Wednesday
March 12, 2014

# Posts by jamie

Total # Posts: 691

physic
1)a pitched ball is hit by a batter at a 45 degree angle and just clears the outfield fence,98m away. assume that the fence is at the same height as the pitch and find the velocity of the ball when it left the bat. 2)an arrow is shot at 30.0 degree above the horizontal. it vel...

PHYSICS
Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3

Math
8 Children divided 32 apples. Kitty took 1 apple, Mary took 2, Sherrie took 3 and Caroline took 4. Bob SMITH took as many as his sister, Ken Brown took twice as many as his sister, Jim Jones took 3 times as many as his sister and Tom Robinson took 4 times as many as his sister...

Physics
A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt) *d for derivative

social studies
Who was the commander of the United States during the Civil War?

math
One Hundredth is what? A.centi- B.dec- C.gram D.liter E.meter F.milli-

math
If 7y-2x-5,then x=?

american lit ap
what is the tone of the scarlet letter and where can i find a quote from the book?

Algebra
Great! Thank you. Pretty much I really only need help on the circles and that other post below (the one that hasn't been answered) and then I should be done- Finally!=)

Algebra
I don't know how I got 68. Would this be correct: a= 280in squared? Or am I still off?

Algebra
Please look over- 1.) Find the area of a rectangle in which the base measures 20 centimeters and the height is half the length of the base. My Answer= area= 200cm squared 2.) Find the area of a parallelogram in which the height measures 14 inches and the base measures 6 inches...

Algebra- circles
Thanks.

Algebra- circles
So then, : Would the radius be 6? Would the area be 354.9456? or 113.04?

Algebra- circles
On my paper, there's a circle drawn inside of a square, whose side length is 12. I have to find diameter, radius, area, area in terms of pi, ... For the diameter first of all, would it be 12? Or do I have to subtract? Thanks.

Algebra
Oh ok, so 2*48=96, and 96-30= 36, divided by 2 is 18. Got it, thanks so much.

Algebra
Now this next question I unfortunately don't get at all: ~Chow Li is planting a border of 48 seedlings that will completely surround a rectangular garden plot. He wants to plant the seedlings 2 feet apart. If the garden plot is to be 30 feet long, how wide should it be?~ C...

Algebra
Ok thank you!=)

Algebra
Oh, I didn't know you couldn't do that, but it makes sense to me now. So, I think the answer would then be 30000ft squared.

Algebra- Ms. Sue...
I have to go offline now, but I just want to tell you thank you SO much for all of your help. I really appreciate it. I understand it so much more. I will probably come back on Jiskha tomorrow to finish up. Thanks again!=)

Algebra
Oh, thank you so much!=)

Algebra
If anyone could please just look these over: The given measures are the perimeters of squares. Find (a) the length of a side and (b) the area of the square. Perimeters: 1.) 20 cm 2.) 100mm 3.) 4ft 4.) 2in 5.) 2.8m My answers: 1.) a- 5cm b- 25cm squared 2.) a- 25 mm b- 625mm sq...

Algebra
Ok, great! Thanks very much! Um, also, I have a few more questions regarding Algebra. Would you prefer me to post them as new questions or continue on after this on this same post?

Algebra
Ok, so then does this look correct? -Find the area of a triangle in which the base measures 8.5 centimeters and the height measures 3 centimeters less than the base.- My answer: Area= 23.375cm squared (if you would like, I could show my work) Thank you so much!

Health
Oh, thank you so much! Very helpful! I appreciate it!

Health
What diet do you find to be best for you? Could you tell me about it?

Health

human biology
I need some information on the nephron and H+ ions. My book just has it in a diagram, but the diagram talks mostly about the K+ ion relationship. Can someone just give the gist of the H+ relationship with the nephron? thanks Since this is not my area of expertise, I searched G...

algebra
The equation h = -16t^2 + 112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow toreach a height of 180 ft. put in for h 180 ft, factor (y...

algebra
solve and check the equation for x. I just can not figure this out. 5/x+6 + 2/x^2+7x+6 = 3/x+1 Thanks! Use parentheses to tell us whether you mean 2/(x^2 + 7x + 6) or 2/x^2 +7x +6 and also whether you mean (3/x) + 1 or 3/(x+1) and also (5/x)+6 or 5/(x+6) also go to myalgebra c...

health
can anyone find me a chart or something that tells me the average weight that a girl a certain height should be? thanks I'm waiting for it to load. Hold on Body Mass Index Chart Calculate your body Mass Index BMI

physics
3.201 kg of gold in rock Therefore rock is 89.67% gold

math
What is the lowest numberthat has a remainder of 1 when divided by 2 and a remainder of 2 when devided by 3 and a remainder of 3 when divided by 4 and a remainder of 4 when divided by 5? The answer is 59. There is a general method for solving such problms, but in this case you...

math
what is the lowest number which is divisible by 1,2,3,4,5,6,7,8 and 9? Go to: http://www.helpwithfractions.com/least-common-denominator.html And apply method 2 It works very well.

health
I think drinking to subside pain runs in some familes. When it happens with one parent.. then now with the other, is it safe to say its a family thing or just an everybody thing? Can someone give me some insight? Do you mean drinking as in alcholic? Alcoholics will drink at an...

Personal Finance-Mathe
Sue and Tom Wright are assistant professors at the local university. They each take home about \$40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen are 13 and 11. Were either one to die, they estimate that the remaining family...

English
How can readers distinguish between prejudicial and non-prejudicial use of rhetorical devices? Here's a previous answer to this question. Posted by Ms. Sue on Tuesday, June 27, 2006 at 6:03pm in response to CREATIVE WRITING. This question has been asked and answered here s...

COLOR THEORY
I NEED HELP WITH THIS TEST.....

personal finance
Sue and Tom Wright are assistant professors at the local university. They each take home about \$40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen are 13 and 11. Were either one to die, they estimate that the remaining family...

conditioning
is obesity an inherited gene No. The tendency of Americans to become obese, and even morbidly obese, has shown up markedly in the last two generations. If it were inherited, it could be to an evolutioary case of "survival of the fittest", which obviously is not the ...

music
how many steps would you have to go to translate from french horn to trumpet, for example if a trumpet is playing a C what would that be in horn Thank you for using the Jiskha Homework Help Forum. The French Horn is in the key of B flat and F while a Trumpet is usually B flat,...

science
I need to know about the wind patterns, tides/high and low,or upwelling for the north sea,irish sea,and the bay of biscay Thank you for using the Jiskha Homework Help Forum. Here is what I find: 1. http://gpc.edu/~pgore/Earth&Space/GPS/waves-currents-tides.html 2. http://gpc.e...

are all banks part of the federal reserve system? As Fedaral reserve system is considered as the leader of the banking system in U.S.A, all banks are resposible to to the Federal reserve system. But they not treated as the branch of the federal sytem

What happened when the governmant deregulated the banking industry? Check these sites. http://www.phil.frb.org/education/history/history_of_Banking8.html (Broken Link Removed)

Language Arts
What goes in a conclusion paragraph? http://nutsandbolts.washcoll.edu/ending.html http://grammar.ccc.commnet.edu/grammar/composition/endings.htm http://leo.stcloudstate.edu/acadwrite/conclude.html from http://leo.stcloudstate.edu/catalogue.html =)

science
what is the difference between a theory and hypothesis? I got this off another site i hope it helps.. Scientific Laws, Hypotheses, and Theories Lay people often misinterpret the language used by scientists. And for that reason, they sometimes draw the wrong conclusions as to w...

Physics
A shell is shot with an inital velocity of 20m/s at an angle 60 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment whose speed is immediately after the explosion zero falls vertically. How far from the g...

Physics
A 0.165kg cue ball with an inital speed of 2 m/s bounces off the rail in a game of pool. For x and y axses located the counce reverses the y component of the ball's velocity but does not alter the x component(the angle is 30 in the negative x axis and it bounces across the...

Physics
A 75 kg man on a 39kg cart traveling at a speed of 2.3 m/s. He jumps off with zero horizontal speed realative to the ground. What is the resulting change in the speed of the cart? I tried using m1v1=m2v2 but that didn't work out since I was expose to get 4.4 m/s as the ans...

Physics
A luggage handler pulls a 20kg suitcase up a ramp inclined at 25 degrees above teh horizontal by a force F of magnigutde 145N that acts parallel to the ramp. The coefficient of kinetic friction between teh ramp and the incline is .30. If the suitcase travels 4.6 m along the ra...

calc
Why would fZ(x) =2x^3 on [-1,1] fail to satisfy the conditions of the Mean Value therorm? It is continuous and differential. So what is wrong with it I can't figure it out. I agree with you. The theorem should apply for that "fZ" function over that interval. Is t...

calculus
Let f be a function defined by f(x)= arctan x/2 + arctan x. the value of f'(0) is? It's 3/2 but I am not very clear on how to obtain the answer. I changed arctan x/2 into dy/dx=(4-2x)/(4sqrt(4+x^2)) but that's as far as I got. Could you please show me how to solve ...

Calc
a) y =ln(x-1) find dy/dx=? b) y=3 ln x - ln (1/x) where x >0, dy/dx= ? My teacher says the answers are a) (2x)/(x^2-1) and b) 4/x I am not sure how you find the derivative when they involve ln. Could you please explain to me how to get these answers? I have a quiz on them s...

physics
A 30g bullet with a horizontal velocity of 500m/s comes to a stop 12 cm within a solid wall. a) what is the change in its mechanical energy? b) What is the magnitude of the average force from the wall stopping it? a) what would I use of the equation? Can you please explain wha...

physics
A 12 kg block is released from rest on a 30 degree fricitonless incline. Below the block is a spring that can be compressed 2 cm by a force of 270 N. The block momentarily srops when it compresses the spring by 5.5 cm. a) How far does the block move down the incline from its r...

physics
A 1.5 kg snowball is fired from a cliff 12.5m high with an inital velocity of 14 m/s directed 41 degrees above the horizontal. a) how much work is done on the snowball by the gravitaitonal force during its flight to the flat ground below the cliff? b) what is the change in the...

physics
A small block of mass m can slide along the frictionless loop-the loop. The block is released from rest at point P, at height h =5R above teh bottom of the loop. How much work does the gravitational force do on the block as teh block travels from point P to a) point Q (which h...

Physics
What is the spring constant of a spring that stores 25 J of elastic potential energy when compressed by 7.5 cm from its relaxed length? I know that I should chnage 7.5 cm into .075 m. Is this equation correct? U(x)= 1/2kx^2. I should have gotten 89N/cm for the correct answer b...

Physics
You drop a 2 kg textbook to a friend who stands on the ground 10m below the testbook with outstreatched hands 1.5m above the ground. a) how much work W_g is done on the textbook by the gravitational force as it drops to your friend's hands? b)What is the change in the grav...

calculus
Let f(x) = (x+1)/(x-1). Show that there are no vlue of c such that f(2)-f(0) =f'(c)(2-0). Why does this not contradict the Mean Value Theorem? I plugged 2 and 0 into the original problem and got 3 and -1 . Then I found the derivative to be ((x-1)-(x+1))/(x-1)^2. Whould wou...

Organic chemistry!!!Need helpp!!!
1. Consider the effect of water concentration on rate of the reaction in water and acetone. WOuld you predict that the rate would be greater or less in the presence of a higher concentration of water? Explain your answer, using the structure of the transition state. 2. Conside...

Organic chemistry!!!Need helpp!!!
1. Consider the effect of water concentration on rate of the reaction in water and acetone. WOuld you predict that the rate would be greater or less in the presence of a higher concentration of water? Explain your answer, using the structure of the transition state. 2. Conside...

Math
For two consecutive integers, the sum of the smaller and twice the larger is 38. What are the integers? Plz explain. Thanks 2(a+b)=38 Therefore: a+b+(2(a+b)=38 a+b+2a+2b=38 3a+3b=38 3(a+b)=38 I got as far a here. I dont know if this helps. My last stop may be worng. This might...

Opinion needed plz!!
Is the algebraic model more better to use than the systematic trial model? Why?? thanks When it comes to algebra it depends on what is easier for you.

the scarlet letter genre
it is a romantic drama

Math
how to do a sub n=n+1 over 4 12+6=

Owen
How to do a+d=f

grammar
Although heated in the microwave, I found the center of the pizza cold.

phys.
Hey, i feel kinda embarassed asking this because it looks so simple. a mass of 300kg which is positioned 1000m above the ground is allowed to fall to the ground. what will be its velocity on impact? Use the basic velocity formula. Initial velocity is zero; solve for final velo...

Physics
Use the definition of scalar product( vector A* vector B = abcos theda and the fact that vector A * vector B = axbx+ ayby+azbz to calculate the angle between the two vectorgiven by vector A= 3i + 3j + 3k and vector B= 2i + 1j + 3k. The book said the answer is 22 degreess but I...

physics
Vector A has the magnitude of 12 m and is angled 60 degrees counterclockwise from the positive direction of the x axis of an xy plane. Also vector b = 12i + 8j on that same corrdinate system. We now rotate the system counterclockwise about the orgin by 20 degrees to form a new...

Physics
Vector a has a magnitude of 5 m and is directed esast. Vector b has a magnitude of 4 m and is directed 35 degrees west of north. What are the (a) magnitude and (b) the direction of vector a + vector b? What are the (c)magnitude and (e)direction of vector b - vecotr a? (f) Draw...

Physics
The two vectors a and b have equal magnitudes(on an x-y plane vector a is 30 degrees from the x axis then vector b is 75 degrees from the head of vector a it is heading towards north west) of 10m A)find the x component of their vector sum r B)find the y component of their vect...

Identifying controls and Variables
control-group b imdependant-group a

thank you live experts
hey jiskha live experts i just wanted to thank you for all the help. you guys are the best! by the way, I will try to learn more English, thanks! Many thanks. Thanks for posting.

Chemistry
The population of San Francisco is 750,000 in an area of 49 square miles. What is the population density in San Francisco? Express your answer in people per acre. ( 1mi(squared) = 640 acres ) 49 sq mi x (640 acres/1 sq mi) =?? acres. (Note that sq mi cancels leaving acres.) de...

Algebra
How do you get the vertex of this absolute value? y = -2 |4x - 1| + 16 By vertex you mean the highest point. Find out where the expression inside the absolute value is 0. Since the absolute value is always positive, in this expression some quantity is being subtracted from 16....

algebra 1
if you go from one point to the other do you subract the a and b or do you do all points in between to find the elevation? I'm not sure what this question refers to. Are you trying to calculate slopes?

English/European history
In Machiavelli's, The Prince, what does Machiavelli consider the ideal economy? The ideal economy, according to Machiavelli, is one in which there is little or no taxation. Thus the public is free to prosper as much as he or she desires, without any concern that the govern...

History
How is Southern, Middle, and New England colonies devided? Where is an area known as "tidewater" VA? Since this is not my area of expertise, I searched Google under the key words "Southern middle New England colonies" to get these possible sources: http://w...

English
what could be some reasons to why abstract language is used? One reason is that the concept that is being dealt with is abstract. They cannot be sensed directly as can apples, grasshoppers and bricks. Concepts like freedom, evil, beauty, truth and love are abstract. I hope thi...

Math
how do you solve for y in the expression: x^3=y(y+3)? x^3=y^2 + 3y y^2+3y- x^3=0 Using the quadratic formula.. y= (-3+-sqrt(9+4x^3) )/2

English
the question asks me to describe the writer's style (serious, sarcastic, etc.) what could be some other answers to this question? Style has to do with HOW writers use words and sentences, as well a how they construct sentences, paragraphs, etc. Style can be formal, informa...

Algebra
Solve for s: h=(square root of 3)times s/2 and solve for h V= (pi)r squared h / 3 Solve for s: h=(square root of 3)times s/2 Multiply both sides by 2. 2h = (sqrt 3)*s*2/2 which cancels the 2 on the right. 2h = (sqrt 3)*s Now divide the right side by everything except what you...

Algebra
Could someone please help me find x in this problem and explain how you got the answer? 2(3x - 1) = 5 - (x + 3) I checked the answer I got in the back of my algebra book and it said the answer was 4/7 but my answer was wrong. How did they get 4/7 out of this? 2(3x - 1) = 5 - (...

orientalism of muslim and arab american
LOL... Same school. Same question. Same problem. Different year ;-)

orientalism of muslim and arab american
LOL... Same school, same question, same issue!!! Different year ;-)

Ethnics
Not my email.. my user name.. tried to do my email, to be found easier, but the site prevents it.. Anyways.. Good luck everyone!! YEA UOP!!!!

Ethnics
LMAO! Soo Hilarious! Another Ethnics Student from AXIA!! YAY!! Thanks for all the help, I read the dang chapter and had like 100 words already on how one could measure prejudice but I was trying to find out more of an correct answer through the chapter. LMAO! Anyways, feel fre...

ICT
I need to write an essay to explain 'why companies use logos'. Help me. Companies' logos help sell their products. Long before they can read, small children recognize the McDonald's big M and know that it means hamburgers and treats. Think about other logos you...

ICT
help i need to write an essay explaining 'why companies use logos'. yours sincerely, Jamie

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