# Posts by Lala

Total # Posts: 399

**algebra**

Yes you got them all right, good job!

**Physics**

A lightning bug flies at a velocity of 0.25 m/s due east toward another lightning bug seen off in the distance. A light easterly breeze on the bug at a velocity of 0.25 m/s. What is the resultant velocity of the lightning bug? I drew the .25 east but would I draw the vector ...

**social study**

answer please

**algebra**

2(5-8n)= -4(3+4n)

**Subjects**

You Will get a bunch of homework

**Science**

16g of bone displaced a volume of 8mL of water.what is the density of the bone?

**Music**

I think you should do singing

**mathematical modeling**

Person A opens an IRA at age 25, contributes $2000 per year for 10 years, but makes no additional contributes thereafter. Person B waits untill age 35 to open an IRA and contributes $2000 per year for 30 years. There is no initial investment in either case. Asumming an ...

**physics**

a cyclist travel a distance of 4km from P to Q then moves the distance of 3km at right angle to PQ. find its resultant displacement graphically?

**u.s history**

in what movement does participate james weldon johnson and zora neale

**Physics**

a convex mirror has a focal length of -0.90m. An object with a height of 2.5m from the mirror. Could u help me please!! :D

**physics**

explain body is thrown vertically downward?

**Chemistry**

thankkkkk youuuuu it was right!!!:)

**Chemistry**

What is the unit cell of calcium sulfide? anti-fluorite cesium cholride diamond fluorite graphite rutile sodium chloride zinc blende

**world history**

why was the congo free state not able to make a profit in the early years?

**personal developmetn 20 Chapter 1**

establishment

**math**

what should you call a man with a clamp

**Matha**

There are 6 girls and 5 boys. The teachet chooses 2 students random. What is thw probability of selecting a girl then a boy?

**Math**

You toss tails and roll an even number ( when you toss a coin and roll a number cube) Find the probability. I thought It was 1/3 but I think that is wrong.

**World History**

i don't understand what it is asking

**World History**

what did the fascists and natizes advocate and how did they govern their states? (20th century)

**World History**

What events led up to the cold war? I have this so far please tell me what i need to add, I need real events... The u.s and britan tried to counter russia's manipulation of eastern Europe. In 1945 the U.s developed the atomic bomb. in 1947, the u.s proclaimed the marshall ...

**French**

google translate.

**Math- Algebra II**

SOLVE.. Please show the steps so I'll understand it 8^x-2=(1/16)

**Physics**

Suppose a crate of mass 2.8 kg is placed on the plank in the figure below at a distance 5.1 m from the left end. Find the forces exerted by the two supports on the plank. (The mass of the plank is 12.0 kg.) Left Support N Right Support N The plank set on two pivots one at 3.0m...

**college physics**

Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. Before the collision, one of the cars has a speed of 19 m/s along +x, and the other has a speed of 31 m/s along +y. The cars lock bumpers and then slide away together after ...

**college physics**

Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. Before the collision, one of the cars has a speed of 19 m/s along +x, and the other has a speed of 31 m/s along +y. The cars lock bumpers and then slide away together after ...

**Math**

Simlplify 1/(2x) - 3/(x+6)

**Math**

Factorize (x+2)^2 + x^2 +6x + 8

**SmartPhone Help**

no it wouldn't does the blackberry torch come from at&t or t-mobile? trying check the sites like (the official carrier's site and see if they have the blackberry torch. AT&T T-Mobile Verizon Wireless Sprint those are the most popular cellphone cariers.

**SmartPhone Help**

carrier means like (t-mobile, verizon) what company?

**Cuban culture**

I tried googling this and I can't find anything. What makes Batidos (Cuban milkshake) special in Cuba?

**math**

why did they try to build a house on orgo's head?

**Math- Algebra II**

Thank you so much!

**Math- Algebra II**

Please check if I did this right... √(2x+1)+7= 3 -7 -7 √(2x+1)= -4 Square everything √(2x+1)^2= -4^2 2x+1=16 -1 -1 2x=15 divide by 2 on both sides x=7.5 CHECK: (Plug it in) √(2(7.5)+1)+7= 3 √(16)+7= 3 4+7=3 11 doesn't equal 3 so the answer is ...

**geometry**

how do you find the lenght of the midsegment of a trapezoid when one base equals 21 and the other 17 ?

**business calculus**

composite funtions

**stoichiometry**

Lick balls.

**physics**

A clump of soft clay is thrown horizontally from 30.63 m above the ground with a speed of 30.0 m/s. Where is the clay after 3.8 s? Assume it sticks in place when it hits the ground

**Math**

Simplify 1/2x-3/x+6

**answer**

0 (4), 1(5)

**physics**

20 newtons

**Math**

thanks for the help

**Math**

y=-2x+1

**Math**

y=2/3x-1

**math**

eggs spear a mint

**math**

What were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks?

**math graphing the y-intercept**

solve for y set equation equal to each other solve for x use "x'' value to fo y

**Thermodynamic**

274.2kj

**Math**

50= A+S 2s+3a= $135 s= -a+50 2(-a+50) + 3a= 135 Now solve for a then plug in what you get for a and solve for s

**World History**

1450-1750 C.E With the Asian Trading Network.

**World History**

How did the Europeans establish and maintain their trading empires with Asia? ? idk help

**Science**

Temperature

**Chemistry**

The liquid to gas phase transformation (evaporation) is an endothermic process. It requires heat to be accomplished.

**Probability**

urn1 contains 3 red chips and 1 white chip. urn2 contains 2 red chips and 2 white chips. 1 chip is drawn from each urn and transeferred to the other urn. then a chip is drawn from the first urn. what is the probability that the chip ultimately drawn from urn1 is red

**HELP IN ENGLISH**

Would the fact that the title is called Bloom because the girl in the book blooms open her new personality be a symbol or irony?

**English**

Would the fact that the title is called Bloom because the girl in the book blooms open her new personality be a symbol or irony?

**English**

so it would be Magic realism, USA?

**English**

The book is Bloom by Elizabeth Scott and the copyright date is May 2007

**English**

I'm writing a Precis of a book and it asks to to put the literary period and country I tried to look but I still don't really understand. Thanks

**math**

try looking over old notes, and memorizing formulas that are commonly used.

**algebra**

To solve the inequality -1/2 k is greater then or equal to -5, Danny multiplied both sides by the reciprocal of -1/2 . His solution was k is greater then or equal to 10.What mistake did he make? Danny checked his solution, but his check did not let him know that he had made an...

**World History**

brazil they didn't have forced labor becuase the afican's did it. whereas in Portugal there was much forced labor

**World History**

How did the Portuguese experience in Brazil differ from the Spanish experience in Latin America? ... I don't really have any idea HELP please.

**World History**

THANK YOU.

**World History**

By building colonies?

**World History**

how did the caribbean serve as a model for the spanish empire?

**World History**

What Iberian institutions were transplanted to the Americas?

**English**

The Swing by robert louis stevensen

**US History**

Why do you think freedom and independence were so important to the colonists?

**history**

Why was the destruction of the buffalo significant to the lives of Native Americans on the Plain?

**history**

thanks

**history**

assimilation into American culture

**geometry**

plug in whatever points they gave you into the midpoint formula

**Chemistry**

What is the difference between and orbit and an electron orbital?

**World History**

How did religion and trade connect Africa to a larger world; with what results?

**World History**

What factors contributed to Islam's spread to south and southeast Asia?

**Spanish 1**

Hey the person above stole my name!

**Spanish 1**

12.d 14.c

**U.S. Government**

how can a young citizen become active in politics?

**English**

What is an essay-style question, and how would I write one about a book I read? I don't have to answer the question

**Math**

What is the answer and how the steps to solving y-15/32=2 6/7

**math**

kelly subtracted 2.3 from 20 and got 17.7 explain why this answer is reasonable

**grammar**

men fish gulf of mexico

**chemistry**

If a mole of hydrogen gas (H2) contains 6.02 x 10^23 molecules, how many molecules are there in 10.0 moles of hydrogen gas? Answer 60.20 x 10^23 molecules 6.0 x 10^23 molecules 6.02 x 10^20 molecules 6.02 x 10^24 molecules None of these is correct. would it be 6.02x10^24 or ...

**ap history**

when did american economic institutions began to be shaped in a capitalist framework? A.during the colonial period B.during the federalist era C.during the jacksonian era D.during the civil war E.during the late 1890s

**science**

a nickel is about 2 millimeters thick,or 2/1,000 of a metter. how many nanometers is?

**science**

i don't see it

**Maths**

A box with no top is to be built by taking a 6'' - by - 10'' sheet of cardboard and cutting x - in. squares out of each corner and folding up the sides. Find the value of x that maximizes the volume of the box.

**math**

I need real life example word problems using to ngative interjers.

**Calculus**

X2-7x-12/x-2

**Individual Income**

A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A

**geometry**

15

**Calculus**

What is the derivative and second derivative of 3x/(x^2-4)

**Vectors**

The point P(-1,0,1) is reflected in plane y-z=0 and has P' as its image. Determine the coordinated of point P'

**dress making**

For cutting dress fabric, it's recommended that you use

**chemistry**

How can one create an experiment that will deteremine the Ksp of a solid like Ca(OH)2

**Chemistry**

So far i have deltaH= 20g x 4.18 j/g deg C x 80 deg = 6.688KJ AND DELTA H= 1.11mol x 40.8 KJ/Mol = 45.3 kj but i don't know what to do next :(

**Chemistry**

If 55.0 kJ of heat are added to 20.0 g of water at 20oC, what is the final temperature of the system?

**chemistry**

A thimbleful of water at 100 deg C has a higher temp than a swimming pool full of water at 20 deg C, but the pool has more thermal energy than the thimble. Explain why this is possbile?