Questions Asked on
August 26, 2010

chemistry
2H2O2  2H2O + O2 is this a redox reaction if so what is the oxidized reactant and reduced reactant
asked by Kelsey 
Chemistry
What would be the steps to solving this problem? The aluminum sulfate hydrate [Al2(SO4)3 (times) xH2O] contains 8.20 % Al by mass. Calculate x, that is , the number of water molecules associated with each Al2(SO4)3 unit.
asked by Amy~ 
Algebra
After a 5% raise your new salary is $ 63000. Before the raise your salary was?? Help. Please.
asked by Ryan 
5th grade
what is the analogy to height:inches:weight?
asked by makenzie 
NSU
The Omega pharmaceutical firm has five salespersons, whom the firm wants to assign to five sales regions. Given their various previous contacts, the salespersons are able to cover the regions in different amounts of time. The amount of time (days) required
asked by Ross 
Math
Eve:"Doris and I are twins" Ann: "Doris and Eve are not twins" Doris: "Ann and I are not twins" Who are the twins?
asked by Nicole 
Physics
When two vectors vector A and vector B are drawn from a common point, the angle between them is phi. If vector A and vector B have the same magnitude, for which value of phi will their vector sum have the same magnitude as vector A or vector B?
asked by Ami 
Chemistry APDensity
The level of water in a graduated cylinder is at the 100 mL mark. When a platinum crucible floats on the surface of the water, the level reads 157.9 mL. When the crucible is totally immersed in the same cylinder, the level reads 102.70 mL. What is the
asked by Victoria 
Chemistry
The steps to getting the answer. A certain metal oxide has the formula MO where M denotes the metal. A 39.46g sample of the compound is strongly heated in an atmosphere of hydrogen to remove oxygen as water molecules. At the end, 31.70g of the metal is
asked by Amy~ 
Child psychology
Studies on the development of sexual orientation highlight the importance of A.genetics B. environment C. prenatal hormones D. multiple factors I said A the enviroment, Now thinking its D
asked by Anonymous 2 
math
28/32 28/4=7 32/4=8 7/8
asked by anonymous1 
Chem 101
Consider the reaction of 82.0 g of oxygen as follows: 4Fe + 3O2 2Fe2O3 How many moles of oxygen react? How many moles of iron must react? How many moles of product form? What mass of product forms?
asked by Samuel 
algebra1
friday's temperature was 20 degrees warmer than monday's temperature t. write an expression for friday's temperature.... my answer is 20dregees + T is that correct?
asked by alanaR. 
psychology
Within groups, differences in intelligence are highly correlated with_______. Between groups, differences are highly correlated with ________. a) heritability: environment b)environment: genes c) heritability:random error in measurment d) genes: the
asked by Rina 
algebra 1
for many skyscrapers, the height of one story is equal to about 12 feet. (a. write an expressing that approximates the height in feet of a skyscraper that is s stoires tall. (b. estimate the hieght in feet of skyscrapers that are 20, 24, 28, and 32 stories
asked by alanaR. 
physics
The disk shaped head of a pin is 1.0 mm in diameter. Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead? 1. 10 to the 34th power 2. 10 to the 19th power 3. 10 to the 24th power
asked by Kailey 
geometry
The coordinates for points C and R are (1, 4) and (6, 4), respectively. RS and CD intersect at P (3, 2)
asked by Ashley 
Psychology
Within groups, differences in intelligence are highly correlated with_______. Between groups, differences are highly correlated with ________. a) heritability: environment b)environment: genes c) heritability:random error in measurment d) genes: the
asked by Rena 
physics
To combat wasteful habits, we often speak of “conserving energy,” by which we mean turning off lights and hot energy,” by which we mean turning off lights and hot water when they are not being used, and keeping thermostats at a moderate level. In
asked by Anonymous 
Algebra Help
Write the equation of a perpendicular bisector of the segment joining the points: (7,2) and (3,0). Okay, so I don't even know what a bisector is. Is there a formula for this or something? If some could someone tell me it. Or tell me the process.
asked by Kendra 
History
Please give me suggestion on this essay that I wrote. Thanks. Discuss the origins of World War I. Can any single country be blamed for starting the war? In what ways did the alliance system, implemented to maintain a peaceful balance of power in Europe, in
asked by Adesuwa 
reading (Beloved by Toni Morrison)
In the book Beloved by Toni Morrison, who or what is Beloved? (need at least 3 theories, suggestions, guesses, etc)
asked by May 
Critical thinking
Explain in a easy way of abiguity
asked by dave johnson 
math
What if Julie is thinking of an even number between 12 and 29with digits whose difference is 7? What is the number?
asked by Anonymous 
prealgebra
Think of a 19 multiplication table, are there more odds or evens, is it different from a 19 addition table
asked by Kiera 
dynamics, check my ans
Three identical train locomotives, on separate tracks, apply the maximum force needed to begin moving. The first train consists of a single empty freight car, the second train consists of 50 empty freight cars, and the third train consists of 50 equally
asked by jenny 
Density
A new penny has a mass of 2.54 g and a volume of 0.354 cm3. Is the penny made of pure copper? what is its density? thanks:) Density is mass/volume but I don't know how to find it with g and cm3
asked by Maria 
math
two angles are complementry. one angle measures 50 degrees what is the measurement of the other angles 18050=130 so it 130
asked by anonymous1 
math
the circumference of the circle is 24cm what is the radius? 24=2 pi r 24/3.14=8 8/2=4 4cm
asked by anonymous1 
math
what are some rational expressions used by accountants
asked by spiderman 
language fundemtal
nouns? happy child
asked by lp 
math
a car is traveling at the rate of 40 miles per an hour. how many minutes will it take it to travel 220 miles? 220/40=5.5 5.5*60=330 330
asked by anonymous1 
math
a wheel has a diameter of 31.8 inches. what is the circumfernce?
asked by karlie 
economic
Imagine that you are a business owner. Choose whether to hire a new person in the marketing department or upgrade your computer system. Each choice requires the same amount of investment. Address the following topics: What factors do you use to determine
asked by Anonymous 
literature
hopkins's use of "seared","bleared",and "smeared"is an example of?
asked by Anonymous 
Science
how do the properties of compounds often compare with the properties of the elements that make them?
asked by Diamond 
math
what is the prime factorization of 84 a2^2x3x7 b2^2x3+7 c2^3x3^2 d2x3^2
asked by anonymous1 
science
how to find out the mass of your shoe
asked by salome 
physics
To combat wasteful habits, we often speak of “conserving energy,” by which we mean turning off lights and hot energy,” by which we mean turning off lights and hot water when they are not being used, and keeping thermostats at a moderate level. In
asked by Anonymous 
math
3% of 80 2.4
asked by anonymous1 
math
evaluate 7/15 + 2/5 7/6 + 1/4 + 7/12
asked by Sammy J 
math
50% of 182 182x.50=91 91
asked by anonymous1 
science
THE VOLUME OF A GLASS OF JUICE
asked by salome 
math
14m^2n6m^2n= a 20m^2 b 8m^2n c 8m d 8 e 8m^4n^2
asked by anonymous1 
math
unscramble letters into 3 words m a s r r l a e a e h c d d i
asked by jackson 
math
A pack of 250 key blanks cost $23.50. What is the unit price? If each key costs a customer $1.75, and it takes 2 minutes for Darren to cut a key, how much does Darren make per hour? If Darren, as the business owner, pays himself $800 per week, how much
asked by Leona 
math
x+y=7 xy= 3 2+5=7 25= 3 7,3
asked by anonymous1 
math
Part 1 If 1/4 cup of Egg Beaters equals 1 egg, how much Egg Beaters do we need if we only want 1/3 egg? The solution should be expressed in cups. Part 2: Convert your answer in part 1 to tablespoons or teaspoons, whichever unit gives a whole number. Let
asked by Leona 
math
4/n = 8/5 8n=20 20/8=2.5 2.5
asked by anonymous1 
math
2/3=n/72 3n=144 144/3=48 48
asked by anonymous1 
Alg 2
Complete the equation for te function picturEd in each mapping diagram. The domain is 1,2,3,4 and the range is 2,4,8,16. The equation is a number times X what's the equation. The book says that the answer is 2x but I don't know how they got that. Please
asked by Jessica 
math
unscramble letters into 3 words m a s r r l a e a e h c d d i
asked by jackson 
math
7.5*100=7500
asked by john 
math
n/12=3/4= 4n=36 36/4=9 9/12=3/4 9
asked by anonymous1 
geometry 11th grade
suppose the coordinate of 9 is 2, pq=8 and pr=12. what are the possible coordinates of the midpoint of the given segment qr
asked by cody 
math
explain how you can find the sum 25+59 using mental math
asked by tyquan 
math
16/24=_________ 16/8=2 24/8=4 1/2
asked by anonymous1 
MATH
WRITE IN WORD&EXPANDED FORM 4,568,347
asked by LAURA 
History
Thanks, for for your suggestion.Please check on the following questions, if I have the correct answers. Question 1 During World War I the most striking break from prewar conditions on the home front was Answer (A)the use of volunteer armies. (B)central
asked by Adesuwa 
8th grade
4+6x9x=3x
asked by Dee 
math
1.032+0.987+3.07= 1.032+0.987=2.019 2.019+3.07=5.089 5.089
asked by anonymous1 
9th grade
two of the forms of a linear equation are standard form and slopeintercept form. explain when each one is more useful
asked by Donna 
math
(2r+s)14r= A28rs B15p^4t C15p^4t^2 D8p^2t e8p^4t^2 c
asked by anonymous1 
math
4x2=10 4x22=10 2
asked by anonymous1 
language
I am trying to do a report on the following and can't find any sites that contain info to make report. Looking for various types of humans that have lived on earth since time began. thanks for any help
asked by nick 
math
Simplify the equation: 8^3 X 8 I know that 8^3 is 1/512 so do I now multiply the 8 to the 1 and 512?
asked by Hannah 
math
Simplify the expression: (x^9y^4)^6 x^54/y^24 Is this correct?
asked by Hannah 
science
A mixture of two gases, Xe and H2, has the properties listed below. PXe=190torr PT=250torr What is the ΧH2 for this mixture? I'm sorry I really don't get this.
asked by Tiffany 
math
sin^1(sin 7pi/6)
asked by mathew 
Business Communication
Which of the following sentences advocates an idea in a positive way? A."I can't see anyone buying the product at that price." B."The unit is way overpriced." C."Customers can get a better deal anywhere else." D."We can corner the market if we discount the
asked by Kimberly 
chemistry
28.66ml(.7857 g/cm cubed)= meters
asked by Maria 
Cultural Diversity
what are two to three characteristics of Orientalism? How may Orientalism and prejudice contribute to hate crimes against Muslim and Arabic groups?
asked by michelle 
Math(Please help)
Simplify the equation: 8^3 X 8 I know that 8^3 is 1/512 so do I now multiply the 8 to the 1 and 512?
asked by Hannah 
Math(Please help)
Simplify the expression: (x^9y^4)^6 x^54/y^24 Is this correct?
asked by Hannah 
algebra 2
1/5(b+10)7=1/3(b+9)
asked by champ 
algebra
35ab/105bc
asked by tifani 
Chem 2 enthalpy
How much heat is evolved when 25.5 g of benzene freezes at 5.5 Celcius (molar heat of fusion is 9.94 kJ/mol and molar mass of benzene= 78.0 g/mol)
asked by Anonymous 
Rational Expressions
How do you know when to move the number to the left or the right. For example (x5)/(x+8)=5/7 or (y2)/(y+2)=3/7 I know the first problems answer is 2/75 and the second is 5 and in both cases I seem to mess up on the last part of moving the numbers like
asked by April 
phy
A horse canters away from its trainer in a straight line, moving 140 m away in 16.0 s. It then turns abruptly and gallops halfway back in 5.0 s. (a) Calculate its average speed. (b) Calculate its average velocity for the entire trip, using "away from the
asked by ami 
physics
A stone is dropped from the top of a cliff. It hits the ground below after 3.10 s. How high is the cliff?
asked by ami 
math
have to label the sides of a vertices
asked by jasmine 
9th grade
I am woking on Patterns and Inductive reasoning. I need help on numbers 1416. Find the next two sequence. 14. Martha, Abigail, Martha, Dolley... 15. Geroge, Thomas, Abe, Alexander.... 16.Aquarius, Pisces, Aries, Taurus.... Please help me!
asked by Lola 
physics
. When a driver applies brakes to keep a car going downhill at constant speed and constant kinetic energy, the potential energy of the car decreases. Where does this energy go? Where does most of it appear in a hybrid vehicle?
asked by Anonymous 
Chem 101. Science
Rank the following samples in mass from least to greatest. a) 2 x 1023 S atoms b) 0.25 mol of Cu atoms c) 2 mol of N atoms d) 6 x 1023 Na atoms
asked by Samuel 
Chem 101 science
Rank the following samples in number of atoms from least to greatest. a) 2 mol of K atoms b) 48 g of S c) 27 g of Be d) 50 g of Na
asked by Samuel 
8th grade math
The area of Manhattan Island is 641, 000,000 square feet. According to legend, the Indians sold it to the Dutch for $24. Estimate the area that was purchased for one cent.
asked by Shaun 
phy
A baseball is hit nearly straight up into the air with a speed of 24 m/s. (a) How high does it go? (b) How long is it in the air?
asked by ami 
algebra 1
please explain to me how I work out problems such as "23" to get the correct answer and show the same on a number line
asked by joe 
math 5th grade
Q 1. Find all the multiplication combinations you can for these two numbers, using whole numbers. Start by multiplying two factors. Then find ways to multiply with more than two factors. 18 & 180 Q 2. How did finding the ways to multiply with two numbers
asked by Katelee 
MATH
What is 3/4 of 4/9 kilogram?
asked by Sammy J 
science
the absorption of heat by any substance is dependant upon
asked by sean 
ALGEBRA 2 W/TRIG
What is the slope for y=3/4x+1?
asked by ashly 
9th grade
what three criteria can help you evaluate health information
asked by jesus 
phy
A helicopter is ascending vertically with a speed of 5.50 m/s. At a height of 155 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the
asked by ami 
geo
patterns
asked by amanda 
Calculus
A baseball, hit 3 feet above the ground, leaves the bat at an angle of 45' and is caught by an outfielder 3 feet above the ground and 300 feet from home plate. What is the intitial speed of the ball, and how high does it rise? So far i have got a few
asked by Jerry 
math
why, when doing probability and rolling dice with inclusive numbers.... do you subtract 1 ?
asked by tana 
science
As the atmosphere heats, the air _______ and becomes _________.?
asked by sean 
algebra1
evalute each expression for r=6, s=5, and t=3.... sr, 56? what do i do next? i don't think i can do anything else, pls help me
asked by alanaR. 
algebra
what is four less than eighteen
asked by Anonymous 
physics
A car going at 30 m/s undergoes an acceleration of 2m/s squared for 4 seconds. What is it's final speed? How far did it travel while it was accelerating?
asked by Anonymous 
spanish 1
Can any one help me answer these questions, i am having trouble because i haven't received my book yet. Modelo: Elena / Colorado ¿De dónde es Elena? Es de Colorado. 1. la profesora Guzmán / España 2. usted / Texas 3. tú / Arizona 4. ellas / Chicago
asked by Jake 
math
If a ball is dropped from from 288 ft above the ground, how long does it take to reach ground level?
asked by Gina 
spanish
and then from this i got 2 correct Modelo: You want to greet Mrs. Gutiérrez. It is 10:00 A.M. Buenos días, señora Gutiérrez. 1. You want to greet Mr. Gutiérrez. It is 2:00 P.M. Your response: Buenos días, señor Gutiérrez. es el dos de la mañana
asked by Jake 
algebra1
write an algebraic expression for each verbal expression. then write a realworld situation that couyld be a modeled by expressio. (what does it mean by realworld) like theres this on. the product of 2 and x, my answer is 2x, 2 times x... is it correct?
asked by alanaR. 
spanish
in Latin America, to several friends Your response: ellos Points earned: 0 out of 1 what pronoun would you use??
asked by Jake 
Math
Simplify the equation: 8^3 X 8 I know that 8^3 is 1/512 so do I now multiply the 8 to the 1 and 512?
asked by Hannah 
spanish 1
17 What would you say in the following situations? 1. You are dancing with a friend and accidentally step on his/her toe. 2. A friend gives you a birthday present. What do you say to him/her? How does he/she respond? 3. You want to pass by some people who
asked by Jake 
mat115
please help with math problem. Can you show me the work. 7(7)7(23) ____________ 2(6+9) Thanks for your help!
asked by adore001 
algebra 1
this promblem will prepare you for the real world connection. the air around u puts pressure on ur body equal 14.7 pounds per square inch (psi). when you are underwater, the water exerts additional pressure on ur body. for each foot u r below the surface
asked by alanaR. 
Math
how do I graph the equation 2x+y=0?
asked by Jennifer 
science
what is a control?
asked by shannon 
algebra 1
ASTRONOMY an object's weight on mars can be found by multiplying 0.38 by the object's weight on mars. a) an object weighs p pounds,on earth. write an expression for its weight on mars. my answer is 0.38p, is it correct? b)dana weights 120 pounds, and her
asked by alanaR. 
Physics
M/5=30 M=?
asked by Jerry 
Chemistry
What is the freezing point of an aqueous 2.25 m potassium nitrate (KNO3) solution? The freezing point of pure water is 0.0ºC and Kf of pure water is 1.86ºC/m.
asked by Cecilia 
science
fog forms whenever there is a loss of heat from the earth through
asked by pam 
Physics
100= 1/2 50 v* v=? *squared* 10=(50v)/4 v=?
asked by Jerry 
history
what presidents make up mt rushmore
asked by annie 
us history
where can i go to read a text book if i forgot it at school
asked by brad 
digital photagraphy
What would be in the priiciple of design abobut a tree in front, and the backround being dark?
asked by raquelle 
math
Roundes to the nearest ten I am 40. The sum of my digits is 11.
asked by katia 
algebra1
which expression represents x? _________________________ x ^ 5 _________________________ 12 a) 125 b) 12 + 5 c) 12(5) d) 12 divied by 5... my answer is A, is it correct?
asked by alanaR. 
chemistry
Fill in the blanks. (a) 5.6 ft2 = ____ in2 (b) 5.6 yd2 = _____ ft2 (c) 5.6 m2 = ____ yd2 can you please explain how to do it
asked by Rebekah 
science
how are fossil fuels a part of the carbon cycle?
asked by nichole 
Rational Expressions and Equations
How do you know when to move the number to the left or the right. For example (x5)/(x+8)=5/7 or (y2)/(y+2)=3/7
asked by April 
mat115
Please help me with this math question. I am asked to show my work but I don't know how to solve the problem to show my work. The question is: Choose the correct list of factors of the number 8. Again, I have to show my work with this question. Please help
asked by adore001 
Algebra
Write the equation of the line that passes through the (2,1) and is perpendicular to y=5. Okay, I don't understand how I can do this without a slope.
asked by Kendra 
math
You make $ 90000 a year, and you get a 10% raise. Your new salary is $ .??? The next year you get a 10% cut. Your new salary is $ ????. That is ??? % less than your initial salary. How would I go about solving this??
asked by Brian 
English
1. When you call to others, use the home phone. 2. Call to others' home phone numbers. 3. With the home phone, call to others' home phones. Don't use cell phone when you call others' cell phones. Use the Interphone. It's much cheaper. (Are the expressions
asked by rfvv 
12th grade  Math
Identify the system as consistent, inconsistent or dependent. Explain your choice. 1.) 3x  2y = 12 6x  4y = 24 2.) x= 5 y= 4
asked by Liz 
physics
a rock is dropped from a cliff falls onethird of it's total distance to the ground in the last second of it's fall. how high is the cliff?
asked by chelsea 
calculus
Find the antiderivative of x^4... Isn't it 4x^3+c? Please help... Thanks!
asked by deb 
biology
what is the geologic time scale
asked by roel 
science
how are fossil fuels formed???
asked by nichole 
calculus help
Find the points where the tangent line is horizontal or vertical. Find the area under one period of the curve. x= r(deta  cos deta) Y= r(1 sin deta)
asked by stan 
algebra
what is 2=6/7p
asked by zack 
algebra 1
real world situation that could be modeled by the expression b less than 17
asked by alanaR. 
12th grade  Math
Explain. 1.) To solve x(x5)=0 either factor may be equal to zero. 2.)  815i  = 17 3.) The solution for x^2 = 2 cannot be found graphically. [any help or explanation is greatly appreciated]
asked by Liz 
geometry
the length of a rectangle is 9 inches. write an expression for the area of the rectangle if the width is w inches. find the area of the rectangle when the width is 1,8,9, and 11 inches.
asked by alanaR. 
IDk wut subject
how do you know if a penny is pure copper?
asked by Sara 
English
Sometimes he painted in his studio based on the sketches he drew outside. (is this sentence grammatical? What is the sense subject of 'based'? What other sentences can we make which have the same meaning?)
asked by rfvv 
Math
how do you add,subtract,and multiply decimals? please don't put a link.
asked by brxce 
science
how long is earths orbit and its roatation?
asked by christian 
Algebra
Kate cut a 100foot rope into two pieces. One piece was 5 feet longer than 4 times the length of the other. Find the length of each piece.
asked by Jacob 
Calculas
In the early 1960s, radioactive strontium90 was released during atmospheric testing of nuclear weapons and got into the bones of people alive at the time. If the halflife of strontium90 is 32 years, what fraction of the strontium90 absorbed in 1965
asked by Cratch 
Physics 1
The cartesian coordinates of a point in the xy plane are x= 3.64 m, y = 1.75 m. 1. Find the distance, r, from the point to the origin. Answer in units of m. 2. Calculate the angle between the radiusvector of the point and the positive x axis (measured
asked by Kailey 
computer science
Describe how an operating system that uses paging could make stacks grow dynamically if the original size proves too small. What would the page table data structures look like? Explain what would happen when a thread's stack grows past the area that has
asked by super 
algebra
Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. In a basketball game, Will scored 26 points, consisting only of threepoint shots
asked by star 
math
Explain what benchmark you would use to estimate the number of people that can ride on a bus.
asked by esteban 
English
can anyone come up with an idea for a short narrative for the poem "In the tube" by Richard Aldington. it has to fill a gap in the poem, in other words it has to say what it hasn't in the poem. the focus is on 'marginalization' i have to write an
asked by star 
math
Explain what benchmark you would use to estimate the number of people that can ride on a bus.
asked by esteban 
chemistry
how could you find the mass and volume from this info Acetone (fingernailpolish remover) has a density of 0.7857 g/cm3.
asked by Sara 
business math
If a parking meter has 100 coins in it that add up to $14.50, how man are dimes and how many are quarters?
asked by lauri 
science
what is the meaning of denitrification?
asked by cuticess 
algebra1
an internet serive provider charges $9.95/month for the first 20 hours and $0.50 for each additonal hour. write and expression presenting the charges for h hours of use in one month h is more than 20 hours. what is the charge for 35 hours... pls show me
asked by alanaR. 
English
I just would like to know if the following sentences are possible. Thank you. She wasn't allowed to enter the bus.(or get on/take the bus?) The price of sugar increased of 20% (better by?)
asked by Franco 
History
Please give me suggestion on thie essay that I wrote.However, maybe there is some points missing. Thanks. How did imperialism impact nonwestern economies? How did Europeans achieve these transformations of local economies? What were the effects of those
asked by Adesuwa 
algebra1
for many skyscrapers, the height of one story is equal to about 12 feet. (a. write an expressing that approximates the height in feet of a skyscraper that is s stoires tall. (b. estimate the hieght in feet of skyscrapers that are 20, 24, 28, and 32 stories
asked by alanaR. 
marketing
Mass marketing is dead versus Mass Marketing is still a viable way to build a porfitable brand?
asked by jhean 
History
Please can anyone check my answers to this question if is correct or not. Thanks. Question 1 In 1907, in order to balance the Triple Alliance, the Triple Entente was formed by Answer (A)Italy, France, and Britain. (B)France, Russia, and Britain. (c)
asked by Adesuwa 
adult education
Already Tried: Proposal to Solo Practitioner or Head of Firm For your Midterm Project, you will draw upon what you have learned so far in this course. Recall back to Unit 2, where you developed guidelines for ensuring network security in your office. In
asked by TAMI 
Algebra
how do i get rid of the fractions in this expression ? its supposed to be using order of operations original problem: (6^2 + 18) divided by 9 + 2/3(8)6
asked by Catherine 
Calc. Help
Simplify. #1. 5(2i)  3(4+3i) ..my work: 105i129i 214i Do you leave this as the answer or can you simplify it further? #2. (2i√2)²
asked by Hayden 
math
i don't know how to get rid of the fractions in these linear equations, can someone help ? one: 9/2(x+3) 4 =23 two: 3/4(248x)=2(5x +1)
asked by Catherine 
Math
Dave has quarters, dimes and nickles in his bank. He has 3 more dimes than quarters and 6 less nickles than quarters. There are 63 total coins. How many are quarters?
asked by Josh 
mat115
Need help with this math question and need to show work. A computer transmits 11 web pages in 4 seconds to a web server. A second commputer transmit 33 pages in 8 seconds to the server. are these two computers transmitting at the same speed. Yes or no and
asked by adore001 
History
I have read the suggested link you and my conclusion is writting below. Thanks,for all your suggestions. Question 2 During World War I the most striking break from prewar conditions on the home front was Answer (A)the use of volunteer armies. (B)central
asked by Adesuwa 
Math
An equilateral triangle is one in with all three sides are length. If two vertices of an equilateral trangle (0,4) and (0,0), find the third vertex. How mant of these triangles are possible? How would you slove this??
asked by Jane 
English
I need help to error free assignment. Sappho born 630 B.C. in Lesbo. She was lyric poet. She wrote poetry that was admired by ancient world. Her poetry work was very personal in nature .She talk about herself, family , daughter and lovers. She also
asked by hiba 
conversion problems
convert 3.1 L to quarts
asked by Rebekah 
science
Which of the following is the MOST destructive force associated with tornadoes? a) The destructive pressure of the high winds associated with the tornado. b) The explosive pressure difference between the inside of a home and the lower pressure outside due
asked by carl bennett 
science
Which of the following statements is FALSE? a) The first stage of a thunderstorm's development is the cumulus stage. b) Warm air is less dense than cold air c) The cumulus stage of a thunderstorm usually features heavy rains.
asked by carl bennett 
MATH!
bob and his dad visited the hardware store on saturday. they observed the following transaction: Mr. Harris bought 4 for $0.50, Mrs. clark bought 21 for $1.00, Mr. Montaro bought 1,134 for $2.00 and Ms. Park bought 450 for $1.50. what were they buying?
asked by Anonymous 
mat115
need help with computing this problem: 81 + (13) need work shown. Thanks for your assistance
asked by adore001 
Economics
A factory producing motorcycle helmets employs six workers. At the current production level, each worker produces 20 helmets per week. Assuming that labor is the only variable input and that the weekly wage equals $600 per week, average variable cost: a.)
asked by Mary 
math
What geometrical shape is a top hat?
asked by THerese 
phy
what assumption have you made in performing the free fall lab experiment and analyyzing the results?
asked by ami 
English
I had to write five sentences in which I used 5 different tenses. Here is what I wrote: Education helps financial planning by giving basic skills needed for better jobs and higher wages. (Present) Education will help financial planning by giving basic
asked by Katie 
Chemistry Help!
The reaction is O3 + NO arrow O2 + NO2 If 0.740 g O3 reacts w/ 0.670g of NO, how many grams of NO2 will be produced? I've tried to solve this. but I can't seem to get the right answer
asked by Amy~ 
Calc HELP!
an equilateral triangle is one in with all three sides are length. If two vertices of an equilateral trangle (0,4) and (0,0), find the third vertex. How mant of these triangles are possible? How would you sove this???
asked by Anonymous 
economics
can anyone explain to me how to solve for P, if Q=2402P?
asked by Christina 
English Help 2
Through out her poetry, she seems to be very passionate about her love .she talks about her lover “He seems to me Equal to Gods” .She thinks ,Her love for that man is undesirable .She loves him very much that she worship him like a God. She is at the
asked by hiba 
Physics
Within a book on a desk there are billions of forces pushing and pulling on all the molecules. Why is it that these forces never by chance add up to a net force in one direction, causing the book to accelerate "spontaneously" across the desk?
asked by Jenna 
high school
Explain in your own words the difference between an account that is earning simple interest for 5 years and another account that is earning interest that is compounded annually for 5 years
asked by kenneth 
biology
do some seeds have no cotyledons?
asked by Anonymous 
Chemistry
What is the freezing point of an aqueous 2.25 m potassium nitrate (KNO3) solution? The freezing point of pure water is 0.0ºC and Kf of pure water is 1.86ºC/m.
asked by Cecillia 
math
which number is greater 3.546 or 3.56
asked by matt 
trig
How do I find 2 tan squared time x = sec times x 1
asked by Will 
math
Aparty has a $500,000 IRA. How should he divides the money into fund A for 5.2% annually, and Fund B for 7.7% annually, to produce an annual income of $30,000?
asked by lauri 
Math
Vehicle A averages 14 miles per gallon of gasoline, and Vehicle B averages 36 miles per gallon of gasoline. At these rates, how many more gallons of gasoline does Vehicle A need than Vehicle B to make a 1,008mile trip?
asked by Kelly 
chemistry
An aluminum engine block has a volume of 4.86 L and a mass of 12.75 kg. What is the density of the aluminum in grams per cubic centimeter?
asked by maryanne 
zoology
why all chordates are vertebrates but all vertebrates are not chordates? i need it badly
asked by sharmili 
mat115
Need assistance with this problem. I have computed the problem but my answer isn't matching one of the multiple choices. What am I doing wrong? 116 ____ 77 11  7 = 4 4  6/7 = 3 + 7/7  6/7 =3 1/7 which is the same as 22/7 the multiple choices on my
asked by adore001 
science
The measure of the weight of the air above us is called "________."?
asked by shorty 
science
Hail is only observed directly under the cumulonimbus cloud in which it's formed. a) true b) false
asked by shorty 
math
1.x15=4 6.12x=60 7.x8=10 2.x7=3 3.x/2=12 4.6x=42 5.x+9=22
asked by grachi 
Algebra
1
asked by Bob 
science
When cold air moves below warm air (which rises), we feel _______, depending on how fast the air moves. a) an earthquake or earth tremor b) a drizzle or rainstorm c) a breeze or wind d) a tornado or thunderstorm d
asked by help 
chemistry
to DrBob222 wouldn't it be like this then 4.86L/12.75kg*1000cm^3/1L*(1kg/1000g)^3
asked by maryanne 
computers
How does organization culture play a role in the successful reliance on the JAD process to identify and gather business requirements? Would JAD work in your company? Why or why not?
asked by Anonymous 
percentages
You and your coworker together make $ 16 per hour. You know your coworker earns 10 percent more than you do. Your hourly wage is $ ???? your hourly wage is raised to $ 12. This is a raise of ??? After returning to work you can't help mentioning casually to
asked by Brianna 
algebra1
can someone please tell me if my answers are correct to my previous question...
asked by alanaR. 
science
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard
asked by gilbert 
5th grade math
what is 2 to the first and second power? component problem
asked by jack 
math
cos((sin^1) 1/2)) sin^1(sin 7pi/6)
asked by kelly 
science
writ the following science ideas mathematically using symbolic representation You learn that for every 1,000 meters you know the temperature drops by 6`c. You have the idea that if you know the temperature at the base of a mountain and its height you can
asked by anonymous1 
math
write the following science ideas mathematically using symbolic representation you observe that one fox eats 100 rabbits each year. you have an idea that every increase of one in fox population will cause the rabbit population to decrease by 100 fx100=
asked by anonymous1 
math
in a pottery class the ratio of oys to girl is 9:15.which fraction is an equivalent form of this ratio . f2/7 g3/5 h3/4 j2/3 9/3=3 15/3=5 i think its g
asked by anonymous1 
domains of development
describe why it is important to consider each domain in the study of adult development
asked by amber 
math
what is the largest whole number x for which 2x is less than 13.7?
asked by Aaron 
math
the expression 1/12 / (1/4 + 5/12) is equivalent to a  1/18 b  7/12 c  1/8 d  1/2 1/4= 3/12 3/12 + 5/12= 8/12 1/12 / 8/12 = 1/12 x 12/8 12/96=1/8 c1/8
asked by anonymous 
Intermediate algbra
How can I solve t^4  11t^2 + 18 = 0
asked by whitney 
chemistry
28.06 mL to grams
asked by maryanne