Saturday

February 25, 2017
Total # Posts: 572

**Algebra**

I don't even know where to start with this problem... i'm supposed to simplify it but i don't get how, please help! 12e^x / e^4x I would really appreciate the help, thank you!

*April 20, 2011*

**Algebra**

ok i need help simplifying this problem. please :) 5e^x/6e it looks similar to this 5e^x ____ 6e Thanks!

*April 20, 2011*

**statistics**

At a church bazzar they have a game of chance that consists of picking a two digit number(0-9).You can bet 1$ by picking a two digit number if you match two numbers you win 25$ if you match one the numbers in the same order you win 3$ if you bet 24 and 42 comes up you lose,but...

*April 19, 2011*

**Algebra**

OK THANKS!

*April 10, 2011*

**Algebra**

Thanks. What does that symbol mean? and how do i write it?

*April 10, 2011*

**Algebra**

Perform the indicated operation and state the domain. Let f(x)=x-1 and g(x)=x+1 f(x) - g(x) Heres my work (x-1) - (x+1) x-x=0 and -1-1=-2 Answer =-2 because the x's cancel each other out. How do i find the domain when there is no x in the answer?

*April 10, 2011*

**physics**

hkgfffc

*April 6, 2011*

**algebra**

use the Substitution Method. Please give it a try. y = 3x + 4 5x + 3y = 12 Why is the substitution method preferred in this case?

*April 5, 2011*

**chemistry**

0.03125M

*March 30, 2011*

**Physics**

100.32

*March 29, 2011*

**physics**

what is the prarticle diagram for the thermite reaction?

*March 27, 2011*

**math**

how do you solve: -3y=3x-9 and 2x-4y=12 and -3x=2y

*March 15, 2011*

**math**

wow thanks rieny :)

*March 7, 2011*

**math**

rieny that doesent make sense it cant be.

*March 7, 2011*

**math**

im in grade 4 i don't know what that is

*March 7, 2011*

**math**

the floor of a room is a rectangle. it has a perimeter of 22m and an area of 24 square meters. what are the length and width of the room?

*March 7, 2011*

**physics**

Speedometer readings are obtained and graphed below as a car comes to a stop along a straight-line path. How far does the car move between t = 0 and t = 14 s?

*February 22, 2011*

**AM I RIGHT?**

Ok i have done some more reading, and i get the feeling it was bad. Because it isolated the people from the rest of the Eastern EMpire? But i have to write an entire essay on this topic? what else can i say?

*February 13, 2011*

**World History**

There's too much information, my brain cant process it all. But i get the feeling it was good??

*February 13, 2011*

**World History**

What influence did the Mongol's Golden Horde have on the development of the Russian Empire? (Good or Bad?)

*February 13, 2011*

**World History**

Yes it does have to do with the Byzantine Empire because that's what we are studying right now...

*February 13, 2011*

**World History**

Well if you look at its geographical location does it seem like a lot of people would come there? (this is why i posted this Q, it doesnt make sense)

*February 13, 2011*

**World History**

Why is there such a wide diversity of people in Eastern Europe? What are some of the origins of these diverse groups?

*February 13, 2011*

**math**

slope = (y2-y1)/(x2-x1)=(8-0)/(-2+2) =8/0= infinity

*February 12, 2011*

**Calculus BC**

Find the volume if the region enclosing y=2x, y=0, x=3 is rotated a)about the y-axis b)about the line x=3 c)about the line x=4.

*February 12, 2011*

**geometry**

given: chord AB is parallel to chord CD prove if two chords of a circle are parallel, the two arcs between the chords are congruent. Prove: arc AC is congruent to arc BD

*February 7, 2011*

**banyan elementary**

Samantha has 7 tomato plants in 12 rows. How many tomato plants does she have? Solve using multiplication equations

*January 19, 2011*

**math**

i'm sorry i left out one part. "A rectangle is 4 times as long as it is wide. A 2nd rectangle is 5 centimeters longer and 2 centimeters wider than the first. The area of the second rectangle is 530 square centimeters greater than the first. What are the dimensions of ...

*January 13, 2011*

**math**

A rectangle is 4 times as long as it is wide. A 2nd rectangle is 5centimeters longer and 2 centimeters wider than the first. what are the dimensions of the original rectangle?

*January 13, 2011*

**math**

i have no idea how to do this...

*January 13, 2011*

**reading**

What is the Antonym for the word RECIPE?

*January 12, 2011*

**dressmaking**

there are mistakes in those answers, I just did this test. here the correct answers 1. B (reference for study book 042014 PAGES 34, 35) 5. C (reference for study book 042014 PAGES 25-27)

*January 12, 2011*

**math**

rectangle A has length 12 cm and width 6 cm and while rectangle B has llength 8 cm and width 5 cm .find the ratio of the size of and angle of A to the size of an angle of B

*January 7, 2011*

**Physics**

How much time is needed for 5.0 N force to increase the speed of a 0.248 kg object from 12 m/s to 56 m/s?

*January 6, 2011*

**Physics**

How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?

*January 6, 2011*

**Physics**

How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?

*January 6, 2011*

**Physics**

How much time is needed to completely stop a 1600 kg car moving at 35 m/s if an average force of 4200 n is applied?

*January 6, 2011*

**Calc**

1. For what value(s) of x is f(x) = (x-1) / (x^2 - 1) discontinuous? 2.) f(x) = (1)/(x^2) is continuous for all real numbers EXCEPT: a. x=0 b. x=1 only c. x=1 and x=-1 d. x=-1 only e. x=2

*December 19, 2010*

**English**

What are some main points of rising action in the Scarlet Ibis?

*December 15, 2010*

**Math**

Find the equation that represents all of the points that are three times as far from (6,6) as they are from (2,0)

*December 14, 2010*

**interesting log problem**

sounds quite right to me. thanks!

*December 12, 2010*

**interesting log problem**

log base 2n 1944 = log base n (486* (2)^1/2) find n^6

*December 12, 2010*

**Math hw**

A corporation has 24 shareholders holding 4140 shares. The founder of the company retains 50 % of the companies shares. The remaining shares are equally divided among his 23 grandchildren. By the company's articles of incorporation, the voting weight for each partner is ...

*December 9, 2010*

**Math help**

A corporation has 30 shareholders holding 2900 shares. The founder of the company retains 50 % of the companies shares. The remaining shares are equally divided among his 29 grandchildren. By the company's articles of incorporation, the voting weight for each partner is ...

*December 9, 2010*

**Calculus**

is the region bounded by x=0? if no, then it is in fact infinite... if yes, then: 1) find the points of intersection. they are x = 1/2 and x = 0. 2) take the integral of pi*(4x^2)^2 from 0 to 1/2.

*December 9, 2010*

**7th grade**

i need help with social stuides describe islam in the 600's

*December 8, 2010*

**Interger Science**

Calculate the free-fall acceleration of a 20 kg bag of salt.

*November 23, 2010*

**physics**

A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 19 N at an angle θ = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the right.)

*November 18, 2010*

**english**

we're the one and only primo exemplary, boisterous in a fun groove and rapturous in our own fascinating way. check parallelism???? tnx

*November 15, 2010*

**Math**

Thank you!!!

*November 9, 2010*

**Math**

Is it how?

*November 9, 2010*

**Math**

A tropical water lily doubles in size each week. If it takes 60 weeks for the plant to completely cover a pond, when will half the pond be covered?

*November 9, 2010*

**8th grade math**

the lesser of two consecutive even intergers is 10 more than one-half greater. Find the intergers

*October 4, 2010*

**math**

five 150ml cans of perfrct prt dog food $1.26. twelve 400ml cans of doggies love it for $7.38. ten 150ml cans of rover's chow for $2.60. six 400ml can of man's best forend for $3.94. Which pet food should ms.jones buy? explain in as many differnt ways as possible??

*September 9, 2010*

**language arts**

The rules require that each contestant make his or her own kite. What is the simple subject word?

*August 25, 2010*

**arithmetic**

i have difficulties understand what this means... numerals seventeen tens and twelve ones can u help

*August 20, 2010*

**art**

Give two reasons why jackson pollack's style of painting is considered important?

*April 25, 2010*

**ryme**

what rhyes with candy

*April 16, 2010*

**practice book**

ok thank youso much

*April 15, 2010*

**practice book**

grt rid of the double negatives you sure its too hard a life?

*April 15, 2010*

**chemistry**

energy level

*April 15, 2010*

**accounting**

create a balance sheet for this company from May 1 to August 31.Deposit$1000,$600 loan,August 31-balance of checkbook=$690,$400 supplies,Owe employees$1900.00+$200more,$600 for 6 month lease in advance,$300 repair bill,$300 trailor for equipment,$460 withdraw for owner. Need ...

*April 10, 2010*

**chemistry AP**

You have to design a buffer based on one of the systems below System 1: HA1 and A1-1 K= 4 E-3 System 2: HA2 and A2-1 K= 5 E-4 System 3: HA3 and A3-1 K= 6 E-5 For the following parts assume that the buffer above in system2 has been constructed with [HA] =1M and that there is no...

*March 28, 2010*

**chemistry AP**

You have to design a buffer based on one of the systems below System 1: HA1 and A1-1 K= 4 E-3 System 2: HA2 and A2-1 K= 5 E-4 System 3: HA3 and A3-1 K= 6 E-5 For the following parts assume that the buffer above in system2 has been constructed with [HA] =1M and that there is no...

*March 27, 2010*

**chemistry AP**

methyl red has the following color changes red 4.2 -8.3 yellow a)write the ionic equilibrium equation b) If a small quantity of methyl red is placed in a solution with a pH of 4.5 . calculate the approximate value of [In]/[HIn]. What colour would be observed on the basis of ...

*March 27, 2010*

**ALGEBRA**

I NEED help on the following problem can some one help me please and thanks 5x-y+z= 8 2x+2y-3z= 28 x-3y+2z= -15

*March 18, 2010*

**MATH**

can some one please help to solve this problem. Add. reduce to lowest terms, if possible 3/y+3+y+7-y-9+/7/y-3

*March 17, 2010*

**math**

if 9th term of an A.P is 0.prove that its 29th term is double the 19th term.

*March 4, 2010*

**math**

if 9th term of an A.P is 0.prove that its 29th term is double the 19th term.

*March 4, 2010*

**chemistry**

1. PV=nRT Par(1L)=(0.035mol)(0.0821)(25+273) =0.856 atm 2.Ptotal = Par + Pethane Pethane= 1.00atm-0.856atm = 0.144atm

*March 1, 2010*

**science**

Are there any questions on earth that haven't been answered or are to compicated for scientists to get to or understand?

*March 1, 2010*

**4th grade**

For solid the particles stay together you can compare that to best friends that stick together. For Liquid the particles move and start going everywhere, compare that to friends. For gas the particles move really fast and some go out because they are moving too fast why don&#...

*March 1, 2010*

**science**

Which class are you in???

*March 1, 2010*

**MGT Business**

What are the implications of "compare and contrast" techniques used in the workplace?

*February 18, 2010*

**5th grade**

what can you tell me about Amerigo Vespucci?

*November 22, 2009*

**Math**

The deck in hopes backyard is round. It has 5 posts evenly spaced around the edge to support a trellis. For her birthday party, she wants to connect each post to all the other posts with crepe-paper streamers. How many streamers will she need?

*November 22, 2009*

**visual**

What comment is Billy Wilder making with the reversal of sexual stereotypes in Some Like it Hot.?

*October 21, 2009*

**rounding decimals to the greatest number**

what is the greatest no. thatcan be rounded to the nearest ten tho usand

*October 1, 2009*

**3rd grade math**

Write in expanded form 17,045 17,000 + 40 + 5 ? is this right

*September 29, 2009*

**Algebra 1A**

one more than one-fourth the square of a number x is y

*September 26, 2009*

**science**

okay

*September 3, 2009*

**science**

an experiment where only one variable is changed and all others are kept constant

*September 3, 2009*

**science**

thanks

*September 3, 2009*

**science**

i found it thanks also what are science subjects and their definitions

*September 3, 2009*

**science**

okay thanks and how about 25 tools used by scientists and tell what they are used for

*September 3, 2009*

**science**

what is 25 science careers with their definitions

*September 3, 2009*

**science**

okay what are devices that increase the five senses' abilities to obtain information

*September 3, 2009*

**science**

hypothesis

*September 3, 2009*

**science**

thanks whawt is a proposed answer to a question

*September 3, 2009*

**science**

i cant find it

*September 3, 2009*

**science**

thank you umm what is the variable the experimenter changes

*September 3, 2009*

**science**

whats is an organized plan to solve problems

*September 3, 2009*

**General Chemistry**

.702

*September 1, 2009*

**math**

Tell whether the events are independent or dependent. Explain. selecting a compact disc from a storage case and then selecting a second disc without replacing the first.

*June 13, 2009*

**Math**

yes

*June 13, 2009*

**Math**

Two coins are tossed in order. What is the probability of getting a head on the first coin and then getting a tail on the second coin?

*June 13, 2009*

**Math**

Two dice are rolled. Find the probability that an even number is rolled on one die and an odd number is rolled on the second die.

*June 13, 2009*

**earth science**

What evidence do astronomers use to detect black holes? please help and thank you :)

*May 31, 2009*

**science**

Can you please tell me where is the sun in our galaxy? Also, some binary stars are called eclipsing binaries. Explain why this term is appropriate. (it gives a hint, saying: think about Algol as you come up with an answer.) I don't get it... Please help :) Thank you very ...

*May 30, 2009*