Tuesday

February 21, 2017
Total # Posts: 8,243

**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, ...

*July 14, 2013*

**Algebra**

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

*July 11, 2013*

**alg 1**

2x − 2y − 5z + 2x + 2y + 3z

*July 10, 2013*

**statistics**

agte

*July 9, 2013*

**math**

1022.40

*July 6, 2013*

**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.

*July 6, 2013*

**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?

*July 3, 2013*

**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

*July 1, 2013*

**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?

*June 30, 2013*

**Chemistry**

5542.68

*June 29, 2013*

**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...

*June 28, 2013*

**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 ...

*June 27, 2013*

**trig, math**

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

*June 27, 2013*

**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), ...

*June 27, 2013*

**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 ...

*June 26, 2013*

**Government**

number 11

*June 26, 2013*

**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 ...

*June 26, 2013*

**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?

*June 25, 2013*

**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 ...

*June 24, 2013*

**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? ...

*June 23, 2013*

**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&#...

*June 23, 2013*

**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 ...

*June 23, 2013*

**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...

*June 23, 2013*

**Differential Calculus (first part)**

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

*June 20, 2013*

**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?

*June 20, 2013*

**diffirential calculus**

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

*June 20, 2013*

**health**

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

*June 17, 2013*

**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

*June 15, 2013*

**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...

*June 15, 2013*

**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? ...

*June 14, 2013*

**Calculus**

I hate my life.

*June 13, 2013*

**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...

*June 11, 2013*

**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 ...

*June 11, 2013*

**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 ...

*June 11, 2013*

**Trig**

I got 263.

*June 10, 2013*

**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).

*June 10, 2013*

**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 ...

*June 10, 2013*

**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 !!

*June 10, 2013*

**Physics (Tricky)**

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

*June 10, 2013*

**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 ...

*June 10, 2013*

**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?

*June 10, 2013*

**math**

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

*June 8, 2013*

**Trig**

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

*June 8, 2013*

**Trig**

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

*June 8, 2013*

**math**

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

*June 8, 2013*

**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?

*June 8, 2013*

**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

*June 8, 2013*

**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?

*June 7, 2013*

**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 ...

*June 6, 2013*

**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.

*June 6, 2013*

**heeeeeeeeeeeelp physics vrey tough**

please sir answer

*June 4, 2013*

**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...

*June 4, 2013*

**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...

*June 4, 2013*

**Math**

its wrong

*June 4, 2013*

**accounting**

20000

*June 3, 2013*

**Math**

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

*June 3, 2013*

**math**

$35.98 is accurate

*May 30, 2013*

**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?

*May 27, 2013*

**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?

*May 23, 2013*

**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...

*May 23, 2013*

**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?

*May 21, 2013*

**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

*May 20, 2013*

**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 ...

*May 20, 2013*

**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...

*May 20, 2013*

**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 ...

*May 20, 2013*

**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?

*May 20, 2013*

**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

*May 19, 2013*

**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

*May 19, 2013*

**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 ...

*May 19, 2013*

**math**

120

*May 19, 2013*

**math**

SE=9.5 chance=30%

*May 19, 2013*

**math**

1.50% 2.82%

*May 19, 2013*

**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?

*May 19, 2013*

**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?

*May 19, 2013*

**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

*May 19, 2013*

**math**

What is 1250 divided by 23???

*May 18, 2013*

**Multiplication**

what is 1250* 2987??

*May 18, 2013*

**statistics**

A)red, red, blue, blue, green, green 1, 1, 0, 0, 0, 0 1, 1, -1, -1, 0, 0 B)red, red, blue, blue, green, green red, red, blue, blue, 0, 0 1, 1, -1, -1, 0, 0 C)0 D)7.303

*May 18, 2013*

**physics**

A human cannonball is launched from a cannon at 26.4 m/s at 20.4 degrees above the horizontal. (Assume he/she lands in a net the same height as the cannon.) How high in the air does he/she go?

*May 16, 2013*

**math**

A baker measured the length of different loaves of bread. The interquartile range of a data set was 12 inches. Which statement is also true for the data set?

*May 16, 2013*

**Geometry**

Let S be the set of {(1,1),(1,−1),(−1,1)} -lattice path which begin at (1,1) , do not use the same vertex twice, and never touch either the x -axis or the y -axis. Determine the largest value of n such that every path in S which ends at (n,n) has length at most ...

*May 16, 2013*

**Geometry**

Let A be a convex 61− gon. We then place n points {x i} n i=1 in the interior of A . What is the minimum number n , such that the interior of any triangle, whose vertices are also vertices of A , will contain at least one of the points xi?

*May 16, 2013*

**Physics**

A frog is jumping around its pond. At some time t , the frog is in mid-jump and has a kinetic energy of 1 J and a momentum of magnitude 0.5 kg⋅m/s . What is the mass of the frog in kg?

*May 15, 2013*

**chemistry**

a balloon has a volume of 456 mL at a pressure of 1.0 atm. it is taken under water in a submarine to depth. where the air pressure in the submarine is 3.3 atm. what is the volume of the balloon? assume constant temperature?

*May 15, 2013*

**math**

1. change to improper fraction: 9 5/9 2. change to improper fraction: 6 23/39 3. change the improper fraction to a whole number:115/20 4. multiply 4 3/4 x 1 1/7 5,subtract- 20 11/15- 17 1/3 6 2(-6)(-8)(0)(-5): multiply 7. solve for the variable: 0.1p=7

*May 14, 2013*

**Geaometry (Graph)**

16

*May 13, 2013*

**math**

how do i change 9 5/9 to an improper fraction

*May 13, 2013*

**physics**

Name of physics book for 11 and 12.to catch engineering exam and other competetive exam

*May 13, 2013*

**science**

A form of energy that is always transferred from a warmer substance to a cooler one.

*May 12, 2013*

**Philosophy**

Since Jessica’s participation in local politics increased significantly after she joined her school’s political science club, it is clear that her involvement in that club led her to take an interest in politics. The argument above is flawed because

*May 12, 2013*

**math**

write as an equivalent decimal or a decimal approximation. 4 12/19

*May 12, 2013*

**pre alg**

if the slope of a line is 8/4, do we simplify it to 2? or does it stay at 8/4?

*May 9, 2013*

**pre alg**

16.5 ft tall thank u

*May 9, 2013*

**pre alg**

jane is standing next to a tree. the tree casts a shadow that is 11.2 ft long. she is 5.6 ft tall and her shadow measures 3.8 ft. How tall is the tree?

*May 9, 2013*

**pre alg**

thank u

*May 9, 2013*

**pre alg**

a 9 ft ladder is leaning against a wall so that Adam can hang a picture 7.5 ft above the floor. how far does the ladder need to be placed from the wall?

*May 9, 2013*

**Physics**

In a series AC circuit, R=20(ohms), Xl=10(ohms), and Xc=25(ohms), where the frequency is 400 Hz. Find the resonant frequency of the circuit.

*May 6, 2013*

**maths**

7^4=2401, that's the answer

*May 6, 2013*

**Math (algebra)**

The answer is 439

*May 6, 2013*

**chemistry**

DrBob222 i need the solution of this numerical problem step by step please

*May 5, 2013*