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Posts by beth

Total # Posts: 844

Math Help!
#6?

Math Help!
Thank you reiny, makes sense! Can you help me with #5 too? Or the rest is you can?

Math Help!
Wow nice explanation thank you! Do you think you could help me with #1 and 5? These two questions are the ones I am most stuck o

Math Help!
I apologize for all these questions but I really need to get them done fast so I appreciate if you tried to answer some of them! 1. Bill is saving money in an empty jar. The first day he puts in a certain amount of money. Every day after the first he puts in 2 more dollars ...

Math
Ok thank you! What about the second question I posted?

Math
Oh and another math question: If 45 is the sum of n consecutive positive integers, what is th largest possible value of n? I want to know how these 'consecutive numbers' questions work, like how do I list them in my equation?

Math
Every hour a clock chimes as many times as the hour. For example, the clock chimes 4 times at both 4:00 am and 4:00 pm. How many times does it chime from 4:00am through 11:00 pm of the same day including 4:00 am and 11:00 pm.? What is the proper way of doing this question ...

Math
Bill is saving money in an empty jar. The first day he puts in a certain amount of money. Every day after the first he puts in 2 more dollars than the amount he put in on the previous day. After 10 days he has put 200 dollars in the jar. How much money did he pit in the jar on...

Math
t=2x-y+5 t=y-2z+10 t=2z-2x+6 Based on the system of equations above, what is the value of t?

Chemistry
Calculate the ΔHrxn for the following reactions using the heats of formation given in the table at the end of this assignment: a)The complete combustion of methane, CH4, producing water as a liquid. b)The complete combustion of glucose, C6H12O6, producing water as a ...

math
A tower casts a shadow 11 feet long. The distance from the top of the tower to the end of the shadow is 61 feet. how many feet tall is the tower? 61Squared = 11squared = h squared 3721 = 121 + h squared -121 = -121 3600 = h squared I get stuck at this point. Please help!

science
I don't know

Physics
An artillery shell is fired at an angle of 67.4◦ above the horizontal ground with an initial speed of 1860 m/s. The acceleration of gravity is 9.8 m/s2 . Find the total time of flight of the shell, neglecting air resistance. Answer in units of min

math
a job pays a salary of $19,00 the first year. during the next 10 years the salary increases by 4% each year. what is the lifetime salary over the 11 year period?

Statistics
Suppose that hours of sleep per night for single adults between 30 and 40 years of age are normally distributed with a mean of 6.7 hours and a standard deviation of 1.1 hours. What proportion of adults sleep longer than 4.5 hours per night? (Report to 3 decimal places.)

Math
Currently you have $80 and your sister has $145. You decide to save $6 of your allowen e each week, while your sister spends her whole allowance plus $7 a week. How long will it be before you have as much money as your sister?

calc
f"(x)=10, f'(x)=3 f(0)=1/3 find f(1)

Calc
Suppose that we want to estimate the area under the graph of f(x)=X^2+x for x=1 and 3. What is the value of the estimate using four rectangles and taking the sample points to be left-hand endpoints?

Math
Beginning January 1, Community Hospital had 175 inpatient beds. On June 15, the bed count was increased to 200. The hospital provided 67,106 service days to inpatients and 68,012 service days to discharged patients. In addition, there were 9,601 admissions and 9,488 discharges...

Math
Thank You

Math
Ms. Sue, Each coder works 7.5 hours a day

Math
You are the coding Supervisor of a medium sized community hospital. You are staffed with 2 inpatient coders. Your current productivity level for your coders is 3 charts per hour. Your hospital discharges has increased to an average of 75 charts per day. How many staff members ...

chemistry
How many grams of CO2(g) are there in 81.0mL of the gas at 0.789atm and 30 ∘C?

Geometry
Line M bisects PQ at point R. If PQ = 11, draw a figure and find PR=

ethics
they can be overridden by more important duties in a given situation

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 ...

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

ap statistics
1. a. mean equals= .7 and standard deviation is 0.0187. I don't know the rest...

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 ...

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 = ...

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 ...

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 ...

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 ...

medical billing and coding
don't code the 40.11, the correct code is as you posted G8878

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 ...

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
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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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

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