Monday
January 23, 2017

Total # Posts: 130

Math
The question:Consider a data set of 15 distinct measurements with mean A and median B. (a) If the highest number were increased, what would be the effect on the median and mean? Explain. The mean would remain the same while the median would increase. Both the mean and median ...
December 14, 2016

Stats
Childhood participation in sports, cultural groups, and youth groups appears to be related to improved self-esteem for adolescents. (McGee, Williams, Howden-Chapman, Martin & Kawachi, 2006). In representative study, a sample of n = 100 adolescents with a history of group ...
November 16, 2016

math
1. Write the statement in parentheses as a conditional and provide the truth value (2 points). "An angle that measures 90° is a right angle." 2. Write the statement in parentheses as a converse and provide the truth value (2 points). "An angle that measures ...
October 27, 2016

Chemistry
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of potassium hydroxide and oxalic acid (H2C2O4) are combined.
September 28, 2016

Music
I want to make sure these answers are right. The answers are put between two stars(*). 1. The overture to A Midsummer Night's Dream is a one-movement work A. famous for the interplay of piano, violin, and cello. B. known for the massive sound of the orchestra. *C. praised ...
June 30, 2016

Physics
From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.42 m, and x = 6.4 m.) Using ...
January 28, 2016

Physics
I see how the magnitudes and directions will be the same,I just don't understand why I'm getting the numbers wrong.
January 28, 2016

Physics
As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each about to drop an empty fuel tank. At the moment of release each plane has the same speed of 140 m/s, and each tank is at the same height of 4.00 km above the ground. Although the ...
January 28, 2016

Physics
I figured it out!
January 25, 2016

Physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +0.8 m/s and ax = +0.9 m/s2. The y components of the puck's initial velocity and acceleration are ...
January 25, 2016

Physics
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the intersection is 25.0 m. The plane decelerates through the intersection at a rate of 5.0 m/s2 and clears it with a final speed of 29 m/s. ...
January 22, 2016

Electrostática
A linear charge lies on the y-z Plane. Find the electric Flux passing throught the Plane extending from 0 to 1.0m I nerd th is problem solve analytical and in matlab
December 29, 2015

math
I don't f***ing know
November 2, 2015

Physics, science
a car travels 45 km in 1 hour. in each of the next 2 hours, it travels 78 km. what is the average speed of the car?
October 27, 2015

Algebra
the y-value is four more than twice the x-value
October 15, 2015

math
is is 15/3 thetefore5 pizzas?
March 23, 2015

Art
January 27, 2015

calc
use green's theorem to evaluate the integral of x^2dy where C is the boundary of the rectangle with vertices (0,0),(2,0),(2,3),(0,3) oriented counterclockwise. the answer is 12. can someone please explain
December 14, 2014

calc urgent
let P be the portion of the disk x^2 + y^2 <= 1, lying in the first quadrant. having mass density of p=x, if the mass of P is 1/3 , find the y coordinate of the center of mass of P. the answer is 3/8
December 14, 2014

Statistics
also why is X(bar) = E[X] false. Because i thought they both go to mu??
December 10, 2014

Statistics
why is this sentence false. a statistic is an event computed from a population.
December 10, 2014

algebra
The Jaspers collect nickels, dimes, and quarters in a jar. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is \$15.30 in dimes and \$74.80 in all, how many quarters are there. Please include an equation and steps
December 9, 2014

statistics
A 4 to 7 month old baby sleeps an average of 14 hours per day. At this age, babies sleep patterns follow normal distribution with the standard deviation of 1.6 a) is it unusual for a baby to sleep under 12 hours a day? b) In a random sample of 10 babies of this age,find the ...
November 30, 2014

statistics
A 4 to 7 month old baby sleeps an average of 14 hours per day. At this age, babies sleep patterns follow normal distribution with the standard deviation of 1.6 a) is it unusual for a baby to sleep under 12 hours aday? b) In a random sample of 10 babies of this age,find the ...
November 30, 2014

Geography
How does location affect climate?
September 28, 2014

math
why are 10.6 the same as 10.60?
August 21, 2014

physics
The oscillator that generates a wave completes 47 vibrations in 29.2 s. A given crest of the wave travels 382 cm along the rope in a time period of 10.3 s. What is the wavelength?
April 22, 2014

English
Consider both Hamlin Garland's "The Return of a Private" and Mark Twain's "The Notorious Jumping Frog of Calaveras County" as works of regionalist fiction. In a response of at least two paragraphs, compare and contrast these stories as examples of ...
December 15, 2013

ALGEBRA
Thank you so very much!
December 1, 2013

ALGEBRA
8^1/3 / 64^1/3
December 1, 2013

algebra I
a rectangle has a perimeter of 26 cm and one of its sides has a length of 5cm sketch the rectangle and label all of its side lengths
August 21, 2013

statistics
A horse race has 14 entries and one person owns 5 of those horses...
May 26, 2013

Math
A spool contains 9 meters of ribbon. How many 0.225-meter pieces of ribbon can be cut from the spool?
April 17, 2013

math
find the solution of the following system of equations x-y=0 x+y=4
April 2, 2013

math
A spherical water tank holds 15000ft^3. What is the diameter of the tank? Use V=pie/6*d^3
March 23, 2013

English
March 20, 2013

English
Idk that one ^ :/
March 20, 2013

Chemistry
22.) The molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of liquid water is 4.18 J/gC. (1) What quantity of heat is required to melt 25.0 g of ice at 0C? (2) What quantity of heat is required to ...
March 5, 2013

math
i have a garden 22meters long and 14 meters wide how do i find the area ana the perimeter
February 13, 2013

I don't know
February 6, 2013

I don't know
February 6, 2013

A spring with an unstrained length of 0.076 m and a spring constant of 2.6 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 5.09 10-3 kg and a net charge of +6.5...
January 28, 2013

Math
January 23, 2013

math
dara has 5 coins in her purse the coins total 40 cents
January 22, 2013

Accounting
good such as milk bread and chesse would problably be costed using what method of inventory costing
January 4, 2013

can you help me
January 2, 2013

Math
There are 18 bottlenose dolphins at an aquarium. One sixth of the bottlenose dolphins are not adults. How many of the bottlenose dolphins are not adults?
December 17, 2012

Math
six friends share 5 small pizzas. Each friend first eats half of a pizza. How much more pizza does each friend need to eat to finish all the pizzas and share them equally?
December 17, 2012

pre cal
For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side c to the nearest foot?
November 30, 2012

Tobin School
the plane goes 700 miles an hour . The car goes 50 miles an hour . How many times faster than the car is the plane .
November 25, 2012

Biology
I need to make a cell membrane model out of a tissue box. Can you help me? I need ideas and more information about it.
November 12, 2012

math
what is multiplication sentence in exponent and base
October 2, 2012

English
Which one does not belong o? On April. December. November. June
September 26, 2012

grammar
Please turn of lights when you go to sleep.
August 10, 2012

factor the trinomial by grouping
15x^3-9x^2-6x Can someone please show me how to factor completely.. trying to learn how to do factoring
June 14, 2012

Thank you soo much.. I have a lot of trouble with factoring
June 14, 2012

y^3-13y^2+36y Can someone please show me step by step that way I can understand. Thank you
June 14, 2012

Algebra HELP!
If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal), then this sum of money increased by a factor of (1+x)^3 after 3 years. A. multiply this expression B. Evaluate the polynomial expression found in part (A) for...
June 11, 2012

Math Algebra Multiply
June 11, 2012

SUBTRACT POLYNOMIALS
June 11, 2012

June 10, 2012

Math Algebra
Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. then state the degree 7x^2+3x+3
June 10, 2012

Algebra Divide
June 7, 2012

Math Algebra Find the Product
(4y+5)(4y-5) 16y^2-20y+20y-25 16y^2-25 Am I correct
June 7, 2012

math multiply and simplify
12s^2-9s-4s+3 = 12s^2-6s+3
June 7, 2012

math multiply
Thank you
June 7, 2012

math multiply
June 7, 2012

math algebra
yay! Thank you
June 7, 2012

math algebra
multiply and simplify (4-z)z =4z-zsquare? can you please let me know if I am correct
June 7, 2012

so its 4a^2b^8?
June 7, 2012

ahh so the 7ab cancels because of the -7ab so answer is 5a²b4. I thought it was 4a4b8 Thank you
June 7, 2012

(7ab+4a2b4)+(a2b4-7ab) The 2 and 4 are on top of the a and b. (sqare #)
June 7, 2012

Math
Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. state the degree -4x-2y-1 the -2 and -1 are above the Y
June 5, 2012

algebra
Determine whether the expression is a polynomial. If is is state how many terms and variables the polynomial contains. State the degree -7-1/4x
June 5, 2012

Comm 215
Thank you!
May 29, 2012

Comm 215
Thank you! So much 28. Choose the appropriate irregular verb form in the following sentence. I was surprised by how successful Janice ____. __ become __ becomed _x_ became __had became
May 29, 2012

Comm 215
Please guideme to which ones are wrong.. Thank you Grammar Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good pitcher most of all. ...
May 29, 2012

Rydberg equation
λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.
February 13, 2012

chemistry
λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.
February 13, 2012

chemistry
A H atom absorbs a photon with a wavelength of 9.50 × 10^1 nm. If the energy of the final state of the H atom was -8.72 × 10^(-20) J, calculate the energy of the initial state. Express answer in scientific notation
February 3, 2012

chemistry
thank you very much that was great help..
January 31, 2012

chemistry
A light photon with a frequency of at least 0.0906 x 10^16 Hz is required to split apart hydrogen bromide according to the equation: HBr(g) --> H(g) + Br(g) Calculate the energy (kJ) required to break apart a mole of hydrogen bromide. Express answer in scientific notation.
January 31, 2012

chemistry
A light photon with a frequency of at least 0.0906 ~ 1016 Hz is required to split apart hydrogen bromide according to the equation: HBr(g) ¨ H(g) + Br(g) Calculate the energy (kJ) required to break apart a mole of hydrogen bromide. Express answer in scientific ...
January 31, 2012

chemistry
use the equation d=m/v
January 31, 2012

Math
∫sin^5 t/cos^2 t dt
January 26, 2012

chemistry(balance equation)
C2H6 + O2 --> CO2 = H2O
January 19, 2012

Meg's pension plan is an annuity with a guaranteed return of 3% per year (compounded quarterly). She would like to retire with a pension of \$30,000 per quarter for 10 years. If she works 22 years before retiring, how much money must she and her employer deposit each quarter?
January 19, 2012

English
Hi, I'm having trouble understanding this and relating it back to my area of study, "belonging"- "In this regard, Emily Dickinson's poetry repeatedly echoes Voegelin's analyses of consciousness and existence. For Emily Dickinson, to be hman is to BE...
October 29, 2011

physics
A 14 g bullet is ﬁred into a 120 g wooden block initially at rest on a horizontal surface. The acceleration of gravity is 9.8 m/s^2 . After impact, the block slides 6.97 m before coming to rest.If the coeﬃcient of friction between block and surface is 0.568 , ...
October 14, 2011

english
which are stressed syllables in not lured by any cheat of birth
October 7, 2011

Math
In the equation ax^2+bx+c=0, one root is the square of the other. Without solving the equation, prove that c(a-b)^3=a(c-b)^3
September 11, 2011

Math
If a,b,c are the roots of x^3-2x^2+x-3=0, find the value of (b+c)(c+a)(a+b)
September 9, 2011

Math
A man runs to a telephone and back in 15 minutes. His speed on the way to telephone is 15 m/s and his speed on the way back is 4m/s. Find the distance to the telephone.
August 29, 2011

english
I re-did my but I am still having problems with subject verb agreements and other grammar issues. I have posted a revised version here: What is sociology and cultural anthropology? The sociology field involves investigating groups of individuals who influence a nation, state, ...
July 10, 2011

english
Thank you soooooooooooooooo much for your help.
July 10, 2011

english
can someone help me revise/edit my anthropology survey paper Here is my paper attached to the question: Sociology in general, is the study of societies and groups of people that have familiar backgrounds, interests, or institutions. Some examples of society are countries, ...
July 10, 2011

geometry
. If the pizza is cut into 12 congruent pieces, how many degrees are in each central angle?
May 31, 2011

A company has operating costs of \$2000 per thousand items produced. Its revenue function can be modeled by the equation: R(x)=30x/(x+2)² , where x is measured in thousands of items produced, and C and R are measured in thousands of dollars (so C(x)=2). 1. Determine the ...
March 25, 2011

Writing
no where
February 7, 2011

Physics
Four coulombs of positive charge flow from the +6 V positive terminal of a battery to the negative terminal at 0V. What is the charge in potential energy of the charge.
January 19, 2011

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