Posts by Anonymous

Total # Posts: 116,399

History
What could be some examples of peace in the Gupta Empire? I have found that peace allowed for many achievements in science and math. Could someone explain to me more about peace in the Gupta Empire?

Math
JajA had three ribbon with her . The length of the green ribbon qas2/1/2 times the red ribbon.what is the length of the yellow

Math
(40-4)/4 = 9 so, there are 9 rows after the 1st, making 10 in all. On the nth row, there are 40-(n-1)*4 = 44-4n bricks The sum of n rows, Sn, with a = 40 d = -4 is Sn = n/2 (2*40 - (n-1)*4) = 2n(21-n) Now you can answer the questions.

physics
since light is so much faster than sound, the elapsed time is basically just the time it takes for the sound to travel. Recall that distance = speed * time now just use your numbers

math
85.80/1.30 = 7.50x - 16.50 x = 11

math
x(130/10) = x(150/12)+20 x = 40

math
If the marked price is p, then .90(540+210) = 675

Physics
A 5-kg container slides down an incline at an angle of 28 degrees. If the coefficient of kinetic friction is 0.4, what is the container's acceleration when it slides down the incline, and how long does it take for the container to travel 14 meters? (Use seconds as the unit...

Investing money (gr 10)
Dave wants to travel around Europe in 2.5 years, when he graduates. He estimates the airfare will cost $1900 and he will need $200 per day for all his expenses. Dave has just invested $4600 in a GIC earning 4.5% compounded semi-annually. He also has a savings account that ...

STATa
random sample of 50 four year olds attending daycare centers provided a yearly tuition average of 3987$ and the population standard deviation of $630. Find the 90% confidence interval of the true mean

BMB/Science
How would you know if free fatty acids neutralized all the NaOH in creating soap?

Chemistry
Is that what this question is looking at? Like knowing that it can be deadly and that humans should consume very little?

Chemistry
What are some potential pitfalls of using copper to restore the green color of chlorophyll that is lost during the processing of plant foods?

geography and history
Yeah, Molly is 100% correct.

Math
cuz its all of the info that thay give us

physics
weight = m g = 0.50 * 9.8 = 4.9 N k = 4.9 Newtons / 0.030 meter b.) .050 meters total x m g = (4.9 / 0.03) 0.05 so m = .5/.03*.05 = 0.83 kg total 0.83 - 0.50 = 0.33 Kg additional c) U = (1/2) k x^2 change = (1/2)(4.9/.03) (.05^2-.03^2)

physics
see your previous post for clues...

goverment
what describes the unique relationship that tribal goverments have with local,state, and federal goverments

math
least to greatest 0.07 3/50 0.1

math
2^(2x)-5(2^x)=-4 Need help with the whole question, thanks!

Algebra
I am sorry i dont know the answers (1) (2) you've probably already taken the test (sorry) (3) You are already on this test? I am in connections academy and I just got to the test

Geography
A creek?

Physics
A blue supergiant star has a radius of 7.4 × 10^10 m. The spherical surface behaves as a blackbody radiator. If the surface temperature is 2.4 × 10^4 K, what is the rate at which energy is radiated from the star? 2 × 10^3 J/s 4 × 10^19 J/s 2 × 10^...

math
idk

CHEMISTRY
I know increasing the temperature doesn't increase the rate of reaction of all reactions but why doesn't the rate of reaction increase in this situation?

CHEMISTRY
This question is from grade 12 university preparation level. The answer has to do something with rates of chemical reactions but I don't know what the answer is. . When hydrogen peroxide H2O2 is used as an antiseptic on open wounds, bubbles form as a result of the ...

reading
What about her last

reading
What about her last

reading
What about her first

Algebra
For each diagram find the relationship between the number of shapes and the perimeter of the figure they form. Represent this relationship using a table, words, an equation, and a graph. Below there are 3 sets of Pentagon's there is one by itself with the number one on ...

Lang Arts
that doesn't help

Lang Arts
What does the present perfect tense show?? a action that began in the past and continues in the present b action that begins and ends in the present c action that begins in the present and continues into the future d future action that began in the past extends to the present ...

Lang Arts
What does the present perfect tense show?? a action that began in the past and continues in the present b action that begins and ends in the present c action that begins in the present and continues into the future*** d future action that began in the past extends to the ...

Lang Arts
so c

Lang Arts
or d

Lang Arts
HELP PLEASE!!!

Lang Arts
Which sentence uses the past form of an irregular verb??? a My friend is keeping a journal b Adan has seen that show twice** c Elsa gave me this book d We listened to the weather report

Lang Arts
I thought the boldface verb was IS LEAVING. Does it make a difference?

Lang Arts
thanks

Lang Arts
Everyone is LEAVING Sarajevo Leaving is the boldface verb

Lang Arts
oops I forgot to post the question

Lang Arts
What form or principle part of the boldface verb is used? a present b present participle******* c past d past participle

History
Thanks chaospuppy 27

Chemistry
A sample of hydrogen gas at a pressure of 0.694 atm and a temperature of 271 °C, occupies a volume of 417 mL. If the gas is heated at constant pressure until its volume is 626 mL, the temperature of the gas sample in °C will be? I got 407 °C but it says that is ...

Chemistry
A person accidentally swallows a drop of liquid oxygen, O2 (l), which has a density of 1.149 g/mL. Assuming the drop has a volume of 0.050 mL, what volume (mL) of gas will be produced in the person’s stomach at body temperature (37 °C) and a pressure of 1.0 atm?

CHEMISTRY
This is what I did deltaHc(reaction)=deltaHc(products)-deltaHc(reactants) deltaHc(reaction)=(1mol(2(732kJ/mol))+1mol(2(460kJ/mol)))-(1mol(4(410kJ/mol))+1mol(498kJ/mol))=246kJ/mol I also did this deltaHc(reaction)=-deltaHc(products)+deltaHc(reactants) deltaHc(reaction)=-(1mol(2...

CHEMISTRY
Estimate the enthalpy of combustion of methane in kJ.mol^-1 CH4(g) + 2O2(g) ------> CO2(g) + 2H2O(g) Bond Dissociation Enthalpies /kJ.mol^-1 Single Bonds Double Bonds C C 350 C O 732 C H 410 O O 498 O H 460 C O 350 O O 180 A. 668 B. 540 C. –540 D. –668 (CORRECT ...

English
Who's Juliet in Romeo and Juliet?

Chemistry
A coffee cup calorimeter contains 480.0 grams of water at 25.0 oC. To it are added: 380.0 grams of water at 53.5 oC 525 grams of water at 65.5 oC Consider the heat absorbed by the Styrofoam as negligible, calculate the expected final temperaturein oC A. 38.2 oC B. 88.7 oC C. ...

Chemistry
This question is from grade 12 university preparation level. The answer has to do something with rates of chemical reactions but I don't know what the answer is. . When hydrogen peroxide H2O2 is used as an antiseptic on open wounds, bubbles form as a result of the ...

math
Factor this expression completely, then place the factors in the proper location on the grid. y 3 - 27

Biology
Is this the correct order for what appears on earth first? Fish, Amphibians, Reptiles, Dinosaurs, Birds.

Biology
is this the correct order for what appears first: Dinosaurs, Reptiles, Amphibians, Birds, Fish

history
how do I describe Benjamin Franklin in the context of the colony of Georgia

Biology
Name and briefly describe two traits that amphibians and reptiles share that are not common to all vertebrates

math
Ingrid offered to pay her brother $2 for doing her share of the housework each day, but fined him $5 if he forgot to do it. After 4 weeks, Ingrid discovered that she did not owe her brother any money. For how many days did Ingrid’s brother do her share of the housework?

math
Use: A = P(1-R)^n 80000(1-5.97%/4)^82 we get n (82) from: 4*20years + 4*6months = 24months/2years quarterly = 4 parts (of a year) Type that into a calculator and you should get your answer.

History
wow...the teacher gave us this answer!

math
omg, im so stupid, i thought it meant how much money he makes.. thanks so much

math
11. Samir wants to purchase his first car. He has saved $1000 as a deposit but the cost of the car is $5000. Samir takes out a loan from the bank to cover the balance of the car plus $600 worth of on-road costs. a. How much will Samir need to borrow from the bank? $4600 b. ...

SS helppp
Yay! Thanks Ms Sue got them all right:)

SS helppp-Ms Sue
??Ms Sue

SS helppp
is 3 and 4 C?

SS helppp
Ok and the other ones?

SS helppp
I think 1 is B and 2 is A am I right?

SS helppp
1. Kurds live in all of the following independent nations except A.Iraq. B.Kurdistan. C.Iran. D.Turkey. 2. How were Kurdish people generally treated during the twentieth century? A.Governments treated them poorly, especially in Iraq and Turkey. B.They were mostly left alone ...

English
But do not use mine, use yours, like "left" :)

English
I have a right to go. We drive on the right here. You are absolutely right.

English
right :)

Pre-Algebra Help
wel 8/13 = ??? = 2.4/5.2 ??? 8/13 and 24/52 8/13 * 3/3 = 24/39 NO way

can not help
I can not see your picture. Are all angles the same?

Physics
weight = normal force = m g = 33.8 * 9.81 = 332 N friction force = 0.12 * 332 = 39.8 N so net force forward = 80.5 - 39.8 = 40.7 N a = 40.7/33.8 d = (1/2) a t^2

math
I'll give the full part: Investment A: Rate as 'R,' principal as $8000, time as '4 years,' and interest as 'SI' Investment B: Rate as 'R,' principal as $7000, time as '5 years,' and interest as 'SI' Investment A's Rate ...

math
Does anyone know how to find the rate with ONLY principal and time? (no interest) Refer to this: Investment A: Rate as 'R,' principal as $8000, time as '4 years,' and interest as 'SI'

Math
Interest = (20 * 3 * 2)/100

financial - simple interest
rate principal time S interest investment A rA $8000 4yrs SI A investment B rB $7000 5yrs SI B It is known that rA : rB = 2 : 3 and that investment B earned $2000 more interest than investment A. Find the values of rA, rB, SI A and SI B

math?
Newton uses a credit card with a 18.6% APR, compounded monthly, to pay for a cruise totaling $1,920.96. He can pay $720 per month on the card. What will the total cost of this purchase be?

Math
yeezycopdropnebba

Math
What percentage of 50 is 12.5 A. 4% B. 25% C. 40% D. 15%

Chemistry
Liquid methylene iodide has a density of 3.33 g/mL. A barometer is constructed using methylene iodide instead of mercury. If the atmospheric pressure is 0.951 atm, what is the height of the methylene iodide column in the barometer in cm? The density of liquid mercury is 13.6 g/mL

English
The crowd cheered loudly

Math
20+20

maths
to fence an area which is in circular shape with a wire of 100m in perimeter . find the maximum area using the 100 metres wire

Math
Pablo found that his uncle’s age can be divided by three different prime numbers. What are three possible ages of his uncle? Show your work.

Marh
5 males

Math
These statements describe the depth at which two sea creatures are swimming. Note that sea level is equal to zero. The six-gill shark is swimming 8,200 feet below sea level. The fangtooth fish is swimming 6,500 feet below sea level. Complete this sentence. The six-gill shark ...

math
Why does pie go on forever? Why is it called pie?

Calculus
Suppose that f(x) and k(x) are differentiable everywhere and that f(3) = 5, f'(3) = 7, k(3) = 6, and k'(3) = 9. Find an equation of a tangent line to 3(f(x))^2 at x = 3. So the derivative of 3(f(x))^2 is 6f(x)*f'(x), and 6f(3)*f'(3) is 210. But for the tangent ...

math
-4x

sama school
what does the animal look like

social studies
Arid

physics
Anna pushes horizontally on a 57 kg penguin with force of 19 N, but the penguin does not budge. Find the force of static friction between the penguin’s feet and the ground.

Liberal are maths
A jar contains 36 marbles if has 20 red 12 black and 4 green marbles two marbles are draw the first is not returned before the second one is drawn what is the probability that both marbles are red

Chemistry
A compound is 85.6% carbon by mass. The rest is hydrogen. When 10.0 g of the compound is evaporated at 50.0 ?C, the vapor occupies 6.30 L at 1.00 atm pressure. What is the molecular formula of the compound?

Math
108

Physics
A hula Hoop (I=1/2MR^2) rolls without sliding along the floor. The ratio of its translational kinetic energy to its rotational kinetic energy (about an axis through its center of mass) is: A. 1 B. 2 C. 3 D. 1/2

World geography
Which term below does not describe a world climate region? A: tropical B:polar C:continental D:inland In a humid continental climate region, to what conditions would plants and animals have to be adapted? A:cool summers and very cold winters B: mild summers and winters C:warm ...

Spanish
oh okay. Thank you

Spanish
Write a short paragraph explaining some details about school practices and/or activities in schools in the Spanish-speaking world. I am a bit confused about what they mean for the activities, do they want after school Spanish activities or what?

Math
nvm. I go the answer already. TY

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