# Posts by lillian

Total # Posts: 76

**Business Math**

A newly couple has $15,000 toward the purchase of a house. For the type and size of house the couple is interested in buying, an estimated down payment of $20,000 will be necessary. How long will the money have to be invested at 10% compounded quarterly to grow to $20,000? ...

*March 14, 2017*

**Business Math**

In a suburb of Houston, housing costs have been increasing at 5.2% per a year compounded annually for the past 8 years. A house with a current value of $26,000 would have been worth how much 8 years ago?

*March 14, 2017*

**Math**

By what percent will the product of two numbers decrease if one of them is decreased by 25% and the other is decreased by 50%?

*May 22, 2016*

**math**

* A cat and a dog have a race. The cat’s strides are 30% shorter than the dog’s but it makes 30% more strides than the dog. Which of them will win the race?"

*May 22, 2016*

**Math**

How many possible lunch combinations can I choose from with 12 meats, 20 side items, 7desserts, and 8 drinks?

*March 14, 2016*

**biology**

Disadvantages of cross pollination

*September 2, 2015*

**Math**

Find the domain and range for y=x^2+9. Wouldn't the domain and range just be all real numbers since nothing else is really given in the equation? How would you enter "all real numbers" in interval notation? Would it include the infinity sign?

*August 26, 2015*

**Logs**

We haven't learned the Taylor Series. But it's okay! Luckily enough we're allowed to use a calculator :) Thank you!

*August 26, 2015*

**Logs**

Approximate e^-0.6 to 3 decimal places. I am not sure how to approach this without a calculator. I don't think we are allowed to use a calculator but I'm not 100% sure on that either.

*August 26, 2015*

**math**

Perform the indicated operation. Simplify the result, if possible. 11 - \frac{5}{4x-5} would you multiply the denominator to both sides and get the answer?

*August 26, 2015*

**Trig**

Evaluate the following expression: sin(cos^-1(12/13)) tan(sin^-1(3/5)) I do not know what the inverse values would be...how would I work through this?

*August 26, 2015*

**Algebra**

**Sorry this was already answered!

*August 26, 2015*

**Algebra**

Multiply and simplify. Assume any factors you cancel are not zero. 8/(15x+24y) times (5x+8y)/10 = ?? I multiplied straight across and got (45x+64y)/(150x+240y) but then I wasn't sure where to go from there.

*August 26, 2015*

**Algebra**

Thank you!

*August 25, 2015*

**Algebra**

Multiply and simplify. Assume any factors you cancel are not zero. 8/(15x+24y) times (5x+8y)/10 = ?? I multiplied straight across and got (45x+64y)/(150x+240y) but then I wasn't sure where to go from there.

*August 25, 2015*

**Pre-cal**

Alicia wants to build a block pyramid similar to the one shown. block pyramid the top level will always have 2 blocks. Alicia wants her pyramid to contain as many levels as possible. How many levels can her pyramid have if Alicia has 200 blocks?

*May 26, 2015*

**Allied health**

The Genetic information Nondiscrimination Act applies to which insurer

*May 23, 2015*

**math**

The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences

*April 24, 2015*

**Life Orientation**

The impact of corruption and fraud

*March 1, 2015*

**The Cask of Amontillado**

Hello, I had to answer to some questions on the this paragraph of 'The Cask of Amontillado' by Edgar Allen Poe. The paragraph: The thousand injuries of Fortunato I had borne as I best could, but when he ventured upon insult I vowed revenge. You, who so well know the ...

*December 7, 2014*

**Chemistry**

Find the theoretical and actual yield of 25.0g Pb(NO3)2+15.0g2NaI=PbI2+2Na(NO2)

*September 16, 2014*

**math**

if you have a jar filled with candy and every time you take one candy out you put the wrapper back into the jar. the wrapper takes 10% of the volume of a piece of candy. How many times will you have to fill the jar before half the jar is filled with candy wrappers?

*May 7, 2014*

**algebra 2**

1) You want to buy gift for a friend and that likes going to the movies. You want to spend no more than $40.00 but no less $24.00. The tickets are $7.50 each. How many tickets can you purchase for the friend? 2) You decide that you will spend more on your friend and you ...

*September 17, 2013*

**Math**

Pedro has two options: he can enter raffle number 1, OR raffle number 2 along with raffle number 3. If Pedro chooses to enter raffle number 1, he can buy up to 100 raffle tickets. Each ticket has a 1 in 50 chance of getting selected. If Pedro chooses raffle number 2/raffle ...

*August 5, 2013*

**english first additional language**

Ndebele traditional

*April 18, 2013*

**Observing development of the young child**

I think it's A

*August 27, 2012*

**Physics question**

When you are calculating the heat energy lost by the hot water what is the mass. Is the mass how much hot water there is or how much water the hot water and the mixture has. Thanks!

*June 22, 2012*

**Math**

A steamer goes 91 mi up a river in 6.5 h. The return trip is scheduled for 3.5 h. What is the rate of the water?

*March 4, 2012*

**History**

Oh and also May You also explain what an economic map is i understand the consept but i want to be sure.

*October 10, 2011*

**History**

Hello I am doing a project about the spanish colonial Floridians Time during the time when there was the 13 original colonies.For the Project I am doing a map of floridaand need to include floridas natural and industrial resources and their locations. I already have oranges ...

*October 10, 2011*

**Math**

31 years

*May 23, 2011*

**medical**

whaen comparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system, it can be said that the lymphatic system also : A- USES A PUMP B- CONTAINS FLUID THAT TRAVELS IN ONLY ONE DIRECTION C-USES VALVES TO PREVENT BACKWARD FLOW CONTAINS FLUID...

*March 4, 2011*

**Calculus**

According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a three-quarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg. (Round your ...

*February 23, 2011*

**Chemistry**

when 6 M NaOH is slowly added to a solution containing chromium (III) ion, a precipate forms. However when an excess of 6 M NaOH is added, the precipated dissolves forming a complex ion with a coordination number of four. 1) write the formula of the precipitate. 2) write the ...

*February 17, 2011*

**8th grade math**

how do i set up a factor tree for 972

*November 20, 2010*

**chemistry please help!!**

IS THE ANSWER 57.14G OF H2SO4

*November 14, 2010*

**chemistry please help!!**

for thr reation: 2AlCl3 + 3H2SO4= Al2(SO4)3 + 6 HCl How many grams of H2SO4 are needed to produce 27.0 grams of Al2(SO4)3

*November 14, 2010*

**medical**

Choose the combining form which best completes the following group: PONT/O, CRANI/O, FORAMIN/O, _______. A. ENCEPHAL/O C. COCHLE/O B. BLEPHAR/O D. SALPING/O11

*November 12, 2010*

**chemistry please help!!**

thank you so much for all your help, i feel really good about taking the exam 2morrow

*October 25, 2010*

**chemistry please help!!**

For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 0.05 moles c3h8

*October 25, 2010*

**chemistry**

is the ans 0.05 moles of C3H8?

*October 24, 2010*

**chemistry**

For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 44.8molesc3h8

*October 24, 2010*

**chemistry**

For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 44.8molesc3h8

*October 24, 2010*

**chemistry**

For the reaction C3H8+5CO2=3CO2+4H2O How many grams of co2 will be produced by buring 0.15 moles of c3h8?i thoink the ans is 16.2gco2

*October 24, 2010*

**chemistry**

sorry correction, For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 360 grams of H2O? I think the ans is 44.8molesc3h8

*October 24, 2010*

**chemistry**

For the reaction C3H8+5CO2=3CO2+4H2O How many moles of c3h8 are needed to make 3.6 grams of c3h8? I think the ans is 44.8molesc3h8

*October 24, 2010*

**chemistry**

For the reaction C3H8+5CO2=3CO2+4H2O How many grams of O2 react with 8.80grams of C3H8? I think the ans is 32.0gO2

*October 24, 2010*

**chemistry**

Thank you DrBob222, For the reaction C3H8+5CO2=3CO2+4H2O How many moles of C3H8 are needed to produce 1.50moles of CO2? I think the ans is 0.5 molesC3H8

*October 23, 2010*

**chemistry**

for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8? I think the ans is 2.25 moles of co2, but i am not sure because i still don't think I understand this fully please help

*October 23, 2010*

**Chemistry**

for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8?

*October 23, 2010*

**Finance**

Medallion Cooling Systems, Inc., has total assets of $10,000,000, EBIT of $2,000,000, and preferred dividends of $200,000 and is taxed at a rate of 40%. In an effort to determine the optimal capital structure, the firm has assembled data on the cost of debt, the number of ...

*August 9, 2010*

**grammar**

It is he. It is also I, depending on who you are speaking of. If it is yourself and Mr. Jones, it would be I. If it were Mr. Jones and someone else, it would be he. He and Mr. Jones might even be better.

*August 9, 2010*

**physics for life sciences**

A car is driven at 80km/h on a horizontal road. If the car is now driven up 10m high rise, what speed would it have at the top of the rise? ( Assume thet the wheels of the car roll at all times so thatit dosen't experience sliding friction ; exclude any other dissipative ...

*June 2, 2010*

**scholarship thing**

for the scholarship, it says we can submit additional work that would give evidence to why we would excel in an honors program. i would really like to submit some photos i took but i'm not sure that would help me, especially when i plan on majoring in environmental studies.

*January 1, 2009*

**health**

What other services (social and health) might the mentally ill need?

*November 11, 2008*

**visual**

I need some explanation about fonts and how to use them. Need to complete an assignement requesting that fonts are used for shpwing contrast in 7 dimensions. My problem is that I don't know how to determine the size of the letters by using a formula. I could measure each ...

*October 7, 2008*

**college - visual arts**

Is there a model to measure the letters/fonts so that each letter is the same size? Or, do I need to measure each letter individually? Thanks.

*October 7, 2008*

**Chemistry- HWK CHECK**

No u guys 5 really is B.. I wish i read these coments before putting C.. I regret it cuz C was seriouslyy wrong.. its positive. =D y would i try to screw everyone??? that's just mean.

*August 4, 2008*

**Math**

negative 9 times 5 over negative 3

*May 25, 2008*

**frankenstein**

Gothic novels emphasize on horror, mystery, and the supernatural. Horror: he creates a monster. Mystery: shown threw out the novel. A supernatual event would be that Electricity could bring something to life.

*December 16, 2007*

**history**

okay thanks

*August 31, 2007*

**history**

I know that's not what it's saying. That's why I put forgot in quotes. But aren't you implying that during the Dark Ages people may have thought the world is flat?

*August 31, 2007*

**history**

So, Jack, basically people thought the world was round, but in the Dark Ages they "forgot"?

*August 31, 2007*

**history**

When and where did people still believe the world is flat? I thought they did in Columbus's time, but I guess that was a myth? According to the page I read on wikipedia people believed the world was flat mostly only during the Classical Antiquity. But in the middle ages ...

*August 31, 2007*

**History**

Could someone explain the concept of judicial review and its impact on the balance of power in the United States Government? Judical review means that the courts can review congressional and administrative actions to see if they are constitutional. The Supreme Court gave ...

*August 19, 2007*

**English**

Can someone suggest any poems that somehow encapsulates the sentiments of Huckleberry Finn" by Mark Twain? I know of none, but one process you can use that MIGHT work is this: Go to http://www.quoteland.com and wander around until you find something that resembles ...

*August 18, 2007*

**environmental science**

Hi. I was wondering if someone could help me grasp a concept. The concept is that soon the world will run out of natural resources to sustain life on Earth as the population increases. This idea is presented in a book I am currently reading, EO Wilson's The Future of Life...

*August 4, 2007*

**science/literature**

Hi. I have to pick a book by Edward Abbey to read. Then I have to write a paper that covers: -what Ed was trying to accomplish with this piece -whether or not he accomplished his goal -what you think about his goals (good, bad????) I was wondering if anyone has any good ...

*July 1, 2007*

**final project**

need help

*June 21, 2007*

**algebra**

Can someone please help me with these problems? Write (27a^-3)^-2/3 in simplest form. Solve log(6x+11)=2. thanks Let me see your work, we can start from there. Alright! :D (27a^-3)^-2/3 =the cubed root of (27a^-3)^-2 =the cubed root of 27^-2a^6 i figured out how to do the ...

*June 2, 2007*

**algebra**

write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I am not going to give you the answers. I will be happy to critique your work. In the first, remember that (a^b)^c= a^bc I am not looking for the answers. And I told you: I'm not quite sure what ...

*May 29, 2007*

**algebra**

write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I need to see your work on the first. On the second, take the antilog of each side what is the antilog? I'm not quite sure what to do for the first, but this is what I tried to do: (27a^-3)^(-2/3...

*May 27, 2007*

**chemistry**

It decreases? If the air pressure increased, wouldn't that make the diver go down? What happens when you press on the pressure cap? Oh, yeah. So, at night the atmospheric pressure increases and therefore the diver sinks? Can someone help me with this question about a ...

*May 24, 2007*

**medical science**

What is the name for the condition when a person feels dizzy and passes out at the sight of blood? Thank you for using the Jiskha Homework Help forum. This is "blood phobia:" http://www.phobia-fear-release.com/blood-phobia.html P.S. Be sure to check "hemophobia...

*May 22, 2007*

**chemistry**

why does a can of soda explode in a hot car? As the temperature rises, the gas (carbon dioxide that make the fizzle in soda pop)exerts more and more pressure until the container ruptures. Any gas heated tries to expand due to greater molecular motion.If it is contained, it ...

*May 21, 2007*

**chemistry**

Does anyone know what advantage there is to using hot water to make ice cubes? Validated tests indicate it is faster to freeze because it has less dissoved air, some of it evaporates, and that evaporation cools it rapidly, and in the end, because some of it has evaporated, ...

*May 20, 2007*

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