Sunday
June 26, 2016

Posts by Nicky

Total # Posts: 211

math: pre-calculus
You have 5 grams of carbon-14; whose half-life is 5730 years. a)Write the rule of the function that gives the amount of carbon-14 remaining after x years. b)How much carbon-14 will be left after 4,000 years? c)When will there be just 1 gram left?
May 8, 2016

math: pre-calculus
Solve the equation. First express your answer in terms of natural logarithms (for instance, z=(2+ln5)/ln3). Then use a calculator to find an approximation for the answer. 3^x+9=2^x.
May 8, 2016

math: pre-calculus
If current rates of deforestation and fossil fuel consumption continue, then the amount of atmospheric carbon dioxide in parts per million (ppm) will be given by f(x)=375e^0.00609c, where c=0 corresponds to 2000. a)What is the amount of carbon dioxide in 2022? b)In what year ...
May 8, 2016

math: pre-calculus
Solve the equations. Log(6x-1) = Log(x+1) + log4
May 8, 2016

math: pre-calculus
Let u=lnx and v=lny. Write the expression ln3√x/2y in terms of u and v. For example, lnx^3y=lnx^3+lny=3lnx +lny= 3u+v.
May 8, 2016

math: pre-calculus
Write the expression as a single logarithm. Ln(e^3y)+ln(ey)-4
May 8, 2016

math: pre-calculus
Let u=ln and v=ln y. Write the expression ln(5√(x3√y)) in terms of u and v. for example, lnx^3y = lnx^3+lny = 3lnx+lny = 3u+v
May 8, 2016

math: pre-calculus
For the log function (h(x)=log(x+3)-8): a) Find the domain. b) Find the asymptotes. c) Find the x-intercepts.
May 8, 2016

math: pre-calculus
List the transformations that will change the graph of g(x)=lnx into the graph of the given function h(x)=log(x+3)-8 a) Horizontally shift the graph to the right by 3; then vertically shift downward by 8. b) Horizontally shift the graph to the left by 8; then vertically shift ...
May 8, 2016

math: pre-calculus
Evaluate the expression without using a calculator. Unless stated otherwise, all letters represent positive numbers. e^(ln√x+5)
May 8, 2016

math: pre-calculus
The Department of Commerce estimated that there were 53 million internet users in the country in 1999 and 90 million in 2002. Find an exponential function that the models the number of Internet users in year x, with x=0 corresponding to 1999.
May 8, 2016

math: pre-calculus
5. For the log function (h(x)=log(x+3)-8): a) Find the domain. b) Find the asymptotes. c) Find the x-intercepts.
May 8, 2016

Language Arts
please I need help now
April 26, 2016

Language Arts
whose attitude toward scrooge is the most severe
April 26, 2016

math HELP
the graph below was drawn with output on the vertical axis and input on the horzontal axis what does this graph indecate about the relationship between the input and the output
April 22, 2016

math HELP
you have a savings account that offers an annual simple interest rat of5% you put $350 into the account select the graph showing the total interest you earn after 1,2,3,and 4 years
April 20, 2016

life orientation
I don't know what to do it
April 20, 2016

math
yes just answer the question
April 7, 2016

Math
thanks
March 29, 2016

math
Joe bought a television for $286.26, including tax. He made a down payment of $20.00 and paid the balance in 6 equal monthly payments. What was Joe's monthly payment for this television?
February 11, 2016

Math
Mr blackwell tracks sales of ski equipment each week for a month. Complete the table to determine which week had the highest percent of ski euipment sales
October 29, 2015

Pre-Algebra
The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V (6, 2) W (-2, 4) X (-3, -2) Y (3, -5) scale factor of 2
October 27, 2015

Math.
5. is d
April 9, 2015

Math
3 lbs and 6 ozs
April 2, 2015

Chemistry
For the substance SO2F2(g), ΔHºf = -858 kJ mol-1 and the S-F bond, 308.0 kJ mol-1 Determine the average S=O bond energy in SO2F2 in units of kJ. Is my answer right, if so how do I convert this to kJ? x= S=O bond -858= 2(308) + 2(x) -737kJ/mol
March 29, 2015

Florida studies weekly
How did people write letters before the typewriter was invented?
March 12, 2015

Science
A B c d A B E A D E 100% good luck
March 9, 2015

physics
A rocket moves upward, starting from rest with an acceleration of 25.0 m/s2 for 3.77 s. It runs out of fuel at the end of the 3.77 s but does not stop. How high does it rise above the ground I`ve been sick last week, not quite sure where to even start can you give me a formula...
September 26, 2014

english
Speech
May 5, 2014

English
I want to write a speech topic traditional africa marriage is an advantage for men only not women
April 10, 2014

statistics
For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level. (a) n=100 and p-hat=.56 (b) n=400 and p-hat=.56
April 2, 2014

statistics
An experiment was conducted to determine the abrasion resistance of a new type of automobile paint. Twelve different strips of metal were painted with the new paint. The abrasion resistance of each piece was then tested on a machine. In the sample, the abrasion resistance ...
April 2, 2014

physics
Simple. The question states that it is a spherical balloon. What is the volume of a sphere? 4/3 x pi x Radius (cube). You already have the radius 0.16m (16 cm). So now volume = 4/3x3.14x0.004096 = 0.01715 cubic meter
March 26, 2014

social stud. quiz --- check my answers!!!
The answers I just posted are 100% correct but the ones that anonymous put up there are not hard I was not thanks a lot I got 1/10
February 11, 2014

social stud. quiz --- check my answers!!!
C B A B C D B C A B
February 11, 2014

Science
a b b c
November 7, 2013

Math
For what constant value a is the following function continuous at x= -10 ? f(x)= (1/x+1/10)/(x+10) when x is not -10 f(x)= a when x= -10
September 15, 2013

math
name the lengths of the sides os three rectangles with the perimeters of 12 units. Use only hole numbers
April 17, 2013

social studies
Anonymous you look up answers to
March 22, 2013

math
all 4 interior angles of a parallelogram which is not a rectangle are bisected.What shape is always enclosed by the 4 bisectors
February 10, 2013

business
consider a four year project with the following information: initial fixed asset investment=420,000;staright-line depriciation to zero over the four year life; zero salavage value; price=25; variable cost=16; fixed cost=180,000; quantity sold=75,000 units; tax rate= 34 percent...
December 2, 2012

Correct
Yes Mrs. Sue you are correct. Nice job guys! :)
October 25, 2012

business
You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is 13 percent and the inflation rate is 5.1 percent. What real amount must you deposit each year to achieve your goal?
October 13, 2012

business
You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is 13 percent and the inflation rate is 5.1 percent. What real amount must you deposit each year to achieve your goal?
October 13, 2012

phy
A stone is thrown upward from the edge of a cliff overlooking the ocean. The initial speed of the stone is 20m/s, and it's thrown up at an angel of 30 degrees with respect to the horizontal. the cliff is 45m above the ocean surface. How long is the stone in flight before ...
October 12, 2012

physics
a) a car does an emergency stop from 120000m/s in 3s. what was it's deceleration? b) what was the car's average velocity and what was the stopping distance? thank you
September 19, 2012

maths
whhat is the quadratic formula?
September 19, 2012

phyics
find the acceleration if the velocity changes from: a) 2m/s to 4m/s in 4s b) 5m/s to 10m/s in 2s c) 100m/s to 120m/s in 5s d) 86m/s to 94m/s in 4s e) 21m/s to 35m/s in 18s thank you!
September 19, 2012

math plz help
a student earns 3 doller per hour baby sitting if she earned a total of 28.50 how many hours did she baby sit
February 17, 2012

Science
unscramble the letters rorpsfgnloadeeasi to make a phrase
December 6, 2011

Algebra
The area of a of trinagle with b and h is a=1/2bh find the area when b=30 and h =38 m
November 25, 2011

medical terminology
You are asked by the CEO of your hospital to contribute to the annual report. She wants you to write a five-page paper generally describing each of the ten departments in your hospital (Dermatology, Oncology, Gastroenterology, Pulmonary, Cardiology, Endocrinology, Obstetrics ...
November 12, 2011

chemistry
the combustionof 1.0g of gasoline realises 11kcal of heat (Density of gasoline=0.74g/ml) a)how many megajoules are realised when 1.0 gallon of gasoline burns? b)when a color TV is on for 2 hours 300KJ are used. How long can a color TV runon the energy from 1.0 gallon of ...
September 26, 2011

chemistry
You diluted a bacterial culture 106, plated out 200 µL and found 38 colonies on the plate. How many bacteria/mL were in the original undiluted culture?
September 13, 2011

chemistry
You add a pint of STP gas treatment to a 10 gallon fuel tank, and half fill the tank with gas. What is the dilution factor? (Hint: there are 8 pints/gallon)
September 13, 2011

CALC
f(x)= −10.4sin(3x)+8.5cos(3x) find max and min on interval ( -0.81, 1.27 )
April 2, 2011

calculus
i am confused by the bracket.. there is only 1 bracket
February 25, 2011

calculus
yes, i understand that part but i do not know how to actually solve the problem
February 25, 2011

calculus
e^(8x^4)
February 25, 2011

calculus
exp is euler's constant around 2.718.......
February 25, 2011

calculus
Derivative of: (exp(8x^4))(5x^3+9)^3 ___________________________ (divided by) (22x^2+4x-20)^2
February 25, 2011

third grade hw help
My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!
January 19, 2011

Economic
calculate 250000-375p=15000+212.5p
November 7, 2010

MATH
The volume V of a gas varies inversely as pressure P is exerted. If V = 4 liters when P = 3 atmospheres, find V when P = 7 atmospheres. Note: Round your answer to the nearest hundredth
October 12, 2010

Geometry
ok thnx
September 16, 2010

Geometry
If M is midpoint of line BK, BM = 5x + 9, MK = 3x + 33 then what does x equal. What does BK equal.
September 16, 2010

latin
Transaltion from Latin to English: Aeneas, dum ex urbe effugit, senem portat. Senex est Anchises, pater Aeneae. Portare Anchisen necesse est quod senex ambulare non potest. Aeneas Anchisen portat; portat Anchisen Penates, deos familiares. Dei Aenean et Anchisen et omnes amicos...
July 14, 2010

medical Terminology
show a template on how to write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment parameters. All terms must be ...
July 14, 2010

math
4a -a = A)4 B)3-a C)5a D)4a to the 2 power E) none
March 23, 2010

math
sorry my name was wrong nicky
March 23, 2010

math
(1/10 \ 1/2) * 3 + 1/5 for 1/10 \ 1/2 i got 1/5 but i dont know what to do with the rest 1/5 * 3 + 1/2= F)4/5 G)4/15 H)16/25 J)3 2/5 K)none of these what do i do
March 23, 2010

math
(1/10 \ 1/2) * 3 + 1/5 for 1/10 \ 1/2 i got 1/5 but i dont know what to do with the rest 1/5 * 3 + 1/2= F)4/5 G)4/15 H)16/25 J)3 2/5 K)none of these
March 23, 2010

math
25% thanks
March 23, 2010

math
what percent of 12 is 3? i got 0.36% is that the same as 36%
March 23, 2010

math
49 so it would be E as in none right
March 23, 2010

math
70% of 70 is A)1 B)10 C)1000 D)100 E)none i got 100
March 23, 2010

math
2 8\2 ____ 2
March 23, 2010

math
5 over 9 + 4 over 9 + 2 over 9 = i got 1 and 3 over 9
March 23, 2010

math
no its a Fraction 11 over 27
March 23, 2010

math
5 4 2 - + - + - 9 9 9 F) 11 -- 27 G) 2 1 - 9 H) 1 1 - 9 j) 2 - 9 K)none of these i got 11 3 -- or 1 - 9 9
March 23, 2010

math
25 so its a is it that easy,thanks
March 23, 2010

math
13+[22-(7+3)] i got 16 A)25 B)21 C)31 D)47 E)none of these
March 23, 2010

language mechanics
what Writeacher suggested i dont know what you mean by that
March 23, 2010

MATHS
I am less than 500. I am divisible by 11 and 5. I have three digits. The sum of my digits is 14
March 21, 2010

sicence
Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information about a location
March 18, 2010

Geography
What impact did the dissolution of the Union of Soviet Socialist Republics have? A)affected nations throughout the world B)decreased conflict in eastern Europe C)increased communism throughout the world D)none its B right
March 10, 2010

geography
thanks again haha
March 10, 2010

geography
so it would be C then right
March 10, 2010

geography
no.right
March 10, 2010

geography
Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i think its A or C am i right
March 10, 2010

geography
thank you this is not like my english class i kind of know this but thanks a lot
March 10, 2010

geography
Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service industries will close...
March 10, 2010

geography
lol thanks i was wondering that,i was almost sure that it was
March 10, 2010

geography
Culture is seldom a factor in world conflict. A)True B)False i think its false
March 10, 2010

Geography
what a bout 4
March 10, 2010

Geography
Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service industries will close...
March 10, 2010

geography
so its a that what i was thinken thanks
March 10, 2010

geography
Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i really dont know this one maybe a but im very unsure
March 10, 2010

Geography
I'm guessing country.that's all it gives me
March 10, 2010

Geography
Which statement is not a benefit of increased development? A)improved access to health care B)increased wealth C)more even distribution of resources D)reduced unemployment i think i might be (B) beacuse it is not benefit the increased development.
March 10, 2010

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. Next>>