone answer this
*March 7, 2012*

**physics**

okay a race car's velocity increases from 4 m/s to 36 m/s over a 4 s time innterval, its average acceleration would be 10 m/s 2 ? would this question be true ?
*March 7, 2012*

**physics**

a motorized scooter starts from rest and accelerates for 4 s at 2 m/s2. it continues at a constant speed for 6 s . What is the scooter's average velocity for the interval 0-4 s ?
*March 5, 2012*

**physics**

A race car accelerates from 0.0 m/s to 30.0 m/s with a displacement of 45.0 m. what is the car's acceleration ?
*March 5, 2012*

**statistics**

P(proportion) is 0.05446, n is 863 and a 90% confidence interval is required. What is this confidence interval?
*December 23, 2011*

**statistics**

3. Nationally, the distribution of weapons used in robberies is as shown in the table along with the weapon used in 1652 robberies on school property. Weapon Overall 1652 Robberies Gun 0.42 329 Knife 0.09 122 Strong-arm 0.40 857 Other 0.09 344 Does the distribution of weapons ...
*December 23, 2011*

**Calculus**

Find all points on the curve here the slope is 1 y = x^4 - 31x + 11
*October 13, 2011*

**Calculus**

Find all points on the curve where the tangent line is horizontal y = (x^6/6) - (x^2/2) + 1
*October 13, 2011*

**Calculus**

Find the indicated limits. If the limit does not exist, so state, or use the symbol + ∞ or - ∞. f(x) = { 2 - x if x ≤ 3 { -1 + 3x - x^2 if x > 3 a) lim 3+ f(x) x->3 b) lim 3- f(x) x->3 c) lim f(x) x->3 d) lim ∞ f(x) x->3 e) lim -∞ f...
*October 8, 2011*

**Calculus**

Find the constant c so that lim [x^2 + x + c]/[x^2 - 5x + 6] exists. x->3 For that value of c, determine the limit. (Hint: Find the value of c for which x - 3 is a factor of the numerator.)
*October 8, 2011*

**Algebra**

logx4 = 1/3
*September 29, 2011*

**Algebra**

(log base 2, cube root of 2) log2(2^1/3)
*September 29, 2011*

**Algebra**

ln x^2(x+1)/x+2 Write in terms of ln(x), ln(x+1), and ln(x+2)
*September 29, 2011*

**Math**

ln x^2(x+1)/x+2 Write in terms of ln(x), ln(x+1), and ln(x+2) is the correct steps this? lnx^2 + ln(x+1) - ln(x+2) = 2lnx + ln(x+1) - ln(x+2)
*September 29, 2011*

**Math**

log4x^4 + log4^2 = 3 Solve the logarithmic equation.
*September 29, 2011*

**Math**

1/2z - 1/4w = 1/6 1/2z + 1/4w = 1/6 Solve the system of equations algebraically.
*September 29, 2011*

**calculus**

consider the initial value problem dy/dx=y^2+1, y(0)=0. estimate y(2) 1) use h=1 to compute your estimate I got x1=1 x2=2 y=1=1 y2=3 2)use h=1/2 to compute your estimate I got x1=1/2 x2=1 x3=1.5 x4=2 y1=1/2 y2=9/8 y3=289/128 y4=5.306671143 3) use h=1/8 to compute your answer ...
*March 21, 2011*

**science**

I know but it doesn't say the butterfly's exact predators. It repeats itself twice. Sorry.
*February 24, 2011*

**science**

Thank you but i need help on a specific butterfly called the HOLLY BLUE BUTTERFLY.
*February 24, 2011*

**science**

Oh! Do they eat nectar?
*February 24, 2011*

**science**

I am researching on a butterfly named Holly Blue. I know they live in gardens and woodlands. I need help because I want to know what dangers they might face in a GARDEN that they need to avoid, what creatures they might encounter and what they can find in the garden the ...
*February 24, 2011*

**College Chemistry**

the answer is correct....thnks
*November 19, 2010*

**chemistry**

If 50.0 g of NaCl is mixed with 100.0 g of water at 80.0 °C, how much will not dissolve?
*October 19, 2010*

**history**

I don't understand "What is the Third Estate?" by Abbe Sieyes. I am supposed to answer some questions on it, but i don't know how i can do that when i am not sure what he is saying.
*April 18, 2010*

**chem**

i forgot how to figure out percent composition, can anyone help me out?
*April 11, 2010*

**chem**

i forgot how to figure out percent composition, can anyone help me out?
*April 11, 2010*

**history**

i need good references for political groups during the russian revolution
*April 8, 2010*

**Chem.**

can anyone give me a good web site to review Alcohols Aldehydes o Ethers o Ketones o Carboxylic acid o Esters o Amines o Amides
*March 31, 2010*

**chemistry**

Using the Hybridisation theory, please account for the observed bonding pattern in the following molecules: Cl Cl H | | | C - C H-C-C(triple bond)C-H | | | Cl Cl H
*March 2, 2010*

**History**

i need a good website to find stuff on catherine the great
*February 22, 2010*

**social studies**

Thomas Jefferson
*February 10, 2010*

**social studies**

what are the main sources of fresh water in the united states? how do people use this natural resource?
*September 20, 2009*

**social studies**

how are coastal plains and the interior plains different
*September 20, 2009*

**social studies**

how are coastal plains and the interior plains alike
*September 20, 2009*

**pre calc need help**

4x +2/3-3/4 =1/2 or, when you combine 2/3 and -3/4, 4x-1/12=1/2 It's saying that you get 1/2 if you multiply a certain number by 4, then subtract 1/12 from it. You want to find the number itself, so peel away all of the operations you performed on it: ADD BACK THE 1/12: 4x...
*April 29, 2009*

**math**

Find the volume of a spherical water tank that is 18 feet in diameter. Use 3.14 for pi. Round to the nearest hundredth.
*December 21, 2008*

**math**

1 1/8
*December 21, 2008*

**math**

The diameter of a sphere is 2 1/4mm. Find the radius.
*December 21, 2008*

**MATH**

USE THE FORMULA: A=P+I.P, WHERE A IS THE VALUE OF THE INVESTMENT IN ONE YEAR, P IS THE ORIGINAL INVESTMENT, AND I IS THE INTEREST RATE FOR THE INVESTMENT. FIND THE INTEREST RATE FOR AN ORIGINAL INVESTMENT OF $3,000 WHICH HAD A VALUE OF $3,450 AFTER ONE YEAR.
*December 21, 2008*

**S.S**

how tall is shaq
*November 25, 2007*

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