# Jillian

Popular questions and responses by Jillian-
## physics

A 1.00-kg duck is flying overhead at 1.50 m/s when a hunter fires straight up. The 0.010 0-kg bullet is moving 100 m/s when it hits the duck and stays lodged in the duck's body. What is the speed of the duck and bullet immediately after the hit?

*asked on March 29, 2010* -
## chem

Body temperature is about 308K. On a cold day, what volume of air at 273K must a person with a lung capacity of 2.00 L breathe in to fill the lungs?

*asked on February 23, 2013* -
## social studies

People who move from place to place searching for food and water are called what?

*asked on October 24, 2007* -
## Calculus

This problem set is ridiculously hard. I know how to find the volume of a solid (integrate using the limits of integration), but these questions seem more advanced than usual. Please help and thanks in advance! 1. Find the volume of the solid formed by

*asked on April 5, 2008* -
## Chemistry

Which compound is a saturated hydrocarbon? ethane ethene ethyne ethanol Thanks for any help you can give

*asked on May 3, 2010* -
## Prealgebra

The sum of an integer and the next greater integer is at most 15. Write an inequality to find the lesser integer. Then slove for the lesser integer.

*asked on February 28, 2008* -
## Calculus

How would you begin this problem? On a standard summer day in upstate New York, the temperature outside can be modeled using the sinusoidal equation O(t) = 11 cos (pi/12 t) + 71, where t represents the number of hours since the peak temperature for the

*asked on August 22, 2012* -
## Calculus

The function g(x)=12x^2-sinx is the first derivative of f(x). If f(0)=-2, what is the value of f(2pi)? a)30pi+2 b)8pi^2-2 c)4pi^3+8 d)32pi^3-2 e)2pi^2+5

*asked on January 22, 2018* -
## 180g/l

I want to make up a 180g/l solution acid using 98% Sulphuric Acid. How much H2SO4 do I use should I make a stock solution first.

*asked on September 22, 2014* -
## Math

Find the length of segment BC if segment BC is parallel to segment DE and segment DC is a medsegment of triangle ABC. A(-3,4) E(4,3) D(1,1) B and C do not have coordinates

*asked on January 5, 2010* -
## Calculus

The percentage of the moon's surface that is visible to a person standing on the Earth varies with the time since the moon was full. The moon passes through a full cycle in 28 days, from full moon to full moon. The maximum percentage of the moon's surface

*asked on August 23, 2012* -
## MATH

In U.S. customary units what is the width of two fingers, the length of a man's shoe, and the length of one big step? one inch one foot one yard

*asked on March 11, 2007* -
## Math, Statistics

If P(A)=.3 and P(B)=.45 find… P(A or B) if A and B are 1)mutually exclusive & 2)independent. Also, I need help understanding what independent and mutually exclusive means and what that does.

*asked on January 24, 2017* -
## math

Solve the system 6x+4y = 12 9x+6y = 18 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x x=? y=?

*asked on September 3, 2009* -
## PreCalc

Find a polynomial of the specified degree that satisfies the given conditions. Degree 4; zeros −3, 0, 1, 4; coefficient of x3 is 4

*asked on February 17, 2016* -
## PreCalc

A piece of wire x inches long is bent into the shape of an equilateral triangle. Find a function that represents the area of the triangle and state the domain of the function.

*asked on February 16, 2016* -
## Math

A square lot is to planted with santan plants all around. The side of the lot measures 10 meters. If plant will be planted 20cm apart, how many plants must be planted in all?

*asked on January 6, 2016* -
## Chemistry

How long will it take for a 18.0-g sample of iodine-131 to decay to leave a total of 2.25 g of the isotope? The half-life of iodine-131 is 8.07 days

*asked on August 23, 2015* -
## chemistry

Monosodium glutamate (aka MSG) NaC5H8NO4 is used as a food additive for flavor or as a preservative. a. what is the mass of MSG (g) that contains 545 mg sodium? b. calculate the percentage of each element present in MSG.

*asked on April 12, 2013* -
## chemistry

A sample of hematite Fe2O3 has the mass 4.83 x 10 3 kg. a. how much iron (kg) can be extracted from this sample of hematite? b. what is the percentage of iron in this ore?

*asked on April 12, 2013* -
## chemistry

A student needs to use a 0.750 mol sample of (NH4)2SO3 for an experiment: a. how many grams does she need to weigh out? b. how many formula units are in the sample?

*asked on April 12, 2013* -
## Precalculus

A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.

*asked on January 12, 2012* -
## Chemistry

I blanked how to solve this: How many grams of carbon dioxide are produced when 2.5 grams of sodium bicarbonate reacts with excess citric acid according to: 3NaHCO3+H3C6H5O7 -> Na3C6H5O7+3CO2+3H2O Could you include the steps, please? Thanks.

*asked on June 15, 2011* -
## math help

Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u − v. Place u and v tail-totail to form two sides of a triangle. With regard to this triangle, what does u−v represent? Calculate the number u•u and discuss its relevance to the diagram you

*asked on April 15, 2010* -
## 9th grade

i need help finding what these words are from these clues: possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic reticulum is a network of....

*asked on September 15, 2009* -
## Geometry

Find the coordinates of the missing endpoint given that S is the midpoint of line RT. T(-4,3), S(1-,5) How do you work this out?

*asked on August 19, 2009* -
## college chemistry

HIO3 + FeI2 + HCl --> FeCl3 + ICl (in acidic solution) Show and label the two balanced half-reactions (oxidation and reduction). Add H2Os, H+s or OH-s as needed. I just wanted to know if the answer I got is correct 2FeI2 +6HCl +Cl +HIO3-->6FeCl3 +ICl +3H20

*asked on October 25, 2010* -
## Math

Prove the identity. sin² θ = tan² θ / 1 + tan² θ

*asked on January 20, 2009* -
## Math

Abdul bought a radio for $120. The same model is now on sale for $96. Express this decrease as a percentage of the original price. Show your work. How would you do this problem?

*asked on August 26, 2008* -
## MATH

In metric units what is the thickness of a dime, the width of a little finger, and the length of one big step?

*asked on March 11, 2007* -
## chemistry

the composition of hydrogen selenide can be determined by heating tin(Sn)in a measured volume of gas the hydrogen selenide is decomposed producing solid tin selenide(SnSe)and hydrogen gas if the temp,and pressyure are unchanged,the gas volume when the

*asked on January 24, 2007* -
## CHEMISTRY

hydrogen selenide can be prepaired by reacting aluminium selinide with water the other product being solid aluminium hydoxide AL(OH)3,write a balanced chemical equasion for the reaction of aluminium selenide with water including the phisical states of the

*asked on January 24, 2007* -
## MATH

What is commutative property of addition? The commutative property of addition says we can change the order of the terms and the result is the same. Thus a+b=b+a. This is one of the field properties of the real numbers. This site explains the commutative

*asked on September 5, 2006* -
## algebra

Barbra donna Nicole cindy ran relay race 3 3/10+2 4/5+ 2 1/10 what is the time added together

*asked on February 4, 2020* -
## Physics

An airplane has to fly eastward to a destination 865 km away. If wind is blowing at 18.8 m/s northward and the airspeed of the plane is 166 m/s, in what direction should the plane head to reach its destination?

*asked on October 8, 2019* -
## Algebra

If y varies directly with x and y is 14 when x is 6 What is the constant of variation What is the direct variation equation

*asked on September 16, 2019* -
## Math

Parallel lines l and m are cut by transversal t. If the interior angles of the same side of t be (3x+4) and (2x-9), SOLVE FOR THE VALUE OF X.

*asked on November 28, 2017* -
## Math

When the measure of two angles are equal, what can be the said of the measures of their supplement? What can be the said of the measures of their complement?

*asked on November 19, 2017* -
## Math

Find the ratio of the complementary angles having the ratio of 3:16. With solution please, thank you!

*asked on November 19, 2017* -
## AP US History

Evaluate the extent to which the opposition to slavery contributed to maintaining continuity as well as fostered change from 1776 to 1856. Please give me some topics to write about in my essay

*asked on October 31, 2017* -
## Biology

why does boiling the water removes the bacteria?

*asked on October 30, 2017* -
## chem

When 3.517 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 11.59 grams of CO2 and 3.164 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to be 40.06 g/mol. Determine the empirical

*asked on February 19, 2017* -
## Math

Need help least to greatest 0.5,0.05,5/8

*asked on October 13, 2016* -
## Pre-Algebra

A fair number cube, numbered 1 though 6 is rolled 200 times. About how many times can it be expected to on the number 4? I tried to do 200 divided by 6 which is 33.3333333333 and then I did 100 divided by 6, so then I tried to use a ratio, but I could find

*asked on April 4, 2016* -
## precalc

ln(e^(5)·3^log3(e)+1/2e^-3ln(2) the first base e has en exponent of 5 times 3 to the power/exponent of log with a base of 3 (3). the second base of e has a power/exponent of (-3In(2)

*asked on March 3, 2016* -
## Precalc

Simplify completely. e^(ln(7)+2ln(4))−log9(27/27) the log has a base of 9 and the top 27 is under a radical sign.. my computer doesn't have symbols for them. the base of e is raised to In(7)+2In(4)

*asked on March 3, 2016* -
## Precalc

let f(x)= (x / (6x-36)) and g(x)= (1/(x-6)). find all numbers x, if any, such that f(x) < g(x)

*asked on February 22, 2016* -
## precalc

4. REVIEW PROBLEM: Solve). √3-2x + √3x +13 =5 the term (3-2x) is under a radical as well as the term (3x+13). Please show all steps!! i keep on getting x=9 but plugging it in it is wrong!

*asked on February 22, 2016* -
## PreCalc

= x + 3. Find and simplify : f(a+h)−f(a) /h the x +3 is under a radical sign as well!

*asked on February 18, 2016* -
## precalc

f(x)= x + 3. Find and simplify : f(a+h)−f(a) h the x +3 is under a radical sign as well! so its the square root of x +3

*asked on February 18, 2016* -
## PreCalc

Let f (x) = x + 3. Find and simplify : f(a+h)−f(a) /h

*asked on February 17, 2016* -
## PreCalc

A crate has a heigth of 6 feet. The sum of the areas of all 6 sides of the crate is 40 square feet. Express the length l of the crate in terms of the width w (i.e. write l as a function of w).

*asked on February 16, 2016* -
## Chemisty

You need 520. mL of a 15 % (m/v) glucose solution. If you have a 25% (m/v) glucose solution on hand, how many milliliters do you need?

*asked on December 4, 2015* -
## Chemisty

You need 520. mL of a 15 % (m/v) glucose solution. If you have a 25% (m/v) glucose solution on hand, how many milliliters do you need?

*asked on December 4, 2015* -
## algebra

The price of products may increase due to inflation and decrease due to depreciation. Derek is studying the change in the price of two products, A and B, over time. The price f(x), in dollars, of product A after x years is represented by the function

*asked on August 10, 2015* -
## EXPONENTS

Which is equal to 3^3/3^-1? A -81 B -1/81 C 1/81 D 81 The options totally confuses me because I thought it would have to be 3^2

*asked on April 15, 2015* -
## math

The perimeter of a rectangle is 62 inches. If the length of rectangle is four inches less than four times the width find the dimensions.

*asked on September 9, 2014* -
## economics

what are the consequences of providing welfare and subsidies in South Africa?

*asked on September 8, 2014* -
## algebra

angles of a triangle The second angle of a garden triangle is four times as large as the first. the third angle is 45 degrees less than the sum of the other two angles. find the measure of each angle. 15 x 4=60 x 3 = 180 side a=15 side b = 60 sIDE C = 3

*asked on August 24, 2014* -
## Algebra

H. If you are paid a weekly base salary of $200 plus an hourly wage of $5.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify an amount between 25 and 50 hours worked for 1 week and determine your gross pay for that week.

*asked on August 14, 2014* -
## MATH

Please help I am supposed to verify that cot^2x+tan^2x =sec^2xcsc^2x-2 I just can't seem to get the two equations to equal to each other.

*asked on May 9, 2014* -
## Chem

A block of metal has a width of 3.2 cm , a length of 17.1 cm , and height of 5.2cm . Its mass is 1.2kg . Calculate the density of the metal

*asked on September 12, 2013* -
## Chemistry

The question is: What is the molarity of the copper (II) chloride solution your teacher provided? Show calculations. Obtain the true molarity of the copper (II) chloride solution and calculate percent error. I have done this so far trying to answer the

*asked on April 23, 2013* -
## English 102

What is "Imagine there is no Heaven" by Salman Rushdie about? I was looking for a general summary because I don't understand

*asked on February 5, 2013* -
## Math

The amount of money Kylie spends on food to the amount she spends on gas per week is 7:4. She spends $45 more on food than gas. How much does she spend on food? How much does she send on gas? On one of the weeks, she spends an additional $75 on food for a

*asked on January 16, 2013* -
## statistics

An insurance company charges its policy holders an annual premium of $200 for the following type of injury insurance policy. If the policy holder suffers a "major injury" resulting in lengthy hospitalization, the company will pay out $15,000 to the injured

*asked on September 24, 2012* -
## Math-Stats

An insurance company charges its policy holders an annual premium of $200 for the following type of injury insurance policy. If the policy holder suffers a "major injury" resulting in lengthy hospitalization, the company will pay out $15,000 to the injured

*asked on September 24, 2012* -
## Calculus

What would the values of A, B, and C be in this problem? The tides in a particular bay can be modeled with an equation of the form d= A cos (Bt) + C, where t represents the number of hours since high-tide and d represents the depth of water in the bay. The

*asked on August 22, 2012* -
## Calculuc

How do you set up this problem? The decay constant for the radioactive element cesium 137 is .023 when time is measured in years. Find its half-life.

*asked on August 22, 2012* -
## Maths

I was given a question on number patterns. The queston states tha I must keep adding one table to increase the amount of seatings by keeping it in a square formation. I need to giv a general formula but I am struggling with the sequence

*asked on April 4, 2012* -
## Spanish-Please check my work

Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking

*asked on January 29, 2012* -
## History

The world can be divided into West (Occident) and East (Orient) Describe the origins of this division, and How are they... different in culture? language? and religion? Thanks for any and all help!!!

*asked on December 18, 2011* -
## Math

Write the equation of the line passing through the point (-2, -4) and perpendicular to y= (-1/2x)-1

*asked on December 14, 2011* -
## Calc

Evaluate the function at the given values of the independent variable and simplify. f(x)= {x^2)-3 if x is less than or equal to -2 {6x+1 if x > -2 a. f(-3) b. f(0) c. f(-2) How do I solve this/what are the correct answers so I can check my work?

*asked on December 14, 2011* -
## Calc

Calculate the exact values of sin(theta) cos(theta) and tan (theta) when theta=240 degrees. How would I do this with and without a calculator?

*asked on December 9, 2011* -
## Math

State the exact values of the following. cos(360 degrees) sec(7pi/2) tan(-9pi/2) How do I do these? Thanks!

*asked on December 9, 2011* -
## ENG 101

Im taking my first college class in ENG 101 and i need to write an persuasive essay and Im having a hard time. I was wondering if anyone can help me come up with an outline or what I reasons that I can provide and I can come up with minor details. Here is

*asked on December 2, 2011* -
## science

Aside from temperature change what is another but less major reason why sea levels might rise due to climate change?

*asked on October 24, 2011* -
## science

Aside from temperature change what is another but less major reason why sea levels might rise due to climate change?

*asked on October 24, 2011* -
## Math (please help)

n/3-8=-2 what is n?

*asked on October 19, 2011* -
## Algebra

5/2x-8/1=-3

*asked on October 19, 2011* -
## psy

I have read prior post and my book but I can not figure out what is the connection between learning theory and mechanistic and reciprocal interactionism? I am not even sure if the definitions I have are correct although my answers were graded and excepted.

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

An open box is to be constructed so that the length of the base is 4 times larger than the width of the base. If the cost to construct the base is 5 dollars per square foot and the cost to construct the four sides is 3 dollars per square foot, determine

*asked on April 9, 2011* -
## English-Please Help?

John Updike's short story entitled "Son" covers four generations, correct-great grandfather, grandfather, father and son, correct? I dogpiled this and can't find anything on it. If anyone can direct me paragraph- by paragraph who is being spoken about, I'd

*asked on February 17, 2011* -
## English

Can someone direct me to where I can get an analysis of "Son" by John Updike-I have searched everywhere and I'm totally confused on this short story Thank you

*asked on February 16, 2011* -
## Math

x^+y^=36 y=x+2 Find exact solution for the system of equations

*asked on February 9, 2011* -
## Math

How do you find the solution to this system of equations? y=x+2 y=x(squared)

*asked on February 9, 2011* -
## Physics

A mass-on-a-spring system has a spring constant k = 384 N/m and a mass m = 0.51 kg. (a) If it is given an initial displacement of 0.22 m and then released, what is the initial potential energy of the oscillator? = 9.29 J (b) What is the maximum kinetic

*asked on December 9, 2010* -
## college

HIO3 + FeI2 + HCl --> FeCl3 + ICl (in acidic solution) Show and label the two balanced half-reactions (oxidation and reduction). Add H2Os, H+s or OH-s as needed.

*asked on October 23, 2010* -
## Physics

I had this question last night for Dr. Bob-A fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it

*asked on September 23, 2010* -
## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

*asked on September 22, 2010* -
## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

*asked on September 22, 2010* -
## chemistry

what is the freezing point of pure acetic acid being stirred and not being stirred. also at what point does it become a solid then a liquid, and vice versa.

*asked on July 10, 2010* -
## Biology

The objective is to trace a drop of blood from an ear lobe capillary to a big toe capillary specifying all blood and heart structures it passes through. What would be a good website to refer to for help with this?

*asked on May 22, 2010* -
## Health

Describe two approaches or indicators to measure patient outcomes. If I could locate a book on the subject I would, but I don't know of any resources. Thanks

*asked on May 18, 2010* -
## Chemistry

Can someone explain what properties of carbon make it so versatile? Thank you

*asked on May 17, 2010* -
## math

3. You recently started the paperwork to purchase a new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in

*asked on April 25, 2010* -
## Biology

What is the habitat and # of living species of: 1.single celled protozoa 2.joint legged arthopods 3.back bone chordates

*asked on April 1, 2010* -
## Geometry

A diameter of a circle is 32 yards long. A chord is 11 yards from the center. How long is the chord?

*asked on March 24, 2010* -
## Geometry

How would you solve these? The radius of a circle is 34 meters long, and a chord of the circle is 60 meters long. How far is the chord from the center of the circle? The diameter of a circle is 60 inches and a chord of the circle is 48 inches long. How far

*asked on March 24, 2010*

## Pages

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