Tuesday

May 31, 2016
Total # Posts: 704

**Math**

Find slope of the tangent like when x=1 and y=12
*May 25, 2016*

**Math**

If i pick a number anywhere from 1 to 1000 at random, what is the probability that the number is divisible by either 2 or 5?
*May 23, 2016*

**L.A.**

You're a Good Man, Charlie Brown and "Happiness Is a Charming Charlie Brown at Orlando Rep" have very different purposes. In a paragraph, discuss how the purpose of each selection is revealed and why the purpose of each fits the genre, or kind of writing. Use ...
*May 17, 2016*

**Math**

1. What is true of a random sample A. It is only one way to sample a population B. Each member of the sample is a volenteer C. It is the easiest way to sample a population D.
*May 5, 2016*

**Fitness (Check answers)**

Yes!
*April 27, 2016*

**Fitness (Check answers)**

The answer is TRUE.
*April 27, 2016*

**Fitness (Check answers)**

The lack of balance can lead to disease. True or false My answer is FALSE.
*April 27, 2016*

**Chemistry**

I need help please. The question is vinegar, or a dilute of CH3COOH (acetic acid), should have a molarity of around 0.83 M. Using the Ka for acetic acid, what should the pH of vinegar be?? Thank you!!
*April 26, 2016*

**math**

I don't understand the part of "one of my factors is 7" can you explain that to me Ms.Sue?
*March 25, 2016*

**math**

I am a three digit number the sum of my digits is 10. my first digit and my last digit are the same what number am i? A 181 B 262 C 343 D 505
*March 25, 2016*

**History**

What strategies are used in propaganda? Which strategies do you think have the greatest impact on the viewer? Why?
*March 24, 2016*

**History**

What are the risks and benefits of propaganda campaigns?
*March 24, 2016*

**Calculus**

If the area under the curve of f(x) = x2 + 2 from x = 1 to x = 6 is estimated using five approximating rectangles and right endpoints, will the estimate be an underestimate or overestimate? Underestimate Overestimate The area will be exact The area cannot be estimated with ...
*March 15, 2016*

**Chemistry**

If it requires 23.4 milliliters of 0.65 molar barium hydroxide to neutralize 42.5 milliliters of nitric acid, solve for the molarity of the nitric acid solution. Show all of the work used to solve this problem. Unbalanced equation: Ba(OH)2 + HNO3 -> Ba(NO3)2 + H2O
*March 15, 2016*

**Social studies**

How might the Pacific island Trade Agreement (Picta) help the Pacific Islands trade with major markets all over the world Answer choices The region as a whole could partner to sell to bigger markets It will help the Island's sale to each other not other markets It will ...
*March 15, 2016*

**Calculus**

Suppose the integral from 2 to 8 of g of x, dx equals 5, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of the integral from 2 to 6 of 2 times g of x, dx . 8 MY ANSWER 12 16 4
*March 15, 2016*

**math**

The ratio of cats to dogs at jazzy Jen's pet store is 3 to 5 .If there are 24 animals at the pet store,how many of them are cats?
*March 14, 2016*

**Chemistry 101 **

In addition to uranium, which elements were known to emit radioactive "rays" before M. Curie discovered radium?
*March 4, 2016*

**Chemistry 101 **

If the curries were able to extract 8.5ug of radium from 8.5 tons of pitchblende, what was their rate of recovery? (in percent please)
*March 4, 2016*

**Chemistry 101 **

How many evaporation's did the curies have to make before they finally isolated radium?
*March 4, 2016*

**Chemistry 101 **

This is the question 10.0 grams of nitrogen is reacted with 10.0 grams of the element phosphorus under certain conditions to yield trinitrogen diphosphide. Answer these questions. 1). Write a balanced equation. 2). which reactant is limiting? In excess? 3). Theoretically, how ...
*March 4, 2016*

**Chemistry 101**

If a solution containing 20.0 grams of nickle (11) chloride is mixed with an aqueous solution of containing 15.0 grams of silver nitrate,, determine the mount of silver chloride that theoretically will precipitate. How much nickle (11) nitrate is formed? Which reactant is ...
*March 4, 2016*

**Chemistry 101 **

10.0 grams of nitrogen is reacted with 10.0 grams of the element phosphorus under certain conditions to yield trinitrogen diphosphide. Answer these questions. 1). Write a balanced equation. 2). which reactant is limiting? In excess? 3). Theoretically, how many grams of ...
*March 4, 2016*

**Chemistry 101 **

If a solution containing 20.0 grams of nickle (11) chloride is mixed with an aqueous solution of containing 15.0 grams of silver nitrate,, determine the mount of silver chloride that theoretically will precipitate. How much nickle (11) nitrate is formed? Which reactant is ...
*March 4, 2016*

**Social studies**

To reduce confusion: 1. A, C, and D 2. B and C 3. B, C, and D 4. B and C 5. A, B, and D These would be the correct answers! Hope that helps! Number one is your question :)
*March 2, 2016*

**Chemistry 101 **

If gold sells today for 1625 per ounce, and a large mining truck hauls 400 tons of gold ore, what is the value of the gold in each truck if each ton of gold ore contains 1.0 ounces of gold? Use dimensional analysis.
*February 25, 2016*

**Chemistry 101 **

If gold sells today for 1625 per ounce, and a large mining truck hauls 400 tons of gold ore, what is the value of the gold in each truck if each ton of gold ore contains 1.0 ounces of gold? Use dimensional analysis.
*February 25, 2016*

**please help**

omg im working on the same thing my essay is due tomorrow and i cant find the answers to anything if you find anything let me know and if i find anything i will let you know imm so stressed
*February 24, 2016*

**please help **

What are some of the climate types in Africa? What kind of resources does each region produce? What are some types of crops that are grown in Africa? What is the vegetation like in Africa?
*February 24, 2016*

**Chemistry 101 **

If a piece of granite weighing 250.0 grams is heated in boiling water to a temperature of 100 C and then placed in a calorimeter containing 400.00 grams of water, the temperature of the water increases from 20.0 C to 28.5 C. what is the specific heat of Granite?
*February 10, 2016*

**Chemistry 101 **

The mileage for a motorcycle with a fuel tank capacity of 22 liters is 35 miles per gallon. The density of gasoline is 0.74 g/cm^3.(dimensional analysis problem) a). How long a trip, in KM can be made on a full tank of gasoline? b). if the price of gasoline is $1.99 per gallon...
*February 9, 2016*

**Chemistry 101 **

Joe Smith, the chemical engineer from Acme Chemical Company, wanted to determine the final volume in a large glass cylinder is he dropped a 12.52 pound ingot of lead whose density was 11.3 g/cm^3 into the cylinder which already contained 2500. mL of water. What is the final ...
*February 9, 2016*

**Chemistry 101**

isn't the density given in g/cm^2 though? and the mass is mL. It seems like there are 2 different units here. They also want the answer in grams. so m= d x v 7.50mL x 7.85 g/cm^2= 58.9 (what unit mL or g.cm^2?)
*February 9, 2016*

**Chemistry 101 **

A student using a 100mL graduated cylinder that contained 50.00mL of water. Th volume of the water increased to 57.50mL. The density of the object was 7.85 g/cm^2. How many grams did the metal object weigh?
*February 9, 2016*

**Chemistry 101**

This would be the correct answer I was looking for. Mass 2.00 Grams Volume sphere = (4/3)*pi*r^3 Find radius first 1.00/2= 0.500in/2.54cm/1in ( the inches cancels out your left with 1.27 cm as the radius. Volume of a sphere (4/3)(3.14)(1.27)^3=8.58 Density = 2.00g/8.58cm^3= 0....
*February 9, 2016*

**Chemistry 101 **

A spherical bass has a diameter of 1.00 inch and a mass of 2.00 grams. Will the ball float or sink water? Remember that if the ball's density if greater than 1.00 g/mL the density of water, the ball will sink. Also remember to use dimensional analysis.
*February 9, 2016*

**Government (Reed)**

I dont understand social contract?
*February 2, 2016*

**Government ` Reed**

You talk in person with other people??? Reed?
*February 2, 2016*

**Government**

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No ...
*February 2, 2016*

**social studies (again)**

They absolutely have meaning.
*February 2, 2016*

**poetry**

from details about blossoms in both the first and third haiku what conclusion can you draw? the poet feels exceedingly lonely the poet lives in an urban setting the poet enjoys the gentle beauty of nature the poet enjoys the drama of nature at its most intense Please help i ...
*January 29, 2016*

**Chemistry 101 **

A spherical bass has a diameter of 1.00 inch and a mass of 2.00 grams. Will the ball float or sink water? Remember that if the ball's density if greater than 1.00 g/mL the density of water, the ball will sink. Also remember to use dimensional analysis.
*January 28, 2016*

**Chemistry 101 **

A piece of metal weighing 10.65 grams releases 3450 joules of heat energy when it is cooled from 99.9c to 28.5c. Wheat is the specific heat capacity of the metal in J/g c..
*January 28, 2016*

**Chemistry 101 **

A rectangular prism has these dimensions and mass: length = 12.6 cm,, width = 1.256 feet, and thickness = 456 mm. Its mass is 1.2347 pounds. Determine its density in g/cm^3.
*January 28, 2016*

**Calculus**

I don't know how to go about this question. The number of elephants in a park is estimated to be p(t)=7500/(1+749e^-0.15t) Where t is the time in years and t=0 corresponds to the year 1930. Find the inverse p(t) and the interpretation of that.
*January 28, 2016*

**Calculus**

I don't know how to go about this question. The number of elephants in a park is estimated to be p(t)=7500/(1+749e^-0.15t) Where t is the time in years and t=0 corresponds to the year 1930. Find the inverse p(t) and the interpretation of that.
*January 28, 2016*

**Chemistry 101 **

A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required?
*January 27, 2016*

**Chemistry 101 **

if an organic liquid has a density of 1.11 g/mL and has a measured volume of 500. mL, what mass of liquid is present?
*January 27, 2016*

**Chemistry 101 **

A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required? Mass= Volume X Density 2.00g x 0.785 g/Cm^3 = 1.57g/cm^3 Not sure is this is correct......
*January 27, 2016*

**Chemistry 101 **

A sample containing 0.0750 pounds of metal pellets is poured into a graduated cylinder initially containing 22.4 mL of water. The water level rises to 31.3 mL. calculated the density of the metal.
*January 25, 2016*

**Chemistry 101 **

Convert 115 miles to feet, inches, centimeters, millimeter, and kilometers. Show set-ups.
*January 25, 2016*

**Chemistry 101 **

A rectangular prism measuring 12.5 in by 1.134 ft by 11.7 cm has a density of 7.89 g/cm^3. How much does the object weight in grams, kilograms, and pounds?
*January 25, 2016*

**Chemistry 101**

so: v= 4/3*3.14*0.5^3= 0.52 then take 2.00g/ 0.52 = 3.85g (ball will sink)
*January 25, 2016*

**Chemistry 101 **

A spherical ball has a diameter of 1.00 inch and a mass of 2.00grams. Will the ball float or sink in water? Remember that if the balls's density is greater than 1.00 g?mL (the density of water), the ball will sink.
*January 25, 2016*

**Chemistry 101**

Thanks!
*January 25, 2016*

**Chemistry 101**

So would it be 7.85 g/cm^3 x 7.50mL do you have to convert the mL and the g/ Cm^3? What unit would the mass be? grams or mL...
*January 25, 2016*

**Chemistry 101 **

A student using a 100mL graduated cylinder that contained 50.00mL of water. Th volume of the water increased to 57.50mL. The density of the object was 7.85 g/cm^2. How many grams did the metal object weigh?
*January 25, 2016*

**Chemistry 101 **

The distance from the Earth to the sun is approximately 9.37 x 10^7 miles. How long does it take for light from the sun, to reach the earth? Speed of light is 3.00 x 10^8 m/s. Use dimensional analysis to solve.
*January 21, 2016*

**Chemistry 101 **

A crown is determine to weigh 2.65 kg. When this crown is submerged in a full basin of water, the overflow is found to be 145 mL. Is the crown pure gold or a gold-silver alloy? The density of silver is 10.5 g/mL and gold that of gold is 19.3 g/mL. Show work.
*January 20, 2016*

**Chemistry 101 **

Solumedrol 1.5 mg per KG of body weight is ordered for a child weighing 2.0 pounds. Solumedrol is available as 75 mg / mL solution. How many mL should the nurse administer? Use dimensional analysis..
*January 19, 2016*

**Chemistry 101 **

Calculate the mass of a cylindrical cork of diameter 1.00 inches and length 2.50 inches. Pay attention to significant figures, Cork density 0.26 g/ mL
*January 19, 2016*

**Chemistry 101 **

What is the mass of water (in grams and pounds). contained in a 100. foot long pipe that has an internal diameter of 6.5 centimeters? The density of water is 1.00 g/ cm^3. The volume of a cylinder is (pi)r^2L.
*January 19, 2016*

**Chemistry 101 **

The distance from the Earth to the sun is approximately 9.37 x 10^7 miles. How long does ti take for light from the sun to reach the earth? Speed of light is 3.00 x 10^8 m/s. Show work.
*January 19, 2016*

**Chemistry 101 **

Joe Smith, the chemical engineer from Acme Chemical Company, wanted to determine the final volume in a large glass cylinder is he dropped a 12.52 pound ingot of lead whose density was 11.3 g/cm^3 into the cylinder which already contained 2500. mL of water. What is the final ...
*January 18, 2016*

**Chemistry 101 **

Joe Smith, the chemical engineer from Acme Chemical Company, wanted to determine the final volume in a large glass cylinder is he dropped a 12.52 pound ingot of lead whose density was 112.3 g/cm^3 into the cylinder which already contained 2500. mL of water. What is the final ...
*January 18, 2016*

**Chemistry 101**

Where did you get the 2 to divide by? and what about the 30.48? Not sure of how to set this problem up. 6.5/2= 3.25 and I do not see that in the problem?
*January 18, 2016*

**Chemistry 101 **

What is the mass of water (in grams and pounds). contained in a 100. foot long pipe that has an internal diameter of 6.5 centimeters? The density of water is 1.00 g/ cm^3. The volume of a cylinder is (pi)r^2L.
*January 18, 2016*

**Chemistry 101**

your wrong.
*January 18, 2016*

**Chemistry 101 **

A carpenter is building a deck and needs 750 board meters of ACC chemically treated lumber. The individual boards com in 8 foot and 12 foot lengths. How many boards will he need to complete the deck? If the boards retail at Home Depot for $1.25 per board foot, how much will he...
*January 18, 2016*

**Chemistry 101 **

A crown is determine to weigh 2.65 kg. When this crown is submerged in a full basin of water, the overflow is found to be 145 mL. Is the crown pure gold or a gold-silver alloy? The density of silver is 10.5 g/mL and gold that of gold is 19.3 g/mL
*January 18, 2016*

**Physics**

isn't it how long to fall 160 meters? (1/2) g t^2 = 160 not how long to fall 160 meters? (1/2) g t^2 = 60
*January 17, 2016*

**Physics **

The pilot of an airplane traveling 160 km/h wants to drop supplies to flood victims isolated on a patch of land 160m below. The supplies should be dropped how many seconds before the plane is directly overhead?
*January 17, 2016*

**math**

What is the range 36 75 63 49 83 46 54 79?
*January 12, 2016*

**4th grade math**

I am so stuck on this problem. Andrea made 10 cups of soup. she pours 3/4 cup in 5 bowls. how much soup is left
*January 11, 2016*

**math**

m - 7 <6 m < -1 *** m > 1 m < 13 m < -13 please check my answer!!!!!!
*January 4, 2016*

**Science**

i say A also
*January 4, 2016*

**Math**

Find the domain and all the intercepts for this equation. y=-2x^4+3x^2
*December 15, 2015*

**math! URGENT!!!!!**

it = 155.... now what?
*December 3, 2015*

**math! URGENT!!!!!**

can someone please help me and show me how to work out percent change from $1.55 to $2.60
*December 3, 2015*

**Physics**

Any form of guidance or help will be greatly appreciated. Thank you!
*November 26, 2015*

**Physics**

Joan comes across a deep ravine. She was planning on this as she packed a 3.8 m portable telescoping extension ladder. It has a mass of 15 kg. She was told that in order to get to the skull’s last known location, she must get across this 2 m gap. --- | \3.8m | \ __|_2m\...
*November 26, 2015*

**Federal Income Tax or Tax Law**

If Pauline transfers an asset to Frank and the asset is subject to a liability that is assumed by Frank, how does Frank's assumption of the liability affect the amount realized by Pauline on the transfer? How does Frank's assumption of the liability affect his basis in...
*November 22, 2015*

**Math**

How do you divide 1248 by 8?
*November 21, 2015*

**math**

If 1 centimeter on a map represents 300 kilometers then 2.5 cm represents___km.
*November 16, 2015*

**language arts...please check my answers**

is it became???
*October 27, 2015*

**language arts...please check my answers**

choose the linking verb to complete the sentence Gemma _____ the first female winner of the annual poetry contest? congratulated photographed became knew
*October 27, 2015*

**Is this right Ms Sue ???**

through their study on earth, geographers learn how earth and its people affect ? human health the solar system each other political systems***
*October 26, 2015*

**Kennedy**

616 is the correct answer you multiply 28 x 22, how much the milk cost is information that is not important
*October 26, 2015*

**please check my answer!!!**

through their study on earth, geographers learn how earth and its people affect ? human health the solar system *** each other political systems
*October 26, 2015*

**geography..please check my answers!!!**

which pair of basic questions guides geographers in their work? where are things located? and Why are they there? **** What is the climate? and Why was it changed? When did Earth form? and What is it made of? Who lived where? and When did they move?
*October 26, 2015*

**please check my answers!!!**

thank you so much, I think that is the only question I wanted to make sure of the answer but thanks for the offer
*October 26, 2015*

**please check my answers!!!**

All of the following advances in technology contributed to the Age of Exploration EXCEPT the mariner's compass. circumnavigation. the astrolabe. the caravel. ***
*October 26, 2015*

**Ms Sue please check my answers !!!!**

the caravel? @anon
*October 26, 2015*

**Ms Sue please check my answers !!!!**

All of the following advances in technology contributed to the Age of Exploration EXCEPT the mariner's compass. circumnavigation. the astrolabe. **** the caravel.
*October 26, 2015*

**Is this right Ms Sue ???**

Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search *** search for more than one topic narrow down your topic by combining words
*October 25, 2015*

**please check my answers Ms Sue!!!**

Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search search for more than one topic narrow down your topic by combining words**
*October 25, 2015*

**please help Ms Sue !!!!**

Yes it is B :) I'm a different Lilly xD
*October 25, 2015*

**please help Ms Sue !!!!**

i think its d.....am i right?
*October 25, 2015*

**please help Ms Sue !!!!**

Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search search for more than one topic narrow down your topic by combining words
*October 25, 2015*

**algebra**

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis
*October 22, 2015*