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April
Questions Asked on
April 14, 2007
The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 29°C the air gap between the rods
2 answers
asked by
Mary
5,345 views
Please tell me where i went wrong.
During an all-night cram session, a student heats up a one-half liter (0.50 10-3 m3) glass
1 answer
asked by
Mary
4,373 views
a force of 10 pounds is required to stretch a spring of 4 inches beyond it's natural length. assuming hooke's law applies, how
1 answer
asked by
david
2,213 views
Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string with a speed of 11
0 answers
asked by
COFFEE
2,182 views
please settle a bet with a friend. I say all these statements are true about homologous chromosomes but my friend says they are
2 answers
asked by
Hollie
1,366 views
Q.1:What would a drummer do to make the sound of a drum give a note of lower pitch?
a.hit the drum skin with a larger force.
1 answer
asked by
Candy
1,333 views
Verify the identity:
tanx(cos2x) = sin2x - tanx Left Side = (sinx/cosx)(2cos^2 x -1) =sinx(2cos^2 x - 1)/cosx Right Side = 2sinx
0 answers
asked by
Ashley
1,242 views
The speed of a runner increased steadily during the first three seconds of a race. Her speed at half-second intervals is given
0 answers
asked by
Christina
1,238 views
The length of a rectangle is 2 times its width and its perimeter is 42 cm. A ssquare is formed by putting together 2 rectangles
0 answers
asked by
kyle
1,217 views
An indicator has the reaction
HIn(aq)<-->+In-(aq). Explain how the indicator can change color when a strong acid is poured into a
0 answers
asked by
Chrissy
1,186 views
If secx = 8 and -pi/2 < x < 0, find the exact value of sin2x
Use the identity sin 2x = 2(sinx)(cosx) if secx = 8, then cosx = 1/8
0 answers
asked by
Ashley
1,162 views
how much .10M Base (in mL) is needed to neutralize 8.00mL of .10M Acid?
base- NaOH, acid- HCl, base volume (mL)- ? base- NaOH,
0 answers
asked by
Christine
1,147 views
is plot the same as a conflict?
Thank you for using the Jiskha Homework Help Forum. No, they are not the same but one is not much
0 answers
asked by
april13
1,137 views
Q.1:When a force is applied to a body,several effects are possible.Which of the folloeing could NOT occur?
a.The body speeds up.
0 answers
asked by
Candy
1,103 views
Can you help with this question?
Dietay assessment can provide useful information about: A. a child's eating pattern B. physical
0 answers
asked by
Patty
1,052 views
A stone was dropped off a cliff and hit the ground with a speed of 160 ft/s. What is the height of the cliff?
Take the free fall
1 answer
asked by
Jessica
979 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers "c" that
0 answers
asked by
Julia
918 views
Compute delta(y) and dy for the given values of x and dx=delta(x)
y=x^2 , x=8 , delta(x)=0.5 Delta(y)= ??? dy = ??? I got dy=8 by
0 answers
asked by
Julia
831 views
Still having problems here. Can the character be the plot of poem?
No. The plot is the story told. It can evolve around a
0 answers
asked by
april13
814 views
I need a thesis statement for my research paper on The Place de la concorde.How can I do that?
http://www.indiana.edu/~wts/pamphl
1 answer
asked by
margie
809 views
Hello
I'm in grade 9 and i still get confused with the expressions and how to make then in maths although i'm queit very bright !
0 answers
asked by
QA
801 views
If cosx = 10/19 an pi < x < 2pi, find the exact value of cos x/2
Use the double angle formula. Cos 2Y= sin^2 Y - cos^2Y =
0 answers
asked by
Ashley
740 views
* I posted this before, but I left out the equation, sorry.
A company estimates that the marginal cost (in dollars per item) of
0 answers
asked by
Sam
739 views
Can you please help?
The teacher is concerned about Tom. He often appears easily frustrated, quick to anger,agressive towards
0 answers
asked by
Keisha
720 views
what is the clinical importance of doing the amino acid sequence determination
Since this is not my area of expertise, I searched
0 answers
asked by
angel
717 views
what is and aorta and were is it
http://www.google.com/search?q=aorta&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sour
0 answers
asked by
tamra
715 views
sketch the curve using the parametric equation to plot the points. use an arrow to indicate the direction the curve is traced as
0 answers
asked by
Sammy
683 views
For the parametric curve defined x=2t^3-12t^2-30t+9 and y=t^2-4t+6 ..find dy/dx and then where is the tangent to the curve
0 answers
asked by
Sammy
682 views
find the equation for an ellipse that satisfies the following condition
Vertices at (-3,1) and (9,1) one focus at (7,1) I will
0 answers
asked by
Kelly
675 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers "c" that
0 answers
asked by
Julia
660 views
aamaesneadsiainnacedgthteohkhmecy
* it's 9 words long * it has to do with sports * it rhymes those are my clues....please help..
0 answers
asked by
megz
645 views
Y^3Y/Y^-2
If you post with the correct word in the Subject line, you'll usually get help faster. Y^6 Move the denominator to the
0 answers
asked by
terry
641 views
Why does the constituition allow the federal government to levy taxes?
I've looked in my book and i got parts of the
0 answers
asked by
jon
616 views
A common flaw in calorimetry experiments to determine the molar enthalpy of solution is to have a mass of solute that is
0 answers
asked by
bob
615 views
A car braked with a constant deceleration of 45ft/s^2 producing skid marks measuring 55 ft before coming to a stop. How fast was
0 answers
asked by
Julia
596 views
Calculate the speed of the pulse from the following:
y(x,t) = 2/((x - 3t)^2 + 1) Well the speed of the pulse is given by: y(x,t)
0 answers
asked by
COFFEE
595 views
A video games price was 90$. The store offered 10% discount. How much did a costumer pay if there was a 8% sales tax on the
0 answers
asked by
Anonymous
591 views
hi, i need help solving this trigonometric equation:
sinx+3cosx=0 i don't know what to do as i can't just diviide the two to
0 answers
asked by
elle
591 views
Is this right:
Solve: x^2+16x+60=0 this is what i did: i used the quadratic formula and this is what i ended up with. x = -8 +-
0 answers
asked by
jasmine20
590 views
dy/dx=(1+Lnx)y and if y=1 when x=1, then y=?
i know i have to find the integral by multiplying dx to the other side and bringing
0 answers
asked by
Anonymous
582 views
the poem I have to use is about a shepherd asking someone to be his love and live with him. He goes on to state things he'd like
1 answer
asked by
april13
578 views
what's the pH of
the acid HCl with concentration of .15? the acid HC2H3O2 with concentration of .15? I figured out the pH of HCl,
1 answer
asked by
Christine
575 views
hi
I'm confused with this question it says Using a trial and improvement method, slove the following equataions giving your
1 answer
asked by
Flamingo
573 views
Was Richard Wagner ever commited into an insane asylum?
Thank you for using the Jiskha Homework Help Forum. Here are some bios on
0 answers
asked by
april13
556 views
Middle ear infections can result in
a conductive hearing loss. A person who experiences this type of impairment is likely to have
0 answers
asked by
Brandie
549 views
Which word sounds better to use in this sentence?
You are the coolest person I ever met. OR You are the coolest person I ever
0 answers
asked by
Mack
546 views
what kind of story could you wright about saint joan of arc
You could write about the visions she saw. You could also write about
0 answers
asked by
Ana
541 views
Determine whether the sequence A(n)=nsinn/n^3 converges or diverges. Eplain why it does or does not converge. It is converges
0 answers
asked by
Kelly
537 views
is this correct?
solve: 9x^2=14 this is what i did: i divide 9 by both sides x^2=1.6 is this first step right Then take the
0 answers
asked by
jasmine20
535 views
What is the impact of electronic commerce on the entire United States legal system? Describe the impact of e-commerce on the
1 answer
asked by
Tim
533 views
I need help can someone help me get unstuck and let me know if i am correct.thank you.
solve by completing the square.
0 answers
asked by
jasmine20
519 views
Susan finished typing 1/9 of an article in the first houe and finished 1.4 of the remaining in the second hour. she then typed
0 answers
asked by
Anonymous
511 views
x = (-5 +/-�ã85)/10
do you mean -0.5 or -5 is this right? solve by using the quadratic formula: 5x^2+5x=3 i get: x= -0.5
0 answers
asked by
jasmine20
507 views
2(n-5) = 4 (n+2)
Solve the equation is the answer -0.3 ? 2(n-5) = 4 (n+2) Solve the equation is the answer -0.3 ? If the intent
0 answers
asked by
asa
501 views
Can you help me to fill in the blank to
this sentence? Molly is an older 4-year-old and her teacher is concerned about her
0 answers
asked by
Keisha
488 views
Hi, I really need help on this question, I'm stuck.
Lake View Middle School is having elections for Class President. Shawn has
0 answers
asked by
Robert
487 views
Lead poisoning is a concern for
someone living in rural areas,new homes, or in older homes? Isn't it a concern for someone living
0 answers
asked by
Letha
460 views
how can the interactions between the earth systems affect the climate??
any one help me i don't knw where to start and i need to
1 answer
asked by
angel
457 views
speaking from an evolutionary standpoint, would you say
mitosis preceded meiosis or meiosis preceded mitosis or synapse preceded
0 answers
asked by
Melissa
422 views
Topic being the linearization (finding the equation of the tangent lines), how do you determine if it's overestimate or
0 answers
asked by
Jin
411 views
7k^2-6k+3=3
7k^2-6k+3=3 7k^2 - 6k = 0 7k^2 = 6k 7k = 6 k = 6/7
0 answers
asked by
am
313 views
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