Thursday
July 31, 2014

Posts by Molly


Total # Posts: 457

American Government
Which is NOT a responsibility of the Department of Energy? To formulate national energy policy To research and develop nuclear and energy technology To regulate the distribution of electricity and natural gas To oversee the construction of national highways

Chemistry
I need help on these three questions. For all three of them you're supposed to write a balanced equation for each neutralization. Then, to find the concentrations of the unknown solutions if the following reactions are found to reach equivalence by titration. The three que...

science
UNSCRAMBLE RDOCRROUTINEDEVELOPMENT to make 2 words having to do with the reproductive system

Family
What career is more worthy to go to college for and save the most money? A.) Vet Tech B.) Preschool/Kindergarden Teacher C.) Pilot D.) Manager A or B ??

A Peculiar Question
ya its like when u eat moths, the little gunky stuff that comes out is called the !@#$%^&.

math
Brandon has a 55-gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear model of this situation, x represents the number of minutes the tank has been draining. Relative to this situation, what does the y-intercept represen...

algebra
Brandon has a 55-gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear model of this situation, x represents the number of minutes the tank has been draining. Relative to this situation, what does the y-intercept represen...

Physics
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture. The tire remains stationary in spite of the three pulls. Alex pulls with force of magnitude 207 N, and Charles pulls with force of magnitude 18...

Physics
It does not state how to get b and I have been looking through my book and other textbooks and online but cannot find how.

Physics
I did not copy and paste. I simply stated to copy and paste into the Google search bar this question and there are many results with this similar question. Just copy and paste this question and click the first link tha appears (I cannot type the url)and there are three problem...

Physics
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the picture. The tire remains stationary in spite of the three pulls. Alex pulls with force of magnitude 207 N, and Charles pulls with force of magnitude 18...

algebra
Which graph best represent following expression|x-1|>2

algebra
Use properties of real numbers to rewrite expression(3/5)(5/3)answers are 8/15,, 15/8,, 0, 1

algebra
Name the property of real numbers illustrated by the equation2·(8·7)=(2·8)·7answers are distributive property, associative property multiplication, communicative property, associative addition

algebra
Name the property of real numbers illustrated by the equation2·(8·7)=(2·8)·7

algebra
Insert<,>or=to make the sentence true -1/3-2/5 answers are. = < >

algebra
Graph the number on a number line 10/7

algebra
To which set of numbers does the number belong-55 answers are, Natural, whole, integers, irrational

algebra
Which inequality represent the following eight fewer than a number is at least sentence 20 answers are. X-8>20. 8-X>20, x+8<20. X-8<20

algebra
Solve the equation or formula for the indicated variable s=3r4t+or t answers are. t=s/3-r. t=r4-3s t=s/3r4. T=811/s

algebra
Solve the equation|2x+10|>26 answers are x<-36or x>16,, x>-18or x<8, x<-18or x>8,x<-8or x>8

algebra
The equation y-100x=2000 can be used to represent monthly salary of a salary of a salesman ,y when he sells x computer system what is the salesman monthly salary if he sells no computer. Answers are 20, 100, 2000, 2100 thank you

algebra
Which of the following is equal to (2x/5-9)+9. Answers are 2x/5, 5x/2, 2x/5-45, (2 x-9)+45

algebra
Which equivalent form following equation 2x-3y=3

algebra
Name property real number illustrated by equation 5+(15+6)=(5:+(15)+6

algebra
Solve the inequality |2x+10|>26

algebra
Solve inequality |2 x+10|26

algebra
Which equivalent form following equation 2x-3y=3 need help doing test thank you

algebra
What is an equivalent form of the following equation 2x-3y=3

algebra
Need help doing a test change the test equation y-100x=2000can be used to represent monthly salary of a salesman when he sells x computer system what is the salesman monthly salary if he sells no computer

algebra
Show all steps solve the problem evaluate the expression for given value of variable|-4b-8|+|-1=b2|+2b3:b=-2

algebra
Need help for a test show all steps to solve problem evaluate the expression for given value of variable. -(4h-1) line is under 4h-1 under line is|th then it is ;h=2 can't text back on kindle don't have a button to reply thank you

algebra
Show all steps solve the equation check for extraneous solution 9|9-8 x|=2x+3

algebra
You had 207.00,but spend 2.00each day which algebraic expression describes the situation,where d represents the number of days ? Answers are 207+d, 205d, 2+207d, 207-2d

algebra
You had 207.00,but 2.00each day which algebraic expression describes the situation where d represents the number of days. Answers are 207+2d, 205d, 2+207d,207-2d

math
an air plane takes off with an elevation of 27degrees. what is the total land distance the plane reaches a cruising altitude of 875 feet ? if the plane is traveling at a steady speed of 651 feet per hour, how much time will it take the plane to reach its cruising distance? wha...

Physics - please help!!..
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ro...

Physics
A large horizontal circular platform (M=143.1 kg, r=3.01 m) rotates about a frictionless vertical axle. A student (m=75.3 kg) walks slowly from the rim of the platform toward the center. The angular velocity ω of the system is 2.10 rad/s when the student is at the rim. Fi...

Physics
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ro...

Physics
something is wrong in the answer, can you explain it again please?..

Physics
A large horizontal circular platform (M=143.1 kg, r=3.01 m) rotates about a frictionless vertical axle. A student (m=75.3 kg) walks slowly from the rim of the platform toward the center. The angular velocity ω of the system is 2.10 rad/s when the student is at the rim. Fi...

Physics
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ro...

Chemistry 1
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 215 cal/g. The scientist observing the extraterrestrial life form also beg...

chemistry
not really I am just trying to understand what the chemical equation looks like

chemistry
Write the equation for the dissociation of carbonic acid.

Science
yes that's right

Homework Help Calculus
I tried that answer and it still was incorrect

Homework Help Calculus
Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 1/100cm thick to a hemispherical dome with a radius of 18 meters. I tried it but I keep getting the wrong answer.Here's what I did below: sphere: V = ⁴/̀...

Practice Exam Calculus
The radius of a sphere was measured to be 20cm with a a possible error of 1/5cm 1).Use linear approximation to estimate the maximum error in the calculated surface area. Leave your answer in terms of pi. 2).Use linear approximation to estimate the maximum error in the calculat...

math
using d2h/dt2=−g+k(dh/dt)^2, find an expression for the terminal velocity in terms of k and g?

Math
A man on the 8th floor of a building sees a bucket (dropped by a window washer) pass his window and notes that it hits the ground 1.5s later. Assuming a floor is 12ft high (and neglecting air friction), from which floor was the bucket dropped?

Math
Draw all the possible rectangles with a perimeter of 26 cm and whole number lengths of sides. For each rectangle, label the lengths of two adjacent sides

Math
Mike drove to a friends house at a rate of 40 mph he returned by the same route at 45 mph The driving time round trip was 4 hours. write and solve an equation to find the distance Mike traveled

Math
Let V be the volume of a pyramid of height 15 whose base is a square of side 5. Part a). Use similar triangles to find the area of the horizontal cross section at a height y. Part b). Calculate V by integrating the crosss-sectional area.

Chemistry
If you could me solve ths is anyway, it would be much appreciated. A solution containing 3.50g of sodium carbonate is mixed with one that contains 5.00g of silver nitrate. a. Write the complete chemical equation and the net ionic equation for the reaction that occurs. b. What ...

Chemistry
If you could me solve ths is anyway, it would be much appreciated. A solution containing 3.50g of sodium carbonate is mixed with one that contains 5.00g of silver nitrate. a. Write the complete chemical equation and the net ionic equation for the reaction that occurs. b. What ...

science
how can you define the problem how far can you make a rubber stopper fly through the air if the only force applied comes from a gas forming chemical reaction

chemistry
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles) of He is present in a helium-oxygen mixture having a density of 0.528g/L at 25 degree celsius and 721 mmHg ?

chemistry
To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 2.4- bulb, then filled it with the gas at 1.70 and 28.0 and weighed it again. The difference in mass was 4.7 . Identify the gas.

Math
How to figure out 4x+9=1234

math
triangle ABC is an isoscles triangle and semicircle, have same base AB and same area. Find the base angles of the triangle.

Biology
Dephosphorylation in the transuction process needs: A) protein kinases B) protein phosphatases C) single sugar like glucose D)cabohydrate

Parametric Equations
Convert to a rectangular equation by eliminating the parameter: x=(1/t) y=2t+3

Biology
Programmed cell suicide occurs when internal or external signals go through _____ processes. Answer a)reception b)transduction c)response d)all of the above

Calculus
Use 5 right rectangles to estimate the area of the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles?

Calculus
Estimate the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles?

Calculus
what is the second derivative of (x^3-6x)^11 that is fully simplex

Calculus
does the series 1/(n^2+n) converge or diverge? n=2 to n=infinity

Calculus
does the sum e^n / n! converge or diverge? n=1 --> infinity

Calculus
find the 6th degree Taylor polynomial for f(x)=cosx centered at pi/2

History
Was Wilson correct in trying to get American into the League of Nations? Was it correct to try to get the tenth article modified?

History
Why did many progressives on either side of WW1 see America's entry into the war as an opportunity? What did the progressives accomplish during the war that they felt was positive?

calculus
Find dy/dx by implicit differentiation. x cos y + y cos x = 1

calculus
y= e^-7x cos 5x y'=

calculus
Sorry y'=

calculus
y = (sin x) / (1 + tan x)

Algebra
I'm not entirely sure how to set up this problem.

Algebra
How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver?

Math
A house is being renovated for $50,000. Right now the HST is 12% and is charged on all renovations. After April the HST will be gone and be replaced with PST of 7% and the GST of 6%. Renovations will only have to charge GST. How much money will the homeowner save if they wait ...

Math 9
omg thank you so much, you saved my life! so the answer is $3000 right?, thank you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Math 9
my teacher has given us no notes or examples, thats why im asking for help

Math 9
A house is being renovated for $50,000. Right now the HST is 12% and is charged on all renovations. After April the HST will be gone and be replaced with PST of 7% and the GST of 6%. Renovations will only have to charge GST. How much money will the homeowner save if they wait...

math 9 help
A house is being renovated for $50,000. Right now the HST is 12% and is charged on all renovations. After April the HST will be gone and be replaced with PST of 7% and the GST of 6%. Renovations will only have to charge GST. How much money will the homeowner save if they wait ...

Math 9
A house is being renovated for $50,000. Right now the HST is 12% and is charged on all renovations. After April the HST will be gone and be replaced with PST of 7% and the GST of 6%. Renovations will only have to charge GST. How much money will the homeowner save if they wait ...

Math 9
Thanks for #1 but i still dont get #2 can u help again

Math 9
1. A premium box ticket at the Canucks game is $60 more than the low section next to the glass. The middle section is $90 less than the box section. The total for these three seats is $360. How much does each seat cost? Use algebra. 2. A house is being renovated for $50,000. R...

Science 9
never mind i have figured out the answers

Science 9
write formulas for each of these compounds: potassium phosphate ammonium sulfate sodium oxide For sodium oxide i got: Na 2 O

To :: Ms.Sue
ok thanks, and its totally my fault cause i miss typed the question. thank you for understanding and helping me :)

To :: Ms.Sue
i miss typed its actuallt 2.10 not 2.20 im still stuck

To :: Ms.Sue
no it wasnt 2.20 it was 2.10

To :: Ms.Sue
Ms.Sue when you answered my question you said x= 3.87 but then the daughters drink would be $2.97 and the sons drink would be $5.97 not 6.07 and the total wouldnt add up to $12.90, it would add up to 12.81.... i dont get this

Math 9
omg thank you, i was trying this too thanx:)

Math 9
My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra. k so i did this: x+ (x-.90) + (x+2.20) = 12.90 how do you...

math
34

math
Sorry, I misunderstood the question. it's $34.

math
100%-85%=15% $40 x 0.15 = $6

vectors
The position vectors, r km, and the velocity vectors, v km/h, of two boats at a certain time are given by ... Boat A:at 10:00 am rA=6i+10j vA=8i–2j Boat B:at 10:30 am rB=8i+5j vB=4i+j ... determine the time at which boat B should head out so that the two boats do collide.

Math 9
My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra. Please help me, thanx sorry I had to repost this question...

Math 9
My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra. Please help me, thanx

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