Gabriela
Most popular questions and responses by Gabriela
Math
The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet. (Write the equation) i've already tried to divide 126 by two which gave me 63 but i didn't know what to do with the 63.
asked on August 24, 2015 
calculus
Find the point P in the first quadrant on the curve y=x^2 such that a rectangle with sides on the coordinate axes and a vertex at P has the smallest possible perimeter.
asked on December 13, 2010 
Statistics
Exam Grades. A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below.) At á = 0.05, can it be
asked on April 17, 2013 
chemistry
Which solvent will dissolve more in given solute: 1. Ethylene glycol (HOCH2CH2OH) in hexane(C6H14) or H2O 2. Diethyl ether (CH2CH2OCH2CH3) in H2O or CH3OH? 3. NaCl in CH3OH or CH3CH2CH2CH2OH I know that like dissolves like. Therefore the molecules with the
asked on April 26, 2007 
Chemistry
Posted on April 12. From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 e7) times greater than the wavelength corresponding to the energy difference
asked on April 18, 2007 
Chemistry
I am really confused about polar and non polar molecules. I really don't understand how to know if something is polar or not. Or about bond polarity vs. molecular polarity (net dipole moment). Also, if it has a lone pair when you draw a lewis structure
asked on April 27, 2007 
social studies
what factors affect climate? name and describe one of the climate regions of the united states. read climate and people. then fill in the blanks. vocabulary.
asked on February 3, 2011 
Calculus URGENT test tonight
Integral of: __1__ (sqrt(x)+1)^2 dx The answer is: 2ln abs(1+sqrt(x)) + 2(1+sqrt(X))^1 +c I have no clue why that is! Please help. I used substitution and made u= sqrt(x)+1 but i don't know what happened along the way! Your first step was a good one.
asked on April 20, 2007 
Chemistry
From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 e7) times greater than the wavelength corresponding to the energy difference between a particular
asked on April 12, 2007 
chemistry
Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same temperature. Tell whether each of the following statements is true or false. Briefly explain your answer in each case. (a) There are more molecules of N2 present
asked on March 30, 2007 
math
Your friend is standing below the window outside of our classroom and attempting to throw a rock past the window to get your attention. The rock is thrown straight up in the air and passes our window 0.40s after being released. It passes the same window on
asked on February 21, 2014 
algebra
A candy cane 20 cm high has a circumference of 3 cm. The red “ribbon” makes exactly 4 complete turns round the candy cane while its two ends touch the cane's top and bottom. How long is the ribbon in cm?
asked on February 21, 2014 
Chemistry
From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 e7) times greater than the wavelength corresponding to the energy difference between a particular
asked on April 18, 2007 
math
Beth has 5base ten blocks. She has at least one of each type of block. The value of her blocks is greater than 140. What blocks could she have
asked on October 23, 2007 
calc
analyze the function ln x = cx^2 to find the unique value of c such that there is exactly one solution to the equation. to do this, find the value of c such that both sides of the equation have equivalent slopes at some point; this will give you a proper
asked on December 14, 2010 
chemistry
how do you predict the products of: (NH4)3PO4+ MgSO4> HI> Fe+o2> Fe+ MgO> HCl+ NaOH>
asked on March 7, 2011 
Calculus
How can I find the horizontal asymptote of: y=e^x/(2e^x+5) i know you have to do the limit as x approaches infinity... but that is about all i know... mulitply the numberator and denominator by e^x y= e^0/(2e^0 + 5e^x) y= 1/(2 + 5e^x) now, take lim as x
asked on April 30, 2007 
chemistry
calculate the molality of a solution that has 1.02kg sucrose C12H22O11 dissolved in 554g water?
asked on April 10, 2017 
chemistry
What is the molality of a solution composed of 25ml og toluene C6H5CH3 ( density=0.866g/ml) in 75 ml of benzene ( density=0.879g/ml)
asked on April 10, 2017 
language arts
i need to write an essay on why it is important to be obedient or to obey people or authority. i just don't have any ideas. help?
asked on March 24, 2012 
Math
OPENENDED:G
asked on August 27, 2008 
algebra1
im doing my summer homework & im a little confused on this one...please help me... What is the next term in the geometic series 16,4,1,1/4,..... a. 1/8 b.0 c.1/16 d.1/8 e.1/2
asked on August 27, 2007 
Chemistry
Are all/most organic compounds non polar? Not all, certainly. Many are nonpolar. Most, I don't know. It all depends upon how you define most. Acids, acid chlorides, amines, phenols, ketones, aldehydes, and the like are polar. There are a bunch of those
asked on April 26, 2007 
Biology (History?)
I'm actually writing an English paper within which I mention how humans attempt to find answers to nature even when technology is not sufficiently advanced to do so. In order for my paper to be accurate I was wondering: when did people in America discover
asked on March 28, 2008 
Math
what is 1944 in roman numerals?
asked on January 20, 2013

Science Help!!!!
Really? You really like the answer C xD.
posted on April 11, 2018 
Science Help!!!!
Thank you, Ms.Sue and Callie for the answers ;).
posted on April 11, 2018 
algebra
11
posted on February 1, 2017 
math
21.75
posted on March 29, 2016 
chemistry
ph= 11.2
posted on October 28, 2015 
4th grade
Gabriela, am I a rhombus
posted on October 14, 2015 
english
Can I get the answer for chaper 6
posted on February 20, 2015 
algebra 1
The ratio of the first sequence is 2.5 so the recursive formula is going to be an= 2.5(an1)
posted on May 22, 2014 
5th Grade Math Algebraic Expressions
what is the pattern and expression for n+10
posted on January 1, 2014 
simplex Method
X=12 y=6 P=78
posted on May 10, 2013 
math
i don't get it????
posted on April 8, 2013 
Math(Please help)
A=44degrees,14',28" B=50degrees,25'32" b=38.66
posted on December 6, 2012 
Social Studies
Three reason why the native American population decline when the Spanishmade contact with them
posted on September 26, 2012 
Science
la naturaleza de la cincia
posted on September 12, 2012 
3rd grade math
i have a plate that has an area is 36 inches and a perimeter of 24 inches. i want to buy a square cake to put on the plate. i want there to be a one inch border between the cake and the edge of the plate.What size cake should I order? What will the area
posted on May 10, 2011 
3rd grade math
8x9
posted on January 5, 2010 
world geography
WHERE IN THE ATLANTIC OCEAN WOULD AN EARTHQUAKE MOST LIKELY OCCUR?
posted on September 11, 2008 
Math
open ended:Give a reaworld quantity that the integer could represent. A.5 b.0 C.8 D.opposite of 7
posted on August 27, 2008 
S.A.T Math
yeah i guess that works to...lolsz
posted on August 27, 2007 
S.A.T Math
what don't u understand so i can explain it more??
posted on August 27, 2007 
Math
well... a 1 is always infront of the variable... so just add 1R+1R^2
posted on August 27, 2007 
french
SE TAISTOI
posted on August 27, 2007 
EnglishGrammar
# 2 SOUNDS CORRECT TO ME....
posted on August 27, 2007 
S.A.T Math
OR U CAN DO WAT BRIE SAID I TEND 2 TAKE THE LONG BUT SAFE WAY...LOLSZ...
posted on August 27, 2007 
S.A.T Math
It is like u are a owner of a store... when tony(x) starts you pay him $12.50 an hour for his first day & a half(36 hours) in every week & after that he gets paid $25.00 per hour... Elanie(y) gets paid $15.00 an hour for the first 40 hours she works for a
posted on August 27, 2007 
Math
do u mean your adding r + r squared??
posted on August 27, 2007 
ARAISININTHESUN
no problem......
posted on August 27, 2007 
ARAISININTHESUN
Yes, the reason agasis(i 4got his name cause i read this book last year) gives Betheatha that nickname Alaiyo, is because it means for one whom bread is not enough.... because in life she wants more than what was offered or regular for african americans in
posted on August 27, 2007 
algebra1
never mind......
posted on August 27, 2007