Sunday

August 2, 2015

August 2, 2015

Total # Posts: 851

**Calculus help!**

A ball is shot into the air from a bridge, and its height, y, in feet, above the ground t seconds after it is thrown is given by y=f(t) = −16t2 + 55t + 33. What is the average velocity of the ball during the first second? Round your answer to two decimal places.
*February 6, 2013*

**algebra**

Need to know the steps to multiply and simplify the expression: (4-z)z=
*February 4, 2013*

**math**

find the slope of the given line if it is defind. the line through (2,5) and (0,8) please show work
*January 26, 2013*

**math**

a) 1150 dollars invested at 9% annual interest rate (compounded yearly) or b) 1475 invested at 6% annual interest (compounded yearly) after When would the two investments have equal value?
*January 25, 2013*

**math**

A culture of bacteria grows exponentially. It doubles in size every 16 hours. How long will it take to triple from its original size?
*January 25, 2013*

**math**

An innovative rural public health program is reducing infant mortality in a certain West African country. Pretend the program in Senegal has been reducing infant mortality at a rate 8.1 % per year. How long will it take for infant mortality to be reduced by 30 %?
*January 25, 2013*

**math**

assume the substance has a half-life of 11 years and the initial amount is 126 grams.How long will it be until only 15 % remains?
*January 25, 2013*

**Math**

assume the substance has a half-life of 11 years and the initial amount is 126 grams. How much remains at the end of 8 years?
*January 25, 2013*

**Algebra**

Suppose that the annual interest rate on your checking account is 7.5 percent compounded continuously. In order to have $ 6300 in 7 years, how much should you deposit now? Assume, that the current balance is $ 0.
*January 25, 2013*

**Statistics**

The estimated standard error, sM, provides a measure of the average or standard distance between _____. a score and the population mean (X and ì) a sample mean and the population mean (M and ì) a score and the sample mean (X and M) None of the other options is ...
*January 23, 2013*

**math**

2,6,10,14, what is the next number at ate a/30 place. a/n=-2+4n a/30=?
*January 22, 2013*

**English**

I am reading an article about Britney Spears leaving the X-Factor. On of the lines says "she wasn't a great judge, but she didn't shave her hair off or anything, so she proved herself capable of keeping together." I feel like this might be a logical fallacy, ...
*January 21, 2013*

**math**

d=170 feet,t=34seconds r=ft/sec
*January 20, 2013*

**calucus**

Draw the graph of y=-2f(x+1)-3
*January 17, 2013*

**Physics**

A ball of mass m(1) = 0.250 kg and initial v(1) = 5.00 m/s collides head-on with a ball of mass m(2) = 0.800 kg that is initially at rest. What are the velocities of the balls after the collision if they stick together?
*January 11, 2013*

**calculus**

The base of a cell phone tower is an equilateral triangle with sides 10 ft long. How far is one corner of the triangle from the center of the of the triangle?
*December 9, 2012*

**Personal Dimension of Educatio**

Compound subjects those joined with and should take singular verbs. For example: the cd player and moon roof is included in the car's price. True or False. My answer is False.
*November 16, 2012*

**Personal Dimension of Educatio**

Titles of works and company names should be treated as singlular nouns. For example: the Secret Life of Bees is a novel that was made into a movie last year. True or False. My answer is True
*November 16, 2012*

**Personal Dimension of Educatio**

Most singular nouns that end in "s" such as politics, news, measles- take plural verbs. for example: The local news are a good source for community events. True or False.. My answer is False
*November 16, 2012*

**Personal Dimension of Educatio**

Select the sentence that has correct subject-verb agreement. 1. Everyone on the guest list are attending the dinner. 2. Everyone on the guest list is attending the dinner. My answer is 2
*November 16, 2012*

**Personal Dimension of Educatio**

Select the sentence that has correct subject-verb agreement. 11. Neither my dad nor my siblings want to go to the family reunion this summer. 2. Neither my dad not my siblings wants to go to the family reunion this summer. My answer is 1
*November 16, 2012*

**Personal Dimension of Educatio**

Select the sentence that has correct subject-verb agreement. 1. Applied mathematics was my major in college. 2. Applied mathematics were my major in college. My answer is 1
*November 16, 2012*

**Personal Dimension of Education**

Select the sentence that has correct subject-verb agreement. 1. If anyone need to buy a new a laptop, give her or him my contact information. 2. If anyone needs to by a new laptop, give her or hm my contact information. My answer is number 1
*November 16, 2012*

**Personal Dimension of Education**

Select the sentence that has correct subject-verb agreement. 1. There are several forms that you need to complete when you adopt a pet. 2. There is several forms that you need to complete when you adopt a pet My answer is There are several forms that you need to complete when ...
*November 16, 2012*

**Verb Agreement**

Select the sentence that has correct subject-verb agreement. There are several forms that you need to complete when you adopt a pet. There is several forms that you need to complete when you adopt a pet.
*November 15, 2012*

**Personal Dimensions of Education**

My answer is True... What do you say Ms. Sue. Thank you
*November 14, 2012*

**Personal Dimensions of Education**

The subject and verb should agree even when other words come between them. For example: The students as well as their teacher, are excited about the upcoming trip to Italy. Is it True or False
*November 14, 2012*

**ersonal Dimensions of Education**

True or False... As a general rule, collective nouns- such as family, class, faculty, audience- take singular verbs. For example: This year the graduating class is having a beach party after the ceremony.
*November 14, 2012*

**Dimension Personal Education**

Correct answer.... She and my brother enjoy debating about politics. Is this the correct answer
*November 10, 2012*

**Dimension Personal Education**

Select the sentence that has correct pronoun usage. 1. Her and my brother enjoy debating about politics. 2. She and my brother enjoy debating abaout politics.
*November 10, 2012*

**Dimension Personal Education**

Select the sentence that does not have a pronoun-antecedent error. 1. If anybody wants to go to that new restaurant, she or he has to make reservations a month in advance. 2. If anybody wants to go to that new restaurant, they have to make reservations a month in advance. My ...
*November 10, 2012*

**Dimension Personal Education**

Select the sentence that has correct pronoun. 1. Natalia is a better cook than me. 2. Natalia is a better cook than I. My answer is 1. Natalia is a better cook than me.
*November 10, 2012*

**Dimension Personal Education**

Select the sentence that has correct pronoun usage.... 1. Julie plans to travel this summer with Oscar and me. 2. Julie plans to travel this summer with Oscar and I
*November 10, 2012*

**Dimension Personal Education**

The local museum is extending its hours for the summer.
*November 10, 2012*

**Dimension Personal Education**

Help.............. Select the sentence that does not have a pronoun-antecedent error. 1. The local museum is extendign its hours for the summer 2. The local museum is extending their hours for the summer.
*November 10, 2012*

**Dimension Personal Education**

True or False: The indefinite pronouns both, few, many, and several are always plural in meaning. True..... What do you think
*November 9, 2012*

**Dimension Personal Education**

Got it False... Right
*November 9, 2012*

**Dimension Personal Education**

I am not sure of my answer. Please let me know if I am correct. I think it is True
*November 9, 2012*

**Dimension Personal Education**

True
*November 9, 2012*

**Dimension Personal Education**

True or False The indefinie pronouns all,any, more, most, and some are alwas singular in meaning
*November 9, 2012*

**Dimension Personal Education**

Select the sentence that does not have a pronoun-antecedent error. 1. Most moviegoers like to bring his own snacks to save money. 2. Most moviegers like to bring their own snacks to save money
*November 9, 2012*

**Dimension Personal Education**

Select the sentence that does not have pronoun-antecedent error. 1. Most moviegoers like to bring his owm snacks to save money. 2. Most moviegoers like to bring their own snacks to save money.
*November 7, 2012*

**Personal Dimension**

Select the sentence that has correct pronoun usage.... 1. Julie plans to travel this summer with Oscar and me. 2. Julie plans to travel this summer with Osar and I.
*November 7, 2012*

**Persnal Dimension of Education**

True or False Subjuect pronouns include me, her, him, and them.
*November 7, 2012*

**chemistry**

how many joules are required to heat a frozen can of juice (360 grams) from -5 degrees Celsius to 110 degrees celsius
*November 5, 2012*

**ersonal Dimensions of Education**

Help........... Select he sentence that is punctuated correctly. 1.Zora's lemon trees produces too much fruit She gives them away therefore, to her friends and neighbors. 2. Zora's lemon tree produces too much fruit. The gives them aay, therefore to her friends and ...
*November 4, 2012*

**Personal Dimensions of Education**

May, I please ask is it False
*November 4, 2012*

**Personal Dimensions of Education**

Select the sentence that is punctuated correctly 1 The neighors' new dog is small, quiet, and sky. 2 The neighbors' new dog is small quiet and shy. 3 The neighbors' new dog is, small quiet and shy
*November 4, 2012*

**ersonal Dimensions of Education**

There should be commas around "however" in the following sentence: Dwayne had planned to take the last flight out to chicago. It was cancelled, however, because of bad weather (True or False)
*November 4, 2012*

**Personal Dimenion of Education**

The coordinating conjunctions that can be used to combine two complete sentences with a comma are 'for,and,nor,because,yet, so True or False
*November 4, 2012*

**Algebra 2**

3Y + 6x = 18 4y – 12x = -16 a.) Get each equation in slope-intercept form. b.) Identify the slope and the y-intercept of each equation. c.) Find the x and y-intercepts of each line.
*November 2, 2012*

**College math**

Thanx for no steps...
*October 27, 2012*

**College math**

If I was here to just have everything answered i'd use y ahooanswer.
*October 27, 2012*

**College math**

I have a lot more. I'm only putting one problem from each chapter so I can see the steps again.Can you help me with this then?
*October 27, 2012*

**College math**

(2-3i)(3+5i)
*October 27, 2012*

**College math**

-15-√-18/33
*October 27, 2012*

**College math**

(-2+√-11)^2
*October 27, 2012*

**College math**

√-81- √-144
*October 27, 2012*

**College math**

3/4+i
*October 27, 2012*

**College math**

-8i(2i-7)
*October 27, 2012*

**College math**

(-2+6i)+(4-i)
*October 27, 2012*

**HCA**

a 700- to 1,050-word paper that includes the following: • Describe the principles of verbal and nonverbal communication. • Explain which three principles you think are critical for effective communication. • Include at least one personal experience with a ...
*October 9, 2012*

**Math**

A rectangular wimming pool is 40 ft wide and 45 ft long. It is surrounded on all four sides by a wooden deck of fixed width. The total area enclosed within the perimeter of the deck is 2354 sq ft. What is the width of the deck?
*October 3, 2012*

**math**

How long is the strip of wood shwan wants to buy
*October 1, 2012*

**Math/Trig**

An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction 210°50'. Assuming the Earth is flat, how far is the plane from the airport at this time (to the nearest mile)
*September 27, 2012*

**economics**

Assume that the equation for demand for bread at a small bakery is Qd = 60 - 10Pb + 3Y, where Qd is the quantity of bread demanded in loaves, Pb is the price of bread in dollars per loaf, and Y is the average income in the town in thousands of dollars. Assume also that the ...
*September 18, 2012*

**AP US history**

how?
*September 13, 2012*

**AP US history**

By violating the Navigation Acts and developing their own trading patterns, were the American colonies also creating their own mercantile system?
*September 13, 2012*

**math**

A small rock weighed 4,298 ounces. what is the eight of the rock to the nearest thousand?
*September 11, 2012*

**algebra**

Jeremy is building a deck for the community center. The deck is shaped as rectangle. The width of the deck is 29ft. The perimeter of the deck is to be at least 134ft. Write an inequality that represents all possible values of the length of the deck. Find all possible values ...
*September 9, 2012*

**accounting**

Find the ending balance in an account that opens with $9,000, earns 4.5% interest compounded quarterly, and is held for 5 years. (Round your answer to the nearest cent.)
*August 26, 2012*

**STATISTICS**

2. Are the student final exam scores in classroom A significantly different than the average of classroom B, 80%? Provide the IV, DV, and best method of analysis. (Points : 6)
*July 25, 2012*

**statistics**

1. How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis
*July 25, 2012*

**Chemistry**

A concentration cell consists of two Al/Al+3 electrodes. The electrolyte in compartment A is 0.05M Al(NO3)3 and in compartment B is 1.25 M Al(NO3)3. What is the voltage of the cell at 25 degrees Celcius?
*July 20, 2012*

**Math**

u = (3, -4) v = (-5, -2) u - v = ?
*July 20, 2012*

**Chemistry**

A voltaic cell consists of Ag/Ag+2 electrode E= 0.80 and a Fe+2/Fe+3 electrode E=0.77 with the following initial molar concentrations: [Fe+2}= 0.30 M [Fe+3]= 0.10 M [Ag+]=0.30 M. What is the equilibrium concentration of Fe+3? (Assume the anode and the cathode solutions are of ...
*July 20, 2012*

**ECONOMICS**

abcd
*July 19, 2012*

**math**

How often do you run red lights? How does this lead to an erroneous conclusion?
*July 12, 2012*

**Algebra**

convert english measurements to metrics L 134 in W 124 in H 92 in I took these three and multiplied them by 2.54cm I got 889cm. I need to find the volume in cubic centimeters. If each dimension (L,W,H) is doubled, what happens to the volume of the room?
*June 27, 2012*

**Physics **

A block of mass 20g sits at rest on a plate that is at the top of the fluid on one side of a u-tube as shown in figure P10.38. The u tube contains two different fluids with densities p1= 1000 kg/m^3 and p2= 600 kg/m^3 and has a cross sectional area of A= 5.0 x10^-4 m^2. If the...
*June 27, 2012*

**Algebra**

a gallon of paint covers 350 square feet, how many do I have to buy to cover 560,444 square feet?
*June 27, 2012*

**math**

A locker combination has three nonzero digits, and digits cannot be repeated. If the first digit is 3, what is the probability that the next digit is odd?
*June 20, 2012*

**Economics**

An increase in the tax rates on the underground will have no effect on tax revenue since 0 x tax rate = 0. Since the underground is not reported or illegal. However, underground goods and services will now be cheaper since the other goods and services will be more expensive ...
*June 19, 2012*

**Precalculus**

You have a total of 820 feet of fencing to enclose a large retangular larea and divide it into four smaller pens of the same dimensions. The fencing used to divide the large pen must be parallel to the same side of the large rectangle. Maximize the total rectangular area (...
*June 19, 2012*

**finance**

how do we end up with salvage value if the item is depreciated the cost of the item either over a period of years or all in one year? How does salvage value work?
*June 15, 2012*

**Algebra 2**

Log27+log27(x+8) = 2/3
*June 13, 2012*

**Algebra 2**

log5 (log3³)
*June 13, 2012*

**Algebra 2**

Log² x + log² 3 = 1
*June 13, 2012*

**Algebra 2**

log² 16 = x
*June 13, 2012*

**Physics Equations of Motion**

90.5x10^3 doesn't sound reasonable since it's a ratio but i went ahead and tried it and it didn't work i believe you have to combine the equations of motion i'm just not sure how to do it!
*June 7, 2012*

**Physics Equations of Motion**

Along a straight road through town, there are three speed-limit signs. They occur in the following order: 66 , 31 , and 19 mi/h, with the 31 -mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a driver can spend on ...
*June 7, 2012*

**Calculus AP**

oh 4/2 is 2. ok thanks
*June 4, 2012*

**Calculus AP**

i mean my answer is -1/(x+1)
*June 4, 2012*

**Calculus AP **

i wanna KNOW IF im DOING RIGHT. Evaluate the difference quotient for the given function. Simplify your answer. f(x)=x+3/x+1, [f(x)-f(1)]/(x-1) simplify my answer: [(x+3)/(x+1) - (1+3)/(1+1)]/(x-1) = [x+3/x+1 - 4/2] / (x-1) = [2(x+3)-4(x+1)/2(x+1)] / (x-1) = [2x+6-4x-4/2(x+1...
*June 4, 2012*

**Algebra 2**

9x²+4y²-18x+16y-11=0
*June 1, 2012*

**Algebra 2**

x²+6x-4y+1=0
*June 1, 2012*

**math**

an account which pays 14% compounded quarterly, what is the effective rate of yield?
*May 23, 2012*

**Health, Safety ,and Nutrition**

Flexability
*April 28, 2012*

**Statistics/Research**

Please do not respond to this question
*April 25, 2012*