# samantha

Questions and responses by samantha, page 6-
## algebra

Camille can swim against the current at 1.5m/s and with the current at 3.5m/s. Write and equation that expresses each fact. How fast can she swim in still water?

*asked on November 7, 2012* -
## Biology

1. How is both the external and internal stimuli involved in doing this: You are hungry so you reach for an apple in a fruit bowl. 2. Why is a hypothesis important to controlled experiments? Is it becasue you are trying to explain the effect that it would

*asked on September 27, 2012* -
## Physics

Your car can accelerate at 5m/^2 without a trailer. You add a trailer to your car that has 3 times the mass of your car. At what rate can your car (plus trailer) accelerate now? After accelerating the car travels at a constant speed of 30 m/s. What is the

*asked on September 23, 2012* -
## Politics/Debate

what does this sentence mean in regular english "The United States Federal Government should substantially increase development of domestic infrastructure." and what is the basic meaning of domestic infrastructure? Tahnk you soo much in advance!!

*asked on August 9, 2012* -
## college

Consider a normal population with μ = 36 and σ = 4.9. Calculate the z-score for an x of 47.6 from a sample of size 14. (Give your answer correct to two decimal places.)

*asked on July 23, 2012* -
## math

A snailis trying to climb up a cup left by some students that littered.Each hour the snail slithers up 2`` but when he is tired he sleeps and slides 1``. How many hours until he reaches the top of the cup with a height of 10 is this an integer question?

*asked on April 12, 2012* -
## Algebra

triangular prism with base perimeter 24 cm, base area 24 cm^2, and height 15 cm. Choices are: A. 606 cm^2 B. 384 cm^2 C. 408 cm^2 D. 87 cm^2

*asked on March 19, 2012* -
## Algebra

rectangular prism with base perimeter 30 cm, base area 50 cm^2, and height 150 cm. Choices are: A. 7,560 cm^2 B. 4,600 cm^2 C. 1,800 cm^2 D. 4,550 cm^2

*asked on March 19, 2012* -
## Calculus- please help

Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294. Its the derivative method.

*asked on March 15, 2012* -
## Pre-Algrebra

-x/6-8=10

*asked on January 23, 2012* -
## Math

If gas cost $3.97 per gallon, what is the cost of filling a 13.8 gallon gas tank? Do I multiply this? Is $54.78 the correct answer? Thank you

*asked on November 3, 2011* -
## Proof read please

I am entering an essay scholarship and would love if some of you could proof read my essay. Thanks so much! Title: Be a Part of Something Greater “You have to get involved!” From the first day of school, freshman year of high school, those were the

*asked on October 15, 2011* -
## Music

Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide examples of songs with cultural references.

*asked on October 12, 2011* -
## history

what were the similarities and differences between lady Jane Grey and Mary queen of Scots?

*asked on September 18, 2011* -
## history

what were the similarities and the differences between lady jane grey and mary queen of scots?

*asked on September 14, 2011* -
## chemistry

What is the concentration of a solution containing 25g of NaCl in a 250mL sample?"

*asked on June 6, 2011* -
## chemistry

How many grams NO gas can be produced from 110mL of 4.00 M HNO3 and excess Cu? 3Cu(s) + 8HNO3(aq) – 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g)

*asked on April 13, 2011* -
## Physics

What is the magnitude of the force per meter of length on a straight wire carrying an 8.50 -A current when perpendicular to a 0.55 -T uniform magnetic field?

*asked on April 6, 2011* -
## Organic Chemistry

How many grams of 2-propanol are expected from the complete reaction of 111 g of propene?

*asked on March 15, 2011* -
## Spanish-6th grade

1.If someone's birthday is December 1 would I say Es el primero de diciembre or Es el uno de diciembre? I think I would say Es el uno de diciembre because I think I only use el primero for January/ Is that correct? 2. If I said my grandparents names are

*asked on February 15, 2011* -
## Math

If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?

*asked on February 4, 2011* -
## math

camp big trees has 3 red canoes 4 blue canoes what fraction of the canoes are red?

*asked on January 12, 2011* -
## Chemistry (stoichiometry

(This homework question has been removed due to a copyright claim submitted by K12, Inc.) _----------_ [" okay this is what i got and im not sure if i did it right nor do i know if i answered everything the questions wanted so could you help me out

*asked on December 17, 2010* -
## college

I will like to know are these correct sentences. Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what

*asked on November 18, 2010* -
## college

I will like to know is this pargraph is correct. Why are many students choosing to pursue their college degrees using their home computers. Benjamin Franklin said; A penny saved is a penny earned.” This principle applies to the american and foreign

*asked on November 18, 2010* -
## Math

I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following

*asked on November 4, 2010* -
## 5th grade

a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?

*asked on November 3, 2010* -
## math

if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters

*asked on November 3, 2010* -
## ***chemistry

The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)

*asked on November 3, 2010* -
## chemistry

how many milliliters of 6.00 M HCl are required to react with 60.0 ml of 1.96 M Al(OH)3? Al(OH)3(s)+3HCl(aq)-->AlCl3(aq)+3H2)(aq)

*asked on October 8, 2010* -
## Intermediate Algebra

Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x

*asked on September 10, 2010* -
## Math

Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the

*asked on September 6, 2010* -
## chemistry

How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?

*asked on May 10, 2010* -
## English

Is there a website that you can type in a sentence and it will give you the parts of speech of that sentance?

*asked on March 11, 2010* -
## Physics

You watch a distant woman driving nails into her front porch at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the blows you see. And then you hear 1 more blows after you see her stop hammering. How far

*asked on February 25, 2010* -
## History

Can you please explain to me what this means. Chief Justice John Marshall, in Cherokee Nation vs. Georgia held that the court had no juisdiction, under the U.S. Constitution, to deal with this issue because the Cherokees were a domestic, dependent nation-

*asked on November 8, 2009* -
## Math

How do I factor 3x2+4x=1 and #x2-2x-8

*asked on November 1, 2009* -
## Algebra1

Jon left his house and headed toward Brandon's house at the same time Brandon headed toward Jon's house. Brandon traveled 50 mi/h and Jon traveled 55m/h. The distance between their homes is 70 miles. How long did they travel before they met? Please help me

*asked on October 7, 2009* -
## Chemistry

Determine the correct oxidation number assigned to carbon in CaCO3

*asked on April 18, 2009* -
## Math

When you add a positive integer and a negative integer, you sometimes get a negative result and sometimes get a positive result. Is the same true when you multiply a positive integer and a negative integer?

*asked on April 5, 2009* -
## maths

how do i convert decimal fraction into common fraction

*asked on February 26, 2009* -
## chemistry please

if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^-5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^-5)(.04L ethanol)?

*asked on February 1, 2009* -
## Science

I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I?

*asked on January 8, 2009* -
## 6th grade

I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.

*asked on December 15, 2008* -
## spelling

grass:lawn::toss:? does anyone know the answer

*asked on December 9, 2008* -
## Math Check

Are the equations for these questions right? 1) Erik has 2 part-time summer jobs. For Job 1 he gets $9/hr on weekdays and for Job 2 he gets $12/hr for weekends. Last week he worked 23 hours and he earned a total of $231. How many hours did he work on the

*asked on November 19, 2008* -
## Physics

The two blocks in the figureoscillate on a frictionless surface with a period of 1.5s. The upper block just begins to slip when the amplitude is increased to 38cm. What is the coefficient of static friction between the two blocks?

*asked on November 13, 2008* -
## 5th Grade student teacher: Needs ur help....

What fun activity could I use to to teach 5th grade students about the Constitution?

*asked on November 6, 2008* -
## Calculus - Damon

Find the line which passes through the point (0, 1/4) and is tangent to the curve y=x^3 at some point. So I found the derivative which is 3x^2. Let (a, a3) be the point of tangency. 3x^2 = (a3 - 1/4)/(a-0) I'm not sure how to solve for a. Yes, the point is

*asked on November 5, 2008* -
## 6th grade

How can you make an input output division chart

*asked on October 8, 2008* -
## Algebra

I'm fine with angle of elevation problem, but angle of depression problems are tricky for me. Is this right? From a balloon 835 m high, a command post is seen with an angle of depression of 7 degrees. How far is it from the point on the ground directly

*asked on May 14, 2008* -
## chemistry

A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base? could someone help me with this question or how to get started?

*asked on April 14, 2008* -
## Science

Could you please help me. When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's

*asked on April 10, 2008* -
## physics

The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates in meters. The electric field is constant, with a magnitude of 53 V/m, and is directed parallel to the +x axis. The potential at

*asked on February 25, 2008* -
## Cultural Diversity & Ethics

Post your response to this question: Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. Of these societal challenges facing modern African Americans, which do you think are most

*asked on November 18, 2007* -
## Math ... HELP!!!!!

What is the Least Common Multiple (LCM) of 78 and 104?

*asked on October 4, 2007* -
## English

Could someone let me know if I am on the right track? I need to find the predicate nouns. If there is none I need to write none. 1.The ancestors of the lnuit people were Asians. PN-Asians 2.They had probably crossed the Bering Sea in umiaks. PN-Bering Sea

*asked on September 26, 2007* -
## chemistry

to make 100mL of a solution that is .25M in chloride ion, how many grams of MgCl2 would you need to dissolve

*asked on September 15, 2007* -
## chemistry

How many ml of a .25M HCL would be required to neutralize completely 2.5g of NaOH

*asked on September 13, 2007* -
## Algebra - solving linear equations w/ substitution

The question in the book reads: "Suppose you try to solve a system of linear equations using substitution and get this result. How many solutions does each system have?" 1)x=-2 2)y=12 3)6=x 4)-8=-8 5)7=y 6)5=3 I understand #3 and #6, but I do not

*asked on March 19, 2007* -
## math

6.use the remainder theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5-7x^3-11x^2+2 please help...

*asked on October 17, 2018* -
## grammar

which is the command (select one) 1) Whisk the egg please 2) Open that door now 3) Why are you standing there

*asked on September 26, 2018* -
## English

How countlessly they congregate O'er our tumultuous snow, Which flows in shapes as tall as trees When wintry winds do blow!-- As if with keenness for our fate, Our faltering few steps on To white rest, and a place of rest Invisible at dawn,-- And yet with

*asked on July 24, 2018* -
## Math

Solve the system of equations using Row Operations x + y - z = 6 3x - 2y + z = -5 x + 3y - 2z = 14

*asked on May 9, 2018* -
## Math

The velocity time graph shows the movement of a particle alobg a straight line. The particle passes a point, A, when t=0. It maontains a constant spee, u ms -1, for T seconds and then decelerates uniformly before coming to rest at B. If the average speed

*asked on November 27, 2017* -
## pre calc

solve the given equation cos(θ) − sin(θ) = 1

*asked on April 15, 2017* -
## Health safety and nutrition

Describe the steps to a healthy menu for infants, toddlers, and children.

*asked on April 11, 2017* -
## math

Sam charges a $5 travel fee and then $3.25 per hour for labor. How many hours will he need to work to make $18?

*asked on February 16, 2017* -
## Finance

10. The following balance sheet extract relates to the ABC Company. Bonds Payable $1,600,000 Common Stock $5,000,000 Preferred Shares $2,550,000 Additional Information: i. The bonds are 8%, annual coupon bonds, with 9 years to maturity and are currently

*asked on November 24, 2016* -
## Chemistry

Determine the vapor pressure (in atm) of water in an aqueous solution of 12% by mass ethylene group (antifreeze) if the vapor pressure of pure water at that temperature is 0.095 atmospheres.

*asked on February 15, 2016* -
## History. Please Help!

1. “Had this chief turned a deaf ear to Mr. Oglethorpe, refused his friendship and denied his request, opposing him on the part of the Creeks, then this settlement on the banks of the Savannah would have ended amid smoke and blood.” – Charles C.

*asked on January 9, 2016* -
## History

Which of the following best describes the difference between the Spanish and the French and British reasons for exploration of North America? a. While the French were interested in spreading their culture to the New World, the Spanish and English were only

*asked on January 8, 2016* -
## algebra

If (92)p = 98, what is the value of p? 2 3 4 6

*asked on October 7, 2015* -
## math ( having difficulty)

Superior has provided the following information for its recent year of operation: The common stock account balance at the beginning of the year was $18,000 and the year-end balance was $19,000. The additional paid-in capital account balance increased

*asked on September 12, 2015* -
## algebra

An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire

*asked on September 9, 2015* -
## Algebra

You and 3 of your friends went to a zoo with a coupon for $10 off the total price of your tickets. If you paid a total of $17 for 4 tickets, how much would you (individually) have paid without the coupon?

*asked on July 1, 2015* -
## Math

Find the critical points and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to each critical point f(x)= (7/4)x^4+(28/3)x^3+(-63/2)x^2-252x critical points in increasing order: c1=? min or max?

*asked on December 10, 2014* -
## chemistry

Can someone please explain to me how to find the energy released? Given the overall reaction that takes place when hydrogen is burned in a young star, how much energy in MeV is released per He nucleus formed? masses: 1-H atom= 1.007amu 4-He atom= 4.002 amu

*asked on September 19, 2014* -
## Algebra 3-4

The first stage of a rocket burns 28 s longer than the second stage. If the total burn time for both stages is 152 s, how long does each stage burn? Describe how you found your answer. I was originally thinking to divide 152 by 2 then add 28, but I

*asked on September 12, 2014* -
## Math 10

Hello, I did this question for homework, but my teacher said it was wrong and she didn't explain how it was supposed to be done. So could you please tell me how I am supposed to do this step by step? "A baseball is thrown from the top of a building and

*asked on April 13, 2014* -
## Last two CALC questions. :)

8. If f(x) = sin(7 − 5x), find f′(π), which is the derivative at π: −0.754 −0.657 0 * 0.657 3.770 9. Given the function: g(x)={x+b, x

*asked on December 20, 2013* -
## Calculus - #6

If the following function is continuous, then what is the value of b? g(f)={2t^2+2t-24 if f≠3 {b if f=3 0 3 7 14 None of these If the following function is continuous, then what is the value of a? h(f)={2t+b if f(pi/2) 0 1 2 4

*asked on November 6, 2013* -
## Calculus - #3

Suppose g(x)={1/(x-2) if x

*asked on November 6, 2013* -
## Calculus - #1

Suppose g(x)={1/x+1 if x

*asked on November 6, 2013* -
## Math

cameron is making bead necklaces. he has 90 green beads and 108 blue beads. what's the greatest number of identical necklace he can make if he wants to use all the beads

*asked on October 21, 2013* -
## Calculus. Limits. Check my answers, please! :)

4. lim (tanx)= x->pi/3 -(sqrt3) 1 (sqrt3) ***-1 The limit does not exist. 5. lim |x|= x->-2 -2 ***2 0 -1 The limit does not exist. 6. lim [[x]]= x->9/2 (Remember that [[x]] represents the greatest integer function of x.) 4 5 ***4.5 -4 The limit does not

*asked on October 6, 2013* -
## chemistry

What mass of silver chloride can be produced from 1.36L of a 0.130M solution of silver nitrate?

*asked on September 30, 2013* -
## Math

The price of a technology stock was $9.83 yesterday. Today, the price fell to $9.70 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

*asked on June 10, 2013* -
## math

Sunshine Honda sold 112 cars this month. If that is 40% greater than last month, how many cars were sold last month? which ratio do I do this under? For example Portion=Rate x Base

*asked on May 18, 2013* -
## Grade 12 Calculus

Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2 , 0 ≤ x ≤ 2

*asked on April 16, 2013* -
## math

The circumference of a basketball is 26 inches. What is the approximate diameter of a basketball? (Use 3.14 for .)

*asked on April 3, 2013* -
## Applied Behavioral Science

Recognizing Culture Gaps As a leader, how might a leader recognize a culture gap? What are some techniques leaders might use to influence and change cultural values when necessary?

*asked on March 24, 2013* -
## Chemistry calorimeter.. please help!

A coffee cup calorimeter contains 100ml of .200M H2SO4 at 22.3 degrees Celsius. When 2.16g Mg is added, the temperature rises to 36.3 degrees Celsius. What is the heat of the reaction per mole Mg? Please help and show steps. Much appreciated :)

*asked on February 27, 2013* -
## Math

Teresa had a family photo with the dimensions of 12 inches by 16 1/2 inches. What is the area of the photo in square inches? Please help!!! :(

*asked on February 25, 2013* -
## chemistry

If you were asked to convert 25 cg to the unit hg, which of the following would be the first fraction used in the conversion?

*asked on February 10, 2013* -
## science-repost! please help

Determine if the following substances are soluble (at room temperature, 1 atm) in water or in hexane (: grease and CS2 how do you know this

*asked on January 17, 2013* -
## chem

Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?

*asked on January 8, 2013* -
## Biology

what would happen to the respiratory system if it didn't have the nose, pharynx, larynx, trachea, bronchi, lungs, and mucus? I know what would happen to the human body but what would happen specifically to the respiratory system? Thank you.

*asked on December 18, 2012* -
## chemistry

what is the concentration of the hydroxide ion in a solution if .12 mol of strontium hydroxide are dissolved in water and the final solution volume is 500. mL?

*asked on December 8, 2012* -
## Physics. Free electron density, please help!

A length of wire has a radius of 3.00 × 10-3 m and a resistance of 0.200 Ω. When the potential difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 × 10-4 m/s. On the basis of these data, calculate the density of free

*asked on November 21, 2012*