# Posts by John

Total # Posts: 8,368

**Social Studies**

No se

**Health**

the national weight control registry found that those who maintained weigth loss reported imporvements in what

**ENGLISH**

revise the following paragraph, improving it without changing its overall meaning. pay particular attention to any subject- verb agreement errors. You ever felt sleep deprived? college students often complains that they are not getting enough sleep.

**Math**

This can't be correct. There are four suits so wouldn't the sample space be 45 x 4 = 180??

**Physics**

When pressure sores develop from sustained positions, the damage occurs at two locations simultaneously â€“ the superficial layers of skin next to the table, and the deep tissue next to the bony structure (e.g. lateral aspect of the femur) that the patient is ...

**Physics**

6. Within an x-ray tube, a metal disc (the anode) receives a huge amount of energy that is converted to internal energy (heat) within the anode. The surface temperature can easily reach 2000° C. Because the anode is within a vacuum and therefore there is no air around the ...

**physics**

Two long, straight, parallel wires 10 cm apart carry currents in opposite directions. (a) Use the right-hand source and force rules to determine whether the forces on the wires are (1) attractive or (2) repulsive. Show your reasoning. (b) If the wires carry equal currents of 3...

**marketing principals and information technolgy**

exam questions and answers

**math**

An object with mass m is attached to a string and the other end of the string is attached to a peg at the center of a level table. The object is set into uniform circular motion around the peg. The radius of the motion remains constant (the string does NOT wind up on the peg...

**Math**

12

**Stats**

ya i am working on it

**POL 201 American National Government**

#4 is D Bur Dem

**POL 201 American National Government**

I got 9 out of 10 right...don't know which one I got wrong tho

**POL 201 American National Government**

1) Presidents often seek to control the federal bureaucracy by doing all of the following except: a) filling the top echelon of executive organizations with political appointees who share their values. b) assigning members of the White House staff responsibility for monitoring...

**Chemistry**

A piece of wood found in an ancient city has a carbon-14 to carbon-12 ratio that is one-eighth the carbon-14 to carbon-12 ratio of a tree growing nearby. How old is the piece of wood? (The half-life of carbon-14 is 5,715 years.)

**Chemistry**

An artifact has a carbon-14 to carbon-12 ratio that is one-fourth the carbon-14 to carbon-12 ratio of a similar modern object. How old is the artifact? (The half-life of carbon-14 is 5,715 years.)

**eth/125**

Racial diffrences

**eth/125**

Ethnicity refers to a.racial differnces b.diffrences in physical and mental characteristics c.cultural diffrences d.citizenship

**American National Government**

2) d 3) a ???

**American National Government**

Thank you! What would you say 2 and 3 are?

**American National Government**

1) a 2) c 3) c 4) d 5) d Is that right?

**American National Government**

1-During a hearing, executive branch officials are asked to: a) report on what their agency or department has been doing. b) state their intentions for reelection. c) pass new legislation proposed by Congress. d) approve funding for upcoming programs. 2-The division of ...

**physics**

The drawing shows the top view of two doors. The doors are uniform and identical. Door A rotates about an axis through its left edge, and door B rotates about an axis through its center. The same force is applied perpendicular to each door at its right edge, and the force ...

**math**

1. Lisa is 15 years old and her father is 40. How many years ago was the father six times as old as Lisa? 2. Joel is one third the age of Bob. In 7 years the combined ages of the boys will be 58. How old is each boy now? 3. Tom is three times as old as Leigh Ann. In 7 years, ...

**Algebra**

1. Simplify the expression. ¡Ì625 2. Evaluate the expression for a = ¨C1 and b = 5. 5a ¨C 7

**alg 1**

2x − 2y − 5z + 2x + 2y + 3z

**statistics**

agte

**math**

1022.40

**math**

A home was valued at &73,500. It was insured for 80% of its value at a premium of &0.40 per $100. Find the yearly premium.

**trig, math**

A 175-pound force and a 230-pound force are acting on the same point in directions that differ by 42°. What is the angle that the resultant makes with the 175-pound force?

**trig, math**

Which of these functions has period 7? A)y= cot 7/pi x B)y= tan pi/7 x C)y= sin 7/pi x D)y= cos pi/7 x

**Discrete Math**

A special type of password consists of four different letters of the alphabet, where each letter is used only once. How many different possible passwords are there?

**Chemistry**

5542.68

**Excel**

I have my employee schedule in a excel sheet. It is a weekly schedule that doesn't change week by week, but changes day by day within a week. Every Monday, Tuesday, etc. is the same schedule. In the file are days for Monday, Tuesday, etc.. I don't know if this possible...

**English**

Can you please have a look at these questions I need to prepare for tomorrow? 1) Outline briefly the main features of English Romanticism. 2) Give a definition of primary and secondary imagination as given by Coleridge in his Treaty of Philosophy. 3) Which characteristics of ...

**trig, math**

In a right triangle with g the right angle, b = 86.5 and c = 125.8. What is β ?

**Java Programming**

I need to create a pseudocode for the follwing application: Write Java-like pseudocode to specify the logic for the following program application: Write an application that prompts an employee for an hourly pay rate and hours worked. Compute gross pay (hours times rate), ...

**English**

I still have a few questions to check. I really hope you can check them. Thank you! 1) Which metaphors does the poet use to address the urn in the first stanza? 2) How is the urn described? What figure of speech is used in line one and two “Heard melodies are sweet, but ...

**Government**

number 11

**English**

Can you please help me express the first two questions? I also need you to go through the other questions and tell me if they are grammatically correct. Thank you very much in advance. 1) What role does time play in the narrative technique of the interior monologue? 2) Which ...

**math**

A market research company surveyed 2500 teenage cell phone owners. The company learned that 4/5 of them use cell phone data services. How many teenagers surveyed use cell phone data services?

**Economics**

Calculate the total dollar amount paid for a house purchased for $200,000. The buyer paid $50,000 as down payment and the remaining $150,000 was obtained with a closed mortgage having a 25 year loan at 10% interest compounded semi-annually and a monthly payment period. Assume ...

**English**

These are the very last things. Thank you very, very much. 1) In Joyce’s story The Sisters Nannie brings a decanter of sherry and some wine-glasses and invites the protagonist to take a little glass of wine. 2) Briefly refer to the plot of Joyce's tale The Sisters? ...

**English**

I left out a few more questions. Thank you very much in advance. 1) How is Mrs Dalloway described at the beginning of the novel? What is Mrs Dalloway fond of? 2) Who is Septimus Warren Smith? Describe Septimus and his wife Lucretia's reactions to the bursting of the car&#...

**English**

Thank you very much. I just have one more question. I've written a paragraph on Wordsworth's life using the past. At the end I included the following sentence: The power of his imagination enabled him to communicate his knowledge, so that he becomes (not became) a ...

**English**

I urgently need someone from Jiskha to check if these questions are grammatically correct. Thank you very much in advance. 1) Can you briefly repeat the content of your history dissertation in English? 2) What is the first part of the poem "The Waste Land" devoted to...

**Differential Calculus (first part)**

if g(x) = cos2x find g(-x)

**Chem.**

I need a 64% solution of ammonium chloride. I have 99% ammonium chloride powder. How many grams of the NH4CL do i need to add to 500 ml of water to get the 64% solution?

**diffirential calculus**

express the surface of a right circular cylinder a function of its volume assuming the height is constant

**health**

What is an example of how adults can develop knowledge to attain goals if running is a goal:

**Math**

Consider a right circular cylinder whose total surface area (top, bottom, side) is 300 pi; what must its radius be in order that the volume be as large as possible

**grid problem (geometry)**

The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of the black squares are removed from the board. The expected number of white squares that have no neighbours after this process can be expressed as...

**Physics :(( help please**

You and a friend are going to ride on a Ferris wheel. For a little extra fun, when your friend is at the very top of the Ferris wheel she's going to drop a tennis ball. How far around the Ferris wheel in radians from your friend should you sit so you can catch the ball? ...

**Calculus**

I hate my life.

**English**

Thank you very much, Ms Sue. I left out a few other sentences. Could you please check them, too? I need them for tomorrow. 1) Numerous militants also chained themselves to railings and hit and spit at policemen. In 1911 the protests slowly became more violent. 2) Women smashed...

**English**

I have reduced my paragraphs to a few sentences. Please, let me know if it is OK. 1) In point of fact, the suffragettes had to face old stereotypes: the press ridiculed them, people treated them with indifference and hostility and the police attacked them both physically and ...

**English**

I need to prepare a short summary on the feminist movement for tomorrow. Can someone check it, please? Thank you very much in advance. 1) In October 1903, Emmeline Pankhurst founded the Women's Social and Political Union (WSPU) – a militant organization campaigning ...

**Trig**

I got 263.

**Trig**

The angle of elevation from a point on the ground to the top of a tower is 37deg5'. The angle of elevation from a point 120 feet farther back from the tower is 29deg5'. Find the height of the tower (to the nearest foot).

**English**

Can someone have a look at this short paragraph on Vincent Van Gogh? Thank you very much in advance. 1) Vincent was one of the leading exponents of the Neo-impressionism. He had a complex personality and could never find peace within himself. 2) He tended to isolate himself ...

**Physics (Tricky)**

Thanks for all the answer, also now that you put it that way Steve, it makes a lot more sense ! thank you for your time !!

**Physics (Tricky)**

i'm stuck on these question for ages now, help!!

**Physics (Tricky)**

If the length of a conductor is doubled, the resistance will be ___ the original resistance. A. less than - i think its A? B. equal to C. half D. twice A resistor most suited to dissipating high power levels would be: A. Thick film resistor - i think it's A? B. Wire wound ...

**Physics**

Find the Time Constant for a 50 k resistor in a series with a 60 uF capacitor connected to a DC circuit. Also how long will it take for this capacitor to become charged?

**math**

Find the equations for all vertical asymptotes for the function. y = csc (5x) Is this the right answer x= k pi / 5.

**Trig**

Find the reference angle θ'. θ= -7pi/9

**Trig**

Find the area of a sector with the given central angle θ in a circle of radius r. θ = 90°, r = 6 cm

**math**

Find the measures of two angles, one positive and one negative, that are coterminal with the given angle. 7pi/3

**science**

which sample (salt,fertilizer and sulfuric acid) will have the most algae growth? and why ? which sample (salt,fertilizer and sulfuric acid)will have the most living organisms ? and why?

**Math**

Find the median and the mean for the data set below. 5.4 2.0 6.8 3.1 2.9 4.7 2.1 5.0 1.9 3.4

**science**

which sample (salt,fertilizer and sulfuric acid) will have the most algae growth? and why ? which sample (salt,fertilizer and sulfuric acid)will have the most living organisms ? and why?

**English**

Can someone check these sentences I need to prepare on our local wines? Thank you very much in advance! 1) The are two schools of thought about barrel ageing which can be grouped in traditionalists and modernists. 2) Traditionalists support the idea that the wine should be ...

**Maths**

We have 15 points {Ai} placed within the unit sphere. What is the maximum possible value of ∑1≤i<j≤15 ∣∣AiAj∣∣^2? Details and assumptions Each of the points Ai=(xi,yi,zi)∈R ^3 satisfy xi^2+yi^2+zi^2 ≤1.

**heeeeeeeeeeeelp physics vrey tough**

please sir answer

**English**

Can someone check if these sentences are grammatically correct? Thank you very much in advance. 1) I never have my cat washed. I wash it myself. 2) I take my cat to the vet once a year to have it examined. 3) The teacher told his students to open their books at page 30. 4) The...

**English**

Can someone check if these sentences are grammatically correct? Thank you very much in advance. 1) I never have my cat washed. I wash it myself. 2) I take my cat to the vet once a year to have it examined. 3) The teacher told his students to open their books at page 30. 4) The...

**Math**

its wrong

**accounting**

20000

**Math**

Express the answer in degrees-minutes-seconds format. 5(29deg 36' 30")

**math**

$35.98 is accurate

**Math**

In triangle ABC, points D,E,F are on sides BC,CA,AB respectively such that AD,BE,CF are angle bisectors of triangle ABC. The lines AD,BE,CF are concurrent at I, the incenter of triangle ABC. If ∠BAC=92∘, what is the measure (in degrees) of ∠EIF?

**math**

A large cube is made up of 27 small cubes. Each of the six faces of the large cube has 9 small squares. Each small square has an area of 144 square millimeters. What is the length of each side of the large cube?

**chem ! help its killing me to :/**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume...

**Chemistry**

Do the properties of a newly formed chemical compound tend to differ from or be the same as the properties of the individual elements that compose it?

**math**

The probability of an event is 20%. how many times should you expect the event to occur in the given number of trials? 1.15 trials 2. 40 trials 3. 75 trials 4. 120 trials

**physics**

A tennis ball with a speed of 12.5 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 11.4 m/s. If the ball is in contact with the wall for 0.0139 s, what is the average acceleration of the ball while it ...

**physics**

An automobile and train move together along parallel paths at 20.3 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 19.4 s, then accelerates back to a speed of 20.3 m/s at a rate of 1.95...

**English**

I urgently need someone to check this summary of O. Wilde's The nightingale and the rose. Thank you very much in advance. 1) Oscar Wilde's work titled "The Nightingale and the Rose" is a fairytale. Wilde begins the fairytale with a central character who is a ...

**Math**

ABCD is a parallelogram. E is a point on DC extended, such that D and E are on opposite sides of BC. Let AE intersect BC and BD at F and G, respectively. If AG=180 and FG=108, what is EF?

**math:vertex,axis of symmetry,min/max,**

How do i find the vertex,axis of symmetry,min/max value? a) x^2-9x+y+20 b) f(x)=-5/4x^2+5/28x-5/114 c) f(x)=5x^2+x+4

**Quadratic equations from standard to factored**

Standard to factored form? a)y=x^2+7x+10 b)y=2x^2-x-3 c)y=x^2-9

**Film**

Which of the following is true of the screenwriter’s role in making movies? (Points : 1) A film begins with a writer’s story Film is generally considered a writer’s medium The writer is more important than the rest of the cast and crew Writing scripts is an ...

**math**

120

**math**

SE=9.5 chance=30%

**math**

1.50% 2.82%

**math**

a boy walks 2 miles east from his home ans then turns south and walks an additional 1.5 mile. how far is he from his home?

**math**

a boy walks 2 miles east from his home ans then turns south and walks an additional 1.5 mile. how far is he from his home?

**math**

the height of a soccer goal is 0.5 feet more than one third of its width. if the area of this goal is 117ft^2, find the width of the goal

**math**

What is 1250 divided by 23???

**Multiplication**

what is 1250* 2987??