Sunday
February 7, 2016

Posts by Lee

Total # Posts: 852

algebra
suppose the polynomial function below represents the power generated by a wind turbine where x represents the wind speed in meters per second and y represents the kilowatts generated interpret f(10)
November 12, 2012

algebra
-3[1 -9 -5 -3 4 -3 36 -93 288 1 -12 32 -96 292 x^3-12x^2+31x-96 x+3[x^4-9x^3-5x^2-3x+4 -(x^4+3x^3) -12x^3-5x^2 -(-12x^3-36^2 31x^2-3x (-31x^2+93x) -96x+4 -(-96-288) 292
November 12, 2012

algebra
x(x^2-3x-10) x(x^2-5x+2x-10) x(x(x-5)+2(x-5) x=(x-5)(x+2)
November 12, 2012

algebra
miquel is designing shiooing boxes that are rectangular prisms the shape of one box with height h in feet has a volume defined by the function v(h)=h(h-5)(h-6) graph the function what is the maximum volume for the domian 0<h(6 round to nearest cubis foot
November 12, 2012

algebra
dividing polynomials possible answers are max(-6,216)minimum(2,-40) (-6,40) (2,-216) (6,216) (-2,-40) (6,40) (-2,-216)
November 12, 2012

algebra
I dont understand
November 12, 2012

algebra
what is the relative maximum and minimum of the function. f(x)=x^3+6x^2-36
November 12, 2012

algebra
What is cubic polynomial function in standard form with zero 1, -2, and 2
November 9, 2012

algebra
Use synthetic division to find P(3) for P(x)=x^4-6x^3-4x^2-6x-2 Can someone please explain
November 9, 2012

math
Thanks Michael's for the answer 1,322
November 8, 2012

math
I have 1 thousand, 12 tens, 2 hundreds, and 2 ones. What number am I?
November 8, 2012

economics
Could someone check my work? Please When the government attempts to cover large deficits by creating more money, what is the probable result called? government borrowing hyperinflation (my choice) excess currency full employment 2. What is one of the major problems caused by a...
November 6, 2012

algebra
What are the solutions? 1/2x^2+2x+3=0
November 6, 2012

algebra
Use the quadratic formula to solve the equation. x^2-7x-6=0
November 6, 2012

algebra
What is the expression in factored form? 2x^2+16x+24
November 6, 2012

algebra
What is the vertex form of the equation? y=-x^2+12x-4
November 6, 2012

algebra
Wheres Steve when I need him?
November 5, 2012

algebra
can someone explain the benefits of writing a quadratic equation in vertex form and benefits of writing a quadratic equation in standard form? Name specific methods you can use while working with one form or the other. Any help will be appreciated.
November 5, 2012

algebra
Got it
November 5, 2012

algebra
I have a ti-84 and don't know how to use it.
November 5, 2012

algebra
y<x^2+8x+20 y>=-x^2-10x-20 what is the solution of the system of inequalities? Then says to graph but not sure if the graph is shaded or not.
November 5, 2012

Healthcare Law & Ethics
why is the current health care system is in turmoil? Identify one or two major problems of health care and analyze the impact of the problem(s) on patients and the community. Describe the benefits and risks of national health insurance.
November 4, 2012

algebra
im not sure if you go up 4 and over 2 or up 2 and over 4, this is where i get confused
November 3, 2012

algebra
I meant youd go up 4 and over 2 looking at graph would be on right side. Was just making sure I was doing it right.
November 3, 2012

algebra
identify the graph of 4+2i if someone could explain to me how you decide which way to go on the graph as far as imaginary and real axis
November 3, 2012

algebra
i figured it out to be 1+isqrt9
November 3, 2012

algebra
the possible answers are; 1+-i sqrt 11 -1+-i sqrt 9 1 +- i sqrt 9 -1 +- i sqrt 11
November 3, 2012

algebra
what is the solution 1/2x^2-x+5=0 could someone please explain
November 3, 2012

algebra
thank you
November 3, 2012

algebra
simplify the expression -6+i/-5+i Could someone explain the steps?
November 3, 2012

algebra
Use the quadratic formula to solve the equation. -4x^2-3x+2=0 Can someone please explain
November 1, 2012

algebra
I got 14.86 yards not sure if right
November 1, 2012

algebra
A landscaper is designing a flower garden in the shape of a trapezoid. She wants the shorter base to be 3 yards greater than the height and the linger base to be 7 yards greater than the height. She wants the area to be 295 square yards. The situation is molded by the equation...
November 1, 2012

economics
can someone explain the relationship between consumer expectations and economic performance? Could use some help.
October 31, 2012

algebra
Thank you for explaining problems so that one can understand. Very much appreciated.
October 31, 2012

algebra
Rewrit the equation in vertex form. Name the vertex and y-intercept. y=3/5^2+30x+382 I need some help do not understand these type of problems.
October 31, 2012

algebra
Still confused, but I'll try another one and see if I get it. Thank you.
October 31, 2012

algebra
Solve the quadratic equation by completing the square. -3x^2+9x=1 Not sure how to do these, if someone could expplain.
October 31, 2012

algebra
The y=4.8x^2+25x+24 was correct answer, but I'm not sure how you got that.
October 29, 2012

algebra
You throw a rock off the balcony overlooking your backyard the table shows the height of the rock at different times use quadratic regressin to find a quadratic model for this data. time 0 1 2 3 4 5 height 24 44.2 54.8 55.8 47.2 29 would someone explain this to me had a ...
October 29, 2012

algebra
Not sure where I made my mistake.I lost myself after the 4a-2b+5=0, 16a+4b+5=-59. Could you please clarify what I need to do next.
October 29, 2012

algebra
What is the equation in standard form of a parabola that models the values in the table? x -2 0 4 f(x) 1 5 -59 Please help.I have somewhat of an idea a(-2)^2+b(-2)+c c=1 a(0)^2+b(0)+c= c=5 a(4)^2+b(4)+c c=-59 4a+2b+c=1 0a+0b+c=5 16a+4b+c=-59 4a-2b+5=0 16a+4b+5=-59 4a-2b+5-5=0-...
October 29, 2012

algebra
Thanks for helping I have posted two other questions if you might be able to help
October 29, 2012

algebra
what is the equation in standard form of a parabola that contain the following points? (-2,-20),(0,-4),(4,-20) Please Help
October 29, 2012

algebra
Okay thank you
October 29, 2012

algebra
Which steps transform the graph of y=x^2 to y=-2(x-2)^2+2. a) translate 2 units to the left translate down 2 units stretch by factor 2 b)translate 2 units to the right translate up 2 units stretch by the factor 2 c)reflect across the x-axis translate 2 units to the left ...
October 29, 2012

algebra
sorry was y we have to show our steps when figuring problems thank you
October 29, 2012

algebra
y=a(x-h)^2+k y=a(x+4)^2+7 8=a((x-3)+4)^2+7 8=a(1)^2+7 1=a 4=(x+4)^2+7 Is this right?
October 29, 2012

algebra
I'm not sure what your saying
October 29, 2012

algebra
Suppose a parabola has a vertex (-4,7) and also passes through the point (-3,8) Write the equation of the parabola in vertex form. f(x)=a(x-h)^2+k I believe h=-4 k=7 Not sure what to do from here.
October 29, 2012

algebra
A biologist took a count of the number of migrating waterfowl at a particular lake, and recounted the lakes population of waterfowl on each of the next six weeks. Find the function that models the data as a function of x, the number of weekx. Use the model to estimate the ...
October 25, 2012

Chem
What mass of lithium (in g) is required to react completely with 58.3 mL of N2 gas at STP?
October 23, 2012

physics
A child has a temperature of 101◦F. If her total skin area is 13 m2, find the en- ergy loss per second due to radiation, assum- ing the emissivity is 1. The Stefan-Boltzmann constant is 5.6696 × 10−8 W/m2 · K4 . (As- sume the room temperature is 70&#...
October 21, 2012

physics
A child has a temperature of 101◦F. If her total skin area is 13 m2, find the en- ergy loss per second due to radiation, assum- ing the emissivity is 1. The Stefan-Boltzmann
October 21, 2012

algebra
Could someone please explain this question to me.
October 20, 2012

algebra
You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=-0.000475x^2+0.851x, where x and y are in feet. How high above the river is the bridge(the top of the arch)? How long is the section of bridge above ...
October 20, 2012

algebra
Thank you.
October 20, 2012

algebra
what is the vertex form of the equation y=x^2+4x-3 Could someone please explain.
October 20, 2012

algebra
Identify the maximum or minimum value and the domain and range of the graph of the function y=2(x-3)^2-4 Can someone please help me.
October 17, 2012

algebra
Oh thank you for explaining
October 17, 2012

algebra
Identify the vertex and the axis of symmetry of the graph functio y=3(x+2)^2-3 Could someone please help me
October 17, 2012

Physical Science
Yes, based on Newton's Third Law, they both exert an equal and opposite force on each other.
October 9, 2012

english
How would you briefly describe Poe's requirement for the short story genre?
October 9, 2012

english
How would you briefly describe what the lerary movement Romanticism valued?
October 9, 2012

Geometry
If a regular pentagon has sides of four feet, what is the length from the vertex to the midpoint of the opposite side
September 30, 2012

phy101
make correction, The orbital radius of a satellite in a geosynchronous orbit is 4.2x10^7 m.)
September 26, 2012

phy101
Calculate the velocity needed for an object starting at the Earth's surface to just barely reach a satellite in a geosynchronous orbit. Ignore air drag and assume the object has a speed of zero when it reaches the satellite. (The orbital radius of a satellite in a ...
September 26, 2012

algebra
The office manager of a small office ordered 120 packs of printer paper. Based on average daily use, she knows that the paper will last about 40 days. What graph represents this situation? How many packs of printer paper should the manager expect to have after 10 days? Not ...
September 18, 2012

algebra
Can someone please try and see if you understand what I'm asking. Says to use vertcal line test to determine which graph represents a function. one line is straight up and down a complete circle(which i think) an complete line from an angle line from an angle half way and ...
September 18, 2012

algebra
center dot x=0 line up 1 to the left of y x=-2 line up to 2.5 to the left of y x=-3 line up to 4.5 to the right of y x=2 line up to 2.5 to the right of y x=3 line up to 4.5 Does this help?
September 18, 2012

algebra
above the x axis a dot on the -2 line up to 2.5, and another dot on -3 line up to 4.5, thats on left side, then right side a dot on 2 line up 2.5, and another on line 3 up to 4.5. Not sure how to figure this is someone is willing to help. possible answers; domain: {–3, &#...
September 18, 2012

Science
Two blocks (one 10kg; other 5 kg) are connected by a string that runs over the surface of a frictionless table. 1. Are the masses moving or stationary? 2. Whats the accelaration of the 10 kg mass 3. whats the acceleration of the 5 kg mass? if the string is cut when 5 kg mass ...
September 17, 2012

math
a cars tank can hold 17 gallons of gas on the freeway and i get 28 miles per gallon and i drive 32 miles whats the amount of gas in my tank
September 12, 2012

Math
58,420/25
September 12, 2012

math
Diver jump from cliff at heights of 85 to 115 feet above the water. After t seconds, a diver has fallen 16t2 feet. Does a diver jumping from a height of 85 feet reach the surface of the water within 2 seconds?
August 28, 2012

health
You need to watch your mouth Ms sue and how you talk to these kids keyword their just kids! calm your ass down, your ass be wrong half the time anyway illiterate ass!
August 14, 2012

math
alex has twice as much money as jennifer. jennifer has $6 less than shannon. together they have $54. How much money does each have?
August 6, 2012

math
well, you can use the Excel to solve this question. first, you can calculate two FV. then using the result of fv 25404.31-23073.15=2331.16 so, he can pay the balloon payment and will spare $2331.16
July 29, 2012

algebra
WRITE THE SLOPE INTERCEPT FORM OF THE LINE SHOWN IN THE GRAPH. WHICH IS (5,-7)(4,7) PLEASE SHOW WORK
July 15, 2012

ALGEBRA
WRITE THE SLOPE INTERCEPT FO (5,-7)(4,7) AND SHOW WORK
July 15, 2012

ALGEBRA
GIVEN THE LINEAR EQUATION Y=4/3X+1 FIND THE Y COORDINATES OF THE POINTS (-6), (-3), AND(6). PLOT THOSE POINTS
July 15, 2012

Chemistry
X=\MX=\MX=\M What is this?
July 3, 2012

economics
a type of economic goods
June 18, 2012

Health care
Which has a greater influence on a person’s health: individual choices and actions (micro perspective) or community policies and resource availability (macro perspective)?
June 7, 2012

Chemistry
The rate constant of a particular reaction is halved when the temperature is decreased from 323 K to 273 K. Calculate the activation energy for the reaction.
May 21, 2012

history
my name was never hayden!!!!!
May 16, 2012

history
please please please please please help me mrs.sue!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! please
May 16, 2012

history
I am SOOOOOO STRESSED OUT
May 16, 2012

history
i am gonna pull my hair out one by one!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
May 16, 2012

history
i dint have any choices
May 16, 2012

history
Confucius thought that if people showed respect towards _________ they will also show respect in _________.
May 16, 2012

Physics
help!!!
May 12, 2012

Physics 121
Please do show you did it and which formula did you use. Thanks very much.
May 5, 2012

Physics 121
The pulley has an inner radius of 0.35m and an outer radius of 0.65m. It has a mass of 1.8kg. A string wrapped around the inner part of the pulley is fastened to the ceiling. A second string wrapped around the outer part of the pulley is fastened to a block. Determine the mass...
May 5, 2012

language arts
I have an assignment where it says to write a sonnet with 14 lines but they also say to have 14 syllables per line. I thought it was 10 syllables per line. Can anyone help ?
May 3, 2012

Algebra
Will you explain the concept of "i" in algebra? Problem: 4+2i/4-2i
April 24, 2012

Chemistry
Enough of a monoprotic acid is dissolved in water to produce a 0.0169 M solution. The pH of the resulting solution is 2.68. Calculate the Ka for the acid.
April 21, 2012

Chemistry help
A substance with pH of 3 is 10 times as Acidic as a substance with a pH of 4. *****or******* A substance with a pH 3 is twice as acidic as a substance with a pH of 4.
April 14, 2012

Chemistry
1. Balance the equation. 2. mols NaOH = M x L = ? 3. Convert mols NaOH to mols H2SO4. 4. M H2SO4 = moles H2SO4/L H2SO4. 5. 2 moles I believe
April 12, 2012

Chemistry
NaOH+H2SO4-> H2o+Na2SO4? How many moles of NaOH required to neutralize 1 mole H2SO4?
April 12, 2012

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