Friday
December 19, 2014

Posts by Kate


Total # Posts: 1,717

pre calc
Find two functions defined implicitly by the given relations: (a) 3x² - y² = 25 (b) y² = x
January 5, 2010

pre calc
given x=t^2 and y=t-2 find a relationship between x amd y( express y in terms of x) is the relationship a function
January 4, 2010

math
like i know i need the shares outstanding but am unsure of which one so could you please show me how to perform this calculation using the values on this website and what value exactly i'm suppose to use as there are many of the same name with like different variations i ...
January 4, 2010

math
i've been asked to ifnd the price-earning ratio of some stocks i'm unsure of how to do this I do not know which EPS value to use as I found some valeus on a website... Like for this company that I got a stock for h t t p : / / w w w . m a r k e t w a t c h . c o m / i ...
January 4, 2010

pre calc
so that is the answer for a and b
January 4, 2010

pre calc
let f(x)= e^x and g(x)= sqaure root x
January 4, 2010

pre calc
Example 1: Let f(x) = ex and g(x) = ãx Find: (a) f(g(x)) (b) g(f(x))
January 4, 2010

Math
just in general when I'm asked to sovle for X in a equation that is set to zero it's not really set to zero at all is it??? X^2 + 4X - 1 = 0 really what this is saying X^2 + 4X - 1 = dy right???
January 3, 2010

Math
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 2 5 5 3 0 8 2
January 3, 2010

Math
ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X - 1 = 0 and then I was like zero??? zero... really zero... hmm... X^2 + 4X - 1 = dy ???????? That zero does represent when Y equals zero correct??? this allows us to solve for X OH!!!!!!!!!!!!!! wait so...
January 3, 2010

Math
I haven't done factoring in ages I'm trying to factor this X^2 - 2X + 8 If i remeber correctly sense the leading coefficent is 1 the factored form is in this format (X-A)(X-B) which would give you X^2 -AX - Bx + AB or simply X^2 -(A+B)X +AB so then in my problem -(A+B)...
January 3, 2010

Math
what is the difference between an equal sign with another line above it and an equal sign with a triangle above it. I was alway taught that the three lines symbolized identity and that the equal sign with a traingle above it signified definition when would you use the three ...
January 2, 2010

English
I'm having a little bit of trouble with Adventures of Huckleberry Finn I don't believe you have to know the story to help me answer this question. This is from chapter 18 and is like one of the first lines. "He was well born, as teh saying is, and that's worth...
January 2, 2010

Algebra
why is this a ture statement (A B^2)/C - B^2 =B^2 (A/C-1) by the way that is (A/C)-1
December 23, 2009

math
A water delivery truck with a cylindrical tank measuring 8 ft in diameter and long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?
December 20, 2009

math
A water delivery truck with a cylindrical tank measuring 8 ft in diameter and long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?
December 20, 2009

math
Alonso can't decide which size pizza to order. The 10-inch cheese and sausage pizza is $7.99, while the 12-inch deluxe is $8.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will be divided among 3 people. If he ...
December 20, 2009

math
A spherical tree ornament is to be painted in bright colors. If the ornament has a diameter of 4 cm, how much paint is needed?
December 20, 2009

math
One-half serving of soy sauce contains 389 milligrams of sodium. How many grams of sodium from soy sauce are included in an egg-foo-young dish made from 4 servings of soy sauce? Round results to the nearest tenth of a gram.
December 20, 2009

math
A toy baseball bat comes with 3 plastic balls in a box that is a rectangular solid. The box is just big enough to hold the 3 balls. The radius of the balls is 1.9 in. What is the volume of the air in the box surrounding the balls?
December 20, 2009

pre calc
Which three of the twelve basic functions are bounded( above and below)? Three of the tweleve basic functions are even. Which are they?
December 17, 2009

Physics
18. (II) At a steam power plant, steam engines work in pairs, the heat output of the first one being the approximate ehat input of the second. Th eoperating temeprautres of the first are 680 degrees C and 430 degrees C, and of the second 415 degrees C and 280 degrees C. If the...
December 16, 2009

pre calc
find all local maxima and minima (the y-values) and the vales where they occur g(x) x absolute value 2x+5 absolute value
December 15, 2009

physic
the useful carry of a racket is as 5% of all its mass,the other part is fuel.if the racket start moving from the static state, without the effect of F(est) [esternal forces] how is the finalize velocity if the velocity Usc is 5 km/s
December 7, 2009

Math
If the odds in favor of an event A are 3 to 1, what is the probability associated with event A occurring?
December 4, 2009

math
a train left podunk and traveled north at 75 km/h. two hours later, another train left podunk and travled in the same direction at 100 km/h. how many hours had the first train traveled when the second train overtook it? can someone help set this up?
December 3, 2009

math
Got it. Thank you very much
December 3, 2009

math
where did you get 140 from?
December 3, 2009

math
A train left Podunk and traveled west at 70 km/h. Two hours later, another train left Podunk and traveled east at 90 km/h. How many hours had the first train traveled when they were 1420 km apart? How do you solved this?
December 3, 2009

math
> greater than < less than
December 3, 2009

geometry
Can someone please show me how to find the centroid of a triangle with a median of 36 units. I know the ratio is 2:1 and the answer is 36. I just do not understand the formula.
December 2, 2009

space/astronomy
all of the gravitational force would remain the same aka. all of them are the same because they are at the same distance 10AU I JUST DID THIS PROBLEM AS WELL got right
November 30, 2009

Math
What are the odds in favor of getting at least one head in three successive flips of a coin?
November 29, 2009

Algebra
How do you solve this factoring problem by foil method: 25x2=16
November 28, 2009

biology
do you have basic cell structure typical plant vs animal cells organelles- stucture and function DNA DNA replication
November 23, 2009

Geometry
total area of the pizza= ðR2 Cheese + Sausage: 25ð Deluxe: 36ð $7.99/3 people = $2.66 for 8.33ð sq in. $8.99/4 people = $2.24 for 9ð sq in. The deluxe pizza is the better buy because you pay less per person
November 22, 2009

physics
the answer has to be in rpm, so does that mean that i'm not supposed to multiply by 2PI/60?
November 18, 2009

physics
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. The disk has a mass of 240 kg and a radius of 1.4 m. A 33- kg child rides at the center of the merry-go-round while a playmate sets it turning at 0.20rpm. If the...
November 18, 2009

Physics
A 0.58- kg flashlight is swung at the end of a string in a horizontal circle of 0.85- m radius with a constant angular speed. If no torque is applied, what must the radius become if the angular speed of the flashlight is to be halved?
November 18, 2009

math
since it is equal probability you do add all three values and divide by three to get your answer
November 13, 2009

Math
Bridget added 1/5 to both 12 and 6 4/5 when subtracting 12 - 6 4/5. Tell why.
November 9, 2009

SCIENCE
10 EXAMPLE OF SOLUTION AND COLLOIDS
November 8, 2009

essay
what are some good topic to do a personal statment on for an college application?
November 7, 2009

spanish
what does te quiers comer toda la noche
November 4, 2009

biology
Describe how animal and plant cells are different.
October 30, 2009

pre calc
use the quadratic formula to solve for x. x^2+2x+5-0
October 29, 2009

pre calc
list the positive ientegers between -3 and 7 list the integers between -3 and 7.
October 29, 2009

Beowulf poem
1. The poem describes when Grendel’s “hatred began,” but it doesn’t tell us why. Why do Grendel began to hate Hrothgar and his people enough to kill them?
October 28, 2009

english
In today's world, who or what might be our Grendel, our monster? from the story Beowulf
October 28, 2009

chemistry
What was Bohr's theory of behavior of the electron?
October 28, 2009

social science
What are some issues that might cause the president to call a joint session of Congress?
October 27, 2009

english
so it is just a gold hall of men that is mainly seen
October 26, 2009

english
what does this old english mean in modern english goldsele gumena, gearwost wisse,
October 26, 2009

social science
why does the constitution specify different ways to determain the number of members for the House and for the Senate?
October 26, 2009

geometry
a)The planes ands axes of symmetry go through the faces, edges, and vertices of the octahedrons. b)There are 13 planes and axes of symmetry 3 go through opposite faces, 4 go through opposite vertices, 6 go through the midpoints of opposite edges c)The symmetry properties of ...
October 24, 2009

geometry
It is a triangle. 9/3=3/1 which is a triangle.
October 24, 2009

geometry
A regular pentagon does not tessellate the plane if the vertices or edges do not meet. In tesselations all the edges and vertices meet.
October 24, 2009

social studies
What are some reasons Eyptian civilization lasted longer than those in mesopotamia or earlier civilizations?
October 22, 2009

writing
How can a formal network and informal network help or hinder a business - include examples?
October 20, 2009

3rd grade
Are you sure that is 3rd grade? I am a 4th grader and I don't know any thing about it. ps. When you are done with homework go to clubpegiun. It is really cool.
October 20, 2009

chemistry
Wow finally someone who actually was able to help me get the right answer!!! ^ (I'm not sure where you got 7.2g for CaCl2, but apart from that you did everything right!) Thanks for the help!
October 19, 2009

bill of rights
how does the bill of rights help the united states remain a democracy?
October 16, 2009

Algebra II
how do u graph the following: Y=-2xsq'd-6x+3
October 15, 2009

world econ
I need a website for graphs of food production. Other graphs would be helpful as well. Does anybody know? Thanks.
October 13, 2009

Chemistry
Light blue flame inside a Dark blue flame
October 13, 2009

Political Science
What does the Federal Reserve have to do with unemployment?
October 9, 2009

social science
What are three examples of times when a society lost order and turned to chaos. (could be a city, country, prison setting, etc
October 7, 2009

world history
how did geography help the romans build an empire ?
October 7, 2009

algebra 2
can you show me the set up
October 6, 2009

algebra 2
find the x and y intercept of the function y=3x+4 y=x^2+7x+12
October 6, 2009

chemistry
When Kl and Pb (NO3)2 is combined, is this a chemical or physical change?
October 5, 2009

math
from a base elevation of 76000 ft, a mountain peak in colorado rises to a summit elevation of 14321 ft over a horizontal distance of 15841 find the grade of the peak
October 4, 2009

pre calculus
evaluate if possible the function at the given values(s) of the independent variable. Simplify the results. f(x)=7x-4 a) f(0) b) f(-3) c) f(b) d) f(x-1)
October 4, 2009

calculus
f(x)=2x^2-4 f(x+delta x)-f(x)/delta x solve for the solution
October 1, 2009

ap calculus
ok this is a problem similar to it correct
September 26, 2009

ap calculus
yes i need help can you solve it out then i will ask you questions from then
September 26, 2009

ap calculus
write the general form of the equation of the lines throught the point (a) parallel to the given line and (b) perpendicular to the given point point- (2,1) line- 4x-2y=3
September 26, 2009

Math116
Evaluate: 4r for r=12 and s=6/s Simplify your answer= 6/s Is my answer right? Thank you.
September 26, 2009

Math
Lisa needs to make 2 times as many tunas as cheese sandwiches and 4 times as many ham as cheese sandwiches. If Lisa makes 56 sandwiches, how many of each of the 3 kinds will she make?
September 26, 2009

health topics
i need help with a interesting topic about obesity in america i want it to be unique and different that catches your attention i can't think of any at the moment
September 25, 2009

history
with the improvement in transportation and communication, would the original articles of confederation work for all 50 states today? Explain why?
September 24, 2009

spanish
need help with the rest
September 23, 2009

spanish
Fill in the missing blank. Estas aburrido? No, _________ cansado. Donde _______ la escuela? Esta en el parque Fairmount. Como es tu novio? _______ muy romantico?
September 23, 2009

chemistry
For CH3CO2H, give the hybridization and approximate bond angles for each atom except hydrogen. Also, draw an orbital bonding picture. Show all lone pairs. Can this be drawn on paint and uploaded to me? Thank you.
September 23, 2009

biology
LIST AND EXPLAIN FIVE USES OF SCIENCE
September 23, 2009

college essay
i need help cominmg up with An Experience That Has Changed My Life and I can think of any. I want a topic that will make a very good college essay.
September 22, 2009

Mum Bett
ok so she sued because she thought she didnt have any rights and freedom
September 21, 2009

Mum Bett
what was Mum Bett personal fight to uphold the Declaration of independence
September 21, 2009

declaraction of independence
ook great
September 21, 2009

declaraction of independence
its shows the rights and freedom that people should have
September 21, 2009

declaraction of independence
How did the Declaration of Independence influence American Government?
September 21, 2009

senior project
ok that sounds good
September 14, 2009

senior project
yes just need a little more
September 14, 2009

senior project
what can be inclued in the senior project about it
September 14, 2009

senior project
how can i do community service about this topic
September 14, 2009

senior project
how can i do a senior project about Obesity in America
September 14, 2009

senior projects
senior projects that are interesting and different from others
September 14, 2009

senio projects
what are some great senior project ideas?
September 14, 2009

Math/Algebra
How do I make a model with dots on graph paper that shows that 3 x 14 = 42? Thanks!
September 14, 2009

precalc
no
September 14, 2009

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