Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 2,965

**american history (civil war)**

what was the trent affair and how was it settled?

**algebra**

there are 100 coins. ten are dimes. the rest are pennies and nickles. there are twice as many pennies as nickles. how many pennies and nickles are in the jar?

**Accounts**

On a worksheet, the adjusted balance of the Depreciation Expense account is extended to the __________ column. (Points: 5) Income Statement Debit Income Statement Credit Balance Sheet Debit Balance Sheet Credit I dnt understand what is meant by this any help please?

**Accounts**

hello anybody somebody???

**Accounts**

The Net Income amount from the Income Statement is used as a line item on which statement? (Points: 5) Profit and loss statement Statement of owner's equity Balance sheet Trial balance help please not sure what is meant by line item

**english**

Early in her life, Maude Gonne became a radical socialist and activist. what sentence pattern is this ?

**Math **

yes mx + B

**Math **

How do you get : x=1/3y+2 in the y=mxtb form ?

**Precalculus**

cos2x=cos(x+x)=

**Chemistry**

which substance takes the shape of and fills the volume of any container into which it is placed ? (1)H2O (l) (2)CO2(g) (3)I2(s) (4)Hg(l)

**Science**

thanks :)

**Science**

What occurs when a substance melts? 1) It changes from solid to liquid, and heat is absorbed. 2) It changes from solid to liquid, and heat is released. 3) It changes from liquid to solid, and heat is absorbed. 4) It changes from liquid to solid, and heat is released.

**math**

To which sets of numbers does the square root of 31 belog too

**psychology**

briefly describe the developmental needs (physical,cognitive,social,emotional,cultural) at each stage of development over the lifespan

**renting an apartment better option than buying a h**

outline

**Intro to Business**

The U.S. Supreme Court ruled that cities could have school voucher programs that give money directly to parents, who could then choose between competing schools, public or private. The idea was to create competition among schools. Like businesses, schools were expected to impr...

**english**

too funny. to comes before a verb or noun, and too comes before adjectives

**chemistry**

Determine how many liters of nitrogen will be required to produce 87.0 liters of ammonia. The balanced equation for this reaction is: 3H2(g) + N2(g) ==> 2NH3(g).

**Algebra**

standard form is y=mx+b so you would have to distribute 4 into x+5 then add 2 to both sides to get the equation equal to y.

**ipc**

Since Kinetic energy is defined as (1/2)mv^2 thus if v was doubled the kinetic energy would quadruple (2^2).

**Statistics**

Suppose a study found a correlation coefficient r = -0.61 between the gender of a worker and their income. What can you conclude?

**microeconomics**

how do i figure out how to answer the question of what is the opportunity cost of producing 200 pounds of potatoes?

**derivatives**

If the derivative of f is given by f'(x)=ex-3x2, at which of the following values of x does f have a relative maximum value?

**chemistry**

рассчитайте константу равновесия реакции РС...

**chemistry**

What mass of water, in grams, would have to be decomposed to produce 28.7 L of molecular oxygen at STP?

**Phsyics**

the end velocity is 4m/s

**Phsyics**

A 44.0kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75m higher than the surface of the water and the ramp is inclined at an angle of 35.0 degrees above the horizontal. What is the coefficient of kinetic friction between...

**phsyics**

A young girl sits at the edge of a dock by the bay, dipping her feet in the water. At the instant shown in the figure , she holds her lower leg stationary with her quadriceps muscle at an angle of 39 degree with respect to the horizontal. Use the information given in the figur...

**phsyics**

A 8.0×10−2-{\rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.30 m/s in a horizontal circle of radius 0.41 m, Find the angle the string makes with the vertical.

**Physics**

A 44.0 kgseal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75 m higher than the surface of the water and the ramp is inclined at an angle of 35. degrees above the horizontal. If the seal reaches the water with a speed of 4.00 ...

**Math**

A nanometer is a unit equal to 0.000000001 meter. Write a expression to represents this number is scientific notation

**Math**

A pizza parlor has 2 1/2 pizzas left. Each pizza originally has 8 slices. How many slices are left?

**calculus**

x^2+3xy+2y^2=7

**Math**

The glass in a frame has an area of 91 m sqaurd. If the window length is 14 m, what is the window height?

**math**

how do you get back from 81/1 to 16/1

**math**

rudy went to the mall to spend some of his money he earned. he spent 1/3 of his money o n a new shirt. He then went to to the music store and bought a cd with 1/3 he had left. At dvds to go he bought a dvd with 1/3 of the money he had left. He stopped once more and bought a bo...

**chemistry HELP!**

The book says to use ICE

**chemistry HELP!**

Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a solution that is 0.170 M in HC2H3O2 and 0.105 M in KC2H3O2

**chemistry **

Predict qualitatively whether the salts below dissolve to give solutions that are acidic, basic or neutral. what is the rule for figuring this out? a. KNO2 - basic b. Ng(NO3)2 - neutral c. NH4ClO2 - acidic d. NaHCO3 - basic

**Chemistry**

Calculate the pH of a solution at the endpoint of a titration involving 25.00 mL of CH3COOH at unknown concentration, and 21.40 mL of 0.100 M NaOH

**Chemistry! **

1. not sure where to find Kb as listed as 1.8E^-5? so is it 1.8E^-5= (NH4+)(NH3)/0.1-X (9.25)(4.75)/0.1-X = 439.375-X and how to I convert this to pOH and then to pH?

**Chemistry!! **

So is Ka water H2o? not sure where you got 7.20 in my chart 7.2 goes with H2PO4^- there is nothing for (H3O+) but I got 4.69 for CN- and 9.31 for HCN I am so lost...

**Chemistry**

Can the 5% approximation be used to determine the pH of the following solutions? How do I do this question? (A) 0.56 M hypochlorous acid - yes (B) 3.00 M nitrous acid - yes (C) 0.010 formic acid - no

**CHEMISTRY TITRATION Q**

because at end point the solution is neutral, so the # of moles are the same? No ...so what do I do differently??

**CHEMISTRY TITRATION Q**

The titration of 25.00mL of Ba(OH)2 solution with an aqueous solution of 0.500 M HCl reaches an end point when 30.20 mL of the HCl solution is added. Determine the concentration of M of the Ba(OH)2 solution. Soo 25.00mL=0.025L 30.20mL= 0.0302L moles= MxL (0.500M)(0.0302L)=0.53...

**math**

find the value of both percentages out of 100 and then add them together along with the $6.80

**college maths**

i was thinking abot 154.7 bt was not so sre and i did know it had to be less bt i didnt want to assme i wanted to know how i came up with the answer

**college maths**

One and one-half cups of native blueberries have 232 calories. How many calories does one cup of native blueberries have? (Points: 5) 233.5 calories per cup 232 calories per cup 154.7 calories per cup 0.006 Calories per cup Not sre how to calclate this one can i get some help ...

**Science**

I'm confused..What is the significance of a 1-1 line in regards to density?

**college maths**

81/800

**college maths**

some help wold really be appreciated please?

**college maths**

Write as a reduced fraction. 10 1/8% not sre how to work this one please help. 4/5 81/100 1/10 81/800

**english/grammer/manners**

Do you think us students should have to use yes or yes ma'am when answering teachers/ What do ya'pp prefer? And if so is there a comma between the words yes and ma'am/

**math**

which set is infinite? P = {positive numbers less than 60} Q = {whole numbers between 10 and 20} R = {intergers ge=reater than 18} S = {even numbers between 5 and 15}

**college maths**

subtract. 10 3/5-2 10/11= 8 38/55 7 743/55 7 38/55 Is D correct??

**college maths**

Simplify 5+1/3 1/3 1/3 {1/9+1/9} 4 1787/2187 4 1792/2187 4 1784/2187 4 22/27 Is D the best choice not sre for this one

**college maths**

wooooohooooooooo!!!!! thanks so mch

**college maths**

Translate and solve. A number n increased by 1/4 gives 1/9. Find n. (Points: 5) n=1/9 n= -5/36 n=1/36 n=1/18 is it B

**college maths**

thanks very much i now have a better understanding

**college maths**

Find the LCD and add the fractions. 1/125 + 4/50= 11/24 1/1250 1/35 551/6250 (Points: 5) im not getting the concept of this some help is really needed please

**chemistry**

10.2 g of Pb(NO3)2 are dissolved in 100 mL of water, and added to 250.0 mL of a 0.250 M solution of KI. Determine the mass in grams of Pbl2 produced, and find the number of moles of the excess reagent. PLZ explain

**chemistry**

Determine the molarity of nitrate ions in a solution prepared by mixing 25.0 mL of 0.50 M Fe(NO3)3 and 35.0 mL of 1.00 M Mg(NO3)2 Please explain fully do not know where to start?

**college maths**

??? any help

**college maths**

Ann and Grace mow the yard for $38 each mowing. During one summer they mowed 2 times and spent a total of $10 on gas. The girls split their earnings. How much did each girl receive? (Points: 5) $33 $38 $66 $76 this one is confusing its either C or D bt depends....Are they taki...

**college maths**

no help??

**college maths**

its not allowing me to pt the square roots in......its someting like this 10X3X5 square root respectively 0, 3, 2

**college maths**

Write as a product of factors; then find the product. (Points: 5) 0 90 675 150 I think the answer is C but im confuse any other opinions please?

**math**

i dont know

**math**

A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?

**math 104**

if a bussiness borrows $20,000 and repays $29,5000 in 5 years ,what is the simple interest rate?

**Math**

Fill in the blank so that the given statement is true. The median is 77 65,68,78,82,89,__

**Math**

Fill in the blank so that the given statement is true. The median is 77 65,68,78,82,89,__

**Math**

So false?

**Math**

A rectangular flowerpot is 20 inches long 8 inches wide and 6 inches high. true or false if andy fills the flowerpot 2/3 fullof potting soil the expression 2/3(20 + 8 + 6) could be used to find the amount of potting soil he needed

**Exponents**

GRE question - What is greater z or 60? z is the degrees of a one of the congruent sidesAn isoceles triangle

**Business Communications**

The interviewer wants to know why you got a "D" in all your English classes until this year, when you got a "B." Your best response is: (Points: 5) “I had problems writing and never thought it was important. Then, I realized that it is important, so I ...

**Business Communications**

Choose the best revision of this sentence: "I want an interview with you." (Points: 5) I anxiously await a phone call from you so that we can meet to discuss job opportunities. I can't wait to hear from you. Any time at all that you want to call and have me for a...

**Business Communications**

thank you sooo much

**Business Communications**

Which of the following is the BEST advice for increasing the number of "hits" on a scannable résumé? (Points: 5) Avoid jargon of any sort. Use a Keywords section under your name, address, and phone. Use more verbs than nouns. Use only one page. I think ...

**geology**

if the air temperature @ sea level were 23 C what would the air temperature be at a height of 2 km under avg conditions?

**Business Communications**

thank you very much really appreciate it this forum is a big help to me

**Business Communications**

Unsuccessful groups are more likely than successful groups to: (Points: 5) pay close attention to how something is said. rationalize criticism. deal directly with conflicts that emerge. make important decisions together. im not understanding this question...bt i suppose B is ...

**Business Communications**

In response to a compliment on his excellent oral presentation, a Japanese business executive replies, "No, it wasn't very good." Which of the following is the MOST likely explanation for this response? (Points: 5) He thought the person giving the compliment was ...

**Math209**

I am not understanding how to factor polynomials. Example: Factor 12y^6-40y^5+28y^4

**Chemistry**

2. Which bond is polar covalent? a) H2 b) Cl2 c) HCl d) O2

**MATH**

HOW MANY DIFFERENT WAYS COULD THE FOOTBALL TEAM SCORE 11 POINTS

**Macro economics**

if your agency hire a consultant to develop new software programs to lease at a constant cost of $ 1000 per year. the consultant say you can save $ 200 per year for every computer you purchase but you will be charged $ 100 for each harddrive you purchase . how many programs s...

**physics**

For B, the magnitude is simply the absolute value of what you got in part A.

**chemistry**

In propanol, cholesterol is 2.7 times more soluble at 43°C than at 20°C. If a saturated propanol solution is prepared at 43°C , what proportion of the cholesterol will crystallize upon cooling to 20°C?

**math**

how do i solve 8 times 493 using distributive property. then draw an array showing work

**8th grade**

Tom had scores of 78, 88, 94 and 79 on his first four science tests. What must he score on the next test to have an average of 88?

**economic**

Does diminishing marginal utility or indifference curve works for consumers? which of these concept works

**Chemistry**

write the formula for the following chemical compounds 1.Sodium sulfide 2.sulfur hexaflouride 3.Ammonium sulfate

**College Algebra**

Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the polyno...

**science**

lol

**Statistics**

The X2 goodness of fit can be used for both qualitative and quantitative data Is this true or false?

**vocabulary skills**

The correct answer is number 4. 100% sure that is correct answer.

**physics**

a football is kicked 40 meters. if the ball is in the air for four seconds what is the intial speed it was kicked

**physics**

a 1 kg dart moving horizntally at 10 m/s sticks to a wood block of mass 9 kg which slides across a friction free level surface. what is the speed of the block and dart after collision?

**probability**

1. A large video rental chain recently decided to change its rental policy, allowing an unlimited return date instead of requiring that movies be returned the next day. The marketing team reasoned that this would greatly increase the popularity of their stores, and also that 8...

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