Monday

February 27, 2017
Total # Posts: 603

**@Reiny Math Help**

Oh, yes, I apologize for not including those brackets! I wrote that wrong. The right way is: cosx - cosx/(1-tanx) = sinxcosx/(sinx - cosx)

*January 20, 2015*

**Math Help**

Hi! Okay so we just learned this last week and I completely lost on what to do. These are some warm up problems we did in class but I still don't know how to do them? Can someone help me? Thanks! :) Directions: Verify the idenity for each of the problems. Show all work! 1...

*January 20, 2015*

**Math**

In his first three years of coaching basketball at North High School, Coach Lucas' team won 8 games the first year, 17 games the second year, and 6 games the third year. How many games does the team need to win in the fourth year so the coach's average will be 10 wins ...

*January 18, 2015*

**math**

If P:Q = 5:4 and P = a+b and Q = a-b, find a:b Explain how to get the answer

*December 17, 2014*

**Chemistry**

Rank these from lowest boiling point to highest. CH4 CH3CH2CO2CH2CH3 CH3(CH2)2C=ONH2 CH3COOH

*December 5, 2014*

**Help with differential eqs problem???? (Calculus)**

I actually agree with Bridget. I got the same from the first work done.

*November 30, 2014*

**Math liberal Arts**

A box contains 3 blue, 5 red, 4 white marbles. If one marble drawn at random: find probability of blue given not white. Find probability of not red given not white.

*November 19, 2014*

**math**

Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will be able to ...

*October 21, 2014*

**Business**

Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the primary asset of this business is real estate, Templeton's management has determined that they will be able to ...

*October 21, 2014*

**physics**

A shop prepares fresh takeout where 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. The shop sells the dinners at an 80% markup based on cost. They decide to offer a $1-off coupon in a newspaper ad so, what markdown ...

*October 20, 2014*

**statistics**

b or c

*October 20, 2014*

**statistics**

The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is considered extreme. d. ...

*October 20, 2014*

**4th grade math**

mrs jacksin bought 6 gallons of juice for a party. each gallon has 16 cups. if 3 cups of juice were left over, how many cups did people drink at the party? Please help

*October 15, 2014*

**soc 120**

Florynce Kennedy would agree with which statement? (Points : 1) Making abortion illegal is the result of continual undermining of women’s rights. If men could get pregnant, abortion would be illegal. Women have had historical power to make decisions about legislation ...

*October 14, 2014*

**soc 120**

What is one formulation of Kant’s categorical imperative? An eye for an eye. Always act in such a way that you promote the greatest happiness for the greatest number. Treat others as you would want to be treated. Do good to others with hate in your heart. Always treat ...

*October 14, 2014*

**science**

As mentioned before, our asteroid is in the shape of a sphere and has a mass of 2000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters.

*October 11, 2014*

**Math**

The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 miles from the center of the earth), an astronaut weighs 110 pounds. Find her weight when she is 139 miles above the surface of the earth and the ...

*September 24, 2014*

**sociology**

One who believes in a social contract theory would most agree with which statement? (Points : 1) people do not need laws to live harmoniously in society. humans make contracts in order to buy things. in order to establish society, humans agree to obey certain rules. the ...

*September 23, 2014*

**sociology**

According to literature on violence in television, the average 18 year old will have seen how many violent acts? (Points : 1) 1,000 6,000 8,000 60,000 200,000

*September 23, 2014*

**sociology**

Which statement best reflects the argument that prayer in school should be protected? (Points : 1) Prayer is protected by the second amendment. Prayer contributes to virtuous ideals in the student body. Prayer is different across cultures and as such should take place outside...

*September 23, 2014*

**sociology**

Justice Potter Stewart would most agree with which claim about obscenity? (Points : 1) It is easy to concretely determine what obscenity is. People can intuitively understand what obscenity is. Obscenity ought to be allowed so long as no one is harmed. Obscenity involves ...

*September 23, 2014*

**Year 10 Algebra**

oh, I'm sorry! The question is asking to find the dimensions needed for the maximum area

*September 11, 2014*

**Year 10 Algebra**

A farmer is building a rectangular garden bed next to a river and has 8 metres worth of fence line to fence it off. I understand that the equation of this would be: A = w(8 - 2w) However, I am unsure what to do next

*September 11, 2014*

**Quick question**

yes

*September 7, 2014*

**math**

if (3,21) lies on the graph of f, then f()= what?

*September 1, 2014*

**american history**

Under the _______ system, Spanish conquistadores were rewarded with local villages and control over the local labor force.

*July 7, 2014*

**biology Please Help**

The probability that their baby will be a carrier of the gene for PKU is (A) __________. The probability that their baby will be affected by PKU is (B) __________. If both genotypes were Pp, the probability that their baby would be affected by PKU would be (C) _________. my ...

*June 1, 2014*

**Finance**

An investor buys 100 shares of a $40 stock that pays an annual cash dividend of $2 a share (a 5 percent dividend yield) and signs up for the dividend reinvestment plan. A. If neither the dividend nor the price changes, how many shares will the investor have at the end of ten ...

*May 1, 2014*

**Math**

Could I please get another example of a math problem like the one I did below? 2(x - 14) + 3 = 7x + 5

*May 1, 2014*

**IT**

I am not sure that is just what was asked. This was my response. integration of computing and telecommunications platforms, nanotechnology, edge computing, autonomic computing, virtualization, and multicore processors. Please let me know if this is correct or if I am missing ...

*April 22, 2014*

**IT**

What are the most important contemporary hardware and software trends?

*April 22, 2014*

**Math**

Great thanks!!

*April 20, 2014*

**Math**

I redid my answer to make it sound better. I don't think I added the last question in there know. Please let me know. Working in accounting I deal a lot with money issues that create problems to be solved. Because of this I manage money or math problems all the time. I pay...

*April 20, 2014*

**Math**

Explain a real-world problem that you used math to solve. What mathematical expressions did you use in your problem solving? Define your variables and explain your expression. My real-world situation would be making a cake and converting the cups into oz. I needed to figure ...

*April 20, 2014*

**sociology**

According to literature on violence in television, the average 18 year old will have seen how many violent acts? (Points : 1) 1,000 6,000 8,000 60,000 200,000

*April 1, 2014*

**algebra**

the current in an electrical conductor varies inversely as the resistance of the conductor. If the current is 12 ampere when the resistance is 240 ohms, what is the current when the resistance is 540 ohms

*February 9, 2014*

**Chemistry**

Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the group is the most ...

*February 5, 2014*

**Chemistry**

complete the equation. Na + H2-->

*February 5, 2014*

**Chemistry**

Actually... it was NaH x/

*February 5, 2014*

**Chemistry**

Thank you ^_^

*February 5, 2014*

**Chemistry**

complete the equation. Na + H2-->

*February 5, 2014*

**Chemistry**

Balance equation. been working on this for almost 5 hours now, just cant do it. HCl+As2O3+NaNO3+H2O-->NO+H3AsO4+NaCl

*February 5, 2014*

**Hsco**

Corey et al. does an excellent job addressing the initial stages of a group. In the workbook, they challenge you to think about a group you want to lead and how what you viewed in the video might be modified for your group. Discuss how you can implement these techniques in ...

*February 2, 2014*

**math**

Break apart 56 to solve 56 divided by 7

*January 21, 2014*

**Chem**

I have a question on a post lab that asks what would happen if you mix potassium bromide and Br2 (aq)? Wouldn't the answer be nothing, since yiu are just adding more of one of the elements to the conpound?

*November 18, 2013*

**Health part 2**

SEER - "Each neuron has three basic parts: cell body (soma), one or more dendrites, and a single axon." It is A

*November 5, 2013*

**History: Salem Witch Trials**

How did the Salem Witch Trials and verdicts affect the British American Constitutional Tradition?

*November 3, 2013*

**chemistry**

N2 + 2 O2 ---> 2 NO2. Suppose 31.25 g of N and 44.0 g of oxygen react. A. Calculate the mass of Nitrogen dioxide formed. B. Which reactant is the limiting reactant? C. Calculate the mass of the excess reactant left after the reaction. D. Find the % yield if 52.3 g of NO2 is...

*October 30, 2013*

**Social studies**

What are the east states and there capitols

*October 24, 2013*

**Math**

You withdraw $260 from your bank account in 5 trips to the ATM. What is the average change in your account balance after each trip? A submarine descends 60ft./min. What depth below the water's surface will the submarine reach in 4 min after leaving the surface? In a trivia...

*September 24, 2013*

**PSY202**

IS THE ANSWER D

*September 17, 2013*

**PSY202**

UNDERSTANDING ACCEPTED STANDARDS OF BEHAVIOR WHEN YOU ENTER A NEW CLASSROOM DEMONSTRATES THE PROCESS OF ADOPTING GROUP NORMS PEER REVIEW SOCIAL STRATIFICATION EMOTIONAL INTELLIGENCE

*September 17, 2013*

**statistics**

life's span miles what's percentile 36,850 41,150 39,000

*September 8, 2013*

**Heath**

The answer is chlamydia... " In the United States alone, an estimated 19 million new STD .... Chlamydia is the most frequently reported bacterial STD in the United States."

*August 20, 2013*

**math**

Fandango Furniture Manufacturing, Inc. has 40 employees on the assembly line, each with gross earnings of $325 per week. What are the total combined social security and Medicare taxes that should be withheld from the employees’ paychecks each week?

*June 6, 2013*

**math**

Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo’s new biweekly gross earnings?

*June 6, 2013*

**math**

Ransford Alda is a self-employed security consultant with estimated annual earnings of $90,000. His social security tax rate is 12.4%, Medicare is 2.9%, and his federal income tax rate 14%. How much estimated tax must Ransford send to the IRS each quarter?

*June 6, 2013*

**math**

Universal Exporting has three warehouse employees: John Abner earns $422 per week, Anne Clark earns $510 per week, and Todd Corbin earns $695 per week. The company’s SUTA tax rate is 5.4%, and the FUTA rate is 6.2% minus the SUTA. As usual, these taxes are paid on the ...

*June 6, 2013*

**physics**

My apologies, I should have double checked what I had typed. The truck accelerates from 15 m/s to 27 m/s in a time of 15 sec.

*May 31, 2013*

**physics**

A large truck (m=3300kg) accelerates from 15 m/s. Neglecting any friction or air resistance, find the average mechanical power that the trucks engine must supply.

*May 31, 2013*

**math**

this is business math deal with markup and markdown

*May 30, 2013*

**math**

At The Luminary, the markup on a halogen light fixture is 50% based on selling price. What is the corresponding percent markup based on cost?

*May 30, 2013*

**math**

Nope, got that answer and it was wrong. this got me very puzzled on this problem.

*May 30, 2013*

**math**

Bloomingdale’s purchases imported perfume for $24.30 per ounce. If the store policy is to mark up all merchandise in that department 39% based on selling price, what is the retail selling price of the perfume?

*May 30, 2013*

**math**

The Flour Power Bakery makes 200 cherry cheesecakes at a cost of $2.45 each. If a spoilage rate of 5% is anticipated, at what price should the cakes be sold to achieve a 40% markup based on cost

*May 30, 2013*

**Accounting**

The following is an excerpt from a conversation between the office manager, Mark Cottman and the president of Horowitz Construction Supplies, Co., Rosa Mullin. Horowitz sells building supplies to local contractors. Mark: Rosa, we’re going to have to do something about ...

*May 29, 2013*

**math**

What is the hardest part of solving equations?

*May 18, 2013*

**math**

thank you miss sue

*May 18, 2013*

**math**

any helpful hints for solving equations?

*May 18, 2013*

**Accounting for Non Accounting Majors**

Comment on Dr. Hendley’s statement that the difference between the opening bank balance ($30,000) and the January statement balance ($75,000) is pure profit.

*May 1, 2013*

**math**

find the present value of the following future amount. 600,000 at 6% compunded semiannually for 25 years what is the present value

*April 23, 2013*

**math**

A bicycle wheel whose radius is 30 cm covered a distancein 70 revolutions.how many kilometres was this distance

*April 18, 2013*

**math**

The platform is 1 foot by 4 feet by 6 feet. What ha the surface area of the platform?

*April 9, 2013*

**Probability**

An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $355,000. If only natural gas is hit, the income will be $130,000. If nothing is hit, there will be no income. If the probability of hitting oil ...

*March 2, 2013*

**Math**

formulate but do not solve the linear programming problem. Tracy has at most $200,000 to invest in stocks,bonds, and money-market funds. She expects anual yields of 15%, 10%, and 8%, respectively, on these investments. If Tracy wants at least $50,000 to be invested in money-...

*March 1, 2013*

**College Algebra**

Develop a tree diagram for tossing two, eight-sided gaming dice to figure out how many possibilities there are. Discuss the purpose of using such a visual in working out probability.

*February 26, 2013*

**College Algebra**

Provide one example to show how you can use the Expected Value computation to assess the fairness of a situation (probability experiment). Provide the detailed steps and calculations.

*February 26, 2013*

**calculus**

Find a formula for the exponential function that satisfies h(2)=22 and h(4)=14.08

*February 16, 2013*

**Math**

Find a formula for the exponential function that satisfies h(2)=22 and h(4)=14.08

*February 16, 2013*

**Math**

DON'T KNOW

*February 6, 2013*

**ENGLISH**

I Need Someone to check my essay for me and give me some input please.

*January 12, 2013*

**Math**

Which function includes the data set (0, -1), (2, 5), (5, 14)? Can you show me how to solve this? A) 3x-1 B) 2x+4 C) 2x+1 D) x+1

*January 10, 2013*

**Statistics**

please help having difficulty with this problem. It was noted that 40% of the people in Dallas read the morning newspaper. A random sample of 18 people is selected from the city. On average, how many people would you expect to read the morning newspaper in a sample of 18?

*December 13, 2012*

**Statistics**

I'm having a problem with this problem. Please help. Thank you.. Find the probability that more than 13 people will read the morning newspaper..

*December 13, 2012*

**Statistics**

Please Help!!! I am having a small Problem Working this Problem. I am just not understanding. Could someone please assist? The lifetime of a brand of DVD player follows a normal distribution with a mean of 8 years and a standard deviation of 6 months. Find the probability that...

*December 5, 2012*

**English**

I have to draw Helen Robinson from To Kill a Mockingbird for English. I have no idea how to start or what she looks like. Any help?

*November 18, 2012*

**economics**

decrease

*November 16, 2012*

**Science and Math Combined**

Can someone please help me understand how I figure out how much electricity I used when using a small appliance (lets say 300 watts. For the duration of 3 hours? Does anyone know the formula to figure this out?

*November 14, 2012*

**chemistry**

given 2C6H6+15O2->12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water and benzene are ...

*November 13, 2012*

**chemistry**

given 2C6H6+15O2->12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water and benzene are ...

*November 13, 2012*

**finance**

If the principal P=800, the interest I= 384, and time t = 6 years, find the following: What is the rate? What is the future value?

*October 30, 2012*

**Chemistry**

write the conjugate acid of this base. PO4^3-

*October 15, 2012*

**Chemistry**

Balance MgCO3 > CO2 + MgO

*October 15, 2012*

**Chemistry**

At constant temperature, a sample of 3.0L of Argon gas at 2.0 atm is compressed until the new pressure is 3.524 atm. What is the new volume?

*October 13, 2012*

**Chemistry**

How do we prepare 500mL of 0.5 percent w/v solution of NaOH if we have stock solution of 50 percent w/v NaOH on hand?

*October 12, 2012*

**Chemistry**

How would we make 500mL of a 1.5 percent w/v solution of KCl in water?

*October 12, 2012*

**chem**

Ethanol, C2H6O, is very soluble in water. Describe how water dissolved ethanol.

*October 11, 2012*

**Chem**

To a tank already containing N2 at 2.0 atm and O2 at 1.0 atm, we add an unknown quantity of CO2 until the total pressure is 4.6 atm. What is the partial pressure of the CO2?

*October 11, 2012*

**Chem**

How would we make 500mL of a 1.5 percent w/v solution of KC1 in water?

*October 11, 2012*

**Chem**

In carbon monoxide poisoning the hemoglobin is incapable of transporting oxygen to the tissues. How does oxygen get delivered to the cells when the patient is put into a hyperbaric chamber?

*October 11, 2012*