# it is an equation 9b- 4b+ 3b= 16 please write it step by step

58,075 questions, page 161-
## Continuos Quality Monitoring and Accreditation

Adverse Event Reporting Read Chapters 5, 6, and 7 in our textbook. After reviewing this week’s required reading, consider the following scenario: You are the lead of the risk management team that has been assigned to evaluate an incident that has

*asked by Cai on December 24, 2014* -
## Chemistry

If the concentration of KCN at the equivalence point is 0.1M and the Ka for HCN is 6.2*10^-10 find the pH at the equivalence point. The reaction is between KOH and HCN From my understanding I have to do a stoichiometric calculation and then use the

*asked by Maddy on September 28, 2016* -
## CHEMISTRY URGENT!

assume that 13.5g of AL react with HCl according to the following equation, at STP: Al(s) + HCl(aq) ---> AlCl3 + H2(g) Remember to balance the equation first. a. how many moles of Al react? b. how mang moles of H2 are produced? c. how mang liters of H2 at

*asked by kikie on February 3, 2013* -
## math

hi, i have an assignment of math to be done in microsoft equation editor, but i don't know how to use this program, do u know how or a site that can teach me, because i have looked in many sites but it doesnt really show me much. i would appresiate any

*asked by Haydee on September 4, 2006* -
## Pre-Calc

A polynomial function f(x) with real coefficients has the given degree, zeros, and solution point. Degree: 3 Zeros: -2,2+2√2i Solution Point: f(−1) = −68 (a) Write the function in completely factored form. (b) Write the function in polynomial form.

*asked by Ben Dover III on March 2, 2018* -
## English

I have to write a research proposal for english! Here is what's written: Review your final research proposal draft one last time. Make sure that your topic focuses on some cultural aspect of one of the countries (Turkey, Armenia, Iraq, India, or Sri

*asked by Gina on May 19, 2017* -
## Algebra

In the mall you receive a coupon for 5 dollars off a pair of jeans. When you arrive at the store you find that all jeans are 25 percent off Let x represent the original cost of the jeans 18a.Write a function F(x) that represents the effect of your original

*asked by Anonymous on December 10, 2016* -
## math, probability

There are six ways to write 5 as an ordered sum of three positive integers: 3+1+1, 1+3+1, 1+1+3, 2+2+1, 2+1+2, 1+2+2. A) What is the number of ways to write "n" as an ordered sum of "r" integers? B) What is the number of ways to write "n" as an ordered sum

*asked by Amy on April 9, 2015* -
## math

Part 1: Using the Library, web resources, and/or other materials, find a record-breaking temperature (in degrees Celsius) for a town or city in a country other than the United States. Include the name of the town and country along with the temperature, and

*asked by Samantha on November 2, 2009* -
## AIU

Part 1: Using the Library, web resources, and/or other materials, find a record-breaking temperature (in degrees Celsius) for a town or city in a country other than the United States. Include the name of the town and country along with the temperature, and

*asked by Feguens Mileon on January 3, 2010* -
## algebra 2

Use the formula D=rt where D is distance, r is rate, and t is time. 1. Solve D=rt for rate. (1 pt) 40 2. Use the statistics given in Act Two and your equation from #1. a. At what speed (rate) does Rich run the 40-yard dash? (1 pt) b. At what speed (rate)

*asked by Belly on October 13, 2017* -
## geometry

Al and Harpreet are racing to Wing Stop to get the last batch of fries made for lunch. Al participates in cross country and can cover (write in value) per minute. Harpreet likes to watch TV and play video games. She is out of shape and can only cover 3

*asked by Dana on October 6, 2012* -
## Math

Al and Harpreet are racing to Wing Stop to get the last batch of fries made for lunch. Al participates in cross country and can cover (write in value) per minute. Harpreet likes to watch TV and play video games. She is out of shape and can only cover 3

*asked by Dana on October 6, 2012* -
## us.history

i have a question that say on a cart for each section: In the first column, write notes to describe how the inventions and trends of the 1920s changed american life. in the second column write the name of a related company or product that contributed to

*asked by susana on January 19, 2010* -
## English

I need to write a research paper on a topic that is relevant to, or is present in a book after I have read it. I wish to know any suggestions on good books to read on which an obvious research topic can be extracted from(preferably history related but not

*asked by Bethany on March 12, 2015* -
## Calculus

Time (min)0___10___20____30__40____50____60 Temp (F)68_72.64_76.97__80_82.9_85.38__87.5 Use the Trapezoidal Rule to find the best approximation you can for the average temperature in the trailer from 10:00 until 11:00. (10/60)/2 (68 + 2(72.64) + 2(76.97) +

*asked by Anonymous on May 22, 2008* -
## Math

Look at the given triangles. a. Write an expression in simplest form for the perimeter of each triangle. b. Write another expression in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller

*asked by PlzHelp! on June 23, 2016* -
## algebra

You are making a fence for your garden. The length is five less that two times the width. A.write a polynomial that represents the perimeter of the garden. B.write a polynomial that represents the area of the garden. C. Find the perimeter and area of the

*asked by Jessica on April 8, 2015* -
## calculus

v(t)= Ce^(k(square root(t)) Suppose that the dealer, who is 25 years old, decides to sell the card at time , sometime in the next 40 years: 0< or equal to t < or equal to 40. At that time , he’ll invest the money he gets for the sale of the card in a

*asked by lyna on May 23, 2012* -
## math

Hi! I am new to Jishka and I need help checking my answers. 1. Which proportion can be used to determine what number is 15% of 30? A. 15/30 = x/100 (Mine) B. 15/100 = x/30 C. 15/100 30/x D. 30/100 = 15/x 2. Which equation can be used to determine what

*asked by Lemon on January 20, 2015* -
## geometry

the vertices of triangle ABC are A(1,7)B(9,3)C(3,1) a.prove that the triangle is a right triangle b.which angle is the right angle? c.which side is the hypotnuse? d.what are the coordinatesof the midpoint of the hypotnuse? e.what is the equation of the

*asked by melissa on February 20, 2009* -
## Math

A retired couple needs $12,000 per year in income to supplement their Social Security. They have $150,000 to invest to obtain this income. They have decided on two investment options: AA bonds yielding 10% per annum and a bank CD yielding 5%. (a) How much

*asked by Angel on July 7, 2005* -
## Math

An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16 cups of apples an 15 cups of flour. When you sell these at the Farmers market you make $3.00 profit per apple pie and $2.00

*asked by Ellen on November 8, 2017* -
## Math

An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16 cups of apples an 15 cups of flour. When you sell these at the Farmers market you make $3.00 profit per apple pie and $2.00

*asked by Ellen on November 8, 2017* -
## algebra

Can someone check my answers please and if Im wrong please explain. 1) graph 4x^2+4y^2=64. what are the domain and range? domain;all real numbers range;-4

*asked by lee on February 22, 2013* -
## Algebra

Solve the equation w=Cr^-2 for r. Is this right? w/C=r^-2 r=sqrt(C/w) And if so, I still seem to be having troubles answering the next part. 2. Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true.

*asked by Desparate for Help on February 5, 2011* -
## Early Childhood Education

I am so unclear how did do this assigment Choose two different countries and write about the differences parents might have in dealing with the following scenario. In your writing (one to two pages), list the three things a parent may do differently in one

*asked by Betty on January 30, 2018* -
## 3 grade english ms sue

the topic is what a piece of writing is about. the main idea is the most important idea about the topic. details are small pieces of information that tell more about the main idea. directions read the following passage. then answer the questions below.

*asked by dw on April 23, 2012* -
## Maths- complex numbers

Find tan(3 theta) in terms of tan theta Use the formula tan (a + b) = (tan a + tan b)/[1 - tan a tan b) in two steps. First, let a = b = theta and get a formula for tan (2 theta). tan (2 theta) = 2 tan theta/[(1 - tan theta)^2] Then write down the equation

*asked by Jake on February 13, 2007* -
## ALGEBRA 1 HELP

Your hole punch makes holes in your that have diameter of 4^-1 inch. a.Write an expression for the area of one punched hole. Use the formula for the area of a circle A=:r^2. (: is pi sign) b.Your hole punch makes three holes in a page . Write an expression

*asked by Louis on December 5, 2013* -
## ~CHEM~

If I had an equilibrium of CH3CO2(aq) + H(aq) CH3CO2H(aq) and the applied stress was HCl and NaOH what observations should I expect and what direction would the equliibrium shift? Same goes to this question equilibrium:Fe(aq) + SCN(aq) FeSCN(aq) the

*asked by Jason on May 16, 2007* -
## English

i'm suppose to write an essay on the historical climate of a author i pick and it was lewis carroll, and i don't know what it means or where to get that info on it or what to write about it. please help! Historical climate is a description of the history

*asked by Carey on January 27, 2007* -
## English really stuck

Please help I am having a bit of trouble I need to write two separate paragrapghs of eight to twelve sentences each based on the following scenarios. (I can make up details if I need to to make my paragraphs more realistic.... Paragraph 1.. I have applied

*asked by Lucie on March 17, 2008* -
## communication

Compose a 1000-2000 word essay in which you do the following: •Identify a person who is a role model of a communicator to you, and briefly describe the characteristics that make this person a rolemodel of a communicator. Please choose someone you

*asked by latasha on July 31, 2011* -
## Math (Algebra)

I sent my professor asked the pros and cons of each method, I answered with this; When graphing; pros are that graphing gives you a picture of what the solution is. Cons would be is that graphing is not always accurate and it is difficult to see the

*asked by Lynn on June 23, 2010* -
## Math help please

I need to explain how to write a function rule from the table below and also write a function rule for this table: x: 2 4 6 y: 1 0 –1 How do you do this?

*asked by Delilah on May 3, 2013* -
## math

Explain how to write a function rule from the table below . Then write a function rule. table X } 2 , 4 , 6 Y } 1 , 0 , -1

*asked by abstract on April 26, 2016* -
## English

1. Write a report on your favorite artist. 2. Write a report about your favorite artist. (Are both the same? What is the difference between 'on' and 'about'?)

*asked by rfvv on September 26, 2010* -
## Social Studies (URGENT)

Okay,I need to create a newsletter on the olden days. The year is 1599 and I have to write 3 paragraphs on 3 different people. 1 play review, 1 song review and 2 editorials. I am currently writing about: Paragraphs: - The Battle of Curlew Pass (Red Hugh

*asked by Larry on February 4, 2009* -
## Chemistry

Hi,can I have your help? I'm just trying to solve a few Dilution Solution problems. I'm stuck on these two,and I wish you could help. Here's one: A 500 mL bottle of concentrated acetic acid is diluted to make a 5.0% solution. Find the volume of diluted

*asked by Cliff on December 8, 2010* -
## math

Consider the line y = x . If the line is dilated by a factor of 1/3 , what is the equation of the resulting line? If the resulting line is translated 1 unit down, what is the equation of the resulting line?

*asked by user on October 17, 2019* -
## physics

An electron moves from one plate to another across which there is a potential difference of 2000 V. a) Find the speed with which the electron strikes the positive plate. For this problem, I used the Potential difference equation:

*asked by Linh on February 25, 2010* -
## math

When making a telephone call using a calling card, a call lasting 3 minutes cost $1.65. A call lasting 11 minutes cost $4.85. Let y ba the cost of making a call lasting x minutes using a calling card. Write a linerar equation that models the cost of making

*asked by ReRe on February 8, 2010* -
## Multiple regression

1) Estimate a multiple regression equation to predict the price of houses in a given community. Employ all available explanatory variables. Is there evident of of multi-collinearity in this model? Explain your response and the associated implications. 2)

*asked by Kim on November 10, 2014* -
## Statistics

A number of people were asked how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. Number of days: 0 , 1 , 2 , 3 , 4 , 5 Frequency:

*asked by Obi on October 1, 2015* -
## Calculus

This is the question: A man is running through the woods to a check point as fast as possible. He can get there by traveling east along the trail for 300 meters, and then north through the woods for 800 meters. He can run 160 meters per minute along the

*asked by Julianne on January 25, 2015* -
## equation

n represent the number of games lost, write an equation for: a) A team won three times as many games as it lost. It played a total of 52 years. b) A team won 20 games more than it lost. It played a total of 84 games. c) A team won 15 games less than twice

*asked by jen on January 18, 2008* -
## 3 grade english

singular and plural pronouns direction revise each sentence. replace the underlined words with sigular or plural pronouns. 1- some people thought of a new sport, and the sport became popular. in this sentence the word underline is (the sport) my son write

*asked by dw on February 24, 2012* -
## Physics

I calculated tan and sin (theta) for a physics lab experiment -- two-slit interference I had to use this equation y = L tan (theta), with y = 0.25 and L = 2 and tan (theta) came out to be 7.12 in degrees and 0.1243 in radians. I found sin (theta) by using

*asked by Anna on December 8, 2012* -
## essay

I have to write an essay about one of the social problems during the Industrial Revolution according to the book call "Frankenstein". I don't know which topic should I choose that have enough evidence from the book to write a 7pgs essay. This will talk

*asked by JJ on December 10, 2006* -
## Chem Help please!!!!!

2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2 HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

*asked by Taylor on December 19, 2012* -
## Chem- REALLY URGENT!!!

2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2 HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

*asked by Taylor on December 19, 2012* -
## Please help me!!!!

2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2 HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

*asked by Taylor on December 19, 2012* -
## Chemistry

in an experiment, ammonia gas, NH3(g) was bubbled through distilled water. Some of the dissolved ammonia gas, NH3, reacted with the water to form the aqueous ammonia ions, NH4. When red litmus paper was placed in contact with the aqueous solution, the

*asked by Joe on March 4, 2013* -
## Journalism

Could you please quick revise this? Does the senior/freshman after IU need to be capitalized? Ex: said IU freshman Avery Walts. said IU Freshman Avery Walts. Which one of these is correct? Taking the First Step By:Bryce and Katlyn They call it “the good

*asked by Bryce on December 2, 2011* -
## spanish

Are these the correct way to write the spanish sentences? : - in the morning tommy and children greet each other. : In the morning Tommy y los niños se salude. -Everyone has fun when they play on the playground. : Todos se diviertían cuando ellos jugaban

*asked by kat on February 17, 2010* -
## Chemistry

4. Use the information above to write net ionic equations for the two reactions that you have observed. 5. For each reaction, write the two half-reactions that make it up and calculate the overall reaction potential by adding the two half-reactions. Each

*asked by Please Check! on April 8, 2012* -
## Chemistry

Chemical formula for Mercury(II)Chloride, Potassium nitrite, Aluminum hydroxide, Sulfure Dioxide. Let me see if I am right for the ones I completed, okay for Potassium nitrite I put KNO^- and subscript 2 and for Aluminu hydroxide I put AlOH^-. I also need

*asked by mZ. YoU on December 21, 2006* -
## Chemistry ASAP

3. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2 HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •

*asked by Moe on January 18, 2013* -
## Differental Equations

a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your

*asked by Erica on February 3, 2013* -
## Adv AP Honors Chemistry

*asked by Taylor on December 19, 2012* -
## Differential eqns

a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your

*asked by Erica on February 3, 2013* -
## Differential Equations

a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your

*asked by Erica on February 3, 2013* -
## pseudo code and flow charts

how can write a pseudo code and a flow charts to solve these? 1 to find the greatest common divisor out of two positive integers. 2 to find the smallest common factor out of two positive intrgers. Write the flow of thinking just as you do it in your head.

*asked by ravindu on June 8, 2007* -
## Math

PLease help me with this: What kind of line is created when you graph the equation x = -5? Vertical line Horizontal line This equation does not graph a line Parallel line *Ithink it is a vertical line!* Yes, you are correct! It is a vertical line!

*asked by Francheska on November 7, 2006* -
## Chemistry

Boron Phosphide, BP, is a semiconductor, and a hard, abrasion resistant material. It is made by reacting Boron tribromide and phosphorus tribromide in a hydrogen atmosphere at high temperature (>750 degrees C) (a) Write a Balanced chemical equation for the

*asked by Laffy Taffy on March 11, 2012* -
## algebra PLZ HELP!!!

y= 9/11x-17 9x-10y=179 You need to use parentheses to tell us what the problem is. Is equation 1, y = 9/(11x-17) or is it y = (9/11)x - 17? y= 9/11x-17 9x-10y=179 Rewrite them as 11 y - 9 x = -187 and -10 y + 9x = 179 Add the last two and you get y = -8

*asked by andrea on February 23, 2007* -
## Geometric Transformation, Unit Circle, Maths

Good morning, I have this question: the matrix A = 0 6 4 12 i) show that it is invertable. ii)Find the equation of the image f(c) of the unit circle c in the form. ax^2+bxy+cy^2=d iii)Calculate the area enclosed by f(c). ---------------------------------

*asked by Mat on February 18, 2017* -
## maath 116

3. The linear equation represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2005 would be year 9, or x = 9. a) What year

*asked by Juan on January 20, 2010* -
## Calculus

Derivative of the implicit Function: arctan(x^5y)=xy^5 Here is where I am at. I am pretty frustrated: arctan(x^5y)-xy^5=0 1/1+(x^5y)^2 * (d/dx(x^5)*y+x^5*d/dx(y))-(d/dx(x)*y^5+x*d/dx(y^5))=0 1/(1+x^5y)^2 * (5x^4y+x^5dy/dx) - (y^5+x^5y^4dy/dx)

*asked by Pamela on October 16, 2014* -
## Further calculus

1) A price p (in dollars) and demand x for a product are related by 2x^2+6xp+50p^2=10600. If the price is increasing at a rate of 4 dollars per month when the price is 30 dollars, find the rate of change of the demand. 2) a) The price (in dollars) p and

*asked by Alison on November 2, 2011* -
## Statistics

Height (ft) Interval after (min) 96 68 111 80 76 66 91 72 66 58 108 79 116 84 91 79 The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent

*asked by Stephanie on February 12, 2014* -
## math, functions

Suppliers of a certain brand of digital voice recorders will make 10,000 available in the market if the unit price is $45. At a unit price of $50, 20,000 units will be made available. Assuming that the relationship between the unit price and the quantity

*asked by jj on September 1, 2019* -
## Algebra

Which is NOT true about the following table. X. 1, 2, 3, 4 Y 1, 4, 9, 16 A. It shows a linear function******** B. x increases by 1 each time C. The rate of change is not constant D. Y increases by a different value each time Write a quadratic function rule

*asked by BUBBLES on February 16, 2015* -
## from pg 2...Dr.Bob.

Sorry but I have just a few more Q'sfrom what you said And something that I saw today. Actually I was talking about specific course exams. I've been out of touch for awhile so I don't know all the rules about GRE, SAT, GMAT, etc. Do you mean that I ask

*asked by ~christina~ on March 27, 2008* -
## please help Chemistry

Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of

*asked by george on March 26, 2015* -
## Chemistry

Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of

*asked by Troy on March 24, 2015* -
## AlgebraB-2

1. What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? (1 point)6 36 72 144 2. What are the solutions of the equation x2 + 4x = 96? (1 point) 2, –48 –12, 8 –2, 48 12, –8 3. What are the solutions of the

*asked by Jennifer W. on March 19, 2013* -
## english - What is true love

i writing another essay but this be about love and i have to write expository essay. i have to write does it exist? or it only based on fantasy? i have to consider cultural and natural(biological) factors. i think true love do exist because romeo and

*asked by Mohammad on February 9, 2012* -
## chemistry

Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of

*asked by george on March 26, 2015* -
## Physics (Please)

I'm confused and am hoping someone could help me understand energy can neither be created nor destroyed... great... so in physics classes we can set up problems and stuff were KEo + PEo = KE + PE Energy intial equals energy final sense energy is conserved

*asked by Physics on October 19, 2009* -
## Calculus

QA: “The Softmax/Hockey Stick question”: Functions with these shapes are useful in applications where something had been roughly constant but then starts growing linearly, or vice versa, or has some other piecewise-linear behavior. Examples include the

*asked by Naomi on October 14, 2019* -
## HELP MATH

Thank you for taking the time to respond. I am in the 5th grade. However word problems are a problem. On my homework sheet it says, Strategies Used.... Visual Thinking... My soloution First I... Then I... Next I... After that I... Finally I... My answer

*asked by To: Reiny again on November 16, 2009* -
## MATH

13. write the ratio as a fraction in simplest form. 30:48 A.1/6 B.5/8 C.30/48 D.8/5 14. Write the ratio as a fraction in simplest form. 38 to 20 A. 38/20 B.1/9 C.19/10 D.10/19 15. write the ratio as a fraction in simplest form. 6 out of 9 A.1/3 B.3/2 C.2/3

*asked by Urgent on November 2, 2016* -
## computer sicence C++

Americans spell differently from Canadians. Americans write "neighbor" and "color" while Canadians write "neighbour" and "colour”. Write a program to help Americans translate to Canadian. Your program should interact with the user in the following way.

*asked by Riana on September 28, 2013* -
## math

A consultant traveled 7 hours to attend a meeting. The return trip took only 6 hours because the speed was 10 miles per hour faster. What was the consultant's speed each way? Rachel earns $6000 less than twice as much as Tom. If their two incomes total

*asked by ashley-help please! on May 28, 2007* -
## Physics

A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 38.0 ¢XC, altering its temperature sinusoidally with an amplitude of Ti = 3.00 ¢XC. The equation which gives the temperature, T(x,t), of the metal bar at any

*asked by Matt on May 18, 2011* -
## Physics

James and Steve have a contest to see who can kick a football further. James kicks the football at an angle up of 57 degrees, and a speed of 75m/s. Steve kicks the ball with a speed of 100m/s, at an angle up of 48 degrees? Who wins the contest? Please show

*asked by Molly on June 21, 2011* -
## MAT222

-x+4y=4 x-4y=-4 the system has no solution the system has a unique solution: the system has infinitely many solutions they must satisfy the following equation: y=0 the answer is the system has many solutions i just don't know the answer to the equation y=?

*asked by Kia on September 1, 2014* -
## math

(a)Given the points P(3,5),Q(8,10)and R(8,0),find the equation of a line which is perpendicular to QR and passes through the mid point of QR. (b)The line 2x+3y=2 and 7x-3y=10 intersect at A . Find the equation of the line which passes through A and is

*asked by JOJO on June 5, 2013* -
## Chemistry s103 Q5

struggling to get this to come out right: Compound 1 CH2=CH-CH-OH | CH3 + Compound 2 O || CH3-CH-CH2-C | OH | | ? (i) identify any functional groups in compounds 1 & 2 by circling them and naming them clearly. (ii) complete the equation for reaction 1 by

*asked by Desmond on March 8, 2007* -
## Physics

A meter stick has mass 39 g, and has a pivot placed at the center at the 50 cm mark. A mass of m1 is place at the 5 cm mark. Another mass of 10 g is placed at the 70 cm mark. What mass m in grams has to be placed at the 80 cm mark to create translational

*asked by Dridien on April 7, 2016* -
## maths

1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.

*asked by Michael on October 24, 2016* -
## Calculus

A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the velocity of

*asked by Anonymous on May 8, 2018* -
## maths

1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.

*asked by Michael on October 25, 2016* -
## maths

1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.

*asked by Saphina AlMatary on October 24, 2016* -
## equations

The linear equation y=0.15x + 0.79 represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2005 would be year 9, or x = 9.

*asked by Anonymous on October 24, 2009* -
## Math

The line has equation y=2x+c and a curve has equation y=8-2x-x^2. 1) for the case where the line is a tangent to the curve, find the value of the constant c. 2) For the case where c = 11, find the x-coordinates of the points of intersection of the line and

*asked by Confused by Math on September 20, 2016* -
## math

HISTORY TEST You take a history test that has 100 regular points and 8 bonus points. You get a score of 91, which includes 4 bonus points. Let x represent the score you would have without the bonus points. Which equation represents this solution? Solve the

*asked by valeria on September 27, 2009* -
## Managerial Economic

The equation for a demand curve has been estimate to be Q = 100 - 10P + 0.5Y, where Q is quantity, P is price, and Y is income. Assume that p = 7 Y = 50. a. Interpret the equation b.At a price of 7, what is price elasticity? c. At an income level of 50,

*asked by sophea on December 8, 2013*

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