Sunday
August 2, 2015

Posts by Jackie


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

Bus Finance
17
May 17, 2012

Health, Safety ,and Nutrition
Flexability
April 28, 2012

Statistics/Research
Please do not respond to this question
April 25, 2012

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