Adriana
Most popular questions and responses by Adriana
Math
compare the parent function f(x)=x^2 to the quadractic function f(x)=2x^26. the 6 in the function does which of the following? a.it makes the graph narrower than the parent function. b.it makes the graph wider than the parent function. c.it causes the
asked on March 2, 2018 
Physics
A 3.0 kg block being pulled across a table by a horizontal force of 80 N also experiences a frictional force of 5 N. What is the acceleration of the block?
asked on July 14, 2010 
Algebra
the yvalue is four more than twice the xvalue
asked on October 15, 2015 
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
asked on December 15, 2013 
physics
lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the
asked on January 6, 2011 
Chemistry
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of potassium hydroxide and oxalic acid (H2C2O4) are combined.
asked on September 28, 2016 
chemistry
λ for one line of the hydrogen spectrum is .4118 x 104 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.
asked on February 13, 2012 
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
asked on January 28, 2016 
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
asked on March 5, 2013 
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 onemovement work A. famous for the interplay of piano, violin, and cello. B. known for the massive sound of the
asked on June 30, 2016 
Stats
Childhood participation in sports, cultural groups, and youth groups appears to be related to improved selfesteem for adolescents. (McGee, Williams, HowdenChapman, Martin & Kawachi, 2006). In representative study, a sample of n = 100 adolescents with a
asked on November 16, 2016 
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?
asked on December 17, 2012 
Rydberg equation
λ for one line of the hydrogen spectrum is .4118 x 104 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.
asked on February 13, 2012 
Geometry
Explain how you can use a straight edge and a protractor to show that each angle you formed by a bisector is onehalf the original angle.
asked on September 21, 2017 
Math
Robert won $900,000 in the North Carolina State Lottery. After paying $350,000 in taxes, he invested the remaining money in a savings account with a 4.25% interest rate. How much money is in the account if Robert makes no deposits or withdrawals for two
asked on January 5, 2018 
Physics PLEASE HELP!
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 5.09 103 kg and
asked on January 28, 2013 
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.
asked on January 19, 2011 
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
asked on January 22, 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
asked on January 25, 2016 
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?
asked on December 17, 2012 
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
asked on December 9, 2014 
Physics
While John is traveling along a straight interstate highway, he notices that the mile marker reads 247 km. John travels until he reaches the 137 km marker and then retraces his path to the 164 km marker. What is John’s resultant displacement from the 247
asked on September 16, 2018 
Business Calculus
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.
asked on March 25, 2011 
Science
How does turning off the electrich current in an industrial electromagnetic affect it's magnetic field
asked on February 11, 2019 
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?
asked on October 27, 2015 
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.
asked on November 12, 2012 
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
asked on December 14, 2016 
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.
asked on August 29, 2011 
geometry
i need to find the area of the trapezoid 8cm,7cm,3cm,45degrees
asked on May 27, 2010 
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 .
asked on November 25, 2012 
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
asked on November 30, 2014 
math
why are 10.6 the same as 10.60?
asked on August 21, 2014 
Accounting
good such as milk bread and chesse would problably be costed using what method of inventory costing
asked on January 4, 2013 
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 "the
asked on October 29, 2011 
Physics
A man uses a pulley arrangement to lift a heavy crate.He applies a force that is onefourth the weight of the crate, but moves the rope a distance four times the height that the create is lifted. Is the work done by the man greater than, equal to, or less
asked on November 14, 2010 
Math
One lap around a track is oneeighth of a mile. A horse ran a distance of 11 laps in 3 minutes and 30 seconds. What was the horse's average speed in miles per minute?
asked on May 24, 2017 
Math add the polynomials
(7ab+4a2b4)+(a2b47ab) The 2 and 4 are on top of the a and b. (sqare #)
asked on June 7, 2012 
english
which are stressed syllables in not lured by any cheat of birth
asked on October 7, 2011 
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
asked on October 27, 2016 
ALGEBRA
8^1/3 / 64^1/3
asked on December 1, 2013 
math
A spherical water tank holds 15000ft^3. What is the diameter of the tank? Use V=pie/6*d^3
asked on March 23, 2013 
math multiply
8xy(x+y) is answer 8x^2y+8xy^2
asked on June 7, 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
asked on February 3, 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
asked on January 31, 2012 
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
asked on December 14, 2014 
Geography
How does location affect climate?
asked on September 28, 2014 
Algebra
I had to solve the function g of f where f is x^2+1 and g is sq. root of x. I wrote this out as the sq. root of x^2+1. The ^2 and the sq. root canceled each other out, so I was left with x + sq. root of 1. But my book got sq. root of x^2+1. Was the further
asked on October 28, 2009 
please help math factor trinomial
y^313y^2+36y Can someone please show me step by step that way I can understand. Thank you
asked on June 14, 2012 
Science
A scientist is trying to discover a new treatment to stop cancer cells from dividing. In the cancer cells, which of these processes will stop if the treatment is successful?
asked on September 14, 2008 
Cal 2
Find the volume of the solid whose base is the region bounded by the xaxis, the curves y=x, y=3x^2, x=0, and x=.333333 and which has the property that each cross section perpendicular to the xaxis is an equilateral triangle.
asked on February 3, 2018 
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
asked on January 28, 2016 
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
asked on October 14, 2011 
Algebra
How do you factor 1/2x^3x so that the zeroes can be found? Thank youAdriana
asked on October 24, 2009 
physics
A tennis ball has a velocity of 25 m/s and a mass of 57.5 g. After the ball hits a tennis racket, the velocity becomes twice that of the original speed and goes in the opposite direction. What is the force between the ball and the racket if the time that
asked on October 19, 2008 
Electrostática
A linear charge lies on the yz 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
asked on December 29, 2015 
Math
A spool contains 9 meters of ribbon. How many 0.225meter pieces of ribbon can be cut from the spool?
asked on April 17, 2013 
math
what is multiplication sentence in exponent and base
asked on October 2, 2012 
Math Algebra Find the Product
(4y+5)(4y5) 16y^220y+20y25 16y^225 Am I correct
asked on June 7, 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
asked on January 31, 2012 
Math (not specific knowledge, just research)
For math class, we are planning an indoor carnival. We need to figure out the size of each exhibit and vendor, and make sure all of them fit into the space. We can choose any large indoor space we can think of. I did some research online and chose the
asked on March 11, 2009 
Math
I need help on how to solve equations with variables on both sides. 1. 30=8  2x 2. 98  4b= 11b 3. 3p  8= 13  4p 4. 9  2y/7 = y 5. 1/3(12  6x) = 4  2x
asked on October 11, 2008 
History
How did the Constitution address the failures of the Articles of Confederation?
asked on December 10, 2007 
Statistics
why is this sentence false. a statistic is an event computed from a population.
asked on December 10, 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
asked on November 30, 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?
asked on April 22, 2014 
math
find the solution of the following system of equations xy=0 x+y=4
asked on April 2, 2013 
math
i have a garden 22meters long and 14 meters wide how do i find the area ana the perimeter
asked on February 13, 2013 
SUBTRACT POLYNOMIALS
(9X+8)(7X+9) IS ANSWER: 16X1?
asked on June 11, 2012 
Math
Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. state the degree 4x2y1 the 2 and 1 are above the Y
asked on June 5, 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
asked on May 29, 2012 
Math
∫sin^5 t/cos^2 t dt
asked on January 26, 2012 
Math
If a,b,c are the roots of x^32x^2+x3=0, find the value of (b+c)(c+a)(a+b)
asked on September 9, 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
asked on July 10, 2011 
Algebra
I distributed 3x^2+x10=f(x) to find the zeroes. My book's answer was (3x5)(x+2). When I distributed this to make sure I got the original function, I got 3x^2x10. Is this still an acceptable way to factor it even though the x is negative instead of
asked on October 25, 2009 
factor the trinomial by grouping
15x^39x^26x Can someone please show me how to factor completely.. trying to learn how to do factoring
asked on June 14, 2012 
MGMT640
Given the following information, calculate the return on equity for Chaus, Inc. Return on sales = 5% Total asset turnover = 2 Debt ratio = .73
asked on November 15, 2007 
math
dara has 5 coins in her purse the coins total 40 cents
asked on January 22, 2013 
calc urgent
let P be the portion of the disk x^2 + y^2
asked on December 14, 2014 
grammar
Please turn of lights when you go to sleep.
asked on August 10, 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
asked on June 11, 2012 
Add the Polynomials
(9X^3+2X^27)+(2X^32X+9) IS ANSWER: 11X^3+2X^22X+2
asked on 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
asked on June 10, 2012 
math multiply and simplify
12s^29s4s+3 = 12s^26s+3
asked on June 7, 2012 
algebra
Determine whether the expression is a polynomial. If is is state how many terms and variables the polynomial contains. State the degree 71/4x
asked on June 5, 2012 
Algebra for Reiny/Bob
The way my book has it is (1/2x^3)x. Sorry for the confusion
asked on October 25, 2009 
math
how do you ger the square root
asked on September 16, 2009 
MATH
how do you make a circle graph?what are the steps?i am a grade 7 student,I need help. Thanks
asked on October 29, 2007 
English
Which one does not belong o? On April. December. November. June
asked on September 26, 2012 
Math Algebra Multiply
(a+3)^3 is answer: 3a+9a+9 12a+9
asked on June 11, 2012 
Algebra Divide
x^8+x^5/x Please help im stuck
asked on June 7, 2012 
math algebra
multiply and simplify (4z)z =4zzsquare? can you please let me know if I am correct
asked on June 7, 2012 
Math
In the equation ax^2+bx+c=0, one root is the square of the other. Without solving the equation, prove that c(ab)^3=a(cb)^3
asked on September 11, 2011 
9th grade
What are the similarities of ozone depletion and uv light
asked on March 8, 2010 
science
list the bodies of water that collects rain when it falls?
asked on May 4, 2009 
geography
what is the capital of burkina faso?
asked on March 16, 2009 
criminal justice
Describe how criminal resposability can be limited
asked on March 1, 2009

social studies
The British blockade had hurt New England's sea trade. Also, many New Englanders feared that the United States might win land in Florida and Canada. If new states were carved out of these lands, the South and the West would become more influential than New
posted on April 24, 2019 
Science
I know this old, but I did the quiz and I got A as the correct answer for anybody else searching.
posted on February 14, 2019 
Algebra
Is 20
posted on October 29, 2018 
math
Matematicas
posted on September 17, 2018