Tuesday
February 9, 2016

Posts by Dylan

Total # Posts: 407

4th grade math
you add two
May 19, 2011

geometry
The radius of a circle is 6cm and the arc measurement is 120 degrees, what is the length of the chord connecting the radii of the arc?
May 6, 2011

English 102
I think your kind of young to be asking about that kind of stuff
April 29, 2011

Math
Estimate to the nearest integer. Square root of -55
April 28, 2011

calculus
I posted one before but this is another one of those problems that i need help with! I don't know how to approach this one at all! Please help use the definition of the derivative to find f'(x) when f(x)= (4/x^2)+(2/5*x)
April 24, 2011

calculus
:( please help?
April 24, 2011

calculus
sorry! the numerator is 2+x and the denominator is x^3
April 24, 2011

calculus
I am learning derivatives and I despise having to use the definition of the derivative. Please check my answer for this particular one! it is different from the one I get by differentiating. The question: f(x) = 2+x / x^3 my answer: -6x^2-2x^2
April 24, 2011

math
Brown checked out 4 books and 1 videotape at the library. He returned them all 7 days late the library charges late fees at $3.00 per week for a video and $0.15 per day for a book. Write an expression that represents browns change if he paid his late fees with a $10 bill?
April 17, 2011

science
why are dog fleas more successful parasitesthen bacteria that cause deadly diseases?
April 13, 2011

math
Mary's group of close friends are going to fifth grade in September. All are going to Belleview Elementary and their homerooms will be room 12, 14, or 16. All of her friends but 4 are going o room 12, all but 4 are going to room 14, and all but 4 are going to room 16. Not ...
April 10, 2011

math
MathMate attempted to help but did not show how the problem is answered. It only confused the problem. Could someone else please help? Thanks. The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the ...
March 26, 2011

math
The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals 1/2. What is the original fraction? **Need to show all work** Thanks for the help.
March 26, 2011

Chem 112
2.78
March 21, 2011

chemistry
How many milliliters of 3.0 M hydrochloric acid are i required to prepare 500 milliliter of 1.0 M Hydrochloric solution
March 15, 2011

Math
plot 7 on the x axis
March 15, 2011

math
Please help my equivalent fraction. I am greater than 1/5 and less than 1/2. My denominator is between 2 and 4. What fraction am I? Thanks for the help..
March 9, 2011

chemistry
A gas occupies 8.2 liters at 2.5 atm. What is the pressure if the volume becomes 7.5 L?
March 3, 2011

chemistry
A gas occupies 8.2 liters at 2.5 atm. What is the pressure if the volume becomes 7.5 L?
March 3, 2011

chemistry
A gas occupies 8.2 liters at 2.5 atm. What is the pressure if the volume becomes 7.5 L?
March 3, 2011

ipc
how much power is used to move a 25 kg mass 8 meters in 15 seconds
February 28, 2011

Math
90/65=.7222*5=3.6111+5=8.6111 8.1 feet
February 27, 2011

ap chem
ok, i'm given: Ethylene Glycol C2H6O2 is the main ingredient in antifreeze. density of pure EG: 1.132 g/mL Anti-freeze is 32% by volume EG I have to find: Volume of Eg in 1 L Mass of Eg in 1 L & the Volume of "solvent" in 1 L Can someone help me? and give me some...
February 27, 2011

ap chem
ok, so i have to find the mass of the HNO3 in 1 L and the mass of the H2O in 1 L. I'm given: HNO3 solution 1.42 g/mL 16M I'm really terrible at this stuff and it should be easy, but I have no idea where to start.
February 25, 2011

ap chem
ok, sweet. i had most of that set up right. so the mass of HNO3 = 1008 g & the mass of H2O = 412 g?
February 25, 2011

ap chem
ok, so i have to find the mass of the HNO3 in 1 L and the mass of the H2O in 1 L. I'm given: HNO3 solution 1.42 g/mL 16M I'm really terrible at this stuff and it should be easy, but I have no idea where to start.
February 25, 2011

ap chem
would you multiply the 93.37 and the 1.071 then? is 100g correct?
February 24, 2011

ap chem
would it be 89.28 g?
February 24, 2011

ap chem
I'm supposed to find the mass of NaCl in 1 L & the mass of H20 in 1 L. I'm given NaCl solution. 1% by mass. The Density is 1.071 g/mL. I know the answer for NaCl is 10.71 g, but I don't know where to start to get to this. Could you lead me in the right direction?
February 24, 2011

essay writing
same here... yall should rethink your answer
February 3, 2011

spelling 2nd grade
give me a senec with prehistoric
January 23, 2011

geometry
the area of the first triangle is 22 sq feet. if the scale factor of two similar traingles if 3, what is the area of that second triangle>?
January 18, 2011

Science
very urgent!!!!!!!!! plzz plzz answer or attempt!
January 18, 2011

Science
8. The balanced equation P4 (s) + 6H2 (g) --> 4PH3 tells us that 2 mol H2 a. reacts with 1 mol 4 b. produces 4 mol PH3 c. cannot react with phosphorus d. produces 2 mol PH3 e. reacts with 2 mol P4 idk y i cant seem to get the answer from the choices above?
January 18, 2011

math
1 1/12 = 13/12 =2-13/12 = 24/12-13/12 =11/12 of a cake left over.
January 18, 2011

chemistry
Yupp, Calcium Hydroxide. Ca is the cation --> calcium OH is the polyatomic anion--> hydroxide (: Hope it helped!
January 18, 2011

algebra
(6y+1)(6y-1)
January 18, 2011

Chem 11
4.21
January 18, 2011

Geometry
Right triangle
January 18, 2011

Visual Basic - Computer Science
Public Class Form1 Public SparkPlugsString(,) As String = {{"VBAutoPart", "Brand A", "Brand C", "Brand X"}, {"PR214", "MR43T", "RBL8", "14K22"}, {"PR223", "R43", "RJ6"...
December 19, 2010

Visual Basic - Computer Science
I'm trying to right a program with Multidimensional Arrays. These are the instructions for the program: The Valley Boulevard (VB) Auto Center management is pleased with your progress in developing their system. They require you to develop a new feature for their system. ...
December 19, 2010

chemistry
using a universal ph paper to test the Ph of purple grape juice is unlikely to be successful why
December 15, 2010

Physics
Define the focal length of a convex mirror?
December 14, 2010

Math
x+2=6 and its under a square root thing
December 11, 2010

Math
3x-6y=12 find the slope, y intercept and general equation
December 11, 2010

Math
solve using addition or subtration 12x+9y= 14 6x= 7y - 16
December 11, 2010

math
Mrs.penn has a circular tablecloth with a circumference of 29 feet. Which expression could be used ro find the radius of the tablecloth? f. 29 - 2 pie g. 29/2 pie h. 29/pie j 29 + 2pie
December 6, 2010

Chemistry
the idea expressed in whims is known as
December 3, 2010

sience
chief or ruler .
November 30, 2010

5th grade
what is the smallest number of pencils that are needed to put into jars holding 3,6 and 9 leaving no remainder.
November 23, 2010

precal
the terminal side of an angle in standard position coincides with the line y=x in quadrant I. find tan to the nearest thousandth
November 17, 2010

Math
if four friends share equally a 48 ounch bag of popcorn what fraction would each one get?
November 8, 2010

algebra
x/14+12=3x-8.5
November 4, 2010

algebra
x/14+12=3x-8.5
November 4, 2010

Algebra
x/14+12=3x-8.5
November 4, 2010

Math
Find a number whose square root is 24 more than 5 times the number. How do I set up this problem? Thank you for any help!
October 23, 2010

algebra I
Find a number whose square root is 24 more than 5 times the number. How do I set up this problem?
October 23, 2010

AP CHEM
HIO3 + FeI2 + HCl --> FeCl3 + ICl (in acidic solution) Show and label the two balanced half-reactions (oxidation and reduction). Add H2Os, H+s or OH-s as needed.
October 23, 2010

Physics
What force is required to accelerate an object of 1.484x10^0 kg over a frictionless surface at -2.3580x10^0 m/s2 expressed to three significant figures.
October 22, 2010

Chemistry
921.4919096 g/mol does this look to be right? or 1 grams 850.49 NF3 is equal to 0.00108519672238 mole does this look better?
October 22, 2010

Chemistry
How many moles of NF3 are in 850.49 grams of nitrogen triflouride
October 22, 2010

Chemistry
ok so C = 19x 12.01 = 228.19 H = 97 x 1.001 = 97.097 Cl = 35 x 35.45 = 1240.75 =1566.037 g/mol is this look ok
October 22, 2010

Physics
A motorcycle with an initial velocity of 7.99x10^0 m/s accelerates for a total of 3.3x10^0 seconds at a rate of 1.51x10^0 m/s2. What is it's velocity, to two significant figures? can anyone show the calculations for this
October 13, 2010

Physics
For a standard production car, the record for road test acceleration goes to the 1993 Ford RS200 Evolution. This car went from 0 to 2.911x10^1 m/s in 3.279x10^0 seconds. What is the average acceleration, expressed to 3 significant figures?
October 13, 2010

AP Chem
A student chemist named Hannah Montana set up an electrical conductivity tester similar to that shown on page 141 and conducted an experiment involving two clear, colorless liquids, identified as solution A and solution B. Solution A and Solution B are both 0.050 M. The ...
October 11, 2010

Geography
How do the shores of Long Island differ from each other. The South Shore and he North Shore
October 6, 2010

social studies
does anyone know the 4 prehistoric indian groups that lived in indiana?
October 5, 2010

math
This is dylan i am just learning square root i need this awnser for my homework which is do tommorow so please write the awnser back to me thanx every1 and please check your awnser before ypu post it.Thanx Every1.
September 23, 2010

math
Each ostrich needs a pen about 20 feet by 10 feet.How many square feet of space will be needed by 11 ostriches.
September 23, 2010

5th grade math
In the zoo there is penguins and polar bears 120 people visted both of them but only 75 people to photograghs how many people bought souvenior photographs please multiply
September 21, 2010

geography
What does Pig ears stand for?
September 21, 2010

geometry
X would be 17.5, as long as the answer isn't required to be a whole number.
September 20, 2010

physics
need answer fast- running out of time
September 7, 2010

physics
A truck is stopped at a stoplight. When the light turns green, it accelerates at 2.7 m/s2. At the same instant, a car passes the truck going 18 m/s. Where and when does the truck catch up with the car?
September 7, 2010

Science
The portion of the nervous system that controls involuntary activities is a subdivision of the ____ nervous system. A. sympathetic B. central C. peripheral D. parasympathetic I think it's either B or C right?
September 1, 2010

Science
What process describes how a signal travels from one end of a neuron to the other end? A. Hormonal regulation B. Muscle coordination C. Membrane excitability D. Neurotransmitter release I'm pretty sure the answer is C but just want to be positive.
September 1, 2010

medicine
A patient was experiencing indigestion almost every day. The physician performed an upper GI series, also known as a ____ test. a) bronchographic b) barium enema c) cholangiographic d) barium swallow I've been searching for hours and cant find the answer. Please help!!!
August 6, 2010

How Children learn
19. C 20. A
May 13, 2010

math HELP
ur such a homo. oh and your mom wanted to join
May 6, 2010

math HELP
why dont u want to join
May 6, 2010

8th grade
thanks wanna join
May 5, 2010

8th grade
what is a historical fact about independent and dependent events. im having so much trouble finding this answer on the enternet. HELP! thanks
May 5, 2010

trigonometric
ya drwls is right haha
May 5, 2010

math #2
Look at the pattern of shaded numbers. use place value to describe how the number change. 501 is shaded,502,503,504,505,506,507,508,509,510,511,512,513 is shaded,514,515,516,517,518,519,520,521,522,523,524,525 is shaded,526,527,528,529,530,531,532,533,534,535,536,537 is shaded...
April 26, 2010

math
Look at the pattern of shaded numbers. use place value to describe how the number change. 501,502,503,504,505,506,507,508,509 is shaded,510,511,512,513,514,515,516,517 is shaded, 518,519,520,521,523,524,525 is shaded,526,527,528,529,530,531,532,533 is shaded,534,535,536,537,...
April 26, 2010

math
Look at the pattern of shaded numbers. use place value to describe how the number change.
April 26, 2010

8th grade chemistry
the answer is c :)
April 21, 2010

Math
A vase had 4 yellow flowers, 4 red flowers and 8 blue flowers. Donna takes one out, smells it and returns it to the vase. What is the probabilty she picked a red flower? What is the probabilty she picked a blue flower? Is it red 4:16 and blue 8:16?
April 15, 2010

Math
A die is rolled once. What is the probability of getting number 5?
April 15, 2010

Math
change the equation 2x+5y=8 into the form of y=ax+b and then substitute for the value of X by ( 0 , 1 , 2 , 3 ) 3 points are enought and line them on a graph.. Note : the second equation has the same way!
April 13, 2010

math
seven thousands five hundred fourty two.. THATS IT!
April 12, 2010

Math
Its is (2x+5)^2... Thats the correct Factorized answer
April 12, 2010

Math
Developed form : x^2 -1/2x -7x -7.5 : x^2 -7.5x -7.5
April 12, 2010

math
Ok now that makes more sense to me. i must have typed it wrong. thank you.
March 28, 2010

math
It would be more of a drop. But i still done get the formula. did i do the formula right in the first place?
March 28, 2010

math
Would a drop of 40 Celsius degrees be more or less than a drop of 40 fahrenheit degrees? explain why C = 5/9 (F - 32)40-32=8c F = 9/5 C + 32 40+32=86f
March 28, 2010

6th Grade Grammar
Its A
March 17, 2010

6th Grade Grammar
Present Perfect
March 17, 2010

4th grade
I have a rectangle equally divided into 24 parts I must cut it into 5 pieces and make a new shape. cannot bea rectangle
March 9, 2010

preschool
wow teach him to talk
January 30, 2010

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. Next>>