# Posts by sarah

Total # Posts: 5,805

Calculus check
y=-1/sqrt(x^2+1) , then dy/dx= A. x/(x^2+1)^1/2 B. x/(x^2+1)^1/2 C. -x/(x^2+1)^1/2 D. -x/(x^2+1)^3/2 E. x/(x^2+1) I got B.

Calculus check
If f(x)=sin^2(3-x) then f'(0)= A. -2cos3 B. -2sin3cos3 C. 6cos3 D. 2sin3cos3 E. 6sin3cos3 I got B

Civics
I should of known that answer a little bit earlier! But whatever.

Civics
The answer is D. I chose C and got it wrong.

Civics
12.   Which one of the following statements is most accurate regarding the Mayflower Compact?  A. It made Plymouth a royal colony. B. It created the Massachusetts Bay Colony. C. It founded the Plymouth colony under a proprietary governor...

MATHS
Please help - In a stationery shop, there were pens, erasers and rulers. There were thrice as many pens as erasers and thrice as many erasers as rulers at first.After the shop keeper sold 6 rulers and some erasers there were thrice as many pens as erasers but 4 times as many ...

maths
Need help on this, Please : there was a total of 1134 durians, papayas and apples in a basket. when 25% of the durians and 96 papayas were taken out and 252 more apples were put in basket, there were an equal number of the three types of fruits, How many of each type of fruit ...

To Ms.Sue
I MEANT FOR TOMORROW'S EXAM GEEZ, A STUDY GUIDE!😧

To Ms.Sue
Ms.Sue please check civics for me,it's the last of today!

Civics
This is a study guide for me not the final exam. I am just so used to saying exam and not study guide or whatever,jeeeeeeez.

Civics
How can I trust you and go with what you say this is an exam and I need someone to correct me and help me out. I like that Ms.Sue always helps me and corrects me wonder where she is? But thanks for the help it's appreciated :)

Civics

Civics
20.   In 1775, the population of the colonies included about _______ African slaves.  A. 100,000,000 B. 100,000 C. 500,000 D. 50,000  C?

Civics
19.   In general terms, the heart of any representative democracy is  A. the Senate. B. Congress. C. suffrage. D. a legislature.  D?

Civics
18.   The largest social class in Egypt or ancient Rome was made up of  A. soldiers. B. farmers. C. artisans. D. traders. B?

Civics
17.   After General Howe's forces defeated the Americans at Brooklyn Heights and White Plains, Washington's strategy called for  A. drawing British forces inland. B. retreating to the south. C. surrounding the British and forcing them into...

Civics
16.   Which one of these terms is most closely related to an oligarchy?  A. Constitutional monarchy B. Junta C. Democracy D. Roi Soleil  B?

math
i like math

Civics
Thanks:) 15.   Suppose you work for a government agency that regulates the buying and selling in the country. Which main purpose of government is your agency serving? A. Organizing work for common goals B. Settling disputes C. Distribution of resources...

Civics
14.   What did Plato critique in his book The Republic?  A. Democracy B. Isolationism C. Socialism D. Communism ??? Am not 100% sure with this question.

Civics
13.   Under the reign of Louis XIV, the government in France was a/an  A. absolute monarchy. B. representative democracy. C. dictatorship. D. direct democracy.  A?

Civics
"The compact remained in effect until Plymouth was incorporated into the short-lived Dominion of New England in 1686 and subsequently absorbed into the Massachusetts Bay Colony in 1691." I read the page and found this,which made me think B.

Civics
Which one of the following statements is most accurate regarding the Mayflower Compact?  A. It made Plymouth a royal colony. B. It created the Massachusetts Bay Colony. C. It founded the Plymouth colony under a proprietary governor. D. It ...

physics
12km

Civics
11.   The purpose of the petition sent to King George III by the First Continental Congress was to  A. request a place in Parliament for colonial delegates. B. request that the king consider granting independence to the established colonies. C. ...

To Ms.Sue
Ms.Sue can you check my questions and answers down below for Civics if you can.

Civics
Regarding the Magna Carta, which statement is false?  A. King John was forced to sign the document. B. The document assured all English citizens freedom of speech. C. The document required trial by a jury of one's peers. D. The meeting of the ...

Civics
9.Which of the following is not an authoritarian form of government?  A. Absolute monarchy B. Totalitarianism C. Dictatorship D. Direct democracy  D?

Civics
Just making sure I was correct. Thanks :)

Civics
8.   Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress?  A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted ...

physics
A car's wheel of radius r=50cm goes through 5000rev in 1min. find the car's average angular velocity,and how far it travels along the ground in 1min. The linear speed v and angular speed w of the point of a rotating body are connected by the equation v=wr. where r is ...

Civics
Oops that was supposed to be a period.

Civics
8.   Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress?  A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted ...

Math
2+5=7 24/3=8

Civics
B?

Civics
8.   Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress?  A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted ...

math
you are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter than twice its width. What should the dimensions of the table be? This question has to be quadratic equation! I really need to know the answer, ...

Civics
7.   If you came to settle on present-day New York City in about 1650, it's most likely that you're of _______ descent.  A. French B. Swedish C. Spanish D. Dutch D?

to writeacher
I think it is C,please check civics on the thread down below.

^^^^^^^ 100% Right

Civics
I think c?

Civics
Concerned about the Catholic minority in Maryland, Leonard Calvert ordered the Second Lord Baltimore to  A. send to Europe for more Catholic priests. B. encourage members of the Church of England to become Catholics. C. make a law ...

Civics
Thanks

Civics
5.   The United States Constitution delegates police powers mainly to  A. state and local authorities. B. the president of the United States. C. Congress. D. the National Guard. A?

Spectroscopic studies have shown that the fusion reaction in the sun's core proceeds by a complicated mechanism. One proposed overall equation for the solar fusion reaction is 411H+2 0−1e→42He which is also accompanied by the release of "massless" ...

physics
so how much is the radius

physics
can you make it more clear the answer

physics
calculate how far along the ground would the bicycle move if one of the wheels had an angular displacement magnitude of 500rev

Finance
The manager for a growing firm is considering the launch of a new product. If the product goes directly to market, there is a 40 percent chance of success. For \$171,000, the manager can conduct a focus group that will increase the product’s chance of success to 55 percent...

Finance
We are evaluating a project that costs \$670,000, has a five-year life, and has no salvage value. Assume that depreciation is straight-line to zero over the life of the project. Sales are projected at 59,000 units per year. Price per unit is \$44, variable cost per unit is \$24, ...

Finance
We are evaluating a project that costs \$1,120,000, has a ten-year life, and has no salvage value. Assume that depreciation is straight-line to zero over the life of the project. Sales are projected at 64,000 units per year. Price per unit is \$50, variable cost per unit is \$25...

Finance
You have been hired as a consultant for Pristine Urban-Tech Zither, Inc. (PUTZ), manufacturers of fine zithers. The market for zithers is growing quickly. The company bought some land three years ago for \$1.42 million in anticipation of using it as a toxic waste dump site but ...

Finance
Aria Acoustics, Inc. (AAI), projects unit sales for a new seven-octave voice emulation implant as follows: Year Unit Sales 1 87,000 2 100,000 3 114,000 4 109,000 5 90,000 Production of the implants will require \$1,660,000 in net working capital to start and additional net ...

Civics
4.   The term suffrage refers to the  A. freedom to make one's voice heard. B. Soviet labor camps. C. right to vote. D. extermination of Jews under Hitler. C?

Civics
2.   Imagine that you're a member of the Virginia House of Burgesses. You've submitted a proposal for a law that requires colonial inspectors to place grades on different qualities of harvested tobacco. The law passes, but you know it won't go into effect...

Civics
1.   The German leader who headed the Nazi party was  A. Hitler. B. Idi Amin. C. Perón. D. Stalin. A?

physics
A 4 cm candle sits 15 cm in front of a converging lens with a focal length of 6.0 cm. Draw a ray diagram showing the image used and determine the image distance and magnification. Please help me answer!

Algebraic expression
Translate 7 more than one-third of a number into an algebraic expression

Earth Science
Is #3 correct?

Earth Science
Oh its silicates just found the answer in my book must of missed a page!

Earth Science
Ms.Sue is it possible if you give me a website for number two or no?

Earth Science
3.   An explosion that destroys the outer portion of a star is known as a  A. supergiant. B. protostar. C. nebula. D. supernova. D?

Earth Science
2.   The Moon is made up of minerals similar to those on Earth, which are  A. rilles. B. lunar breccias. C. silicates. D. highlands. I am thinking either B or D?

English
thanks again :)

English
thank you so much, yes it was very helpful :)

English
Can someone please explain this poem to me and also the literary devices used? Thanks! "Like This" If anyone asks you how the perfect satisfaction of all our sexual wanting will look, lift your face and say, Like this. When someone mentions the gracefulness of the ...

Chemistry
Alright so I got 4.92 and then 12 x 1 = 12 so now how do I get my separation distance?

Chemistry
A pharmaceutical chemist Runs a chromatography test on a substance and identifies two of its components by comparing their RF values against certain standards . if the two components have RF values of 1.0 and 0.41 and the solvent front has traveled 12.0 cm from the samples ...

Earth Science to Ms.Sue (urgent )

Earth Science to Ms.Sue (urgent )
Thanks Ms.Sue and Damon.

Earth Science to Ms.Sue (urgent )
18.   The Cenozoic Era is also referred to as the  A. Age of Dinosaurs. B. Age of Mammals. C. Age of Fish. D. First Era. B???

Chemistry 101
Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.9g .What minimum mass of H2SO4 would you need? What mass of H2 gas would be produced by ...

Earth Science to Ms.Sue
9.   Another name for unicellular organisms that dominated Earth up to the Precambrian time is  A. eukaryotes. B. cyanobacteria. C. stromatolites. D. prokaryotes. D?

You were right.

Reed
Thanks I will go with this answer and tell you if it was right.☺

4.   Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today.   A. oxygen  B. lead  C. hydrogen  D. ore  A? Reed told me yes for A,but I still was not sure!

Chemistry
1.Chlorine gas can be produced commercially by passing an electric current through a concentrated solution of sodium chloride (brine). The unbalanced equation is NaCl(aq) + H2O(ℓ) → NaOH(aq) + Cl2(g) + H2(g). If the brine contains 163 g of NaCl, how much Cl2 can be...

physics
In an arcade game, a 0.18 kg disk is shot across a frictionless horizontal surface by being compressed against a spring and then released. If the spring has a spring constant of 237 N/m and is compressed from its equilibrium position by 6.6 cm, what is the magnitude of the ...

Wrld Hist
To what extent did the French Revolution represent a tangible political expression of Enlightenment ideals?

Earth Science
4.   Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today.  A. oxygen B. lead C. hydrogen D. ore A?

Overdue Science Lesson, Very Urgent.
Sea-floor spreading is also my overdue science lesson! Here are the answers I think are right: 1-b 2-a 3-c. Can anyone check my answers and tell me if I am right? URGENT

Physics
Work = Force*distance so just plug and chug your numbers into that equation to find the force.

Earth Science
Thank-you,that was all I needed for today!Happy Valentines Day!

Earth Science
20.   A flat area on a mountain is known as a  A. plateau. B. grand valley. C. valley straight. D. rising canyon. A.plateau?

Earth Science
18.   Which of the following is a factor that determines the composition of magma?  A. Texture B. Elasticity C. Color D. Viscosity  D or B?

Earth Science
Thank you,Ms.Sue!

Earth Science
16.   What type of instrument measures seismic waves?  A. Mercalli scale B. Seismic scale C. Seismogram D. Seismometer D?

Earth Science
Could I have a straight answer I am confused with this ehow.

Earth Science
15.   _______ currents assist in the transfer of thermal energy from warmer climates to cooler climates.  A. Platonic B. Plutonium C. Convection D. Tectonic C? Please explain

Earth Science
12.   The original location of an earthquake is also known as the  A. horizon. B. epicenter. C. hotspot. D. magnitude. B?

Earth Science
11.   Which earthquake scale takes into consideration the damage caused by an earthquake?  A. Amplitude scale B. Moment magnitude scale C. Richter scale D. Modified Mercalli scale D?

Science
1.The Bohr model of the hydrogen atom is best described as: 1. A large lump of chocolate chip cookie dough with electrons as the chocolate chips; those of higher energy are on the outside surface of the lump 2. Similar to Saturn with electrons of varying energies in a single ...

Earth Science
Sorry to ask but are you 100 % sure?

Earth Science
5.   Most tornadoes carry wind speeds that range from  A. 105 to 177 km per hour. B. 178 to 266 km per hour. C. 267 to 322 km per hour. D. 1 to 105 km per hour. A?

Earth Science
Could I have some help with the question down below?

Earth Science
It was 3 I found the answer☺

Earth Science
I think it might be D.3?

Earth Science
18.   How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite?  A. 23 B. 10 C. 2 D. 3 I am stuck on this I looked in my text book and it shows the words but not the number answers!

health
numerous is correct

Math
Sandi counted all the parallelograms of any size she could find in the design below how many parallelograms are there in all

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