Sunday

January 22, 2017
Total # Posts: 1,839

**algebra 1 :(**

The height of a triangle is 8m less than the base. the area is 10m^2. Find the height and base. I really need help on just turning this word problem into an equation!

*December 11, 2007*

**factoring**

8xcubed minus 27

*December 10, 2007*

**economics**

what is the single most important source of revenue for national government?

*December 10, 2007*

**Math**

I do not understand how to solve this...please help me. 3-4x=10x+10

*November 28, 2007*

**algebra**

i don't understand how to simplify this 6A-7B+11-9A+6B-15

*November 28, 2007*

**history**

who controls the flow of fresh water in miami dade county?

*November 26, 2007*

**history**

who invented the drainage of south florida?

*November 26, 2007*

**history**

who built the levee's for the okeechobee lake?

*November 26, 2007*

**math**

what do you call a name that has only 2 factors?

*November 16, 2007*

**algebra 1**

THANK YOU!!!!!!!!!!! :D

*November 15, 2007*

**algebra 1**

sorry but on the last question i posted the wrong equation... (3x^2-8x+1)(-2x^2+x-2) I have heard of the FOIL process but i still tend to do the problems wrong...

*November 15, 2007*

**Algebra 1**

(3xsquared-8x+1)(-2xsquared+-2) (i wrotee squared because i don't know how to type an exponent) Please help me to understand the steps of this problem! I'm not sure if I add the exponents or multiply them...

*November 15, 2007*

**introduction to quantitaive methods**

the following model is often used to measure the spread of an infectious disease. suppose that at the beginning of period 1 the population consists of 5 diseased people. during any period, there is a 0.05 chance that a given infective person will encounter a particular ...

*November 14, 2007*

**Physics**

large bulk modulus

*November 13, 2007*

**life science**

need help on cell cycle

*November 4, 2007*

**Algebra II**

Use the matrix method to solve: x + 4y = 8 2x + y = 9 x = a0 y = a1

*October 29, 2007*

**science**

Does West Virginia have plains, where,and what are the sizes?

*October 22, 2007*

**algebra 1**

The sum of two integers is greater than 12. One integer is ten less than twice the other. What are the least values of the integer? how would you set up this problem???

*October 11, 2007*

**English**

just kind of want the general idea of what the second half of the poem is about. i want to be able to make my own interpretations of things and stuff. I just feel like i keep getting lost on the translation.

*October 8, 2007*

**English**

I don't understand this poem. Well, I understad the first part until she starts talking about the blood on her sheets and then I am lost. I have to do a presentation where I just talk about what the poem is about and then I have to ask the class some questions about it. I ...

*October 8, 2007*

**Science**

Is CO2+H2O= H2CO3 a balanced equation, How can you tell?

*October 3, 2007*

**ALGEBRA 1**

How would you go about setting up the following word problem? If you add one third of a number to the number itself, you get 48. What is the number?

*October 1, 2007*

**algebra 1**

If you add one third of a number to the number itself, you get 48. What is the number? ~Is 64 correct?

*October 1, 2007*

**algebra 1**

THANK YOU SO MUCH! now it makes sense!!!!!!!!!!!!!!!!!!!!!!!!!

*October 1, 2007*

**algebra 1**

I just don't know how to go about it. I have n + 2/5n = 56 but now what?

*October 1, 2007*

**algebra 1**

Thanks :) but now I'm stuck on actually finding out what the integers are :(

*October 1, 2007*

**algebra 1**

The sum of a number and 2/5 (two fifths) of itself is 56. What is the number? HOW IN THE HECK AM I SUPPOSED TO SET UP THIS EQUATION? PLEASE HELP... I AM DESPERATE!

*October 1, 2007*

**english**

whats a compound sentence for enunciate?

*September 19, 2007*

**Algebra 2**

x=2 y=2

*September 17, 2007*

**us history 2**

idont know anything about it

*September 16, 2007*

**us history 2**

do you think congress or the president of the time had the better approach to reconstruction?

*September 16, 2007*

**com215**

need to know what this assingment means; find an ethnic group to you personally and write about it. Does he want us to find our ethnic group or what?

*September 13, 2007*

**Chemisrty Lab**

Thanks for the help:) Just to be sure I did the math right-- 1> 14x180=2520 2520x4= 10080 10080 square inches = 70 square feet 2>14x14=196 196 x 2= 392 392+ 10080= 10472 10472square inches =72.72 Square feet= 6.76 square meters 3>14x14x180= 35280 cubic inches= 0....

*September 11, 2007*

**Chemisrty Lab**

dimensions of a concrete pile are 14 inchesx14 inches x 15 feet. (1 meter=3.28 feet) the pile has 4 faces and 2 ends. 1>what is the surface area in square feet, of a single pile? exclude the ends of the pile. 2>What is the total surface area in square meters including ...

*September 11, 2007*

**english**

i don't get this

*September 11, 2007*

**english**

i don't get this and i am in 6th grade

*September 11, 2007*

**Science**

Repeated Trails

*September 6, 2007*

**English**

What part of speech is "passion for excellence" in the following sentence? I think a noun. My granddaughter has a strong passion for excellence.

*September 3, 2007*

**algebra**

I need some help with some algebra problems please. I don't under stand how to do that following. Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given function. 1. f(x)=5x^2 2. f(x)x^2+3x+9

*August 30, 2007*

**Personal Finance**

If a good friend of yours has had serious financial misfortunes lately and is unable to meet her debt payments, what advice can you give? Be sure to include the topic of bankruptcy because she has heard that it eliminates all your credit problems. In your discussion, ...

*August 30, 2007*

**Personal Finance**

Nancy Tai has recently opened a revolving charge account with MasterCard. Her credit limit is $1000, but she has not charged that much since opening the account. Nancy hasn't had the time to review her monthly statements as promptly as she should, but over the upcoming ...

*August 30, 2007*

**Personal Finance**

Bernie and Pam Britten are a young married couple beginning careers and establishing a household. They will each make about $50,000 next year and will have accumulated about $40,000 to invest. They now rent an apartment but are considering purchasing a condominium for $100,000...

*August 30, 2007*

**algebra**

first you have to find the slope of the line by using the slope formula. you would do -2-3 over 4-(-1) the slope is 5/4 then you need to pluge the slope into slope intercept form y=mx+b

*August 28, 2007*

**algebra**

-5x<0 and 5x+6>-14 were doing and inequality and I cant get this one

*August 28, 2007*

**science**

Are all of these metric converstions right? 69.9(m)= 698(cm) 152.97(ml) = .15297(l) 42.67(l) = 42670(ml) 299.32(km) = 29932000000 nanometers 26(g) = .026(kg) 123.43(cg) = 1.2343(g) 75.2(l) = 75200(ml) 456.3(g) = 45630000 micrograms 4507.22(km) = 45072200000(ml) 0.00297456(kg...

*August 28, 2007*

**Pre Algebra**

10 x -- = -- 20 30 you need mutiply 10x30 and then you need to divde by 20 to get the value of x

*August 28, 2007*

**Algebra**

I know that the first answer is 1 but when your doing absolute value you have to have two solutions. so would the other solution be -23/7?

*August 28, 2007*

**Algebra**

Were doing Absolute value so the brackets you see are ment to be for absoulte value. 1/3[4p-11]=p+4

*August 28, 2007*

**science**

Just to make sure im right look at this and tell me if it is correct. 69.5 meters = 698 centimeters 152.97 milli. = .15297 liters 42.67 liters = 42670 milli. 0.00297456 kilo. = 2974560 nanograms

*August 28, 2007*

**science**

In science we are doing the Metric System and my teacher put done that if you move the decimal place to the right the value lowers. and if you move it to the left it rises. Is that true i always thought it was the other way around

*August 28, 2007*

**Math**

yes

*August 27, 2007*

**Math**

what do you get when you add: r+r(squared)

*August 27, 2007*

**Science**

Is the Control Group in an experiment the object you test on? or the object you don't test on?

*August 27, 2007*

**Math**

How do you solve this problem S=2brh+2br(squared) solve for h

*August 27, 2007*

**Science**

What is a control group, a indpendent variable and a dependent variable?

*August 27, 2007*

**Maths**

If you have a non right triangle that the three sides are given. The sides are a= 38, b=32 and c=40 andthe law of cosine must be used to find angle c what is the measure in degrees or degrees minuites seconds what is the measure of angle C.

*August 27, 2007*

**Anatomy and Physiology**

What is the name of the cell part that is "2 rod shaped bodies near the nucleau and Spins the mitotic spindle?"

*July 20, 2007*

**history**

education during 1619-1900 Thank you for using the Jiskha Homework Help Forum. Here is an answer another teacher gave to this same question: * history - GuruBlue, Sunday, June 3, 2007 at 5:45pm There is a wealth of material at these sites. http://historyeducationinfo.com/ http...

*June 10, 2007*

**science**

Do aliens and ufo's exist? If they do, do they visiit earth? The word "alien" means foreigner or someone different. In that sense, there are many aliens. Are there intelligent beings on other planets? We don't know. We have no scientific evidence of life on ...

*June 9, 2007*

**history 1**

How were the children and their education during 1619-1900? http://en.wikipedia.org/wiki/History_of_education http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=history+of+education&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&...

*June 3, 2007*

**history**

How was children and education during 1619-1900? There is a wealth of material at these sites. http://historyeducationinfo.com/ http://www.nd.edu/~rbarger/www7/

*June 3, 2007*

**MATHS-geometry**

how do you draw an obtuse angle triangle, construct the perpendicular bisector of each side Draw a triangle with one angle greater then 90 degrees. Find the midpoint of each side. Then draw a perpendicular to each side at each midpoint. The three lines may intersect OUTSIDE ...

*June 3, 2007*

**Math**

In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number cubes(six-sided dice). If the numbers match, the player wins five tickets. If a player plays this game 20 times, about how many tickets can he or she ...

*May 29, 2007*

**Chemistry**

1) Add HCl to precipitate silver ions as AgCl 2) Add H2SO4 to precipitate calcium ions as CaS04 3) Add H3PO4 to precipitate aluminum ions as AlPO4. 4) Evaporate water to get potassium ions.

*May 17, 2007*

**junior/senior projects**

i have until this friday to finish and its a graduation requiriment and i am not done can i have as much info on concession stands and the prices for food Only thing I can think of to do is to find different concession stands and their prices. Matt

*April 24, 2007*

**written communication**

plan for interview for a job you would like to have. Consider how you might manage the resume, job-application letter, follow-up letter, and interview. Create a table that lays out a day-to-day plan to use as a job aid for your employment search that spans 3 weeks. Please note...

*April 20, 2007*

**unscramble letters**

use the letters in nicole to make a new name

*April 19, 2007*

**chemistry**

Try adding more acetone... at least the same volume of the original solution or more... keep adding it and eventually you will see the top blue layer

*April 11, 2007*

**c programming**

how would you write a program that translates an alphabetic phone number into numeric form enter phone number: CALLATT 2255288 I was given a website for help. However, it didn't help. I would use a table lookup, for speed, do a binary search of the letters. Many other ...

*April 9, 2007*

**C programming**

how would you write a program that translates an alphabetic phone number into numeric form enter phone number: CALLATT 2255288 Thank you for using the Jiskha Homework Help Forum. Here are links about existing programs: http://www.freepatentsonline.com/7065385.html http://www....

*April 3, 2007*

**Math**

what are the answers to the following questions? 6n+16=26, n=? 8a-6=18 a=? -16-10n=24 n=? 18+14z=-6 z=? etc? show work please? 8a-6=18 a=? 8x?-6?18 8x3-6=18 the answer is 3 6n+16=26 6n=26-16 6n=10 10/6=1.6 n=1.6 -16-10n=24 10n=24+16 10n=40 40/10=4 n=4 18+14z=-6 14z=-6-18 14z=-...

*March 26, 2007*

**Honors Algebra II**

A runner and a walker begin on a track (oval shape) 1 mile in length at the same spot and depart in opposite directions. The runner goes steadily at 9 mph while the walker goes at a steady 3 mph. How long before they meet again? Show your work! Let the distance covered by the ...

*March 22, 2007*

**Physics-torques**

Suppose that a meter stick is balanced at its center. A 0.27-kg is positioned at 18 cm from the left end of the meter stick. Where should a 0.28 kg mass be placed to balance the 0.27 kg mass? Express your answer in terms of the position (in cm) of the 0.28-kg mass as measured ...

*March 20, 2007*

**Physics-Torques**

Suppose you have a meter stick with two masses attached. The mass m1 is 0.60 kg and it is located at x1 = 30 cm from the left (zero) end of the meter stick. The pivot point is located at x = 45 cm. The mass of the meter stick (mms = 0.40 kg) is located at its geometric center...

*March 20, 2007*

**Earth Science**

Please help me out with this question!: Explain how hurricanes form. http://en.wikipedia.org/wiki/Hurricane

*March 13, 2007*

**Physics**

ELECTRIC FIELDS AND EQUIPOTENTIAL SURFACES 1.what condition must exist to have a region of nearly uniform electric fields 2.where are regions of strongest and weakest electric fields located Nearly always, there are flat equipotential surfaces. There are exceptions to this. ...

*March 9, 2007*

**science**

What state of matter occurs during boiling? (solid, liquid, gas) gas...'cause the liquid boiling is evaporating? gas

*January 24, 2007*

**music**

trying to look for a 7 letter word using music notes cdeeffggaabb is this a damn trick question. best i can do is badge What about cabbage? you are a star, thank you so much

*January 24, 2007*

**Science**

A. speed

*January 23, 2007*

**Diff EQ**

is the integration of (x-2)^2 = 1/3(x-2)^3 Yes, that is correct.

*January 22, 2007*

**Finance**

Can anyone offer help to me by explaining how I can answer this question? The current rate on 5-year T-Notes is 7% and the current rate on 10-year T-Notes is 9%. What should you expect the rate to be on 5-year T-Notes in 5 years? I am not looking for the answer directly, just ...

*January 22, 2007*

**science**

what are the vegetable parts of a plant? i have no idea

*January 20, 2007*

**physics- torque**

If the torque required to loosen a nut on the wheel of a car has a magnitude of a 40.0 N*m, what minimum force must be exerted by a mechanic at the end of a 30.0 cm wrench to loosen the nut?

*January 13, 2007*

**math**

i need help on a proof, can anyone help? please HELP!!!! me on the difference between 3/4 and 1/3???????? You have to find the common denominator of 3 and 4, which can be 12. The first fraction becomes 9/12 and the second becomes 4/12. 9/12 - 4/12 = 5/12.

*January 2, 2007*

**math**

what is the proper name for a 5 pointed star with reference to a geometric name? pentagram the proper name for it would be pentagram!

*December 13, 2006*

**math**

Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than 1/50 of the sample to be defective. About how...

*December 13, 2006*

**pysics**

since mass and radius don't matter. Shouldnt the final velocities of a cylinder and a sphere at the bottom of the ramp be the same? No. You have to consider where the mass is. Calculate moment of inertia. See the problem you asked below. items dropped at different heights,...

*December 12, 2006*

**PHYSICS**

HOW DO YOU FIND THE VELOCITY OF A 20 kg SOLID CYLINDER WITH A .25 m RADIUS WHEN IT IS RELEASED FROM THE TOP OF A 10 m LONG RAMP INCLINED AT 30 DEGREES? The potential energy at the top is mg10/sin30 The Ke at the bottom is 1/2 mv^2, plus 1/2 Iw^2 but w= v/r so KE = 1/2 mv^2 + 1...

*December 12, 2006*

**physics**

(a) 2.0 kg of molten copper at its melting point of 1083 ºC (the copper is 100% liquid) is poured into a mold in a cooling water bath at 20 ºC. What mass of water is needed to bring the solidified copper and water to an equilibrium temperature of 30 ºC, ...

*December 11, 2006*

**physics**

An Atwood Machine has a pulley of radius Rpulley = 0.25m, and mass Mpulley = 6.0 kg with two blocks with masses m1 = 5.0 kg, and m2 = 10.0 kg. Treat the pulley as a uniform disk. a) Find the acceleration of each block. b) Find the angular acceleration of the pulley. c) Find ...

*December 11, 2006*

**Grammar**

In the following sentence: "These beginning songs are not my favorite part of the album, but I feel that each play an important role in the album." Would "play" have to be "plays." I know that each is a singular pronoun, but are we referring to ...

*December 11, 2006*

**geometry**

What geometric postulate justifies statement: if AB is congruent to CD and CD is congruent to EF, then AB is congruent to EF. Two geometric objects that are congruent to the same third object are congruent to each other.

*December 7, 2006*

**Science - Physics**

When a projectile is fired horizontally, which of the components of its motion is (A) motion at constatnt speed (B) uniformly accelerated motion (C) If the initial velocity of the projectile is increased, what effect will this have on the time it takes the projectile to fall ...

*December 6, 2006*

**physics**

A student sits on a freely rotating stool holding two weights, each of which has a mass of 3.00 kg. When his arms are extended horizontally, the weights are 1.00 m from the axis of rotation and he rotates with an angular speed of 0.750 rad/s. The moment of inertia of the ...

*December 5, 2006*

**math, calculus**

What is the antiderivative of the square root of the quantity (1+x^2) http://torte.cs.berkeley.edu:8010/tilu This lookup is very good.

*November 27, 2006*

**math, calculus**

if f(1)=12 and f' is continuous, what is the value of f(4)? integral from 1 to 4 of f'(x)dx = 17 IF the integral of f'(x) dx from 1 to 4 is 17, as you say, then the function f(x), which is the integral with an arbitrary constant, changes by 17 from 1 to 4. Then the...

*November 27, 2006*

**math, calculus**

find the derivative of the function y= integral from square root of x, to x cubed of (square root t * sin(t))dt

*November 27, 2006*

**math, calculus**

Use the MVT to prove: absolute value of (sin(a)-sin(b)) is less than or equal to the absolute value of (a-b) for all a,b

*November 27, 2006*

**physics**

A glider of mass m1 = 10.0 kg initially moving towards the right at a speed of v1i = 2.00 m/s on a frictionless airtrack collides with a spring attached to a second glider of mass m2 = 4.0 kg initially moving toward the left with a speed of v2i = 5.00 m/s. The spring constant ...

*November 26, 2006*

**science**

why does sedimentaray rock form in layers It was deopsited in layers. Please read: http://en.wikipedia.org/wiki/Sedimentary_rock

*November 20, 2006*