Saturday
November 22, 2014

Posts by cristina


Total # Posts: 80

Math
I divided 9/10 by 1/20 and I got 18. Is this correct?
September 21, 2014

Math
Liam has 9/10 gallon of paint for painting the birdhouses he sells at the craft fair. Each birdhouse requires 1/20 gallon of paint. How many birdhouses can Liam paint?
September 21, 2014

math
How do you find the interest and the new balance on these charge accounts? Balance=$253.00, Payment=$12.65, Unpaid Balance=$12.63, Interest Rate per Month=1.6%, Interest= , New Balance=
June 25, 2014

Art
value is the lightness or darkness of a color
May 11, 2014

chemistry
20.70 ml of .42 M HClO4 is required to neutralize .966g of an unknown base. Find the molar mass of the base .
May 7, 2014

physics
An archer standing a horizontal distance d=50m away from a tree sees an apple hanging from the tree at h=12m above the ground. The archer chooses an arrow and prepares to shoot. The arrow is initially 1.5m above the ground. Just as the archer shoots the arrow with a speed of ...
November 12, 2013

College Physics
Find the magnitude of the magnetic flux through the floor of a house that measures 21m by 13m . Assume that the Earth's magnetic field at the location of the house has a horizontal component of 2.4×10−5 T pointing north, and a downward vertical component of 4.3...
February 21, 2013

math
that's not the answer. its how to get her to 12 is 9 more than 3 that equals 15
February 4, 2013

math
THANK YOU by the way!
February 4, 2013

math
That is my thought but how do I pose the question? I took a deck of cards for counters and tried to figure out how to go about it.
February 4, 2013

math
I need help teaching my 2nd grader how to come up with the answer. Easy for an adult..difficult to explain to a child. I am thinking of 2 numbers who sum is 15. One of the numbers is 9 more than the other. Got the 12 plus 3 part. Help me explain it in its simplest terms
February 4, 2013

Intro to Physics
You have to divide the volume by 1000
November 7, 2012

chemistry
describe step by step, how will you prepare 10 mL of 0.020 M HCL from the 0.050 M solution?
October 7, 2012

science
how has the process of natural selection helped to produce organisms which posses specific adaptions to help them survive in their environment?
October 4, 2012

math word problems
Container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container B will contain A is poured into container B. What fractional part of container B will contain sand?
September 8, 2012

Social Studies 30
I do not pretend you to make my homework I am asking for HELP. I already asked in websites and they told me to look in homework forum.
October 13, 2011

Social Studies 30
Which characteristic(s) of collectivism do you think are most important to Canadian society? Competition, cooperation, private property, rule of law, common good, self-interest, economic equality, collective norms, freedom, collective interest, individual rights, collective ...
October 13, 2011

chemistry
What is the percent by mass concentration of KCl in a solution prepared by adding 80 grams KCl to 200 grams of water?
October 11, 2011

Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)
September 17, 2011

Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)
September 17, 2011

Spanish
i need help with my homework. i'm supposed to form sentences using indirect object pronouns and the present tense of the verbs, but i keep getting the answers wrong i do not know what i'm doing incorrect. 1.Carmen y Sofía / mostrar / las fotos / a Milena *my ...
August 31, 2011

Intro to Statistics
A sample has n = 9 scores and an SS = 216. What is the variance for this sample?
April 19, 2011

spanish
la hija tiene hambre... the child (female) is hungry (: is this what you are asking for?
April 2, 2011

7th grade
is y=x/7 a direct variation????
December 6, 2010

criminal justice 240
CheckPoint: Drug Use and Delinquency Response Write a 200- to 350-word response answering the following questions according to the journal articles: o What are the main reasons of youth drug use? o How does drug use relate to delinquency?
November 12, 2010

trigonometry
is to prove an identity
October 18, 2010

trigonometry
how to solve sin 4x= cosx(4 sinx - 8 sin ^3x)
October 18, 2010

physics
Romeo is tossing pebbles at Juliet's window and wants the pebbles to hit the window gently, with only a horizontal component to their velocity, as they hit the window. He is standing at the edge of a rose garden 4.5m below her window and 5.0m from the base of the wall...
October 6, 2010

Physics
You toss a coin straight up into the air. Sketch the velocity-time and acceleration-time graphs of the coin from the instant it leaves your hand until the instant it returns to your hand. Assume that the positive y direction is upward. Indicate on your graph the moment when ...
September 29, 2010

English: Ms. Sue
Ms. Sue you've helped out in the past haha maybe you can help me again :D we learned about objective and subjective opinions authors may have today and although I got every other question, I can't seem to figure out the following three: tell the objective and ...
August 24, 2010

English
I'm sorry I don't think I'm following. I re-read the sentences and it's obv that the answers aren't meant to be clear, but I'm finding it hard to distinguish the difference. am I supposed to separate the sentences "in half" with a part being ...
August 24, 2010

English
we learned about objective and subjective opinions authors may have today and although I got every other question, I can't seem to figure out the following two: tell the objective and subjective opinion in each statement and list if the subjective opinion is explicit or ...
August 24, 2010

college physics
Three glass Christmas balls become electrically charged when Noel removes them from the packaging material in their box. Noel hangs the balls on the tree 0.2m apart at an angle of 60 degree from each other. If each ornament has aquired a charge of 2 x 10^-10C, What is the ...
July 31, 2010

college physics
Three identical charges (q = +5.0mC) are along a circle with radius of 2.0m at angles of 30, 150, and 270 degrees. What is the the resultant electric field at the center?
July 31, 2010

college physics
A ray of light traveling in air strikes the midpoint of one face of an equiangular glass prism (n = 1.50) at an angle of exactly 30 degrees. a)Trace the path of the light ray through the glass, and find the angle of incidence of the ray at the bottom of the prism. b) Will the ...
July 31, 2010

college physics
The deepest section of ocean in the world is the Mariana Trench, located in the Pacific Ocean. Here, the ocean floor is as low as 10,918m below the surface. If the index of refraction of water is 1.33, how long would it take a laser beam to reach the bottom of the trench?
July 31, 2010

college physics
What is the speed of light moving through a medium of index of refraction 2.45?
July 31, 2010

college physics
As wavelengths decreases, energy _____.
July 31, 2010

college physics
Light may be considered to travel as a ________ or a ________.
July 31, 2010

physics
The deepest section of ocean in the world is the Mariana Trench, located in the Pacific Ocean. Here the ocean floor is as low as 10,918m below the surface. If the index of refraction of water is 1.33, how long would it take a laser beam to reach the bottom of the trench?
July 31, 2010

physics
what is the speed of light moving through a medium of index of refraction 2.45?
July 31, 2010

physics
As wavelength decreases, energy ?
July 31, 2010

Physics
light may be considered to travel as a ? or a ?
July 31, 2010

Physics
how do you solve for amplitude?
July 31, 2010

East hem.
When did Rome become a republic?
May 25, 2010

chemistry
a solution that is 0.170 M in sodium formate (HCOONa) and .200 M in formic acid (HCOOH)
January 8, 2010

ethics
what are some methods sociologists use to measure prejudice
January 7, 2010

math
The answer would be 4 45+45+45+45+30=210 since 30 is the flat, its not considered an hour.
November 20, 2009

Science - Physics
Count the teeth in the front and rear gears in speeds 1, 5, 6 and 10 for a ten-speed bike. Record your data in the table and figure the ISA (speed advantage) and the IMA (mechanical advantage)for each speed. (The diagram shows a rear gear with 34 teeth and front gear with 52 ...
April 16, 2009

college biology
____________ are distributed throughout the body, making up the monocyte-macrophage system or reticuloendothelial system.
February 24, 2009

science
if the spectrum of a star indicates that the star shines with a red light, approximately what is the surface temperature of the star?
October 2, 2008

math
because 24005 is a bigger number than 8999
September 18, 2008

math
they r both rare lol jk idk
September 18, 2008

interm. algebra
factor completely: x^2 + 2xy + y^2 − 2xz − 2yz + z^2 i dont kno wat 2 do at all???!!!!???
September 18, 2008

intermediate algebra
wat about the 2's????
September 18, 2008

intermediate algebra
factor completely: x^2 + 2xy + y^2 − 2xz − 2yz + z^2
September 18, 2008

Calculus
shouldnt u put it in as (1/1)-x im not sure but try dat
September 18, 2008

Spanish
i am 15 years old i am very good thank you i am jannie gooden
September 16, 2008

inter algebra
solve: 4x+1/6 + 2x-3/5 = 4/15
September 16, 2008

inter algebra
solve: 4x+1/6 + 2x-3/5 = 4/15
September 16, 2008

intermediate algebra
solve: 3/4x + 2/5 - x =3/10
September 16, 2008

Spanish
it says your friend doesnt know how to get to school from your house. Give full addresses using mandates affirmative relatives
September 16, 2008

intermediate algebra
yes factoring and thanx!
September 16, 2008

intermediate algebra
x^2−2xy+y^2−9
September 16, 2008

Espanol
it says your friend doesnt know how to get to school from your house. Give full addresses using mandates affirmative relatives
September 16, 2008

12th grade government/economics
what margin is required to choose the president?
August 24, 2008

12th grade government/economics
If no candiate for the presidency wins a simple majority of the total number of electoral votes, what body has the power to choose the president?
August 24, 2008

12th grade government/economics
what are two ways that amendments to the constitution can be ratified?
August 24, 2008

12th grade government/economics
what are two ways that amendments to the constitution can be proposed?
August 24, 2008

12th grade government/economics
The Constitution specifies a three-fourths marjority for just one process. what?
August 24, 2008

Chem
all matter is made of tiny particles. atoms are neither created nor destroyed in chemical reactions. atoms of different elements combine in whole number ratios, with more than one ratio being possible for a given combination of elements. each element is made of a different ...
May 13, 2008

Algebra 1
I need help to this mathe problems... 1.Elimination using Multiplication x-5y=0 2x-3y=7 Find the value of x in one equation. x = 5y Then substitute that value for x in the second equation. Solve for y, then find the value of x. Insert both values into the equations to check ...
May 14, 2007

PLEASE HELP SOLVE RIDDLE
What travels from here to there and has been all around the world but never leaves its corner?
March 23, 2007

U.S History
Hey, I have a research paper for my college U.S History class and I'm having the hardest time thinking of a topic! It can be about absolutely anything that is correlated with U.S history. I'm sort of interested in World War II, and the Andrew Jackson era. But then ...
March 6, 2007

math
Boris gets an 8% commission on every car he sells.Last week, he made a commission of $1,240.What was the price of the car he sold? Do a proportion: 8% is 8 over 100 or: 8/100 and you know his commision is commision over the price. his commision is 1240, and you dont know the ...
February 25, 2007

chemistry.
The concentration of hydrogen sulfide, H2S, in hot springs is relatively high. This accounts for the rotten-egg smell around the "mud pots" in Yellowstone National Park. The solubility of hydrogen sulfide in water at 25 degrees Celsius is 0.0932 M at 1.00 atm. If the...
February 20, 2007

Science
Similar cells work together in a ___________ which is part of an__________ which is part of a _____________.?? http://web.jjay.cuny.edu/~acarpi/NSC/14-anatomy.htm What are the male reproductive structures that carry sperm to the testes and the external environemt
January 16, 2007

Economics
Upper Slobbovians smoke 10 million cigarettes per year, so do Lower Slobbovians. To discourage smoking, each country imposes an excise tax of 50 cents per pack. As a result, the price of cigarettes rises by 35 cents in upper Slobbovia, but only by 15 cents in lower Slobbovia ...
September 21, 2006

algebra 1
find the complement and the supplement ofeach angle measure 1)130 2) 11 3) x,(x+20) http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut33_geom_ans.htm 72+27a+a2
August 21, 2005

algebra 1 help
fin the complement and the supplemnt of the angel measure 1) 130 complement-40 suplement-50 or vice versa if anyone can help me with some algebra work it would be greatly appreciated i am im algebra 1 and still on the second quarter and have until november to finsh thank you ...
August 20, 2005

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