# Posts by Sofia

Total # Posts: 165

**Chem**

Your spaceship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled 24 ?C at a pressure of 745 mmHg. A balloon with a volume of 414 mL drifts into the airlock where the temperature is -95 ?C and the pressure is 0.115 atm.

**Math**

Predict how many times you will roll a number less than 5 if you roll a standard number cube 250 times.

**algebra**

complete table for the following equation 2x+y=9 x y -3 1 4 5 -1

**English**

What is the direct and indirect object in the sentence. Ana gave me a two pesos today.

**math**

I don't get decimals adding. how do I solve this proble. 2.05+ 3.675. they shouldn't be teaching this in grade 5! :{

**Math**

wondering the same thing!!!

**Social studies please help**

Meme is correct! I go to Connections and all of the answers are right

**Math**

Joel walked 2/5 of a mile to the store, 3/10 of a mile to the library, and 1/20 of a mile to the post office. Let x = the total distance Joel walked. Hw far did he walk? Draw a picture.

**math**

the square root of 5 less than 6 times a certain number is divided by the number and the quotient is 1.Find the number

**math**

I dont think that the ratio is right

**physics**

When a water gun is fired while being held horizontally at a height of 1.00 m above ground level, the water travels a horizontal distance of 5.30 m. A child, who is holding the same gun in a horizontal position, is also sliding down a 45° incline at a constant speed of 2....

**Geography**

Find the equation of the locus of the points that are equidistant from points (-1,0) and (1,0)

**physics**

Runner A is initially 5.3 km west of a flagpole and is running with a constant velocity of 8.1 km/h due east. Runner B is initially 4.7 km east of the flagpole and is running with a constant velocity of 7.8 km/h due west. How far are the runners from the flagpole when their ...

**English**

"I love you purely as it turn to closes" what figure of speech is this? thank you sa sasagot :)

**English**

It time love led us to eternity what figure of speech is this? thank you po sa sasagot :)

**Social**

What is scale

**Math**

Stupid suearch up my homework idiots

**Pre-Calc**

I did get to that part, I drew the picture, but I think I kept using the wrong angles, I'm not really sure

**Pre-Calc**

An airplane’s velocity with respect to the air is 630 mph, and its heading is 𝑁 30° 𝐸. The wind, at the altitude of the plane, is directly from the southeast at 45° and has a velocity of 45 mph. Draw a figure that gives a visual representation of ...

**physics**

A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.

**physics**

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

**physics**

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

**physics**

A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.

**Biology 9th grade**

I am stuck on a question on The Integumentary System, the question is Water molecules in the blood pass through the walls of the (blank) into the sweat glands. I am not sure, can someone help me, thanks.

**Nuclear**

if you were trying to design the most efficient nuclear fission reactor possible, what ratio of U-235 to U-238 would you want?

**networking**

what is the difference between vlan and subnetting ?

**Social studies**

To fart

**MATH HELP**

Boi

**LA**

kk

**LA**

i did they said it was fine but i am afraid to turn this in and now i want your opinoin on how it is

**LA**

i am writing a story about my pet and i need help i am not sure if this is good Help!! My Pet Rexie I have known Rexie ever since my baby brother was born. I remember it like it was yesterday; we had just gotten home from school and in my father’s hands he was holding a ...

**CHEMISTRY HELP**

Hybridized atomic orbitals

**CHEMISTRY HELP**

how many hao's exhibited by S16? my answer is 4?

**Social Studies**

This Canadian landform covers about half of the country. Need help? confused.

**LA**

which part?

**LA**

all i know is the Sal tells about Phoebe's story during her trip

**LA**

i have read the book but i just need help

**LA**

oh well has anyone else had read it

**LA**

is*

**LA**

has anyone read the book Walk Two Moons because i need help? Does anyone know what id the difference between Phoebe's story and Sal's story?

**Math**

i don't really know i just did it in my head and i got that answer i do not know really how

**Math**

oh wow is that you answer

**Math**

i did the math in my head. Why? what is your answer

**Math**

6%

**social studies**

what do you mean where did i get it

**social studies**

my answer was causes of World War II were Italian fascism in the 1920s

**social studies**

i need help. I do not know what caused the world war II. Can you guys help me?

**Chemistry**

You need a system of H3PO4 with K2HPO4 buffer, adjust the pH with H3PO4. This buffer has 7.2 as one of the pKa, so has a useful range of 6.2 to 8.2. Hope this helps

**6th Grade World History**

right and to me it is not c it might be A maybe

**6th Grade World History**

what i would say is that the Rome lost hispania to carthage

**social studies**

well any ways thank you all for help

**social studies**

yes

**social studies**

are you a student or a tutor helping us all

**social studies**

okay i am still srry and thank you for taking your time to help me thxs

**social studies**

no i read it is just that question came up to mind srry did not mean to upset you

**social studies**

and i heard the the Soviet Union and the U.S.A were the cause of the cold war

**social studies**

oh ok so the cold war collapsed because of the Soviet union

**social studies**

and there is another question about this what is the Soviet union

**social studies**

is this about the Cold war cause that is what it says

**social studies**

do you think that is correct. lack of food and tools

**social studies**

i was wondering if you guys can help me with social studies i really need help What happened to Cuba when the Soviet Union broke up? my answer is they do not have food or tools

**Walk two moons need help**

story*

**Walk two moons need help**

yes i have read it and i was wondering what is the difference between Sal's story and Phoebe's room

**Walk two moons need help**

does anyone here read the book walk two moons because i need help

**Reading**

I forgot to bring my ready common core book for reading. I need to do pages 248 and 249

**Solid mensturation**

Find the area of a sector bounded by a 60 degrees central angle in a circle of radius 6 inches

**Math**

write a story problem using two $100 bills, nine $10 bills, and seven $1 bills.

**Finance**

Sully Corp. currently has an EPS of $2.14, and the benchmark PE ratio for the company is 20. Earnings are expected to grow at 7.5 percent per year. What is the target stock price in 1 year? Assuming that the company pays no dividends, what is the implied return on the company...

**Math Check**

Are my answers right? 1.) Find the remainder (x^3+2x^2+3x+4)/(x+2) My answer: 2 2.) Find the remainder (x-1)/(x^4-3x^2+2x-1) My answer: -1

**Math**

How do you estimate using rounding or compatible numbers like 0.97x312?

**Pre-Calc**

Can someone check this? Thanks! :) Which pair(s) of functions are inverses? There may be more than one correct answer. a.) f(x) = x - 12, g(x) = x + 12 b.) f(x) = 3x, g(x) = 1/3x c.) f(x) = 4x, g(x) = -4x d.) f(x) = 2x + 1, g(x) = 2x - 1 My answer: A & C

**English**

How do I turn this into a really good thesis statement? In the myth " When Grizzlies Walked Upright" explain how the bears lived in relation to each other before and after the introduction of the female into their clan, and explain how both the bears and female ...

**English**

This is for "When Grizzlies Walked Upright" explain? How did the bears lived in relation to each other? How did the bears lived in relation to each other before and after the introduction of the female into their clan How did both the bears and the female contributed...

**Pre-Calculus**

1.) Which equation represents a function? A. y=-2x+1 B. x=y^2-1 C. y^2=1/3x D. None Of These E. x=4 2.) The zeros of a function f are the x-values for which f(x) = 0. True or False?

**algebra**

The velocity of an object fired directly upward is given by the equation V=40-18t, where t is in seconds. when will the velocity be between 22 and 31 feet per second? write and solve a compound inequality and graph the solution on a number line.

**science**

Ethanol can also be manufactured from glucose, C6H12O6. C6H12O6 2CO2 + 2C2H5OH. A solution containing 18 kg of glucose makes only 0.92 kg of ethanol. Calculate the percentage yield of ethanol.

**math**

For the system of linear equations below, use graphing to determine in which quadrant the solution lies. x+2y=-2 -2x+y=14 Quadrant III Quadrant I Quadrant II Quadrant IV

**math**

A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)

**physics**

A converging lens is 50cm away from the object. if the distance of the image from the object is 120cm and greater than four times the focal length of the lens, what is the focal length of the said lens?

**math**

And 4

**math**

16 because 1,2,8,16 i am in high school

**chemistry**

Calculate the pH for each of the following points in the titration of 50.0 mL of a 1.8 M H3PO3(aq) with 1.8 M KOH(aq). before KOH after addition of 25, 50,75,100 ml KOH

**spanish**

How to write 25,350

**math**

140,000(estimate)

**math**

What is the name of the period that is in the digits 486 in the number 751,486

**Math Critical Thinking**

8R3 or just 8 juice boxes

**physics**

A student sets up an Atwood machine with a frictionless rope, a 4.5-kg mass, and a 9.5-kg mass. What will be the acceleration of the masses? Use the gravitational acceleration found on Earth: g = 9.8 m/s2.

**physics**

Two masses connected by a rope over a pulley are released, producing the bar graphs below. It took 0.80 seconds for Mass A to reach the top and Mass B to reach the bottom. What was the acceleration of Mass A?

**Integers (urgent)**

I think I'm starting to figure it out....would it be any number above 1? x= 2 so.... 2+1-2= 1 etc.?

**Integers (urgent)**

For what integer values of x is x+1-2 positive?

**Math**

440,000(estimated)

**decimals**

how is 2.3-20=17.7 reasonable

**4th grade math**

I'm in 4th grade and this helped me thanks :3

**Math**

thankyou but how do you get 88cm?

**Math**

a cardbord gift-box has a surface area of 478cm2 and a volume of 570cm3. what are the length,width,and height of the carbox gift-box? I Need Help

**math**

6 r2

**Physics**

Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing to the right.) F = ...

**Physics**

Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing to the right.) b|---...

**math**

a motorboat takes 5 hours to travel 45km downstream and then 18 km upstream on a river whose current flow of the rate of 3 km/hr. how fast can the boat travel in still water?