Jk
Most popular questions and responses by Jk
precalculus
find an hyperbola equation with foci (0, +/8) and asymptotes; y=+/1/2x?
asked on April 16, 2015 
chemistry help
A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. B. How many moles of NaOH were
asked on April 1, 2015 
English
1. A place that has experienced a cataclysm has a. diminished in size b. grown green and lush c. suffered violent change *** d. begun to give off rays of light 2. In which of the following sentences is the word conceivable used correctly? a. Your goal of
asked on October 30, 2018 
Math
What is the best estimate for the sum of 3/8 and 1/12?
asked on March 27, 2019 
chemistry
A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. A. what volume of 0.35 M NaOH was
asked on April 1, 2015 
English
Vinegar (by Roger McGough) sometimes i feel like a priest in a fish and chips queue quietly thinking as the vinegar runs through how nice it would be to buy supper for two (1967) Poem for Roger McGough (by Adrian Henri) A nun in a supermarket standing in
asked on December 11, 2011 
math
Sam bought a new car for $26,500. The car depreciates approximately 13% of its value each year. A) What is the decay factor for the value of this car? b) Write an equation to model the decay value of this car? c) What will the value of the car be in 10
asked on June 27, 2014 
chemistry
a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25 degrees. This solution was then titrated with 0.2 M NaOH. The equivalence point was reached when 35.72 mL of 0.2 M NaOH was
asked on April 1, 2015 
Math
What is the value of the digit 9 in the number 597,184?
asked on March 26, 2019 
math
A ferris wheel is 35 meters in diameter,and can be boarded at ground level. The wheel turns in a counterclokcwise direction, completing one full revolution every 5 minutes. Suppose that a t=0 you are in the three o'clock position. Write a formula, using
asked on August 13, 2010 
Math
What is the quotient of 396 divided evenly by 12?
asked on March 27, 2019 
chemistry help
a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25 degrees. This solution was then titrated with 0.2 M NaOH. The equivalence point was reached when 35.72 mL of 0.2 M NaOH was
asked on April 1, 2015 
English
What words are articles?
asked on March 27, 2019 
Math
What is the value of the following expression?
asked on March 27, 2019 
COLLEGE CHEMISTRY HARD
calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E5 idek how to do it?
asked on March 28, 2015 
english
Vinegar (by Roger McGough) Poem for Roger McGough (by Adrian Henri) sometimes A nun in a supermarket i feel like a priest standing in the queue in a fish and chips queue Wondering what it’s like quietly thinking To buy groceries for two. as the vinegar
asked on December 11, 2011 
Math
What is the value of the expression? 30  (5 x 4) + 2
asked on March 27, 2019 
chemistry
calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E5 idek how to do it?
asked on March 28, 2015 
Science
How does earths rotation cause day and night?
asked on February 13, 2019 
chemistry
In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after
asked on April 1, 2015 
chemistry
Where is an electron in 3Py orbital most likely to be found and where does the probability it vanish?
asked on December 26, 2013 
Math
Three angles of a quadrilateral are in the ratio 1:2:3. The sum of the least and the greatest of these angles is 200°. Find all the four angles of the quadrilateral.
asked on August 23, 2017 
math
sinx+ siny/ (cosx+cosy)= tan 1/2 (x+y) prove this identity
asked on August 13, 2010 
chemistry
calculate the pH after 0.02 mol NaOH is added to 1.00 L of .1 M sodium propanoate NaC3H5O2
asked on March 29, 2015 
chemistry
calculate the ph at the equivalence point for the titration of .1 M NH3 and .1 M HCl. kb NH3= 1.8E5 how you do it?
asked on March 28, 2015 
chemistry help
In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after
asked on April 1, 2015 
precalculus
find the eccentricity to identify the conic, then sketch the conic and its directrix r=1/1cos theta r=2/3+2 sin theta r=4/12 cos theta
asked on April 22, 2015 
precalculus
find the eccentricity to identify the conic, then sketch the conic and its directrix r=1/1cos theta r=2/3+2 sin theta r=4/12 cos theta
asked on April 22, 2015 
math  exponent laws
evaluate (11/17^10/(9/5)^(1/10) answer from Reiny: (11/17)^10 = 1/(11/17)^10 = 77.725... (I stored that in A on my calculator) (9/5)^(1/10) = 1.0605.. so (11/17^10/(9/5)^(1/10) = 77.725... /1.0605... = 73.28837824  do we need to reciprocal
asked on February 10, 2015 
precalculus help
Let z1=2(cos 2pi/3+isin 2pi/3) what are z1^(1/3)? do not even know how to apply demoivre theorem?
asked on March 31, 2015 
SUPER HARD CHEMISTRY
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point
asked on March 28, 2015 
HARD COLLEGE CHEMISTRY
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
asked on March 28, 2015 
Chemistry
How many moles of oxygen atoms are contained in 1.86 x 102 mol CuSO4·5H2O
asked on March 22, 2011 
chemistry
what products would form after hydrogenation of 2methyl1butene? after halogenation (cl2)?
asked on April 26, 2015 
enlgish
Last night, lucy and Neil met Morey in Gramercy Park. 1. The object of the verb is.? 2. the predicate of the sentence is?
asked on September 2, 2009 
chemistry
what products would form after hydrogenation of 2methyl1butene? after halogenation (cl2)?
asked on April 26, 2015 
precalculus
use the discriminant to determine whether the equation is a parabola, an ellipse, or a hyperbola. Then identify the angle of rotation required to eliminate the xyterm. x^2+4xy+y^2=1 5x^26xy+5y^28x+8y8=0 9x^2+24xy+16y^2=25
asked on April 22, 2015 
Physics (mechanics)
A ucontrol airplane of mass m is attached by control wires of length L and negligible mass to the "pilot" who controls the lift provided by the wing FL. The wires control the plane's elevator or angle of attack. The plane's engine keeps it moving at
asked on July 9, 2013 
math
Each student in a class contributed as many paise as number of student in the class.teacher contributed rs 13 to make total collection of rs 49.how many students were in the class?
asked on May 27, 2017 
precalculus
eliminate parameters of x=1+cos t y=1sin t graph the parametric equations
asked on April 22, 2015 
Understanding percent
In the square, if part A is 1/4 of the square and part C is 1/10 of the square, what percent of the square is part B?
asked on March 27, 2012 
math
It takes 3/8 cup of powdered drink mix to make 1 quart of a flavored drink. The table shows the number of cups of powdered drink mix that Juanita has of each flavor. How many quarts of flavored drink can Juanita make for each flavor?
asked on April 4, 2018 
precalculus
how do you eliminate the parameters for x=1t^2 and y=1+t?
asked on April 22, 2015 
precalculus
algebraically identify the symmetries of r=2sin(2theta)
asked on March 31, 2015 
precalculus
Let z1=2(cos 2pi/3+isin 2pi/3) what are z1^(1/3)?
asked on March 31, 2015 
chemistry
PH of gatorade and body sweat
asked on March 29, 2015 
college chemistry HARD
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
asked on March 28, 2015 
chemistry
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
asked on March 28, 2015 
easy math
√(100  20√5 + 5 + 15  6√15 + 9) solve.
asked on March 31, 2015 
precalculus
Let u= and v= A. what is the angle between u and v? B. find projvU C. reoslve u into u1 parallel to v abd U2 perpendicular to v.
asked on March 31, 2015 
Math
angles ABC and XYZ are complementary angles. if m < ABC is 18 more than three times m < XYZ, find < XYZ i have no idea how to do this i know that something has to equal 18+ 3m but i don't understand the (
asked on June 15, 2014 
english
I consider that cosmetic surgery is a personal option but in some cases it becomes a bad addiction because expand this please
asked on January 19, 2016 
AP chemistry
what products would form after hydrogenation of 2methyl1butene? after halogenation (cl2)?
asked on April 26, 2015 
precalculus
find a hyperbola equation with vertices (o,+4) and passes through the point (3,5)
asked on April 16, 2015 
precalculus
Let u have a length of 20 and direction of 60 degrees, and v= 5i3j what is u? what is abs(2vu)?
asked on March 31, 2015 
precalculus
Let z1=2(cos 2pi/3+isin 2pi/3) what are z1^(1/3)?
asked on March 31, 2015 
precalculus
Let u= and v= A. what is the angle between u and v? B. find projvU C. reoslve u into u1 parallel to v abd U2 perpendicular to v.
asked on March 31, 2015 
precalculus
Let u have a length of 20 and direction of 60 degrees, and v= 5i3j what is u? what is abs(2vu)?
asked on March 31, 2015 
physics
exercise 4.1 suppose the pilot start agin from rest
asked on March 17, 2013 
geometry
there are 4 cirlces in an equilateral triangle with sides equal to 16cm. what is the radius of the big circle and the little circles
asked on February 25, 2013 
math
2 Years before,average age of 8 numbers of family was 20yr.if present average of family even on inclusion of 1 child,remains same.present age of child is?
asked on May 31, 2017 
math
Distance between 2 villages A and B is 165km.a scooter rider starts from A to B at 75km at speed of 320km/hr.at the same time another scooter rider starts from B towards A at speed of 25km/hr.find when they will cross each other? ( 10 am)?
asked on May 26, 2017 
Maths
Find x such that the point (x,4) is 10 units from (2,2)
asked on February 3, 2016 
Algebra
For the function f(x) = 5/x+4 find the average rate of change of f from 1 to x:
asked on November 3, 2015 
MATH  exponent laws
how do you evaluated this? ()sign ↓ _ __________( 11/17)^10 line is divide (9/5)^1/10
asked on February 9, 2015 
physics
jk
asked on October 2, 2012 
Algebra 1
Nico drives from school to the store at 25 miles per hour. He drives back to the school (along the same route) at 35 miles per hour, and the returns to the store (via the same route) travelling at 40 miles per hour. Find the average rate for the three
asked on October 30, 2010 
French
Is "je suis allé souvent" correct or should it be "je suis souvent allé?" Thanks
asked on January 4, 2009

social studies
k
posted on May 28, 2019 
Health
Thank you 😘 all my jiskha helpers/fans!! BIG SHOUTOUT!! Too you all, love you guys 😍😚🙂!!!
posted on April 4, 2019 
Math
33
posted on March 27, 2019 
Math
12
posted on March 27, 2019 
Math
1/2
posted on March 27, 2019 
English
The, a, an
posted on March 27, 2019 
Math
Please thumbs up me!
posted on March 27, 2019 
Math
Please thumbs up me!
posted on March 26, 2019 
Math
90,000 is the correct answer. It is the best answer ever because it is the rightest.
posted on March 26, 2019 
Math
90,000
posted on March 26, 2019 
Math
1x3=3 3x4=12 2x3=6 6x4=24
posted on March 26, 2019 
math
280 miles Multiply by 40
posted on March 26, 2019 
geometry
1.cube that has 2x2x2cm 2.sphere that has a diameter of 2cm 3.cylinder that has a height of 2cm and diameter of 2cm Simply find the volume and surface area of each one.
posted on February 22, 2019 
educational technology
lol yes A B D is correct for all you Connexus users....lol dont listen to the rest of these aholes
posted on October 30, 2018 
English
Ok thx What about my other answers are they correct?
posted on October 30, 2018 
I need help!
someone helping u is 100%correct use his or her way
posted on April 9, 2018 
art
thnxs
posted on March 30, 2018 
identity theft
yup 100% b a a
posted on March 29, 2018 
english 11
no
posted on October 24, 2017 
geometry
T
posted on October 9, 2017 
Chemistry
799
posted on September 6, 2017 
Probability
27
posted on February 12, 2017 
Calculus
oi
posted on February 6, 2017 
10th grade algebra
5
posted on January 14, 2017 
science
21
posted on November 28, 2016 
Finance
102,857
posted on November 2, 2016 
Math
998
posted on November 1, 2016 
math
50
posted on August 16, 2016 
math
1.4 because u have to divide 5 divide 7.
posted on February 18, 2016 
Science
Thanks Kiki!!!!
posted on January 20, 2016 
Physics Help
velocity
posted on December 31, 2015