carla

This page lists questions and answers that were posted by visitors named carla.

Questions

The following questions were asked by visitors named carla.

how much effort is needed to lift 300 newtons with a pulley? If by effort you mean force, then the answer is 300 N (300 Newtons). If by effort you mean work, I believe the answer is 300 N multiplied by the distance pulled.

would someone check these please 1. find the square root of 25 answer 5 2. find the median of the following set of numbers 33,72,23,27,77,68,85 answer 68 3. find the mean of the following numbers 13, 15,18,18,18,19,22,26,28,33 answer 21 4. find the mode 1...

1. find the square root of 25 answer 5 2. find the median of the following set of numbers 33,72,23,27,77,68,85 answer 68 3. find the mean of the following numbers 13, 15,18,18,18,19,22,26,28,33 answer 21 4. find the mode 15,14,10,15,,16 answer 15 5. the t...

What is the price elasticity of supply for your chosen industry? I chose the airline industries I am trying to find some good web sites to help me does any one have any idea Google is the place to start. Search on "elasticity", "airlines". I got plenty of...

16 divid (-4)+(-5) I am complete stumped on this can some one explain how to get the answeres or just me an example how the problem is worked First divide the 16 by 4, then change the sign (because of the - in the denominator). Next, add -5

oh i think i see instead of ft/miles because i changed the 13 miles to ft it would be 0.61 ft/ft An airplane covered 13 miles of its route while decreasing its altitude by 42,000 feet. Find the slope of the airplane's line of descent. Round to the nearest...

how would ou write an equation or inequality that could be used for analysis, prediction example gas prices? can some one explain to me how to write this

how would ou write an equation or inequality that could be used for analysis, prediction example gas prices? can some one explain to me how to write this I noticed you question before. I think it is much too vague and open-ended for a proper reply in this...

how would you write an equation or inequality that could be used for analysis, prediction example gas prices? can some one explain to me how to write this i was going to do mine on diet how my sister last pounds on her diet she weight 410 lbs to begin wit...

I worked the problem out, but could you check my work over and see if it's correct? I used the quadratic formula. 2x^2+10x+11 a=2 b=10 c=11 x=-10(plus or minus) sqrt 10^2-4(2)(11) over 2(2) -10(plus or minus) sqrt 100 - 8(11) over 4 -10(plus or minus) sqr...

Find two consecutive positive integers such that the sum of their squares is 85. n^2+(n+1)^2+2n = 85 n^2+n^2+2n+1=85 2n^2+2n=84 n^2+n=42 n^2+n-42=0 (n-6)(n+7)=0 n=6 n=-7 Is my work and answer correct? -7 is not a positive integer. Your first equation is w...

there are________centemeters in a meter

Why did Japan surrender to the United States after the united states bombed hiroshima and nagasaki?

in french what country is caledonie i can`t find it on the other sites mentioned before. thankyou

flow chart symbols purpose and example.one looks like a rectangle and one looks like a diamond .thanks

unscramble french words: ssaadel,sstredse,iossbnso

Alexander wants to know exactly how many bars to pack in his backpack for the journey. To provide a margin of safety, he assumes that he will need as much energy for the return trip as for the uphill climb. How many bars should Alexander pack?" he weighs...

do you agree with what the writer has said in "the story of an hour" by kate chopin. why or why not.

write 2 different improper fractions that equal to 4 2/3.

8w + 5/10w -7 = 4w -3/5w +7

A charge of 2.0 nC and a charge of 5.3 nC are separated by 41.80 cm. Find the equilibrium position for a -4.7 nC charge. ___ cm from the 2.0 nC charge.

Calculate the net charge on a substance consisting of a combination of 6.0 1013 protons and 2.0 1013 electrons.

A Van de Graaff generator is charged so that the magnitude of the electric field at its surface is 2.4 104 N/C. (a) What is the magnitude of the electric force on a proton released at the surface of the generator? (b) Find the proton's acceleration at thi...

An object with a net charge of 35 µC is placed in a uniform electric field of 643 N/C, directed vertically. What is the mass of the object if it floats in the electric field?

How do you find the protons acceleration at this instant then?

Doyou have 6 grade text book?

if you have a reaction with an acid dissociation, where one HA goes to H + A how can the entropy be negative? I thought that one mole going to two moles would have positive entropy because of the greater disorder.

( from the previous chemistry question)hydration just means H2O would attach to the ions, right? would the H2O attach to the -F to form larger molecules? how does the entropy change from that?

if a woker produces 175 parts per hour, how many can be produced in 7 hour

Define Orientalism and list two to three charateristics of orientalism?

A body at given uniform temperature of 300K and internal energy 8x10^6 J is split in two equal halves: a)Has any heat been exchanged b)What is the temperature of each half? c)What is internal energy of each half? K=Kelvin

The thermodynamic equilibrium constant for the following reaction is 0.15 at 1227°C. 2 SO2(g) + O2(g) 2 SO3(g) Which is true? Can be more than one answer. a. The reaction is product-favored. b. The reaction is reactant-favored. c. G°is less than zero. d....

what is a one sentence summation of plot

what would be the verb and its tense: Successful financial planning can be improved through good education.

if you have 1000g of a substance at -20 degrees celsius with a specific heat of .110 c/1 degree celsius and you add 12 kilojoules to it what is the resulting temperature?

what is the molarity of 40g in 0.5L of solution. Molecular weight of substance is 100.09g/mole.

substance X has a molar mass of 107.6 g/mol. When 2.50 g of substance x burns in an iron calorimeter, the temp. of the calorimeter and the water (2.000 Kg) increases from 25.8 deg. C to 38.7 deg. C. What is the molar heat of combustion of substance X in K...

The amount of 2.00 mol of a solid ionic compound was dissolved in 225 mL of water in an insulated container. The initial temp of water was 20 deg. C and the final temp. was 47.8 deg C. What is the delta heat Dissolution? Assume the heat absorbed by the co...

Substance x has a molar mass of 107.6 g/mol. when 2.50 g of substance x burns in an iron calorimeter the temp. of calorimeter and water (2.000Kg)increases from 25.8 d Celsius to 38.7 d celsius. What is the molar heat of combustion of substance x in kJ/mol...

if I add water to 100.0 mL of a 0.15 M NaOH solution until the final volume is 150.0 mL what will the molarity of the diluted solution be? If I set this up properly I believe it is 0.10 M.....am I correct?

a solution that has an absorbance of 0.603 is diluted ten fold. What is the absorbance of this solution now?

what mass of copper II nitrate would be produced from the complete reaction of 45.6g of copper according to the chemical reaction : Cu + 2 AgNO3 (can't make it a small 3, sorry)----Cu(NO3) + 2 Ag

a surveyor finds that from Point A on the ground the angle of elevation to the top of a mountin is 23 degrees. when he is at point B that is 1/4 closer to the base of the mountain the angle of elevation is 43 degrees. how high is the moutnain? One mile =5...

how can i write an rhetorical essay with ethos pathos and logos on Denise Noes "parellel words "

what is an example of a strong and solid thesis statement concerning the choice of televisions shows as one matures.

an example of a captivating and sophisticated introduction about choice of television shows as one matures including a solid thesis statement.

estimating products writing to explain .each video game at an arcade requires 375 tokens. tom has 2,000 tokens . he said he can play 6 games. is he correct ? explain.

A stock solution of 0.0100 M KMnO4 is diluted by taking 15.5 mL of it and diluting it to 100.0 mL. From this diluted solution, 5.00 mL is taken out and diluted to 100.0 mL. What is the concentration of the solution obtained in the end

How can a liquid, soda, contain a gas, carbon dioxide?

I have 20 pieces of sod that are 1ft X 2ft and 20 pieces of sod that are 1ft X 3ft. How large a square in my garden can I put them on?

calculate the volume of a 0.02M mno4- solution that is required to react completely with 10.0ml of 0.1M c2o4-2

lim x--->pi/4 tanx - cotx / x - pi/4

how many mole of air are there ina 125 mL flask if the pressure is 739 torr and the temperature is 18 degrees celsius?

i have writers block. how can i start my report describing joint stock, limited liability, partnership, and sole proprietorship of a business.

The largest stone jar on the plain of jars in laos has a mass of 6.0 x 10^3 Kg. Express this mass in miligrams.

I was talking with someone about setting up an account and getting help with an assignment

can someone please respond

Of the following products, which has the most prime factors? a)1*121 B)11*15 C)7*19 D)6*35

r=-.96 between cravings for pizza and ability to concentrate on studying

Te banas o te duchas regularmente?

in human relations imagined risks are

witch one of the folowing clue words indicates choronological order?

Write an inequality of the form x > c or x < c to represent the amount of trash cleaned up per mile of coast worldwide compared to the amount of trash cleaned up per mile of coast in England during the 2013 Ocean Conservancy’s International Coastal Cleanu...

The area of a tabletop is 48 square feet. The length is 3 times the width. If the dimensions are whole numbers, what is the width of the tabletop

the length of a rectangular portrait is 2.5 times the width. the perimeter is 28 feet. what is the length of the portrait

7/8 of a pizza that have 12 slices how many left

For f(x) = e^cos(x) use your graphing calculator to find the number of zeros for f '(x) on the closed interval [0, 2π]. A 1 B 2 C 3 D 4

what is the difference between enthalpy, heat capacity and specific heat?

What is another equivalent way of writing 5(x-2)? i know that it is Associative Property of Multiplication but i don't understand how to write it out as an equation. Can you please help me?

Are these 2 equations the same? 5.6 x 10^9 and 56 x 10^8 when i did it out they were the same but i need someone elses opinion

Suppose the weights of male police are normally distributed and the 6.68% are under 130 lbs. in weight, and 77.45% are between 130 and 180 lbs. Find the mean and standard deviation of the distribution.

a certain brand of powdered milk is advertised as having a net weight of 250 grams. if the net weights of a random sample of 10 cans are 253, 248, 252, 245, 247, 249, 251, 250, 247, 248 grams. can it be concluded that the average net weight is less than t...

what are the reactions present in reacting benzocaine with 2-diethylaminoethanol using na+oet- to produce procaine?

A student is studying the fossils of a plant species that lived several million years ago. The fossils of this species are found in Australia and Antarctica. Which statement is the MOST LIKELY explanation for why fossils of this plant are found on these t...

4 5\6 (mixed) tunes to a fraction greater than one

given ABC=PQR m<B=5v+1 and m<Q=6v-7,find m<B and m< Q a-58 b-42 c-55 d-41

Treat a cell in a human as a sphere of radius 1.0 µm. (a) Determine the volume of a cell. (b) Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches (or 0.15 m) and a height of about 1.5 meters.) (c) Estim...

Answers

The following answers were posted by visitors named carla.

ttoooeeeerrppahnl

1:granitc 2:trench 3:dont know 4:volcanoes 5:magma 6:charles 7:earthquakes 8:lithosphere 9:tsunami 10:core 11:ring of fire 12:tsunami 13:seismograph 14:basalt hope this helped (:

hydration just means H2O would attach to the ions, right? would the H2O attach to the -F to form larger molecules? how does the entropy change from that?

Agricutural helps farmes and the city inself, it also provide the human been with the nutrients that we need. if the biotechnology take over alot of the nutrienting in natural fruit and vegetable would become artificial. therefore we could be push through...

8.1 x 10 to (-3)power has 2 sig fig. 910 has 2 sig fig zero doesn't count unless there is a decimal point after it. 175.0 has 4 decimal point is present and zero is to the left of the other sig figs. hope this helps!

Okay, so this was a question on a quiz and I'm not sure if we were to just assume that it was dissolved? But the moles of CaCO3 is .4 correct?

Thank You! You have answered a couple of my questions and I wish I had you for my Professor as mine seems to expect knowledge and not want to teach it! (haha but not really funny!) Thanks again!

This was a multiple choice question, with possible answers of -13.1 KJ/mol; -6.26 KJ/mol; -27.8 KJ/mol; or -26.2 KJ/mol. I was confused as to how to set equation but now I'm confused because if I'm doing this right-none of these answers work. Thanks!

7r + 21s - 4r + 18S then combine like terms

molarity times liters? but where would i get liters from?

Suppose you were going to create your own study to examine what course-delivery format (online, blended, or face-to-face) leads to the best performance in a psychological statistics class. In a paper identify the following for your study: What is your res...

r=-.96 between craving for pizza and ability to concentrate on studying

175+.15X=400 .15X=225 x=1500

“It seems your central character has a really cool power: being able to hear what others are thinking,” Tom said. “Actually, I think it was more of a jinx,” replied Ben. “Being able to hear what people are really thinking is one of those things you think...

One shuttle service charges $10 for pickup and $0.10 per mile .the other shuttle service has no pickup fee but charges $0.35 per mile .find the number of miles for which the cost of the shuttle services is the same

Wait what was number 4 ?

sort each spelling by determining if it follows then v/cv pattern or the v/cv pattern

trade and mercantilism

Clara is building a triangular garden. She wants the length of the longest side to be three more than twice as long as the length of the shortest side, and the third side will be twelve feet long. What expression could she write to determine the perimeter...

i meant the Distributive Property lol stupid me

my answer is (5+x) + (5-2) is that right?

nvm delete this

Can you please help me asap?

Okay thank you so much.

isn't this a t-test because it has 10 samples only?

my answer is to accept the null hypothesis because i got a computed value of -1.27 and a table value of -1.645 -1.27< -1.645 (Accept the null hypothesis)

set the function to 0 and solve. so it would be 0 = -16t^2+126 and solve for t.

i pooped my pants!!!!!!!!!!!!!!

For some particular website, the password must start with the letter X. Then there must be 5 more characters, and each of those characters may be a numeric digit or a letter of the alphabet. How many different passwords are possible?