Posts by LILY

Total # Posts: 1,603

MATH
The cost to manufacture a product is proportional to the quantity produced, with a cost of $270000 dollars per day when 900 items are produced. The cost to store n items is proportional to the square of n, with a daily storage cost of $6480 dollars when 900 items are stored. ...

Social Studies
????????????????????

chemistry
Imagine that you have a 5.50 L gas tank and a 3.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 155 atm , to what pressure should you fill ...

Please help me with stats
For each of the following levels of statistical significance, state how many times in 100 a statistically significant result would be expected to occur by chance. .10 .05 .025 .01

Math
5 and 4900 ratio

Math, please help me.
This is the last question of my quiz, I need help with it. I need just one question answered. Question: The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle. Show all your work. The triangles' value is 70 ...

Math
A. 2.5*3.14=7.85 ft rounded to 8

Organic Chem
Predict the water solubility of the following organic molecules: carotatoxin (neurotoxin isolated from carrots)

Math
Thank you so much! :)

Math
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 I think the answer is D. But can ...

Language
The correct answers are as follows. 1. B 2. C 3. C 4. C 5. D I just took it and got 100% trust me. :)

The Watson go to Birmingham 1963?
1. Which of the following passages from the novel best describes the setting? A. It was one of those super duper cold Saturday. B. One of those days that when you breathed kind of hung frozen in the air like a hunk of smoke and you could walk along and look exactly like a ...

Math
SAT dread. 1. If n and p are integers greater than 1 and if p is a factor of both n+3 and n+10, what is the value of p? a. 3 b.7. c.10 d. 13. e 30 2. The company sends a team of 3 plumbers to work on a certain job. The company has 4 plumbers and 4 trainees. 1 team has 1 ...

languege
Well, she says "How dreary - to be - Somebody!" So, I would say C.

Physics
A negatively charged balloon has 4 μC of charge. How many excess electrons are on this bal- loon? The elemental charge is 1.6 × 10−19 C. Answer in units of electrons.

science help
correct

Math
a particle moves along x-axis so that its position at any t>=0 is given by x=arctant. What is the limiting position of the particle as t approaches infinity?

Spanish
Preterite or imperfecto- pls check Los estudiantes ( tomaban/ tomaron) apuntes mientras la profesora ( hablaba/ hablo) Answers: tomaban and hablo

Math
Maddy’s loaf tin has three partitioned areas in which to bake three loaves. The outside of the tin along with the partitions is made of 80 inches of material. The area of the entire loaf tin is 192 in2. What are the possible outer dimensions of the loaf tin?

algebra 1
Im confused

Physics
Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 44 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera- tion of the Earth during the student’s fall. Answer in units of m/s2.

4th grade Number patterns
my anwer was 21

Physics
The average speed of an orbiting space shuttle is 19700 mi/h. The shuttle is orbiting about 125 mi above the Earth’s surface. Assume the Earth’s radius is 3963 mi. How long does it take to circle the earth? Answer in units of h.

Physics
A jogger runs in a straight line with an average velocity of 5.4 m/s for 2.3 min, and then with an average velocity of 5.7 m/s for 1.2 min. What is her total displacement? Answer in units of m.

Physics
Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 363 N to the right. If they pull in opposite directions, the raft experiences a net external force of 147 N to the left. Draw a free body diagram ...

Math
A commuter has 245 dollars in his commuter savings account. this account changes by -15 dollars each week he buys a ticket. In one time period, the account charged by -240 dollars. For how many weeks did the commuter buy tickets How much must he add to his account if he wants ...

Physics
Suzie (of mass 84 kg) is roller-blading down the sidewalk going 34 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 1.1 seconds. What is Suzie’s average acceleration? Answer in units of m...

Physics
A force is applied to a 1.4 kg mass and pro- duces 2.5 m/s2 acceleration. What acceleration would be produced by the same force applied to a 12.2 kg mass? Answer in units of m/s2.

English
has anyone taken the red badge of courage unit test? I really need help! Thanks!

Science
Guys do your own work. When you get into college and you don't know anything, don't say we told you so.

Math
What the heck... J-kid... you ARE crazy. Lmao.

Science
Thank you MSM! You got me 100% Tysm!! :)

Math
An artist mixes blue and yellow to make a shade of green. The ratio of blue to yellow is four to one. The color blue makes up what fraction of the mixture?

math
Hi Ms. Sue, I know this wasn't my problem but I looked up this problem for help, and you helped me out a lot! And I just wanted to thank you! :)

math
Reflecting over QV and RW

Math
One-quarter of a bread recipe calls for 2/3 cup of bread flour. How many cups are needed per recipe?

Math Asap
@steve so it would be a integer

Math Asap
When adding √9 and -7, which type of number is the sum? A.irrrational B.whole number C.radical D.integer My answer is A. CAN you check please @Ms.Sue

chemistry
CaCl2=110.98 H2O=18.016 Not sure what next

Biology
there is an increase in the production of insulin

science plz help me asap
pancake is 100% correct! THANK YOU SO MUCH! :D

ALGEBRA
The set of ordered pairs represents a function. Write a rule that represents the function. ?(00?,00?), ?(11?,33?), ?(22?,2424?), ?(33?,8181?), ?(44?,192192?)

help please english
Look I'm taking the test now and I'll post after the correct answers. Mmkay?

help please english
God you guys are so stupid. READ THE TEST, DO THE RESEARCH. Damn, is it really that hard?

Biology
How does chloroplasts move when placed in a different solution? I understand that chloroplasts are just randomly scattered through out the cytoplasm, but what does placing the cell in a different solution that can be hypotonic or hypertonic affect the placement of chloroplasts?

CHEM redox equations help!
I think theres a mistake in the book its supposed to be C2O4^2-. and it says it says the answer's supposed to be 2MnO4^- + 3C2O4^2- + 4OH- => 2MnO2 + 6CO3^2- + 2H2O but I didn't get that.

CHEM redox equations help!
MnO4 ^- + C2O2 ^2- = MnO2 + CO3 ^2- how would you balance this in basic solution? I keep getting the wrong answer.

Educational Technology.
Yup, right.

Math
231 days and 11years

Chemistry
Name the organic product of the following nucleophilic substitution reaction OH-+CH3I

math probability question
If a player rolls 2 dice and gets a sum of 3 or 11 he collects $15. if he gets a sum of 12 he gets $3. the cost to play the game is $2. let x be the net money gained by the player. a. construct the prob distribution of the random variable x b. find the expected net/gain loss ...

health
Heredity, activity level, and body composition. A, B, and D.

Social Studies
Oh yeah, B?

Social Studies
1. The climate along the equator in Africa is ____. A. hot and dry B. hot and wet** C. wet and dry D. cold and dry 2. What is one way that people have changed the environment in parts of West and Central Africa? A. They have made all land arable. B. They have cut down trees ...

Social Studies
Ooh...so 1 is a savanna?

Social Studies
Okay is 1. grasslands?

Social Studies
1) A fairly dry area between the Sahara Desert and the wetter regions to the south is the ___. A. savanna B. Sahel C.grasslands D. Congo ^ Is it D, Congo? 2. Which African climate zone is home to the savanna? A. tropical wet B. tropical wet and dry C. semiarid D. arid ^Is it C...

Social Studies
NVM! IT’S C

Social Studies
2) An econmy’s total output divided by the total population is called: a- gross national product b- circular flow** c- GDP per capita d- net export

Math
Hi! I need help with this question: Directions: Find the rest of the answers for the table and then find the estimate for it's limit. Problem: lim x→0 cos(3x-1)/3x Table: (top row) -0.1, -0,01, -0.001, 0.01, 0.1 (trying to find what the bottom would be for f(x) row.

Algebra 2
Can someone explain this exponential expression problem to me please? (3x/y^3)^-3 So I got the answer (1/27x^3)/ 1/x^9. Is this correct and if not where did I go wrong?

physics
A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 29.0 m. Next, the student stands at the edge of the pool and uses a ...

Math
Oh okay. I get it

Math
36 inches


Thank you so much! That really helped!

math
If x + y + z = 26, find the value of (y-2) + (z+3) + (x-3). I was so confused on this question and didn't even know where to start. Please help me!

Math
would it be 21?

Math
the sum of 6 and 4 times a number (n) equals 90

Social Studies
okay so muscogee right?

Social Studies
dade?

Social Studies
which of the following georgia counties is most likely to experience a direct hit of a hurricane? dooly, muscogee, or dade

Social Studies
okay thank you!!!1

Social Studies
or southwest?

Social Studies
is georgia to florida southeast?

Social Studies
georgia to florida northeast? georgia to tennessee southwest? georgia to texas southwest? georgia to colorado northwest?

Social Studies
what general direction would you travel to go from georgia to florida? georgia to tennessee? georgia to texas? georgia to colorado?

Please Read
how many seasons are in a school year

Science
medals like an olympic metal

Science
what are the effects of oxygen on medal.

Algebra
Suppose f is a polynomial such that f(0)=47, f(1)=32, f(2)=-13, and f(3)=16. What is the sum of the coefficients of f?

math
How do you find the area and perimeter of your room floor?

kempston
i spent 1/4 of my money in one shop and 1/3 of my money in another shop. what fraction was left?

Organic Chemistry
Consider the weak organic base n-propylamine. The Kb value for this base is 1.3-10^-5, and its pKa is 10.6. At what pH are the "proton on" and "proton off" forms present in equal concentrations? At what pH values would the "proton on" form have ...

Math
Tiffany is constructing a fence around a rectangular tennis court. She must use 300 feet of fencing. The fence must enclose all four sides of the court. Regulation states that the length of the fence enclosure must be at least 80 feet and the width must be at least 40 feet. ...

Math
The area itself consist of length x width. The formula for a rectangular prism is length x width x height . So , the question already give you all the hints and you just have to multiply all of them ; 25 x 10 = 250

Chemistry
Electron configuration for phosphorus is 1s2 2s2 2p6 3s2 3p3. So the number of electron must be 15 , right ? But , what if m = 1 ? Does it effect the number of electron ?

math
What number is the sum of 8 numbers whose average is 13

Math
Is $5.00 enough money to buy 1 pound of peanut

Math
Finish the following to make a perfect square. 1.) x^2+sqrt3x+______ 2.) x^2+4x+_____

Math
A Voting Poll: Candidate A: 30% Candidate B: 50% Undecided: 20% The Table above summarizes the results of an election poll in which 4000 voters participated. In the actual election, all 4000 of these people voted and those people who chose a candidate in the poll voted for ...

Math
Ok, or I could find the slope correct? Thank you!

lanugage
that wasn't my intention. um sorry

lanugage
c?

lanugage
what is the prepositional phrase in the sentence? The family drove to the store. a. the family drove b. drove to the store c. the family d. to the store a?

Social Studies
Okay thank you

Social Studies
what is the problem with arabia and iraqs dependency on oil?

ss
why was the migration of the Aryans to India significant

Social Studies
Farmers in the northern Indo-Gangetic plain of south Asia rely mostly on: A. Water carried by rivers that drain from the Himalayas B. Cool air that brings drenching rain C. Monsoons that bring needed moisture D. Desert wind that balances the cold moist air from the Himalayas A?

Math
How would you factor (x+y)^2-(x-y)^2

analytical chemistry
In generating the synchronous spectrum, it is not necessary to specify the wavelength range, why?

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