Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 614

**Math**

If your car gets 18 miles per gallon of gas, how many pints of gas will you need to take a 698 mile trip

**business stats**

Suppose 1.5 percent of the antennas on new Nokia cell phones are defective. For a random sample of 200 antennas, find the probability that: (Use the poisson approximation to the binomial.)

**calculus**

When a hammer thrower spins, the hammer generates a circle with a radius of 5 feet. When thrown, the hammer hits a screen that is 50 feet from the center of the throwing area. Let coordinate axes be introduced. If the hammer is released at (-4, -3) and travels in the tangent d...

**math**

You randomly choose a natural number from 1-10. what is the probability that you choose a multiple of 2 or 3?

**Math**

Evaluate -3 *x^2+2*y^2 for x=-1 and y=4

**math (check answer plz)**

thank you!

**Trig**

A vertical pole stands on a 20° slope from 50 m down the slope from the pole the angle of elevation of the top of the pole is 35 degrees. How tall is the pole

**chemistry**

if I have the reaction Magnesium + Hydrochloric Acid -> Magnesium Chloride + Hydrogen Gas And I have to 'investigate the effect of the concentration of the acid on the volume of hydrogen gas produced in the above reaction', what would be expected to happen?

**Math**

Order from greastest to least -1 13/14 , -1.9 , -1 9/11, -1.95 show work

**accounting**

Bethany Link delivers parts for several local auto parts stores. She charges clients $1.65 per mile driven. She has determined that if she drives 2,400 miles in a month, her average operating cost is $.45 per mile. If Bethany drives 2,800 miles in a month, her average operatin...

**Math**

When camomile finished making a bracelet , it was 7.9 inches long what was the diameter?

**Algebra (Word Problem)**

Here's the word problem: You have a coupon for $50 off your camera purchase of $100 or more at Camera World. Write a function relating a camera's purchase price after coupon, y, to the retail price, x. Give the domain of this function. Here is what I have so far: y = p...

**Math**

A train leaves the station at noon. The train is 180mi from its destination at 12:45PM and 90mi from the destination at 2:15PM. 1. How far is the station from the destination? 2. At what time will the train reach the destination?

**Math**

Alex puts his spare change in a jar every night. If he has $11.09 at the end of January, $22.27 at the end of February, $44.35 in April, $75.82 in July, $89 in August, and $114.76 at the end of October, perform a linear regression on this data to complete the following items. ...

**Algebra (Graphing Calculator)**

When trying to perform a linear regression, my fx-9750II calculator doesn't give me the option of graphing once I put the info into lists. The options it gives me are "SRT-A", "SRT-D", "TOP", and "BTM", but no "GRAPH". I do...

**Algebra**

Mike’s father is twice as old as he is. Seven years ago, the father was 7 years less than thrice as old as Mike was. Find Mike’s present age.

**Algebra **

Ruffy is 34 as old as Orlie. Four years ago, Ruffy was 1 year more than 12 as old as Orlie. How old is each?

**English**

how about this: Although Emerson and Thoreau shared many of the same ideas, Emerson promoted the idea of self improvement whereas Thoreau maintained the idea that man should be content with who they are.

**English**

I need to write a comparative essay abput Ralph Waldo and Thoreau. I was wondering if i could have help with a thesis.

**English**

In "First Confession," Gran is best described as a A) flat character. B) round character. C) stock character. D) antagonist. In "First Confession," all of the following situations contribute to the humor created in the story by transforming a familiar event...

**Socials**

PLease help!!

**Socials**

1. A description of life in 17th century ENgland according to a member of the roundheads. 2. The roundheads views on civil rights. Thanks! :)

**3 grade math **

Use the digits 3, 7, 1, 5 to write a number that rounds to each of the following 2,000 3,500 6,000 7,400

**English**

I have to write an essay on a book I read, and I want the title of my essay to be something quoted from the book. But how would I write the title in MLA format; I can't put it in quotes can I? because wouldn't that indicate a chapter title or an article? If anyone coul...

**Algebra **

On my last post I forgot to add that I need to know if they are inverses of each other.

**Algebra**

I did sorry about that but I have found the answer since then. I got it wrong when I submitted it but time was running out. However, I know the answer now but I still don't understand it at all.

**Algebra**

I have to solve an inverse function. f(x)=x+6 and g(x)=x+6 f(x)=1/4x,x is equal to or not equal to 0 g(x)=1/4x,x is equal to or not equal to 0 Please help me I have been on this one problem for hours and I can't get it. This one question will determine whether or not I pas...

**math**

Katie Chalmers borrowed money from her credit union at 13.2% simple interest to buy furniture. If the loan was repaid in 2½ years and the amount of interest was $1,320, how much did Katie borrow?

**business math**

Interest= Principal x Rate x Time I=$230,000 x .13 x 30/360 I=$2491.666 Interest= $2491.67

**Hello? My math question was ignored?**

My math question was ignored!

**Math**

9(x+2)(x+1)-2(x+2)-4(x+1)=0 I'm in the middle of solving an equation. I know that you have to FOIL but how did they get 9(x^2+3x+2)-(4x+4)=0 ? I thought you distribute the 9 through (x+2)(x+1). and why is it (4x+4) instead of (4x-4) because -4 x 1 = -4 .... Please help me ...

**math**

no i did not

**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 fir...

**math**

Fran Mallory is married, claims five withholding allowances, and earns $3,500 (gross) per month. In addition to Federal income tax (FIT), social security, and Medicare withholding, Fran pays 2.1% state income tax, and ½% for state disability insurance (both based on her...

**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

**math**

Paul Warren is a self-employed mechanic. Last year he had total gross earnings of $44,260. What are Paul’s quarterly social security payments due to the IRS

**math**

Mitch Anderson is a security guard. He earns $7.45 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for the midnight shift. If Mitch worked 56 hours last week, including 4 hours on the midnight shift, how much were his gross earnings

**math**

Barbara Sultan works 40 hours per week as a registered nurse. At the rate of $31.50 per hour, what are her gross weekly earnings

**Math**

Take 9,850 and multiply it by 6.2% you will get 610.70. then multiply 9,850 by 1.45% you will get 142.825. Add together the 610.60 + 142.825= 753.53 is the total that is withheld from Dans check.

**Math**

Take 9,850 and multiply it by 6.2% you will get 610.70. then multiply 9,850 by 1.45% you will get 142.825. Add together the 610.60 + 142.825= 753.53 is the total that is withheld from Dans check.

**math**

Epicure Market prepares fresh gourmet entrees each day. On Wednesday, 80 baked chicken dinners were made at a cost of $3.50 each. A 10% spoilage rate is anticipated. At what price should the dinners be sold to achieve a 60% markup based on selling price

**math**

What was the original selling price of a treadmill currently on sale for $2,484 after a 20% markdown

**math**

If the markup of a fluorescent light fixture transformer is 120% based on the cost, what is the corresponding percent markup based on selling price

**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

**math**

Office Market is having a sale on printer paper. If you buy 2 reams for $8.99 each, you will get a third ream free. Calculate the markdown percent

**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?

**Math**

13/52

**math**

A flower shop buys roses with a list price of $1,500. If the wholesaler offers trade discounts of , find the trade discount amount to the nearest penny

**math**

The Empire Carpet Company orders merchandise for $17,700, including $550 in shipping charges, from Mohawk Carpet Mills on May 4. Carpets valued at $1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives on May 26 and Empire w...

**math**

What is the net price factor for trade discounts of 25/15/10

**chemistry**

What is the balanced equation for a reaction of iron with chlorine?

**Calculus**

Yes, had just finished getting it! Thanks!

**Calculus**

U substitution on indefinite integral/antiderivative. (t^3+4)^-2 t^2 On this should I use u on the parenthesis and should I put this into a natural log?

**math**

hermione puts $1000 into an account on january 1, 2008. if the account is compounded continuously at a rate of 7.9%, in what month of what year will the account reach $100,000? Is the correct answer January,2069?

**math**

what is the graph of y=-16t^2+8t+70

**physics**

An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. (a) What is the electric field energy density at P? (b) A parallel-plate capacitor whose plates have area 0.110 m2 has a uniform electric field between its plates with the same e...

**math**

A penguin swimming with the ocean current in search of food takes 1 hour to travel 9 miles. Its return trip upstream to its starting point takes it 3 hours, What is the penguin's speed in still water? Thanks.

**math**

Hello! I would be really grateful if you could help me with this word problem. Here is the problem: In a cartoon, a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250 feet tall, how long w...

**Math**

Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each two inches longe...

**Math**

Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each two inches longe...

**math**

7/8 + 1/10 find the sum or difference. write the snswer in simplest form

**Algebra**

How do I write an equation of a line that passes through the point (-28, -5) and is parallel to y= -5 45 X - _ __ 8. 2

**Algebra**

How do I write an equation of a line that passes through the point (-31,22) and is parallel to this equation: 16x + 13y= -210

**Algebra**

How do I write an equation of a line that passes through the point (-31,22) and is parallel to this equation: 16x + 13y= -210

**Math**

Next door neighbors Moe and Larry are using hoses from each of their houses to fill Moe's pool. They know it takes 12 hours using both hoses. They also know that Moe's hose, used alone, takes 40% less time than using Larry's hose alone. How much time is required to...

**Math**

Because of an anticipated rainstorm, the water level in a reservoir must be lowered by 1 foot. Opening spillway A lowers the level by this amount in 4 hours, whereas Opening spillway B does the job in 6 hours. How long will it take to lower the water level by 1 foot if both sp...

**math**

a freight train is traveling 30mph. An automobile starts out from the same place 1 hour later and overtakes the train in 3 hours. What was the rate of the automobile?

**history**

In order to create heavy industries in Russia, Stalin had his five-year plans. To increase agricultural production in China, Mao had his... A. Great Cultural Revolution B. Red Guards C. Reeducation policy D. Great Leap Forward

**history**

The nations of the world that were formerly victims of imperialism and did not align themselves with either the West or the Communist powers are today called what? A. first world countries B. second world countries C. underdeveloped nations D. developing nations

**History**

After Clovis's death, real power in the Merovingian Dynasty was in the hands of who? A. the nobles B. mayors of the palace C. parish priests D. king's wife

**History**

thankssss

**History**

Who are the parties involved in this joint study? : It would be NASA and the International Space Station, right...?

**History**

Um.. Not sure.. It's not d, probably not a.. Is it b? That sounds most logical..

**History**

NASA, space shuttles, and the International Space Station are (a)all related to Cold War spy technology (b) joint scientific study and space exploration efforts (c) United States efforts to build anti missile defenses (d) belief in extraterrestrial life

**History**

The first European power to explore the coast of West Africa was A. England B. Portugal C. Holland D. France

**History**

Thank you for helping me FIND the answer, and not just giving it to me. That's very wise of you, and helpful to me as a student who needs to be capable of research.

**History**

The advantage of the Phoenician system of writing over the Chinese, Sumerian, and Egyptian was that it (a) used fewer sounds (b) used fewer pictures (c) used fewer symbols (d) none of the above

**History**

Thank you, again.

**History**

The Soviet Leader who did the most to end the Cold War was which of these? A. Joseph Stalin B. Nikita Khrushchev C. Leonid Brezhnev D Mikhail Gorbachev

**World History**

Thank you Ms. Sue

**World History**

The person who might be called the "father of the hydrogen bomb" is (a) Enrico Fermi (b) Robert Oppenheimer (c) Niels Bohr (d) Edward Teller

**World History**

How?

**World History**

During the European medieval period, there was no strong centralized government. However, advances were made in the areas of (a) art, science and communication, (b) agriculture, technology and ship design (c) medical knowledge (d) all of the above

**World History**

Arabs are joined together through (a) kinship through a male line (b) arranged marriages (c) kinship through a female line (d) agreements by kings

**chmisrty**

when a solution of Iron (II)ammonium sulfate was mixed with K4FE(CN)6, the precipitate was initially white but turned blue upon exposure to air. what happen to the Iron(II)ionwhen the precipitate turned blue

**Cultural Anthropology**

A Big Man’s position differs from a chief’s position is not based on wealth. is based on personal skills and charisma. is an ascribed status. is reinforced through supernatural authority. My answer is a ascribed status is this correct?

**Anthropology**

Mrs. Sue the answer should be deserts least likely

**Anthropology**

Pastoralism is the branch of agriculture concerned with the raising of livestock. It is animal husbandry: the care, tending and use of animals such as camels, goats, cattle, yaks, llamas, and sheep. so the answer is grasslands?

**Anthropology**

is my answer correct?

**Anthropology**

Is the answer Tropical Forests?

**Anthropology**

Which environment is least likely to be inhabited by pastoralists? (Points : 1) grasslands savannahs tropical forests deserts

**Computer Harware**

You have a single hard drive on your computer that contains two NTFS partitions. Your computer's operating system alerts you that the C partition is running out of room. Your E partition still has 75 gig of free space. What is the least intrusive way to alleviate this prob...

**Computer Hardware**

Your computer fails to boot which has Vista as the operating system. You suspect that the problem is the hard drive, but you aren't sure. What can you do to prove that the problem is indeed the hard drive? A. Install XP on the hard drive and attempt to boot. B. Boot into S...

**chemistry **

what is the frezzing point of 21.6 grams of NiSO4 in 1.00 times 10^2 H2O

**pre algebra**

Ellen buys 6 more paperbacks than hard covers. Paperbacks cost $8 each and hard covers cost $15 each. If Ellen spends a total of $117 on the books, how many of each type does she buy? Give a complete algebraic solution, using the distributive property.

**exponential fuction**

what is y=f(x)=1/3)x rounded to the nearest thousandth

**math (algerba 1)**

I need help with crossmatics puzzle 7

**final review help**

log2 64 and 2^x = 40

**algebra help**

2 5 3 ---+---=-- x^2 x-3 x+3

**College Chemistry**

A chemist decomposes several samples of water into hydrogen and oxygen and weighs (or more correctly “measures the mass of”) the hydrogen and the oxygen obtained.

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | Next>>