Tuesday
May 31, 2016

Posts by Ana

Total # Posts: 1,213

Intermiate Algebra
Reduce the Rational expression to lowest terms: 3x2-9x+6/10-5x
December 9, 2012

Ratio
Help meeeeee plz.....
December 3, 2012

Ratio
A jar contains 2 red marbles,6 blue marbles,4 white marbles, and 12 black marbles. What is the ratio of white marbles to all marbles?
December 3, 2012

Algebra2
Find the center and radius of the given circle. 1. x^2 + y^2 + 10y + 21 = 0
November 28, 2012

Algebra 2
Energy Use Light Output 35 2250 50 4000 70 5800 100 9500 150 16000 What is the quadratic model for the light output with respect to use energy use? I dont understand this at all Please help ):
November 27, 2012

Physics
Examine the table below as the spearation distance is doubled ow much does the electrostatic forces decrease? 1 20.0 Cm 0.1280N 2 40.0 cm 0.0320N 3 60.0 Cm 0.0142N 4 80.0 CM 0.0080N 5 100.0 CM 0.0051
November 26, 2012

math
Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the class? a) Multiply the ones. Record; b) Multiply the tens. Record; c) Multiply the tens. Record. Multiply the ones. Record. Add the partial ...
November 15, 2012

math
Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the class? a) Multiply the ones. Record; b) Multiply the tens. Record; c) Multiply the tens. Record. Multiply the ones. Record. Add the partial ...
November 15, 2012

Writing
I am doing a journal review paper for Psychology. What are the implications of this work (i.e. what light does it shed on the particular topic related to psychology)? I do not understand the question. What is it asking me to do? Can someone explain the question so I am can ...
November 14, 2012

Psychology
I am doing a journal review paper. What are the implications of this work (i.e. what light does it shed on the particular topic related to psychology)? I do not understand the question. What is it asking me to do?
November 14, 2012

math
Write your answer using only positive exponents. 30u^-15/34u^-16
November 7, 2012

math
what is a millogram
October 25, 2012

math
thanks mrs. sue !!! you are the best you are an lifesaver!!! and just to be sure 2 and 7/8
October 20, 2012

math
Cassandra has a square photo that has lengths of 4 inches. She cuts 5/8 inch off the top and 1/2 inch off the bottom. What is the new height of the photo?
October 20, 2012

Physics
I got the correct answer for the thrower, but for the catcher to find the second velocity, I follow the formula but it still counts it as wrong. What could I be doing wrong?
October 17, 2012

geometry
Draw and label the following: segment AB intersects segment CD at point M. M is the midpoint of both segments. If AM = x2 + 8x + 17 and MB = 12x + 14, find AB.
September 29, 2012

Psychology
What are some examples of self-monitoring techniques? What are some examples of self-managing techniques? NOTE: I just need some ideas.
September 25, 2012

Psychology
So, just basically talking about myself?
September 24, 2012

Psychology
What am I suppose write about when I am asked to describe my self-concept? Note: Do NOT just give a link to the definition. I know what it means already.
September 24, 2012

Math
Sharon Tate words in six seconds at this rate how many words does she type in 4 minutes
September 18, 2012

physics
B. Assume the child is 1.2 meters tall and casts a shadow of 6.4 meters. Determine the angle of the sun at that moment.
September 6, 2012

math
three pies are cut into sixths .how many pieces will there be
September 3, 2012

math
how to simplify the following,please step by step 56x^7+21x^4+63x^3
September 3, 2012

Algebra 1
4x+(-9+3x)=-5
August 27, 2012

chemistry
Determine the electron geometry, molecular geometry, and idealized bond angles for each of the following molecules. In which cases do you expect deviations from the idealized bond angle?1.pf3 2.sbr2 3.ch3br 4.bcl3
August 23, 2012

Math
Juan had three pieces of stick. The longest one measured 64 cm and is twice as long as the other two pieces. Find the total length of the sticks.
August 22, 2012

averages
The answer is 70. First off if we want to know the LEAST possible value for a, then b, c, d, e have to be the MAXIMUM value. In this case it would be e=109, d=108, c=107, and b=106. Now that we have values for all the variables except a, we can solve for a. To solve for a, we ...
August 7, 2012

math
A person has invested $6000 . Part of the money is invested at 3% and the remaining amout at 4% . The annual income from the two investment is $225.How much is invested at each rate?
July 24, 2012

Math
What is the answer here? Find the sum of the biggest odd numbers formed by the digits 1 and 2 and the smallest even number formed by the digits 6,7,8
July 20, 2012

algebra
30% of 59
July 19, 2012

Physics
If you must stop your moving car in a hurry, should you slam on the brakes and lock them?
July 16, 2012

Calculus
Solve the equation (3^x)^2-12*3^x+27=0 Simplify and write without negative exponents: 3^2(x^-2y^3)^3/4^1/2*x^-4cuberooty^2
July 15, 2012

Calculus
Is the entire problem to the fourth power, or just the denominator?
July 15, 2012

Calculus
Write as a single logarithm of a single quantity ln(3)+1/2ln(x+2)-4ln(1+sqrtx)
July 15, 2012

Chemistry 1046
the answer should be ZrF4
July 3, 2012

chemistry
aluminum has a density of 27g/cm3 if a chunk of aluminum with a mass of 16g is placed in a graduated cylinder partially filled with water how much will the water level rise
June 7, 2012

spanish
El domingo pasado, yo iba con mis amigos al cine. This says Last sunday, I was with my friends at the movie theater. It would be better if it said El domingo pasado fui al cine con mis amigos. Last Sunday I went to the movie theater with my friends.
June 2, 2012

Spanish
THE FIRST SENTENCE SAYS I did not speak with anyone in school. THE SECOND SAYS No, I spoke with nobody in the school ............................... I think the first is more correct.
May 28, 2012

Spanish 8th grde
¿Qué compraste la semana pasada? What did you buy last week? Compré una mochilla la semana pasada. I bought a backpack last week. ¿Bailaron Uds.? Did they dance. Sí, bailamos. Yes, we danced, (this depends on what type of spanish, latin ...
May 28, 2012

5th Grade Writing
its. because it's means it is. The horse hurt it is leg, doesn't make sense.
May 17, 2012

physics
the magnetic force on a straight 0.15m segment of wire carrying a current of 4.5 A is 1.0 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire?
May 17, 2012

math
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7
May 17, 2012

math
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7
May 17, 2012

math
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7
May 17, 2012

logarithmic differentiation
y= 4th root (x^2+1)/(x^2-1)
May 14, 2012

Math
If two number cubes are tossed, what is the probability of getting a sum that is less than 6, given that 1 number cube shows a 3 ?
May 11, 2012

math
The vertices of a triangle are listed below. H(-2,4), I(22,4), J(10,-1) Which of the following correctly classifies the triangle? 1.The triangle is an obtuse isosceles triangle. 2.The triangle is a right scalene triangle. 3.The triangle is an obtuse scalene triangle. 4.The ...
May 4, 2012

chemistry
what will be the boiling point 54.5 grams of aluminum sulfate dissolved in 805 grams H2O
May 3, 2012

chemistry
how many grams of sodium phosphate were dissolved in 382 grams of water in a 6.0 m solution
May 3, 2012

Circuits
In Circuits lab, we had to construct different types of operational amplifiers. The inverting and summing amplifiers produced similar output voltage to the calculated ones but were not negative. I was just wondering why they didn't reverse the sign in the experiment?
April 30, 2012

Circuits
In Circuits lab, we had to construct different types of operational amplifiers. The inverting and summing amplifiers produced similar output voltage to the calculated ones but were not negative. I was just wondering why they didn't reverse the sign in the experiment?
April 30, 2012

Chemistry
An aqueous solution contains 0.196 M hydrosulfuric acid and 0.190 M hydrochloric acid. Calculate the sulfide ion concentration in this solution. [S2-] = _________mol/L.
April 24, 2012

Chemistry
An aqueous solution contains 0.216 M ascorbic acid (H2C6H6O6) and 0.131 M hydrochloric acid. Calculate the ascorbate (C6H6O62-) ion concentration in this solution. [C6H6O62-] =______________ mol/L.
April 21, 2012

statistics
find the probability p(-1.14 < z < 1.01) using the normal standard distribution
April 18, 2012

math
your best friend ate 3/8 of a pizza from 4 diffrent pizza.how much pizza did he ate?
April 18, 2012

Math
for 6z=126, mike wrote that z=756. explain what mikes mistakewas. then tell the correct answer.
April 9, 2012

physics
true or false . refraction always involves a change in the speed and direction of a wave wat is required in order for diffraction to occur? wat causes wave interference?
April 6, 2012

English
Hughes received financial assistance from Charlotte Mason. In 1930, he broke away from Mason and her financial assistance to a. travel the world. c. to maintain his integrity. b. go back to college. d. to get married.
March 29, 2012

math
whats the prime factorization of 62
March 28, 2012

chemistry
calculate the mass of kool aid required to prepare 200.0 ml of 0.30 M kool aid
March 26, 2012

Math
89.28
March 26, 2012

MATH
SUBTRACT 4 4/7 AND 3 2/3
March 21, 2012

Science
a. a log, two feet in diameter
March 12, 2012

math
Solve for X 0.0421=0.0015-x/0.025+1/2 i'm lost
March 9, 2012

Science
put one white flower in a vase with 5 cups of water and one white flower in a vase with 5 cups of water with food coloring (red green blue yellow or any color) for one week. make sure you take pictures and write a few sentences on what you noticed (since he's only in ...
March 5, 2012

Physics
A 933 kg block is pushed on the slope of a 20 ◦ frictionless inclined plane to give it an initial speed of 50 cm/s along the slope when the block is 1.5 m from the bottom of the incline. The acceleration of gravity is 9.8 m/s 2 . 1.5 m 933 kg 20 ◦ What is the speed...
March 4, 2012

chemistry
Your percent
February 29, 2012

Economics
adam smith supported three different views of theory of value (are the followings correct, i will add them to my essay) 1. Labor cost: he supported that everyone must produce his own goods using own labor and exchange the surplus with other goods. In this model of society no ...
February 25, 2012

chemistry
How many iron atoms are in 0.32 mol of Fe2O3
February 20, 2012

trig
If cosecant of theta equals 3 and cosine of theta is less than zero, find sine of theta, cosine of theta, tangent of theta, cotangent of theta and secant of theta
February 15, 2012

College Algebra
A manufacturer of radios estimates that his daily cost of producing x radios is given by the equation C=350+5x. The equation R=25x represents the revenue in dollars from selling x radios. *Profit function,P(x)=R(x)-C(x),P(x)=20x-350 *How many radios should the manufacturer ...
February 9, 2012

physics
A ball rolls off a platform that is 5 meters above the ground. The ball's horizontal velocity as it leaves the platform is 4.8 m/s. (a) How much time does it take for the ball to hit the ground? (Use g = 10 m/s2.) . s
February 1, 2012

CHEMISTRY
Suppose you dump a 5-lb sack of sugar into Bellingham Bay. Assume the sugar disperses uniformly throughout all of the world’s oceans. Estimate how many molecules of sucrose would be found in each liter of sea water.
January 27, 2012

chemistry
Suppose you dump a 5-lb sack of sugar into Bellingham Bay. Assume the sugar disperses uniformly throughout all of the world’s oceans. Estimate how many molecules of sucrose would be found in each liter of sea water.
January 27, 2012

Accounting
Assets = Liabilities + Equity How can you tell which company have the strongest financial position? Is buy the highest in assets, highest in liabilities, or highest in equity? I am confused.
January 26, 2012

Algebra II
-12+4x/4
January 25, 2012

Chemistry
If you react 2.0 g AgNO3 and 2.5 g Na2SO4, what is the percent yield if the actual yield is 1.6 g Ag2SO4? 2AgNO3 + Na2SO4 → Ag2SO4 + 2NaNO3
January 24, 2012

Physics
billy and amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. it takes amy 41 minutes to arrive at school. bill arrives 21 minutes after amy. how much faster (in meters/second) is amy's average speed for the entire trip?
January 19, 2012

geometry
Simplify the following ratio 12XY: 8x
January 12, 2012

Spanish
Mi Mama es bonita A Mi Me Gusta El Chocolate Yo Fui al parque ayer Mi mama y yo fuimos al parque A Mi me gusta jugar juegos.
January 12, 2012

math
is 3 times 41 120
December 14, 2011

geometry
An isosceles trapezoid has bases length 19 and 11 centimeters and length 13 centimeters. What is the area of the trapezoid to the nearest tenth?
December 13, 2011

Spanish
1.Voy a nadar en la piscina. Necesito(I aam going to swim in the swimming pool. I need) un ttraje de baño(bathing suit). 2.Está lloviendo mucho. Necesito (it is raining a lot. I need..). el impermeable y la sombrilla (a raincoat and umbrella.) 3.No puedo ver bien...
December 2, 2011

Algebra 2
thanks so much!
December 2, 2011

Algebra 2
How would you find the x intercepts of 2x^2+17=0. The original equation is 2(x-3)^2-1.
December 2, 2011

Chemistry 1010
Sorry I thought I was posting a question not an answer to your question!!
December 1, 2011

Chemistry 1010
What is the mass in grams of one mole of water
December 1, 2011

physics
a gate 6m wide requires a force of 5.2 kg.wt. applied at the end to open it. what force would have to be applied (A) at the middle and (B) at 1.5m from the hinges, to open it?
November 20, 2011

Science
yeah baby bring it on!
November 15, 2011

Science
I love you!
November 15, 2011

Science
____ are fuels made from renewble resources You have to use ___ to grow plants and extract ethanol 2 alternative biofuels are ___ and ___
November 15, 2011

Science
Definition for Biofuel,Hydroelectricity,Geothermal,and wind energy
November 15, 2011

SOCIAL STUDIEs
Eli Whitney revolutionized indusrty in the north and south and impacted the Civil War. What 2 key innovations is he attributed with?
November 15, 2011

French
Can someone to correct mistakes? Thank you! Le 4 septembre a été volé un vélo. Une fille avait laissé son vélo près d'un bar. Quand elle est sortie du bar elle a vu que son vélo avait été volé et ...
November 15, 2011

math - earn interest
LAURA INVESTED $5000 AT 3% COMPOUNDED SEMIANNUALLY.IN HOW MANY YEARS WILL LAURAS INVESTEMENT HAVE DOUBLE?
November 7, 2011

VETERANS DAY
I put What Veterans day means to me is how people risk their lives so we can live our lives the way we want to. To me it's a special time to remember all the people who fought for us. It's a day to honor all our veterans... That's all I put so far
November 7, 2011

VETERANS DAY
I have to write a papre about Veteran's Day and what it means to me. I have some stuff about it but I need more. Can anyone please help me???
November 7, 2011

SCIENCE
How does waves deposit?
October 19, 2011

chemistry
The element strontium has ccp packing with a face-centered cubic unit cell. The volume of the unit cell is 2.25 x 10-25 L. Calculate the density (g/mL) of the element.
October 17, 2011

chem
When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened, what will be the final pressure in the two bulbs? Assume the temperature remains constan
October 17, 2011

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