Thursday
October 2, 2014

# Posts by Alicia

Total # Posts: 490

Algebra 2
Given a point (-2,5determine a point that satisfies the specified symmetry. 1. Origin (2,-5) 2. y-axis (2,5) 3. x-axis (-2,-5) 4. y=x ? Could you check if 1-3 is correct and could you help me on #4
September 22, 2014

physics
What force exists between a positive charge of 2.6 x 10-6 C and a negative charge of 4.2 x 10-5 C if they are separated by 8 cm?
May 27, 2014

Social Psychology
What attributes are inherent in persuasive messages?
May 12, 2014

Sean is taking an online course in Psychology, and is about to take a quiz over the lesson, “The Experimental Method”. He did poorly on his homework assignment and is struggling to remember the lesson content. What should Sean do before he takes the quiz over this ...
May 2, 2014

What is "stage one" of a study session? Why is it so important?
May 2, 2014

What is "stage one" of a study session? Why is it so important?
May 2, 2014

thank you very much
May 2, 2014

What skill is "critical" to success in online learning?
May 2, 2014

math
The sphere has surface area 2058 cm2. Its radius, to the nearest tenth, equals
May 1, 2014

math
A) About 12 times that of the earth B) About 150 times that of the earth C) About 600 times that of the earth D) About 1300 times that of the earth
May 1, 2014

math
The radius of the earth is approximately 3950 miles. The radius of Jupiter is approximately 44,400 miles. Since the radius of Jupiter is more than 11 times that of the earth, which comes closest to the volume of Jupiter ?
May 1, 2014

the answer is D because A bumper to bumper warranty means that whatever goes wrong (unless caused by an accident or other abuse of the vehicle) the warranty will cover the repair. A power train warranty only covers the engine, transmission, and drive line. Some only cover ...
May 1, 2014

Geometry
im not in connections academy I can help you with lesson 5 unit 4 geometry quiz just sow me the problem
May 1, 2014

science
April 30, 2014

science
2.Imagine two artificial satellites orbiting Earth at the same distance. One satellite has a greater mass than the other one. Which of the following would be true about their motion?   (1 point) The satellite with the greater mass is being pulled toward Earth with ...
April 30, 2014

Geometry
Show that each conditional is dales by finding a counterexample. If an animal is a bird, then it is a penguin.
April 29, 2014

Algebra
Ramona divided his 35,000 inheritance between two investments, one paying 9% and the other 12% simple interest. is total annual income on the interest alone was 3,000. How much did he invest at 9%?
April 21, 2014

Geometry
a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
March 31, 2014

Geometry
thank very much Steve
March 26, 2014

Geometry
I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units
March 26, 2014

Geometry
thanks Steve
March 21, 2014

Geometry
do I use the distance formula
March 21, 2014

Geometry
CD has an endpoint at (2,-1)and a midpoint at (8,3). which measure is closest to the length of CD?
March 21, 2014

introductory to physics
A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 4.0 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m
March 4, 2014

Accounting
Suppose you want to have \$5,000 saved at the end of five years. The bank will pay 2% interest on your money. How much would you have to deposit today to have the \$5,000 you want at the end of five years?
February 4, 2014

Math
Mariko has an 80 inches = 1 inch scale- drawing of the floor of her house. On the floor plan, the dimension of her rectangular living room are 1 7/8 inches by 2 1/2 inches. What is the area of her real living room in square feet?
December 27, 2013

Math
A scale drawing of a rectangular field is 10 cm by 8.5 cm. if the actual field has dimensions of 40 meters by 34 meters, which could be the scale used for the drawing?
December 27, 2013

Chemistry
calculate the minimum concentration of ag+ ion that must be added to (or built up in) a 0.140 m Na2CrO4 solution in order to initiate a precipitation of silver chromate. The ksp of ag2cro4 is 1.2 × 10^-12.
November 20, 2013

Physics
1/q + 1/p = 1/f f=r/2 p=15.1 f= 8.55/2= 4.275 1/q= 1/f+1/p= 1/4.275 + 1/15.1 = 19.375/64.5525 take inverse to get q q= 3.33
November 11, 2013

Physics
An object 6.70 cm high is placed 15.1 cm in front of a convex mirror with radius of curvature of 8.55 cm. Where is the image formed?
November 11, 2013

math
3/4(-2x+3)+7x/2=11/4
September 24, 2013

Math
An elevator moves at a rate of -5.8 feet per second from a height of 300 feet above the ground. It takes 3 seconds for the elevator to make its first stop. How many feet above the ground is the elevator now?
September 21, 2013

Math
A builder wants to construct a cube-shaped diving pool with a water volume of 1800 cubic feet. . Approximate the edge length of the pool to the nearest foot
September 19, 2013

speeches
in conducting a personal interview,setting limits on what will be covered should occur?
September 11, 2013

algebra
B=1/3h(q+z) solve for q
June 4, 2013

math
its \$51.58
May 30, 2013

photo
I have to write my Artist Statement on obsessions I am am kind of lost on what to write about.
May 13, 2013

CHEMISTRY
The two half-reactions for the LeClanche dry cell battery are shown below. Describe the direction of spontaneous electron flow in this electrochemical cell. Zn(s) ---> Zn2+(aq) + 2e- 2NH4+(aq) + 2e- ---> 2NH3(g) + H2(g)
May 10, 2013

math
Thank yu so much!
April 1, 2013

math
Please simplify and explain to me how to do each of these. Greatly appreciated. x = multiply sign (not a variable) a)((9)^(1/2) (4)^2) / 24 b) (16)(2)^(x+2) The x here is a variable, not multiplication sign) c) (3)^(-8)/ (3)^(-6) (3)^(-5) d) ((4)^(-2) + (2)^(-4))^(-1) Thank ...
April 1, 2013

math
ur amazing !
March 31, 2013

math
With reference to the right triangle,, explain why the expressions y = sin x and y = cos ((pi/2) - (x)) give the same results for all the values of x. Discuss whether or not this same relationship exists for angles greater than (pi/2).
March 31, 2013

math
With reference to the right triangle,, explain why the expressions y = sin x and y = cos ((pi/2) - (x)) give the same results for all the values of x. Discuss whether or not this same relationship exists for angles greater than (pi/2).
March 31, 2013

political science
what is ''reasonable search''?
March 18, 2013

math
identify all real roots of x^3-9x^2+16x-8=0
March 7, 2013

Chemistry
Using the balanced equation of: HCl+NaOH-->H20+NaCl, how many moles of HCl could be neutralized with 13.2 mL of 3.00 M NaOH?
February 26, 2013

algebra
explain how you solve 11x=3y=12 using 3x=9 as subsitution
February 14, 2013

physics
In a specific region of interstellar space the atomic composition of gaseous matter is 89.1% atomic hydrogen and 10.9% helium, the temperature is 27K and the pressure is 2.58x10^-15Pa. What is the density of matter in this region? What is the particle density?
February 13, 2013

math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is the greatest number M ...
February 10, 2013

math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is the greatest number M ...
February 10, 2013

math
How do you evaluate i to large powers such as i^1992, i^1993, and i^2000 without a calculator?
February 8, 2013

math
What is the general pattern when you divide each polynomial (x^3-Y^3, x^5-y^5, x^7-y^7, x^9-y^9) by x-y?
February 5, 2013

math
write y= -.5(x+6)(x+3)(x-3) in standard form.
February 3, 2013

math
Thks Ms. Sue the answer for the second part is 6 inches.
January 27, 2013

math
A map indicates that two cities are 160 miles apart. The scale of the map is 1/2 inch= 20 miles. 1. how many inches apart are the cities on the map. 2. Another map show the two cities has a scale of 3/4 inch =20 miles. How many inches apart are the two cities in the map?
January 27, 2013

math
It cost \$15.00 to buy 150 sheets of brand A's paper. it cost \$19.25 to buy 175 sheets of brand B's paper. Which brand has the better value and by how much?
January 27, 2013

math
what is the relative error of a distance given as 550cm plus or minus 24.2cm?
January 27, 2013

Physics
A spring has a constant of 2.4 x 10^2 n/m. What force does it take to stretchmit .8m? How much PE is stored in the spring? Make a graph of the constant from .1 to 1.0 meters.
January 6, 2013

Physics
Wen an oxygen nucleus at rest is struck by a neutron moving at a speed of 1.2 x 10^8 m/s in a head on elastic collision crazy things happen. If the oxygen nucoeus is 8 times the mass if the neutrin, what us the velocity of each particle after the collision?
January 6, 2013

Physics
If a pendulum bob has a mass of 25 kg and is set in motion from a point .2m from the lowest point swing, what is the KE at the lowest point in the pendulums motion?
January 6, 2013

Assume that X is a binomial random variable with n = 5 and p = 0.35. Calculate the following probabilities?
November 14, 2012

what is Australia's finance sector competitive issues?
November 5, 2012

Math
Sarah is following a recipe that calls for 1 1/4 cups of flour. About how many cup of flour would she need to make 4/9 batch of the recipe?
November 1, 2012

Calculus
Find the equation of the tangent plane at the given point. 1)x^2+y^2-z=1 at the point (1,3,9) 2)x^2*y^2+z-40=0 at x=2, y=3 3) x^2+ln(xy)+z=6 at point (4,0.25,2) For the first one I got the partial fraction in terms of x, y and z and my final answer was -2x+6y-z+2. I don't ...
October 4, 2012

elementary and intermediate algebra
how to write the equation for the following problem: The Post office charges extra for packages that must be processed by hand. Find an equation for the nonmachinable cost n in terms of the machinable cost m. 1 pound is \$ 2.74( machinable cost, nonmachinable cost is \$ 4.95
September 27, 2012

Physics
D= ViT + 1/2aT^2 D= (60)4.3+4.9(4.3^2) D= 348.6 M
September 16, 2012

College physics
y=r sin theta y= 40*sin315 y=-28.3 units x=r cos theta x= 40*cos315 x=28.3 units
September 16, 2012

college biology
LDL is considered bad because it has a lower density, or weight per mass, and therefore tends to settle and accumulate along with excess cholesterol in the blood. HDL sweeps through to keep everything moving along and prevent clogging.
September 11, 2012

math
How do I do this calculation on a calculator... A=\$4000(1+.035/12)raise 12*10
August 13, 2012

health
Lol me to... Thanks guys :)
August 11, 2012

physics
A bicycle has wheels of radius 0.3 m. Each wheel has a rotational inertia of 0.088 kg× m2 about its axle. The total mass of the bicycle including the wheels and the rider is 79 kg. When coasting at constant speed, what fraction of the total kinetic energy of the bicycle...
July 10, 2012

physics
An oil drop is stationary within an electric field of 490 V/m that is set up between two parallel plates. If the volume of the oil drop is 4 X 10 (-19) m3, how many excess electrons does it carry? (I'll give ya'll just one hint: the fundamental unit of charge e = 1.6 X...
June 29, 2012

Math
Suppose that you want to purchase a home for \$450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 20% down. Assume that the monthly cost to finance \$1,000 is \$6.00. What are the monthly payments
April 24, 2012

Chemistry
A 125-g piece of metal is heated to 288 degrees celsius and dropped into 85.0 g of water at 26 degrees celsius. If the final temperature of water and metal is 58 degrees celsius, what is the specific heat of the metal?
April 16, 2012

chemistry
A gas sample in a sealed vial originally at 0.6 atm and 300 K, was heated at 450 K. What other property of the gas has changed? What is the value of this property after heating?
March 30, 2012

Our short memory can only hold about seven bits of information at a time. This means you should: a,use words with six letters or less b,use sentences of six letters or less c,never write a document with more than seven points d,group large amounts of information into three to ...
March 28, 2012

Chemistry
You mix 1.00 L of 2.00 M BaCl2 with 1.00 L of 2.00 M AgNO3. What compounds remain in solution, and what are their concentrations?
March 22, 2012

Trig
How do you do this? 1-sin^2x/csc^2 x-1
March 8, 2012

Art
You really should do your own homework. 1. Alexander Calder invented this type of art. () fiber art (*) mobiles () stabiles () public art 2. Today, decisions in planning, selecting, and/or creating an artwork for public display are made in the following way. () They are the ...
February 20, 2012

Math
Solve the following problem. The owner of a toy store is taking inventory of bicycles and tricycles in an unusual way. He said he counted 50 wheels and 40 pedals.How many bicycles and how many tricycles did he have?
February 16, 2012

Physics
While sitting on a tree branch 12m above the ground, you drop a chestnut. When the chestnut has fallen 2.5m, you throw a second chestnut straight down. What initial speed must you give the second chestnut if they are both to reach the ground at the same time?
February 9, 2012

algebra
h(t) = -16t2 + 50t + 6, where t is the time in seconds since the ball was thrown. It takes the ball approximately _____ seconds to reach its maximum height. (Round to the nearest tenth of a second and enter only the number.)
February 4, 2012

chemistry
A piper delivers 10.04, 10.02, 10.08, and mL in consecutive trails. Find the mean volume and the average deviation from the mean.
January 31, 2012

chemistry
A piper delivers 9.97 g of water at 20c. what volume does piper deliver?
January 31, 2012

math
i got 5
January 11, 2012

math
January 11, 2012

math
5/2 has to be made into a mixed number but I'm having problems because i forgot how to do it please help me?
January 11, 2012

Math
If Jillian must average at last 90 on two quiz scores before she can move on the next skill level. Jillian got a 92 on her first quiz. What scores could jillian get on her second quiz in order to move to the next skill level
January 10, 2012

Math
If Jillian must average at last 90 on two quiz scores before she can move on the next skill level. Jillian got a 92 on her first quiz. What scores could jillian get on her second quiz in order to move to the next skill level
January 10, 2012

Math
Circle it has a larger area by 3 more
January 10, 2012

Just a say what was the population in 1650 and compare it to the population in 1700
January 10, 2012

math
How many groups of 5 can i make with 2? Subject:Math
January 10, 2012

math
January 10, 2012

math
There are three types of bones in the inner part of your ear which are called malleus,incus, and stapes.
January 10, 2012

math
How may groups of 14 can you make with 9?
January 10, 2012

math
How many groups of 14 can you make with 9?
January 10, 2012