Thursday

February 11, 2016
Total # Posts: 91,575

**Geography**

where
*February 7, 2016*

**Geography**

Explain scale when studying languages I can't really find where that is
*February 7, 2016*

**Geography**

Being from the same language family, how can the connection between Southeast Asia and parts of Africa be explained?
*February 7, 2016*

**Geography**

how can an official language reflect the history of an area
*February 7, 2016*

**Physics**

A glider with mass m=0.200kg sits on a frictionless horizontal air track, connected to a spring with force constant k=5.00N/m. The glider is released from rest with the spring stretched 0.100 m. What is the displacement x of the glider from its equilibrium position when its ...
*February 7, 2016*

**english**

in Woo'd and Married and A describe the effect the bridegrooms words had on his young bride .
*February 7, 2016*

**maths lit,life science,agric,geography**

can I qualify to be agricultural inspector?0790748629
*February 7, 2016*

**physics**

nvm i got it, kept changing mg to g instead of kg
*February 7, 2016*

**physics**

For its size, the common flea is one of the most accomplished jumpers in the animal world. A 2.30 mm -long, 0.540 mg critter can reach a height of 18.0 cm in a single leap. a) Neglecting air drag, what is the takeoff speed of such a flea? -i got 1.88m/s b) Calculate the ...
*February 7, 2016*

**Physics**

A glider with mass m=0.200kg sits on a frictionless horizontal air track, connected to a spring with force constant k=5.00N/m. The glider is released from rest with the spring stretched 0.100 m. -What is the displacement x of the glider from its equilibrium position when its ...
*February 7, 2016*

**Math**

Ingrid walked her dog and washed her car . She spent 3 times as much time washing her car as she did walking her dog. it took Ingrid 1 1/2 hours to wash her car .How long did it take Ingrid to walk her dog ? Equation: Variable represents:
*February 6, 2016*

**Calculus**

i tried but the answer i received was not 6.5, which is the correct answer.
*February 6, 2016*

**Calculus**

How do I use three vertices to calculate the area of a triangle? The three vertices are (0,0), (2,1), and (-1,6). I've figured out that the equations of the lines that make up the triangle are y = -6x, y = (1/2)x, and y = (-5/3)x + 4.34ish. Now I have to integrate to find ...
*February 6, 2016*

**statistics**

1. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and a standard deviation of 4. Do not use the web calculator to answer the following questions. Instead, use the Z distribution table below and ...
*February 6, 2016*

**math**

10.5x16
*February 6, 2016*

**chemistry **

how do i decide which stationary phase to choose if solute i want to separate is relatively non-polar??
*February 6, 2016*

**algebra**

@PsyDAG, First of all, the Dumb Kid is a joke. Second of all, that does not work. I do online homework by Russian School of Math, (Don't know if you have heard...) and they check it one you hit answer. If you have it right, its green if it is wrong, you re do it. you also ...
*February 6, 2016*

**algebra**

June has $1.95 in dimes and nickels. She has a total of 28 coins. How many of each type of coin does she have?
*February 6, 2016*

**Spanish**

Empezar in Affirmative tu positive, negative and empezar in negative usted and ustedes commands
*February 6, 2016*

**Pre-Calculus**

x = 2/7 is a root of 49x^3 - 126x^2 + 60x - 8 = 0. Factor the polynomial completely and list all real solutions. My answer: (x - 2)(7x - 2)^2 = 0 factored, and the solutions are x = 2 and x = 2/7.
*February 6, 2016*

**Pre-Calculus**

Messed up big time... It's 7x^2 + 57x + 396 + 2780/x - 7.
*February 6, 2016*

**Pre-Calculus**

f(x) = 7x^3 + 8x^2 - 3x + 8 Find f(7) using synthetic division, and list the numbers in the bottom row of the division. My answer: The numbers in the bottom row are 7, 58, 403, and 2829. The answer is 7x^2 + 58x + 403 + 2829/x - 7.
*February 6, 2016*

**math**

ms sue is it b
*February 6, 2016*

**math**

it is b or c right
*February 6, 2016*

**math**

Which of the following is an example of a variable expense? A rent B groceries C wages D car insurance cant figure this out! help?
*February 6, 2016*

**math**

4 Luke can purchase a 12-pound item from several different retailers. Which of the following is the best buy? A Buy online for $15 plus pay shipping and handling costs of $0.79 per pound. B Buy online for $17 plus pay shipping and handling costs of $0.69 per pound. C Buy at a ...
*February 6, 2016*

**English II(urgent)**

Thanks* sorry autocorrect
*February 6, 2016*

**English II(urgent)**

Okay thanksgiving!
*February 6, 2016*

**math reasoning**

the library charges 5 cents for the first day and 2 cents for each additional day that the book is over due if the borrower paid 65 cents in late charges for how many days was the book overdue
*February 5, 2016*

**Math**

$20.54
*February 5, 2016*

**Math**

$24.00x.2=4.80 24.00-$4.80=$19.20x.07= what?
*February 5, 2016*

**Math.**

George has 2 quarters, 2 dimes and 2 nickels. Using at least one of the 6 coins, how many different amounts of money can he make?
*February 5, 2016*

**Chemistry**

1,15g of a non-volatile compound is dissolved in 75,0g of benzene. The boiling point of the solution 0,125ºC has a value greater than the corresponding pure benzene. Calculate the molecular weight of the compound.
*February 5, 2016*

**Surveying**

A manhole is 12 ft from the centerline of a 30-ft wide street that has a 6-in. parabolic crown. The street center at the station of the manhole is at elevation 612.58 ft. What is the elevation of the manhole cover?
*February 5, 2016*

**Chemistry**

Is the unbalanced reaction for copper + silver nitrate Cu + AgNO3 = Cu(NO3)2 + Ag or Cu + 2AgNO3 = Cu(NO3)2 + Ag?
*February 5, 2016*

**Science**

The stage of viral replication in which the viral nucleic acid is released inside the cell is ?
*February 5, 2016*

**Science**

List at least three atmospheric properties that might change as you traveled from the Earth's surface to space. Temperature, gases, air pollutants?
*February 5, 2016*

**English, tourism, agricutural sciences ,geographyand mathematics lit**

What career or job could i do n can i go to vasity to study further with this subject
*February 5, 2016*

**Calculus**

y = f(x) = x^2 - 3 x (a) Find the average rate of change of y with respect to x in the following intervals. from x = 2 to x = 3 Incorrect: Your answer is incorrect. from x = 2 to x = 2.5 Incorrect: Your answer is incorrect. from x = 2 to x = 2.1 Incorrect: Your answer is ...
*February 5, 2016*

**chemistry**

What are the names of Calcium in its ionic form the relationship of that element, in its ionic form, with our health? I understand calcium chloride is ionic form of calcium but the others what are others that have a relationship with our health?
*February 5, 2016*

**Math**

Thank you but I guess that's what I'm not understanding. What does the n-1 mean exactly? And then why is the numerator that with minus 2? In know the numerator is 2 less than the denominator but I guess I'm just not catching on to why you call it that. Thank you.
*February 5, 2016*

**Math**

I'm having some difficulty understanding finding patterns to the nth degree. Here is my problem: -1, 1/3, 7/9, 25/27, 79/81, 241/243 I recognize the pattern in the denominators is multiplying by 3 and the pattern in the numerators is that they are two less than the ...
*February 5, 2016*

**English**

:) Have a nice day.
*February 5, 2016*

**English**

Thank you. I am saying "In a freshman class of 3500 students....."
*February 5, 2016*

**English**

When referring to an entire class body, such as 500 students, is it correct to say freshmen or freshman?
*February 5, 2016*

**Calculus**

one top of a tower 50 m high is clock 3m in diameter. where a man 5 feet 6 inches stand on the ground so that he could have a possible view of the clock.
*February 5, 2016*

**chemistry**

what is the mass of an empty 75 mm test tube?
*February 5, 2016*

**Math**

I apologize for asking for clarification because I did not understand.
*February 4, 2016*

**Chemistry**

suppose 4.52 g H2o and 20.09 g So3 are produced. How many grams of H2So4 decompose? Wouldn't the answer be 24.61?
*February 4, 2016*

**Chemistry **

1. How could a chemistry student change NaOH(s) to NaOH(aq)? s= solid aq= aqueous 2.) How could a chemistry student change NaOH(s) to NaOH(l) s= solid l= liquid
*February 4, 2016*

**Algebra**

The mean on a Advanced Algebra test was 78 with a standard deviation of 8. If the test scores are normal distributed, find the interval about the mean that contains 99.7% of the scores. Use the empirical rule.
*February 4, 2016*

**Calculus**

Two hallways, one 8 feet wide and the other 6 feet wide, meet at right angles. Determine the length of the longest ladder that can be carried horizontally from one hallway into the other.
*February 4, 2016*

**math help**

Louis says that if the differences between the values of x are constant between all the points on a graph, then the relationship is linear. Do you agree? Explain.
*February 4, 2016*

**Math**

Zefram analyzed a linear relationship, found that the slope-intercept equation was y 3.5x 16 , and made a prediction for the value of y for a given value of x. He realized that he made an error calculating the y-intercept and that it was actually 12. Can he ...
*February 4, 2016*

**Chemistry- Dr. Bob222**

Methanol (CH3OH) is a colorless volatile liquid, formerly known as wood alcohol. It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. What is methanol’s vapor pressure at 22.0 °C? My answer: 109.5 torr
*February 4, 2016*

**math**

In the figure xyz is an isosceles right triangle. What is the measure of xyz. A. 135 degrees B. 50 degrees c. 90 degrees d. 45 degrees
*February 4, 2016*

**English academy.chemistry**

Complete the following reaction 2F2(g) +2H2O(ĺ)=?
*February 4, 2016*

**Chemistry**

What happens to the pH of an acidic solution when it is heated
*February 4, 2016*

**English 11**

Which of the following is NOT a primary source? a. a magazine article b. a news paper article c. an analysis of a poem d. All of the above i think its A. a magazine poem but i'm not sure
*February 4, 2016*

**Calculus**

Two hallways, one 8 feet wide and the other 6 feet wide, meet at right angles. Determine the length of the longest ladder that can be carried horizontally from one hallway into the other. Thank you so much..
*February 4, 2016*

**Calculus**

Two hallways, one 8 feet wide and the other 6 feet wide, meet at right angles. Determine the length of the longest ladder that can be carried horizontally from one hallway into the other.
*February 4, 2016*

**Maths **

What is 5.5 Newton meters in pounds per square inches
*February 4, 2016*

**math**

How much sugar would you need to make a one-layer cake
*February 4, 2016*

**Calculus**

A 10-foot section of gutter is made from a 12-inch-wide strip of sheet metal by folding up 4-inch strips on each side so that they make the same angle with the bottom of the gutter. Determine the depth of the gutter that has the greatest carrying capacity.
*February 4, 2016*

**Calculus**

A 10-foot section of gutter is made from a 12-inch-wide strip of sheet metal by folding up 4-inch strips on each side so that they make the same angle with the bottom of the gutter. Determine the depth of the gutter that has the greatest carrying capacity.
*February 4, 2016*

**math**

1. You want to invest $10,000 dollars. How long will it take to double your investment at an annual interest rate of 10%, compounded continuously? (Round your answer to the nearest year)
*February 4, 2016*

**math**

A pinion gear with 10 teeth is driving a spur gear with 40 teeth. the spur gear is rotating at 160 rpm. determine the speed of the pinion gear?
*February 3, 2016*

**Science**

The answers are 1. A 2. B 3. A 4. D Just took the quick check for 8th grade science at INCA
*February 3, 2016*

**Science**

1. How does a mutation in the DNA affect the way proteins are made? A) a mutation in the DNA results in miss happen tRNA molecules ** B) a mutation in the DNA results in a chance in the mRNA, but it does affect the protein C) a mutation in the DNA affects the structure of mRNA...
*February 3, 2016*

**Stats**

Arachnophobia. A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid of spiders. At a summer camp there are 10 teenagers sleeping in each tent. Assume that these 10 teenagers are independent of each other.52 (a) ...
*February 3, 2016*

**Calculus**

During the initial stage of launching a spacecraft vertically, the acceleration a(in m/s^2) is a=6t^2. Find the velocity in the spacecraft after 6 seconds.
*February 3, 2016*

**High school**

. A cement manufacturer has a cost of production of $28 for each bag of cement produced and the sells a bag of cement for $40. The monthly fixed cost of the manufacturer is $180,000. a. Derive the monthly cost function of the manufacturer? b. Derive the monthly revenue ...
*February 3, 2016*

**Math**

area=length*width 30=6*width width=30/6=5feet
*February 3, 2016*

**Calculus**

Find the area bounded by the indicated curves. y=x^2, y=0, x=2
*February 3, 2016*

**Geometry**

s one side of a rectangular fish tank best represented by a point, line, plane, or ray?
*February 3, 2016*

**6th grade math**

Suzy earned $6.10 per hour in 2008 and $9.15 in 2011. How many times greater was the amount Suzy earned per hour in 2011 then in 2008? $9.15 - $6.10= $3.05
*February 3, 2016*

**Math**

What more than half of seventeen?
*February 3, 2016*

**Math**

Suzy earned $6.10 per hour in 2008 and $9.15 in 2011. How many times greater was the amount Suzy earned per hour in 2011 then in 2008 $9.15 - $6.10= $3.05
*February 3, 2016*

**Math**

The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 3 hours for a car moving at 40 mph. How long does the trip take for a car moving at 60 mph?
*February 3, 2016*

**Math**

If there were 150seats in the cafeteria and 128 were filled how many seats were left
*February 3, 2016*

**Chemistry**

So do I have to write it as 2AgNO3 instead of just AgNO3?
*February 3, 2016*

**Chemistry**

Explain in words what is happening in the reaction between copper and silver nitrate.
*February 3, 2016*

**help pleaze with science**

Describe the weather in africa
*February 3, 2016*

**Help Plz!!!!!!!!!!! History**

help
*February 3, 2016*

**Help Plz!!!!!!!!!!! History**

Select one of the environmental issues facing both the United States and Canada. Explain how the countries have worked together to solve this problem. Plz Help!!!!!111
*February 3, 2016*

**need some math help**

Gordy is a goalie for a neighborhood soccer team.He played in 65% of the 20 games this season.In how man games did he not play? Explain A.6 B.7 C.10 D.13
*February 3, 2016*

**math help**

Gordy is a goalie for a neighborhood soccer team.He played in 65% of the 20 games this season.In how man ygames did he not play? Explain A.6 B.7 C.10 D.13
*February 3, 2016*

**Math HELP**

where are you Ellen. :(
*February 3, 2016*

**Math HELP**

????????
*February 3, 2016*

**Math HELP**

so is it c?
*February 3, 2016*

**Geography**

1. Living in an ethnically diverse city can help the diffusion of culture due to the different backgrounds and way of living everyone has. You are exposed to different types of music, clothes, foods, and different points of views. You learn that there are many different types ...
*February 3, 2016*

**Geography**

What are the main benefits of living in an ethnically diverse city? What are some potential challenges of living in an ethnically diverse city?
*February 3, 2016*

**science**

what is a phase where chromatin condenses to form chromosomes
*February 3, 2016*

**Bio**

You cross homozygous spherical, heterozygous yellow plant with a dented green plant. How many do you expect from an offspring of 100 should be spherical and yellow
*February 3, 2016*

**math**

6pack = 13.98 6 ind = 13.98+3.96 = 17.94 each costs = 17.94/6 =2.99
*February 3, 2016*

**Statistics**

Arachnophobia. A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid of spiders. At a summer camp there are 10 teenagers sleeping in each tent. Assume that these 10 teenagers are independent of each other.52 (a) ...
*February 3, 2016*

**Government Help Please**

Which of the following statements is most accurate? 1) Members of Congress are charged with representing only the people in the district in which they live. 2) Members of Congress are charged with representing only the people throughout their entire state. 3) Members of ...
*February 3, 2016*