Saturday

May 23, 2015

May 23, 2015

**Algebra 1 thx**

Antonia is saving for a video game. On the first day, she saves two dollars in her piggy bank. Each day after that, she doubles the number of dollars she saved on the previous day. How many dollars does she save on the sixth day?
*Monday, December 15, 2014 at 7:23pm*

**chemistry **

In the Bohr model, which is the lowest energy state available for an electron? A. nth B. excited state C. first state D. ground state Im thinking the answer is c or d.
*Monday, December 15, 2014 at 6:16pm*

**Math**

Mary's parents decide to give her an allowance every Saturday. The first Saturday they give her .01 cent. For each successive week they double the amount given the previous week. If Mary saves her allowance, in how many weeks will she be a millionaire?
*Monday, December 15, 2014 at 5:32pm*

**Policing**

During what decade were the precepts and designs of new-generation jails first introduced and adopted? a. the 1960s b. the 1970s c. the 1980s d. the 1990s is it B
*Monday, December 15, 2014 at 4:13pm*

**Math HELP!**

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first or second derivative test to test the critical points. How many relative maxima did you find? 0 1 2 <--- 3 4
*Monday, December 15, 2014 at 3:04pm*

**Math**

Natalia constructed a right triangle with two side lengths measuring 3 and 5 units. She constructed a second right triangle similar to the first one, with the two corresponding sides measuring 5.1 and x units in length, respectively. What is the missing length, x, of the ...
*Monday, December 15, 2014 at 1:41pm*

**Math **

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their sums are ...
*Monday, December 15, 2014 at 12:57pm*

**language arts**

Which of the following sentences from the novel johnny remain (chapter 5) provides evidence that Rab is having a positive effect on Johnny? A. he liked to make a handsome entrance. Even if he and Goblin had dawdled a bit on country roads, they both liked arriving at the inns ...
*Monday, December 15, 2014 at 11:33am*

**Biology**

Explain what happens at the first checkpoint If GO is prevented from occuring. Answer: these cells can be called back from the G0 phase to the cell cycle by external cues
*Sunday, December 14, 2014 at 11:22pm*

**Calculus **

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at x = 1
*Sunday, December 14, 2014 at 9:47pm*

**Math **

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their sums are ...
*Sunday, December 14, 2014 at 8:04pm*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? Is the answer 0.0932ft/s? I don't see that it is ...
*Sunday, December 14, 2014 at 7:39pm*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from third base increasing...
*Sunday, December 14, 2014 at 6:16pm*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from third base increasing...
*Sunday, December 14, 2014 at 5:50pm*

**Cal**

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at x = 1. Which of the following describes what you found?
*Sunday, December 14, 2014 at 4:41pm*

**calc urgent**

let P be the portion of the disk x^2 + y^2 <= 1, lying in the first quadrant. having mass density of p=x, if the mass of P is 1/3 , find the y coordinate of the center of mass of P. the answer is 3/8
*Sunday, December 14, 2014 at 4:24pm*

**Algebra**

To solve 9x^2-12x+4=49 by using the Square Root Property, you would first rewrite the equation was as A. 9x^2-12x-45=0 B.(3x-2)^2=+/-49 C.(3x-2)^2=7 D.(3x^2)^2=49
*Saturday, December 13, 2014 at 9:01pm*

**Algebra **

The fifth term of an arithmetic sequence is 11. If the difference between two consecutive terms is 1, what is the product of the first two terms?
*Saturday, December 13, 2014 at 3:32pm*

**math**

a vector parallel to the line of intersection of the planes. x-2y-z=6 and 3x-y+z=4 the answer is <3,4,-5> so first, I took the cross product of <1,-2,-1> and <3,-1,1> which I think is v. in the equation p0 + tv. << this is the equation for the line of ...
*Saturday, December 13, 2014 at 12:16pm*

**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?
*Saturday, December 13, 2014 at 12:05pm*

**History**

Word Box : Declaration of Independence US Constitution articles of confederation Federalist Papers Bill of Rights Washingtons Farewell Address, Albany Plan of Union, Olive Branch Petition 1.americas first government,weak, consisted of only legislative branch created during ...
*Saturday, December 13, 2014 at 11:52am*

**History**

Word box : Mercantilism Religious Freedom Magna Carta English Bill of Rights Mayflower Compact Fundamental Orders of Conneticut Virginia House of Burgesses Navigation Acts 1. 1689 law that reinforced the idea of no taxation without representation and the right to petition the ...
*Saturday, December 13, 2014 at 11:46am*

**Math**

A basketball player received a contract from the New York Knicks in which he was offered $5 million a year for ten years. Determine the present value of the contract on the date of the first payment if the interest rate is 3 % per year, compounded continuously. Round your ...
*Friday, December 12, 2014 at 9:42pm*

**Math**

A basketball player received a contract from the New York Knicks in which he was offered $5 million a year for ten years. Determine the present value of the contract on the date of the first payment if the interest rate is 3 % per year, compounded continuously. Round your ...
*Friday, December 12, 2014 at 7:12pm*

**calculous (check)**

If air resistance is neglected, a falling object travels 13 ft during the first second, 39 ft during the next, 65 ft during the next, and so on. These distances form the arithmetic sequence 13, 39, 65, ... .In this sequence, a(subscript)1 = 13 d equals 26. Find a formula for f...
*Friday, December 12, 2014 at 6:00pm*

**In**

ABC Company – Training Program ABC Company has 50,000 employees in its headquarters. The company wants to increase employee productivity by setting up an internal software applications training program for its employees. The training program will teach employees how to ...
*Friday, December 12, 2014 at 5:11am*

**Sequences**

An arithmetic sequence has first term of 6 and difference of 8; what is the tenth term? a10(subscript 10) = ?
*Friday, December 12, 2014 at 12:46am*

**Math**

When Curtis was born, his parents began depositing $1000 at the end of every year into an annuity to save for his college education. If the account paid 7% compounded annually for the first 10 years and then dropped to 5% for the next eight years, how much is the account worth...
*Thursday, December 11, 2014 at 8:32pm*

**4th**

to win $1 millon you must draw two cards whose sum is 9 from a stack of cards numberd 1 through 10 . after the first draw you replace the card and shuffle the stack again for the second draw. what is the chance that your two cards will have a sum of 9
*Thursday, December 11, 2014 at 8:27pm*

**h**

When you received the results of an evaluation of your classroom ,which of following should ask yourself first? A.what did the children do wrong? B.what did I do ineffective ? C.what does date mean? D.what changes can I make right away?
*Thursday, December 11, 2014 at 8:01pm*

**vy? in Physics**

During what time interval does vy become zero? So I can't really understand what vy means, I know its a abbreviation but I need help on this problem that has a cannon shooting a cannonball horizontally and it has 3 points; the first being 1s, then 2s, then 3s which is when...
*Thursday, December 11, 2014 at 7:51pm*

**algebra**

A bus was purchased for $70,000, assuming the bus depreciates at a rate of $6,000 per year(straight line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 < t < 10
*Thursday, December 11, 2014 at 7:29pm*

**Math**

A soccer team won two of its first twelve games.The team ended the season winning exactly half of the games it played.What is the fewest number of games the team could have played
*Thursday, December 11, 2014 at 5:07pm*

**Chemistry, Vapor Pressure**

Select the pair of substances in which the one with the higher vapor pressure at a given temperature is listed first. 1. C7H16, C5H12 2. CCl4, CBr4 3. H2O, H2S 4. CH3CH2OH, CH3-O-CH3 5. Xe, Kr
*Thursday, December 11, 2014 at 4:29pm*

**Literature**

I need some help with some literature questions based on this passage: From the winter of 1821, . . . I had what might truly be called an object in life; to be a reformer of the world. My conception of my own happiness was entirely identified with this object. The personal ...
*Thursday, December 11, 2014 at 2:03pm*

**IMPROVING WRITING**

Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
*Wednesday, December 10, 2014 at 9:38pm*

**Urgent chemistry help**

is there anything unusual about how the first elements are named when naming the compound? Is there anything unusual about how the second element is named when naming the compound? Why are the elements in the binary compounds combined in different ratios ( as shown by the ...
*Wednesday, December 10, 2014 at 7:39pm*

**Math**

Find the critical points and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to each critical point f(x)= (7/4)x^4+(28/3)x^3+(-63/2)x^2-252x critical points in increasing order: c1=? min or max? c2=? min or max? c3=? ...
*Wednesday, December 10, 2014 at 6:37pm*

**Diagram sentence**

Sandy's throw to first base was short
*Wednesday, December 10, 2014 at 5:59pm*

**essay excerpt edit**

Can someone edit this My writing has exhibited creativity by introducing a new perspective of stereotypical conventions that resulted in increased cognition through “A Closer Look: Analyzing Tangled (2012) and Its Deeper Critique of "Rapunzel" (1812). Firstly, I...
*Wednesday, December 10, 2014 at 5:52pm*

**language arts**

which of the following sentences from Johnny Tremain provides evidence that ran is having a positive effect on Johnny? A he liked to make handsome entrance. Even if he had Goblin had dawdled a bit on country roads, they both liked arriving at the inns at a gallop B For the ...
*Wednesday, December 10, 2014 at 4:21pm*

**Math**

When Curtis was born, his parents began depositing $1000 at the end of every year into an annuity to save for his college education. If the account paid 7% compounded annually for the first 10 years and then dropped to 5% for the next eight years, how much is the account worth...
*Wednesday, December 10, 2014 at 3:18pm*

**Langue Art**

Which of the following passages from the novel could be used to suppoty the idea that Sam Adams was a rebel intent on war with England? A. "The first of the tea ships, the Dartmouth, is entering the harbor. She'll be at Castle Island by nightfall." B." Ah, ...
*Wednesday, December 10, 2014 at 3:05pm*

**Math**

Courtney and Kurtis are planning to travel 160 km in a car by travelling at x kilometres per hour for the first half of the distance, and then increasing their speed by 10 km/h to finish the distance. Which is the correct simplified expression for the total time of the trip? a...
*Wednesday, December 10, 2014 at 1:49pm*

**language arts**

Which type of person is Merchant Lyte from Johnny Tremain A kind and generous B crass and sloppy C devious and manipulative D intelligent and hardworking is it C Which lines from the novel best supports the answer to the previous question? "He's sly". When the ...
*Wednesday, December 10, 2014 at 1:39pm*

**language arts**

From which point of view are the sentences written from Johnny tremain? It was past dawn when he woke, his feeling of contentment still in him. He was no longer his own problem but Merchant Lyte's. Tomorrow at this time what would be calling him? 'Uncle Johnathan?'...
*Wednesday, December 10, 2014 at 12:55pm*

**language arts**

Which type of person is Merchant Lyte? A kind and generous B crass and sloppy C devious and manipulative D intelligent and hardworking Which lines from the novel best supports the answer to the previous question? A "He's sly" When merchants agreed not to import ...
*Wednesday, December 10, 2014 at 12:24pm*

**math**

Ivan is saving money to buy a computer with. He started with $225 in his savings account and the first week he added $75, the second week he added $200, the third week he unfortunately had to take out $50 and the fourth week he added $125. How much more money does he need to ...
*Wednesday, December 10, 2014 at 8:41am*

**Calculus**

A deposit of $5,000 at 4% interest compounded continuously will grow to V(t) = 5000e^0.04t dollars after t years. Find the average value during the first 20 years (that is, from time 0 to time 20). (Round your answer to the nearest cent.)
*Wednesday, December 10, 2014 at 6:18am*

**Physics**

Musicians can use beats to tune their instruments. One flute is properly tuned and plays the musical note A at exactly 440Hz. A second player sounds the same note and hears that her flute is slightly "flat" (that is, at too low of a frequency). Playing at the same ...
*Tuesday, December 9, 2014 at 10:21pm*

**Abnormal Psychology **

I need help diagnosis this case for my abnormal psychology review. Mr. B is a 20-year-old male college student who was recently arrested for possession of marijuana, which was detected when he was stopped for un¬safe driving. He was charged with driving while intoxicated ...
*Tuesday, December 9, 2014 at 9:26pm*

**Can you check my Math answer please?**

According to the first derivative test, a differentiable function must have a relative minimum between any two relative maxima. True.
*Tuesday, December 9, 2014 at 9:09pm*

**Derivative Test**

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first or second derivative test to test the critical points. How many relative maxima did you find? I got 2 as the relative maxima, is this done correctly?
*Tuesday, December 9, 2014 at 8:44pm*

**Geometry**

A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles?
*Tuesday, December 9, 2014 at 8:40pm*

**7th grade math**

Can you check these? 1. A recipe for chocolate pudding calls for 1 ¼ cups of milk. The recipe makes 3 servings. How many cups of milk are needed to make 9 servings? Ans: 1.25/3 = x/9 3x = 9*1.25 3x = 11.25 x = 11.25/3 x = 3.75 or 3 3/4 cups of milk 2. Two trees in Mrs. ...
*Tuesday, December 9, 2014 at 8:33pm*

**language arts**

which of the following passages from Johnny tremain identifies a key event in the plot? A. "I'll buy your unexpired time. I think between us we could make some fine things you and I." The boy flushed. To thin the great Paul Revere wanted him B His feet went out ...
*Tuesday, December 9, 2014 at 3:31pm*

**Sociology**

All of the following reasons cause a variance in divorce rates among segments of the population in the United States, except age of first marriage education race and ethnicity social class not sure
*Tuesday, December 9, 2014 at 12:23pm*

**Science Please help**

Some of the oldest rocks ever found have been estimated to be about 3.5 billion years old. Is it likely that these rocks were present when Earth was first formed? No, this rock is probably just a sedimentary rock that was formed by much younger igneous rocks. Yes, the oldest ...
*Tuesday, December 9, 2014 at 10:49am*

**PChem**

For the gas phase reaction 2NO2 + F2 ¨ 2NO2F, the rate constant is k= 38 dm3/mol-s at 27 oC. The reaction is first-order in NO2 and first-order in F2. A) Calculate the number of moles of NO2, F2, and NO2F after 10.0 s if 2.00 mol of NO2 is mixed with 3.00 mol of F2 ...
*Tuesday, December 9, 2014 at 8:52am*

**general physics**

An axle of a mass of 10 kg, length 10 cm and radius .1 m is free to rotate about the axis which runs the length of the axle, throuhh it's center. A chain of mass 4kg is fastened to the axle at one end, wound exactly 6 times around the axle, and a rock of mass 1.8 kg ...
*Tuesday, December 9, 2014 at 12:01am*

**Child Development **

Please Check my answers 1. A type of communication that isn't only about the present and that promotes higher level thinking such as planning and reminiscing is called A. child-child conversation. B. chanting. C. early production. D. decontextualized talk. ANSWER: A 2. ...
*Monday, December 8, 2014 at 10:20pm*

**Math**

(6/x^2+5x+6) + (9/x+3) express answer in reduced form What i attempted is to factor out the bottom half of the first fraction to 6/(x+2)(x+3) the second half i'm guessing would be to multiply each side by the x+3? making it a (6x+18/(x+2)(x+3)) + 9 or would i write it as 6...
*Monday, December 8, 2014 at 9:53pm*

**integer addition and subtraction**

I need help please help I'm behind and b and have a test about integer addition and subtraction The question:Tyler and Christina are playing a game in which each player either wins loses or draws,0 points are awarded.For the first eight rounds Tyler had the following ...
*Monday, December 8, 2014 at 6:34pm*

**english**

Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
*Monday, December 8, 2014 at 5:43pm*

**History**

4. Who Killed Alexander Hamilton in a duel in 1804? Aaron Burr? 5.Who broadened the Supreme Court's power A.John Adams B.Thomas Jefferson C.William Marbury D.John Marshall Answer : D 6. In Marbury v Madison (1803) the US Supreme Court established the A.Legality of slavery ...
*Monday, December 8, 2014 at 5:34pm*

**Math**

It took sandy two hours to jog 13 miles.she ran 7/12 miles in the first hour how far did she run during the second hour
*Monday, December 8, 2014 at 4:41pm*

**Linear Algebra**

A hospital performs 3 types of operations. The first type takes 30 minutes, and they charge $500 for it. The second type takes 1 hour, and they charge $750 for it. The third operation takes 2 hours, and they charge $1000 for it. The hospital can schedule up to 30 total ...
*Monday, December 8, 2014 at 2:05pm*

**physics**

Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 400 N, is applied at an angle α = 32° to the forward dashed line. The second force, F2 = 536 N, is applied at an angle β = 10° to the forward dashed line. (a...
*Monday, December 8, 2014 at 7:29am*

**English**

1. When you telephone from abroad, you should dial 096 first. 2. When you are telephone from abroad, you should dial 096 first. 3. Telephoning from abroad, you should dial 096 first. 4. Telephoned from abroad, you should dial 096 first. ------------------ Which ones are ...
*Monday, December 8, 2014 at 4:35am*

**problem solving**

A nine-digit number is formed using each of the digits 1,2,3,...,9 exactly once. For n = 1,2,3,...,9, n divides the first n digits of the number. Find the number.
*Monday, December 8, 2014 at 2:08am*

**math**

Compute Mary's estimated tax payment for the first quarter. She is self-employed and she expects to earn $61,440 this year. Her estimated income tax rate is 22%. For self-employed persons, social security tax is 12.4% of wages up to $106,800, and Medicare tax is 2.9% of ...
*Sunday, December 7, 2014 at 10:47pm*

**Algebra**

The table below shows the opening value of a stock on the first day of trading in various years. Write a 4th degree model for the data and use the model to estimate the value on the first day of trading in 2010. (1994,2814) (1996,3603) (1998,5429) (2000,3962) (2001,4117) (2004...
*Sunday, December 7, 2014 at 10:12pm*

**calculus**

First, the bond pays 96 + 7 t per year for 10 years. Second, the interest rate is 5.25% compounded continuously. Round your answer to the nearest cent. Find the present value?
*Sunday, December 7, 2014 at 10:11pm*

**Business Mathmatics **

Fandango Furniture Manufacturing, Inc., has 40 employees on the assembly line, each with gross earnings of $325 per week. a. What are the total social security and Medicare taxes that should be withheld from the employees' paychecks each week? Social security: $806 ...
*Sunday, December 7, 2014 at 9:45pm*

**accounting**

Amazon Appliance Company has three installers. Larry earns $355 per week, Curly earns $460 per week, and Moe earns $585 per week. The company's SUTA rate is 5.4%, and the FUTA rate is 6.2% minus the SUTA. As usual, these taxes are paid on the first $7,000 of each employee...
*Sunday, December 7, 2014 at 9:42pm*

**math**

Two trains are on the same track a distance 100 km apart heading towards one another, each at a speed of 50 km/h. A fly starting out at the front of one train, flies towards the other at a speed of 75 km/h. Upon reaching the other train, the fly turns around and continues ...
*Sunday, December 7, 2014 at 9:00pm*

**Algebra**

The table below shows the opening value of a stock on the first day of trading in various years. Write a 4th degree model for the data and use the model to estimate the value on the first day of trading in 2010. (1994,2814) (1996,3603) (1998,5429) (2000,3962) (2001,4117) (2004...
*Sunday, December 7, 2014 at 6:23pm*

**English**

Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
*Sunday, December 7, 2014 at 6:22pm*

**calc**

If D is the solid region in the first octant bounded above by the paraboloid z = 1 − x2 − y2 and below by the xy-plane, the volume of D is: so i set this up integrating over dz dr dtheta and got pi/2 but the answer i spi/8
*Sunday, December 7, 2014 at 3:51pm*

**Calc I**

if f(t)=sqrt(4t+1) find f''(2) I got the first derivative to be: 1/2(4t-1)^-1/2 * 4t^3 and i'm trying to figure out if i need the product rule again to find the second derivative -1t^3(4t-1)^-3/2 * 4t^3 The answer if -4/27 and I'm not sure how to get that if I...
*Sunday, December 7, 2014 at 3:41pm*

**Psychology**

Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data have been collected, the...
*Sunday, December 7, 2014 at 2:45pm*

**Chemestry**

To fnd the empirical formula i have to convert the percent in g first, or a take the date in percent?
*Sunday, December 7, 2014 at 11:43am*

**social studies**

1. which of the following staments would describe a reason why the confederation government was unable to help georgia solve its problems with the indians? it was too busy fighting foreign wars. the president would veto any action it took. it was a week system of government in...
*Sunday, December 7, 2014 at 11:15am*

**physics**

Define Newton's first law .
*Sunday, December 7, 2014 at 8:40am*

**physics**

Newton first law provides the measure of ???
*Sunday, December 7, 2014 at 8:37am*

**problem solving**

a nine digit number is formed using each of the digit 1,2,3,...,9 exactly once. for n= 1,2,3,...,9,n divides the first n digits of the number. find the number.
*Sunday, December 7, 2014 at 2:28am*

**Psychology**

Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data have been collected, the...
*Sunday, December 7, 2014 at 12:35am*

**Language Arts Help!**

Read the folowing sentences from the novel. From which point of view are the sentences written? It was past dawn when he woke, his feeling of contentment stll in him. He was no longer his own problem by Merchent Lyte's. Tomorrow at this time what would he be calling him? &...
*Saturday, December 6, 2014 at 10:02pm*

**chemistry**

What mass of carbon dioxide will be produced when 0.250 mol of propane(C3H8) reacts with 25.0 g of oxygen? Write a balanced equation first.
*Saturday, December 6, 2014 at 9:43pm*

**Math help **

each time old faithful in Yellowstone national park erupts, rangers can estimate the height of the geyser by comparing it to the height of a tree. first the Rangers locate a tree of the same height . the shadow of the tree is 93 feet at the same time that the shadow of a 6ft ...
*Saturday, December 6, 2014 at 5:19pm*

**programming urgent**

so i have two arrays . I need to figure outh how to multiply each value of the first array by each value in the second array. how doy ou do thtisT? thanks
*Saturday, December 6, 2014 at 5:14pm*

**Physics**

Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 400 N, is applied at an angle α = 32° to the forward dashed line. The second force, F2 = 536 N, is applied at an angle β = 10° to the forward dashed line. (a...
*Saturday, December 6, 2014 at 4:06pm*

**Math**

10x+5y=500 What is the slope? Do I have to change it to slope intercept form first? Or is there a way to find slope with keeping that equation
*Saturday, December 6, 2014 at 1:37pm*

**Physics**

A student uses a 2.00-m-long steel string with a diameter of 0.90 mm for a standing wave experiment. The tension on the string is tweaked so that the second harmonic of this string vibrates at 22.0Hz . (ρsteel=7.8⋅103 kg/m3) If you wanted to increase the first ...
*Saturday, December 6, 2014 at 12:46pm*

**math**

Lindsay's estimated tax payment for the first quarter. She is self-employed and she expects to earn $78,080 this year. Her estimated income tax rate is 24%. For self-employed persons, social security tax is 12.4% of wages up to $106,800, and Medicare tax is 2.9% of all ...
*Saturday, December 6, 2014 at 10:46am*

**Math**

Q. As a project,the fifth grade students at Scott Elementary School collected newspaper to recycle. During the first week, they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of the newspaper collected. What was ...
*Friday, December 5, 2014 at 9:22pm*

**English help please**

1. Which of the following passages from the text identifies a key event in the plot? A. "... I'll buy your unexpired time. I think between us we could make some fine things- you and I." The boy flushed. To think the great Paul Revere wanted him... B. His feet ...
*Friday, December 5, 2014 at 7:38pm*

**Math please check**

I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this new method. Thank you! The “Cobb-Douglas” productivity function for ...
*Friday, December 5, 2014 at 3:19pm*

**Calculous (Finding Zeros!)**

y = (x^2+2x-5) (x^3+3x^2-40x) Find the zeros ( 5 total zeros ) x = x = x = x = x = So would it be easier for me to distribute first then factor the whole mess out to find the x-intercepts that are the zeroes?. Or. factor (x^2+2x-5) and (x^3+3x^2-40x) and find the zeroes?
*Friday, December 5, 2014 at 2:09pm*

**Calculus Please Help**

Can you please explain these two questions to me? Suppose the population size of a predator is given by P (x) = 0.006x2 + 0.005x, where x represents the population of its prey. If the population of the prey is 10,000 at the first of January and is reduced to 6,000 by May 1 of ...
*Friday, December 5, 2014 at 12:41pm*