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
1. 2 answers
2. asked by Mary
3. 5,347 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. 1 answer
2. asked by Mary
3. 4,375 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. 1 answer
2. asked by david
3. 2,215 views
Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string with a speed of 11
1. 0 answers
2. asked by COFFEE
3. 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
1. 2 answers
2. asked by Hollie
3. 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. 1 answer
2. asked by Candy
3. 1,335 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
1. 0 answers
2. asked by Ashley
3. 1,243 views
The speed of a runner increased steadily during the first three seconds of a race. Her speed at half-second intervals is given
1. 0 answers
2. asked by Christina
3. 1,239 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
1. 0 answers
2. asked by kyle
3. 1,219 views
An indicator has the reactionHIn(aq)<-->+In-(aq). Explain how the indicator can change color when a strong acid is poured into a
1. 0 answers
2. asked by Chrissy
3. 1,186 views
If secx = 8 and -pi/2 < x < 0, find the exact value of sin2xUse the identity sin 2x = 2(sinx)(cosx) if secx = 8, then cosx = 1/8
1. 0 answers
2. asked by Ashley
3. 1,165 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,
1. 0 answers
2. asked by Christine
3. 1,150 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
1. 0 answers
2. asked by april13
3. 1,138 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.
1. 0 answers
2. asked by Candy
3. 1,103 views
Can you help with this question?Dietay assessment can provide useful information about: A. a child's eating pattern B. physical
1. 0 answers
2. asked by Patty
3. 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. 1 answer
2. asked by Jessica
3. 981 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers "c" that
1. 0 answers
2. asked by Julia
3. 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
1. 0 answers
2. asked by Julia
3. 832 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
1. 0 answers
2. asked by april13
3. 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. 1 answer
2. asked by margie
3. 809 views
HelloI'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 !
1. 0 answers
2. asked by QA
3. 801 views
If cosx = 10/19 an pi < x < 2pi, find the exact value of cos x/2Use the double angle formula. Cos 2Y= sin^2 Y - cos^2Y =
1. 0 answers
2. asked by Ashley
3. 744 views
* I posted this before, but I left out the equation, sorry.A company estimates that the marginal cost (in dollars per item) of
1. 0 answers
2. asked by Sam
3. 739 views
Can you please help?The teacher is concerned about Tom. He often appears easily frustrated, quick to anger,agressive towards
1. 0 answers
2. asked by Keisha
3. 721 views
what is the clinical importance of doing the amino acid sequence determinationSince this is not my area of expertise, I searched
1. 0 answers
2. asked by angel
3. 717 views
what is and aorta and were is ithttp://www.google.com/search?q=aorta&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sour
1. 0 answers
2. asked by tamra
3. 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
1. 0 answers
2. asked by Sammy
3. 686 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
1. 0 answers
2. asked by Sammy
3. 682 views
find the equation for an ellipse that satisfies the following conditionVertices at (-3,1) and (9,1) one focus at (7,1) I will
1. 0 answers
2. asked by Kelly
3. 677 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers "c" that
1. 0 answers
2. asked by Julia
3. 660 views
aamaesneadsiainnacedgthteohkhmecy* it's 9 words long * it has to do with sports * it rhymes those are my clues....please help..
1. 0 answers
2. asked by megz
3. 646 views
Y^3Y/Y^-2If you post with the correct word in the Subject line, you'll usually get help faster. Y^6 Move the denominator to the
1. 0 answers
2. asked by terry
3. 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
1. 0 answers
2. asked by jon
3. 618 views
A common flaw in calorimetry experiments to determine the molar enthalpy of solution is to have a mass of solute that is
1. 0 answers
2. asked by bob
3. 616 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)
1. 0 answers
2. asked by COFFEE
3. 597 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
1. 0 answers
2. asked by Julia
3. 597 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
1. 0 answers
2. asked by Anonymous
3. 592 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
1. 0 answers
2. asked by elle
3. 592 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 +-
1. 0 answers
2. asked by jasmine20
3. 591 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
1. 0 answers
2. asked by Anonymous
3. 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. 1 answer
2. asked by april13
3. 578 views
what's the pH ofthe acid HCl with concentration of .15? the acid HC2H3O2 with concentration of .15? I figured out the pH of HCl,
1. 1 answer
2. asked by Christine
3. 575 views
hiI'm confused with this question it says Using a trial and improvement method, slove the following equataions giving your
1. 1 answer
2. asked by Flamingo
3. 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
1. 0 answers
2. asked by april13
3. 556 views
Middle ear infections can result ina conductive hearing loss. A person who experiences this type of impairment is likely to have
1. 0 answers
2. asked by Brandie
3. 550 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
1. 0 answers
2. asked by Mack
3. 546 views
what kind of story could you wright about saint joan of arcYou could write about the visions she saw. You could also write about
1. 0 answers
2. asked by Ana
3. 541 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
1. 0 answers
2. asked by jasmine20
3. 537 views
Determine whether the sequence A(n)=nsinn/n^3 converges or diverges. Eplain why it does or does not converge. It is converges
1. 0 answers
2. asked by Kelly
3. 537 views
What is the impact of electronic commerce on the entire United States legal system? Describe the impact of e-commerce on the
1. 1 answer
2. asked by Tim
3. 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.
1. 0 answers
2. asked by jasmine20
3. 522 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
1. 0 answers
2. asked by Anonymous
3. 513 views
x = (-5 +/-�ã85)/10do you mean -0.5 or -5 is this right? solve by using the quadratic formula: 5x^2+5x=3 i get: x= -0.5
1. 0 answers
2. asked by jasmine20
3. 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
1. 0 answers
2. asked by asa
3. 501 views
Can you help me to fill in the blank tothis sentence? Molly is an older 4-year-old and her teacher is concerned about her
1. 0 answers
2. asked by Keisha
3. 489 views
Hi, I really need help on this question, I'm stuck.Lake View Middle School is having elections for Class President. Shawn has
1. 0 answers
2. asked by Robert
3. 488 views
Lead poisoning is a concern forsomeone living in rural areas,new homes, or in older homes? Isn't it a concern for someone living
1. 0 answers
2. asked by Letha
3. 461 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. 1 answer
2. asked by angel
3. 457 views
speaking from an evolutionary standpoint, would you saymitosis preceded meiosis or meiosis preceded mitosis or synapse preceded
1. 0 answers
2. asked by Melissa
3. 422 views
Topic being the linearization (finding the equation of the tangent lines), how do you determine if it's overestimate or
1. 0 answers
2. asked by Jin
3. 411 views
7k^2-6k+3=37k^2-6k+3=3 7k^2 - 6k = 0 7k^2 = 6k 7k = 6 k = 6/7
1. 0 answers
2. asked by am
3. 313 views

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