Sunday
April 26, 2015

Posts by Heather


Total # Posts: 1,019

American National Government
Theodore Lowi suggested the remedy for cumbersome bureaucracy was returning to juridical democracy. delegating even more authority. reducing the size of government. throwing money at the problem.
January 26, 2014

American National Government
The 2000 presidential election is an example of where it is possible to win the popular vote but not have a majority vote in the Electoral College. become President by losing both the Iowa Caucus and the New Hampshire Primary. become President without having a recount of ...
January 26, 2014

American National Government
I just read the definitations for these and I think A is the answer plaes let me know if it makes sense
January 26, 2014

American National Government
The tendency of Congress to defer to the President in foreign policy has at times led to an American dictatorship. a plebiscitary presidency. an imperial presidency. active-positive presidents
January 26, 2014

EMT basic
You and your partner are returning a patient from the Emergency Department to the local nursing home in an ambulance. Your partner is attending to the patient and you are driving. You put the radio on your favorite music station and crack the windows to let the crisp winter ...
January 18, 2014

Algebra 2 help.
For the function f(x)=(3-4x)^2, find f^-1. Determine whether f^1 is a function.
January 14, 2014

Stuck on this Algebra 2 question!
what is the solution of the system of equations? 2x+2y+3z=-6 3x+5y+4z=3 2x+3y+4z=-10
January 11, 2014

Anyone want to help me?
Solve the equation or formula for the indicated variable. s=6r^5t for t
January 10, 2014

help!!!!
Combine like terms. What is a simpler form of the expression. -3(-y-2)+5y
January 10, 2014

Finance
Now that you have a full time job you are ready to start investing for retirement. Your corporation will match 50 cents of each dollar that you put in your 401K account up to the first $7,000. You have altogether $15,000 that you can afford to save this year. How should you ...
December 19, 2013

math
6-mile perimeter. The length is 4 times the width.what is the length width
December 11, 2013

volcanoes
what supplies do you need to make a volcanoes lava if you were to make a volcano. What would be the best thing to use to make a volcano?
December 9, 2013

Science help,please...
I am just kidding. What grade stuff is this?
December 9, 2013

Science help,please...
What grade are you in and are you cheating?
December 9, 2013

Chemistry
Sodium vapor lamps are often used in residential street lighting. They give off yellow light with a frequency of about 5.91 × 1014 Hz. What is this wavelength in nm?
November 20, 2013

chemistry
Thank you
November 20, 2013

chemistry
Potassium metal, K, is more reactive than sodium, Na. Calcium, Ca, is less reactive than sodium. The comparative reactivity of these metals is K > Na > Ca. Explain the reactivity differences of K, Na and Ca based on their atomic structure.
November 20, 2013

chemistry
First off, how do you eve find out if it would be colored or colorless? Will aqueous solutions of the following salts be colored or colorless? Explain. a. Titanium (II) chloride b. Beryllium chloride c. Tin (II) nitrate d. Iron (III) nitrate
November 20, 2013

Chemistry
The most chemically reactive metal elements are the alkali metals. They react spontaneously with water or other substances in the atmosphere and must be stored under oil. a. What type of reactions will these metals undergo? b. Explain why these metals are so reactive in the ...
November 19, 2013

chemistry
The letters CHEMISTRY were spray painted in blue paint on the snow. After a while the sun comes out and the snow under the blue paint melts while the snow around the letters do not. Why did the snow under (rather than around) the blue paint melt?
November 19, 2013

Math
a parking lot can allocate 3 compact car spaces for every 2 spaces for full sized cars. if part of the lot has space for 40 full sized cars, how many compact cars could it hold if the parking lines were redrawn?
November 13, 2013

Math
Find the missing sides of the similar triangles ABC and DEF. AC=2 AB=5 CB=? DF=4 FE=8 DE=?
November 13, 2013

Math
Explain why the lengths of the corresponding sides of rectangles ABCD and EFGH vary proportionally. I cant post the picture of the triangles but the length of the first triangle DA=44 and the width AB=88. The second triangles length HE=35 and width EF=70
November 13, 2013

Math
Solve the proportion: 2/3 = 8/x-1
November 13, 2013

Math
Solve the proportion: x/20 = 5/8
November 13, 2013

chemistry
given 10.8 grams of substance y,if the substance absorbs 231 kilojoules of energy and the specfic heat of substance is 6.55 J/g*0C what is the heat change
November 7, 2013

math
the total capacity of 1 carton is the same as the total capacity of 2 identical cups. If 1.8 liters of water are needed to fill up 3 identical cups and 2 identical cartons, what is the capacity of a cup? express your answer correct to 2 decimal places
October 17, 2013

Physics
A person pushes on a 56-kg refrigerator with a horizontal force of -251 N; the minus sign indicates that the force points in the −x direction. The coefficient of static friction is 0.7. (a) If the refrigerator does not move, what are the magnitude and direction of the ...
October 2, 2013

Physics 2
A 3.0-g string, 0.14 m long, is under tension. The string produces a 200-Hz tone when it vibrates in the third harmonic. The speed of sound in air is 344 m/s. Find the tension in the string.
September 29, 2013

math
Lisa runs 6 miles in 55 minutes, at the same rate, how many miles would she have ran in 44 minutes?
September 16, 2013

Physics
Suppose that the gravitational acceleration on a certain planet is only 3.1 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 35 m/s a) What is the velocity of the ball 4 seconds after it is thrown? m/s (b) How much time ...
September 7, 2013

child day care
first founded as a parent cooperative, is/are one of the best examples of successful early childhood school-family partnership.
August 22, 2013

world history
identify and describe two ways in which American federalism has changed since the ratification of the constitution
August 7, 2013

Math
-7(2a2-4) Multiply
August 4, 2013

MATH
but when h is 0 t=0....
July 19, 2013

MATH
Given that logbase2 a+logbase2 b=3 , calculate all the possible integer values of a if b is also an integer value. Explain your reasoning.
July 15, 2013

MATH
Given that x=logbase3 5 and y=logbase3 2 , rewrite logbase3 60 in terms of x and y.
July 15, 2013

algebra
change pints to gallons. 1 1/2 pints = 3/16 gallon 3/16 x _____ = ____ create proportion. 6^3 24^3 6^3 * x = 24^3 * 3/16 216 * x = 13824 * 3/16 simplify 216 * x = 2592 divide both sides by 216 x = 12 gallons
June 17, 2013

Physics
A car is stopped at a traffic light. When the light turns green, the driver accelerates so that the car is going 10 m/s after 5s. What is the car’s average acceleration?
June 3, 2013

Aviation
Does the engine of a Cessna 162 have an alternate air source? How many fuel pumps does the Cessna 162 have? Your help is very much appreciated!
May 31, 2013

ashford university
Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.”
May 17, 2013

HCS/212
7. Have you personally or professionally noticed any changes in the way health care information or services are researched or accessed? Explain your response. 8. Are you finding that there is an increase or a decrease in options for finding or researching information about ...
April 28, 2013

algebra
Complete the following word problems. 14.It takes 9 hours for Isabella to rake leaves by herself,but her brother Matthew can work three times as fast.If they work together, how long will it take them to rake leaves? Rate Time Work Done Isabella Matthew
April 24, 2013

Chemistry
What are the healthcare applications of biochemical, pharmaceutical and diagnostic chemical reactions?
April 18, 2013

Calculus 3
wow thank you! How did you find the limits for x and y?
April 5, 2013

Calculus 3
Let G be the region in the first octant that is inside both the cylinders x^2+y^2=1 and y^2+z^2=1. Use a triple integral to evaluate the volume of G.
April 5, 2013

Calculus 3
The following parametric equations describe a portion of a shperical surface: x=4cosusinv y=4sinusinv z=4cosv where 0<=u<=pi/4 and 0<=v<=pi/2 Find the surface area of this portion of the sphere.
March 30, 2013

c-justice 200
Should judicial review be eliminated? Provide a detailed explanation for your answer. b) If judicial review were eliminated, what alternative means could be used to interpret the meaning of the Constitution?
March 27, 2013

c-justice 200
Should judicial review be eliminated? Provide a detailed explanation for your answer. b) If judicial review were eliminated, what alternative means could be used to interpret the meaning of the Constitution?
March 26, 2013

Calculus 2
Find the arclength of y=x^3/3+1/(4x) from 1 to 2. I know that arclength is the integral from 1 to 2 of the sqrt of (1 + (y')^2)dx, but have not been able to figure out how to evaluate the integral. Your help is much appreciated!
March 24, 2013

math
monica spent 8/13 hours listening to tapes of beethoven and brahms. she spent 2/5 hours listening to beethoven. how many hours were spent listenign to brahms
March 24, 2013

Physics
A man seeking to set a world record wants to tow a 122000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 95 kg, and the coefficient of static friction between his shoes and the runway is 0.74. What is the greatest...
March 20, 2013

Physics
A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 0.711 m/s2? (b) What is the tension during the remainder of the rescue when ...
March 20, 2013

Trig
What is the exact value of tan(s+t) if sin(s+t)=56/65. And cos(s)=5/13 and sin(t)=4/5. Everything is in the first quadrant
March 19, 2013

calculus 1
A kite 100 ft above the ground moves horizontally at a speed of 10 ft/s. At what rate is the angle (in radians) between the string and the horizontal decreasing when 200 ft of string have been let out?
February 26, 2013

math
Find the density of an object which has a mass of 360 grams and fills a volume of 36 mL.
February 19, 2013

calculus
A batter hits a ball 3 feet from home plate along the path x=69t, y=3+40t-16t^2. How long is the ball in flight and how far does it travel?
February 9, 2013

math
Find an equation of the line that passes through the point and has the indicated slope m. (23, 5); m = -2 y=?
February 6, 2013

spanish 102
I only have the last 3: ¿Te cepillaste los dientes después de comer? Sí, me cepillé los dientes después de comer. ¿Se maquilla Julia antes de salir a bailar? Sí, Julia se maquilla antes de salir a bailar. ¿Se duchan ...
February 3, 2013

math
which is a better buy an square pizza that is 8"x8" and cost $10 or a round pizza that is 9" in diameter for the same price?
February 1, 2013

english
One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I hesitated a moment, but her smile gave me courage. B. I came home; I saw an envelope in the mailbox. C. Jenny was the ...
January 30, 2013

english
One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I hesitated a moment, but her smile gave me courage. B. I came home; I saw an envelope in the mailbox. C. Jenny was the ...
January 30, 2013

Physics 1
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?
January 24, 2013

Calculus 3
Find the equation of the plane that passes through (1,0,0) and is perpendicular to the line r=<1,0,2>+t<1,0,1>. The vector equation of a plane is n*(r-rsub0)=0. Thank you so much for your help!
January 24, 2013

Anatomy and physiology
1)Why is enzymatic catalysis essential for life? Describe in detail the mechanism for enzyme mediated anabolic and catabolic reactions. What are the various modes of inhibition. 2) "every energy transfer increases the entropy of the system" .why? (hint- law of ...
January 21, 2013

math
If the first marble is replaced before the second marble is drawn, what is the probability of selecting a white marble then a red marble? there are 4 red marbles 5 white and 3 blue
January 18, 2013

Calculus 3
Let L be the line that passes through the points (0,1,6) and (0,3,2). Find the length of the projection of k=<0,0,1> on the line L. I know how to do this if one part of the vector k is touching the line, but unless i'm mistaken, that is not the case in this question...
January 16, 2013

Calculus 3
Let L be the line that passes through the points (0,1,6) and (0,3,2). Find the length of the projection of k=<0,0,1> on the line L. I know how to do this if one part of the vector k is touching the line, but unless i'm mistaken, that is not the case in this question...
January 16, 2013

Calculus 3
i'm confused on how you got u=(1,1) and v=(1,sqrt2). Shouldn't they each have 3 coordinates? u=<0,1,1> and v=<1,sqrt2,0> ???
January 16, 2013

Calculus 3
Let u=j+k and v=i+jsqrt2. a) Calculate the length of the projection of v in the u direction. b) Calculate the cosine of the angle between u and v. Your help is very much appreciated!
January 16, 2013

math
solve the following exponential equation e^x-4=-e^-x when I work i get x-In(u) is this correct
January 9, 2013

calculus
use the properties of logarithms to condense the logarithmic expression. write the expression as a single logarithms whose coeffient is 1. Inx+In5=? Can you show work
January 7, 2013

calculus
I am sorry. This is the equation. Solve the follow exponential equation e^x+e^-x=6
January 6, 2013

calculus
solve the inequality e^x+e^x-x=6 can you show work
January 6, 2013

calculus
should I go farther or is that it. I don't know it that it the final answer--I think that is what is bothering me?
January 4, 2013

calculus
solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the orginal logarithmic expression. In square root x+7=1 I get this far and then get stuck, can you help me? In square root x+7=1 e=square root x+7 e^2=x+7 x+7=e^2 x=e^2-7
January 4, 2013

math
chane the logarithmic expression to an equivalent expression involving an exponent log416=x **the 4 is supposed to be dropedd down lower by the g.**
January 3, 2013

math
find the inverse of the following function. find the domain, range and asymptotes of each. f(x)=In(x+1)+1 please show work.
January 2, 2013

math
Yes, Reiny you caught the typo It should read f(x)=x^2+2x-8, thank you for catching that. So, now my answers will change that Riana gave. Right?
January 1, 2013

math
answer the following for the given quadratic function. f(x)=x^2+x^2-8 a. what is the vertex (h,k) of f? (h,k)=? simplify your answer and type the answer in an ordered pair b. what is the axis of symmetry?
January 1, 2013

math
x+6=> if -5 less or equal to x < 1 9=> if x=1 -x+5=> if x>1 Sorry, still learing exactly how to post questions with the right signs the right way.
January 1, 2013

math
the function f is defined as the follows f(x)={x+6 if -5 less than or equal to x < 1 {9 if x = 1 {-x+5 if x > 1 a. find the domain of the function f is? b. locate any intercepts; if any please show work
January 1, 2013

calculus
solve the following inequality 15x-16 less than or equal to 15/x is the point x=0 included in the solution set of the inquality? are the other finite pointsa of the interval included in the solution set? what is the solution set? please show work
December 27, 2012

calculus
find the function that is finally graphed after the following transformations are applied to y=square root x in the order listed. a. reflected about the x-axis b. shift up 7 units c. shift right 5 units y=? would the answer be: y=sqrt(-x-5)-7
December 13, 2012

calculus
for the function f(x)=5/x+4, find the average rate of change of f from 1 to x. please show work
December 13, 2012

calculus
graph the following function using transformations. Be sure to graph all the stages on one graph. state the domain and range. y= -3/x/+1 NOT QUITE SURE HOW TO MAKE THE STRAIGHT UP AND DOWN LINE, INSTEAD OF THIS--/.
December 12, 2012

calculus--please help!!
given the following piecewise function F(x)={x+11 for -9¡Üx<-3 2 for -3¡Üx¡Ü2 2x-6 for 2<x¡Ü5 {--this symbol is to be around all three of the lines. Find: a. the domain b. the range c. the intercepts d. if f continious on its ...
December 10, 2012

calculus
find an equation for the line with the given properties. express the equation in slope-intercept form containing the points. P=(-5,4) and Q=(-4,2) plz show work
December 9, 2012

calculus
find the distanced(p_1&P_2) between points P_1 and P_2. P_1=(4,-5) and P_2=(3,4) plz show work
December 9, 2012

trigonometry
A 100-foot vertical antenna is on the roof of a building. From a point on the ground, the angle of elevation to the top and the bottom of the antenna are 51 degrees and 37 degrees, respectively. Find the height of the building to the nearest foot. How would you solve for these?
December 9, 2012

calculus-can someone please help me with this ques
I can get part of the answer then I get stumped. find the center and radius of the circle, Write the standard form of the equation. (4,3)(1,3) to get center: (1+4/2, 3+3/2)=5/2,3 answer:5/2,3 for center radius: then i am stuck
December 9, 2012

college algebra, Please help!!
a circle has the equation x^2+y^2+6x-6y-46=0 find the center and the radius of the euation. If there are any intercepts list them.
December 9, 2012

college algebra--need help please!!
write the standard form of the equation and the general form of the equation of the circle with radius r and center (h,k) r=10; (h,k)=(8,-6)
December 9, 2012

calculus
If (a,-12) is a point on the graph of y=x^2+7x, what is a? please show work
December 4, 2012

calculus
Plot the points and determine the slope of the line containing them. (-7,-4)(8,-4)
December 4, 2012

trigonometry
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway, both on one side of the plane. If the angle of depression to one car is 34° and to the other is 51°, how far apart are the cars? (Round ...
December 2, 2012

trigonometry
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35° and to the other is 55°. How far apart are the cars? (Round ...
December 2, 2012

physics
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4,000 rev/min. (a) Find the kinetic ...
December 2, 2012

Statics
For each of the following, state (using symbols) the null and alternative hypotheses. a. Is the mean IQ of a sample of 60 children significantly below the national average of 100? b. Is the proportion of men in the class more than that expected by chance? c. Does the mean ...
December 2, 2012

Statics
In a chocolate chip cookie investigation, you decide to compare two cookie sources. Source 1: Mom mails to you a package containing a dozen of her homemade chocolate chip cookies. Source 2: You purchase a dozen of a store brand of chocolate chip cookies at the convenience ...
December 2, 2012

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