Monday
December 22, 2014

Posts by becky


Total # Posts: 519

Math
Multiply or divide and write scientific notation for the result. (7.66 • 10^2)(6.29 • 10^-4) can someone please help me with this.
June 13, 2010

PreAlgebra
Convert to decimal notation. 3.73 • 10^-4= -37300 Im not good with intergers. I just needed to know if this was correct. If not can someone explain it to me.
June 13, 2010

PreAlgebra
Convert to decimal notation. 5.585 • 10^6= 55,850,000 I need to know if this is correct? If not how do you do this? Thanks
June 13, 2010

PreAlgebra
Write an equivalent expression using negative exponents. 1/3^9 will i write this as 3^-9. please explain this to me.
June 13, 2010

Math
I have no clue what this means. Can someone explain this to me. Evaluate t^1
June 12, 2010

Math
Someone please help me. I have no clue where to start. 1. My family and I went to Applebee's for dinner. The price for the meal for all of us was $73.49. How much will a 15% tip be? What will be the total amount paid including tip? 2. My insurance commission rate is 12%. A...
June 8, 2010

Algebra
find a function f is given by f(-4) = 4x^2-3+7
June 3, 2010

algebra
this is how I would do this one 8=2x -3 8-8= 2x -3 -8 0 =-11 + 2x -2x = 11 + 2x -2x 2x = -11 2x/2 = 11/2 x=11/2
June 3, 2010

Math
My family is having a reunion today, I have to make enough banana pudding for 65 people. How many bananas at .59 a pound do I need. (I have no idea where to start or what to do. Can someone explain this to me?)
May 31, 2010

Math
Solve the problem. Round to the nearest unit. 584 is 12.2% of what? I got 47.868852459016 (on the calculator) Just wanted to know if I rounded to the nearest unit correctly. When I rounded I got 4787?
May 29, 2010

Math
Find the simple interest. Round your answer to the nearest cent. Principal = $900 Rate = 4% Time in years = 3 Is this correct: 900*0.04=36 36*3=108.00 Then my next question is when you round to the nearest unit is it the same as regular rounding. 335.42 rounded to the nearest ...
May 29, 2010

Math
Solve the problem. Round to the nearest unit. 161 is 48% of what? A. 33,500 B. 3350 C. 335 D. 3
May 29, 2010

11th grade chemistry
what is the concentration in parts per million of a water sample that contains 4g of Hg in 200g of water?
April 13, 2010

math
The terminal side of theta is in Quadrant III and lies on the line y = 2x. What are the 6 trig functions?
April 12, 2010

Math
Line m is perpendicular to plane A. how many planes can contain line m and alo be perpendicular to plane A? I think it my be infinite?
April 1, 2010

University Physics II
A 13.9 nC charge is located at position (x,y) = (1cm,2cm). A. At what (x,y) position is the electrical field -225,000i_hat N/C? B. At what (x,y) position is the electrical field (-161,000i_hat + 80,500j_hat) N/C? C. At what (x,y) position is the electrical field (-21,600i_hat...
March 23, 2010

English
I think it's perfect!
February 24, 2010

biology
Smooth edged leaves (S) dominant over rough edged leaves (s). Two plants heterozygous for smooth edged leaves are crossed. What proportion of the offspring are expected to be smooth edged leaves? a. 1/4 b. 1/2 c. 3/4 d. 1
February 23, 2010

biology
What is the source of energy driving the hydrolic cycle? a. evaporation of the ocean water b. heat conducted from the earth's core to the surface c. radiant heat from the sun d. air currents returning to the earth's surface
February 23, 2010

pre cal
how do you determine the domain of the variable in the expression x-6 over 5-x?
February 8, 2010

chemistry
By means of what single reagent could you distinguish between the following? (Tell what happens to each substance.) Solutions: AgNO3 and Zn(NO3)2 H2SO4 and HNO3 Ag(NH3)2Cl and AgNO3 Solids: AgCl and ZnCl2 AgCl and Hg2Cl2 PbCrO4 and K2CrO4
February 4, 2010

algebra
Jack usually mows his law in 5 hours. Marilyn can mow the same law in 6 hours. How much time would it take for them to mow the lawn together?
February 1, 2010

I.T
what would you need to do in order to legally use the pictures from a websight?
January 20, 2010

Physics
To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration. Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i + Rsin(omega*t)j Velocity ...
November 13, 2009

math
What about the ceiling, Should you add another 15x19 area then divide by 78.2 to get the amount of gallons needed?
November 11, 2009

HCR220
HCR 220 week 6 Applying Level II HCPCS Modifiers can anyone help with this
November 2, 2009

Physics
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its engines then fire and it accelerates upward at 4.20 m/s2 until it reaches an altitude of 960 m. At that point its engines fail, and the rocket goes into ...
October 11, 2009

Physics
A motorist drives along a straight road at a constant speed of 16.5 m/s. Just as she passes a parked motorcycle police officer, the officer starts to accelerate at 3.50 m/s2 to overtake her. Assume that the officer maintains this acceleration. (a) Determine the time it takes ...
October 11, 2009

physics
As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 9.90 mi/h·s. In the adjoining bike lane, a cyclist speeds up from rest to 20.0 mi/h with a constant acceleration of 13.5 mi/h·s. Each vehicle maintains ...
October 11, 2009

physics
To solve for the first part, I got time = 2.89 seconds, but then it shows that I got the wrong answer?
October 11, 2009

physics
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 15.0 m/s, and the distance from the limb to the level of the saddle is 3.50 m. (a) What must be the horizontal distance between the ...
October 11, 2009

english
Can someone write a harvard outline for me. I have no clue what to do. Discuss how color, music and setting was used effectively and thematically in the M.T.V version of Romeo and Julie. How did the actors make this real for you.
October 4, 2009

english
I dont know what to write for a harvard outline of romeo and juliet mtv version. Discuss how color, music and setting was used effectively and thematically in Romeo and Juliet. How did the actors make this movie real for you.
October 4, 2009

4th grade
(math) find a rule. writhe the rule as an equasion. use the equasion to extend the pattern.
October 1, 2009

criminology
I was wonderingif I could get some guidence in finding a site on crime committed based on the socail structure theory?
July 28, 2009

Networking
I need help with these questions 1. You are the network administrator for a company that has peer-to-peer network. How would the pieces and components of this network relate to each other? Define all the components of this type of network. 2. You are the administrator of a ...
July 17, 2009

analysis and design
thanks for nothing
June 20, 2009

analysis and design
My project is upgrading a bathroom and this is what I need help with: Project Risk-list 5 factors and their potential impact for the project. Project Constaints-ex: triple constaints variable (cost,time/schedule and scope)are there any possible limitations list all that apply...
June 20, 2009

analysis and design
5.2 Project Risks [Use this section to list at least five risks factors and their potential impacts for the project.] # Risk Area Likelihood Risk Owner Project Impact-Mitigation Plan 1 [Project Risk] [High/Medium/Low] [Replace this text with a description of the Mitigation ...
June 20, 2009

Accounting
Lear, Inc. has $800,000 in current assets, $350,000 of which are considered permanent current assets. In addition, the firm has $600,000 invested in fixed assets. a. Lear wishes to finance all fixed assets and half of its permanent current assets with long-term financing ...
June 16, 2009

Accounting
Can anyone tell me if one of these is correct? Lear, Inc. has $800,000 in current assets, $350,000 of which are considered permanent current assets. In addition, the firm has $600,000 invested in fixed assets. a. Lear wishes to finance all fixed assets and half of its ...
June 16, 2009

Accounting
Healthy Foods, Inc., sells 50-pound bags of grapes to the military for $10 a bag. What is the degree of combined leverage at both sales levels? Chapter 5 page 144 problem 13 in Foundations of Financial Management. This is what I have so far can you tell me if this is correct? ...
June 11, 2009

Accounting-business
Healthy Foods, Inc., sells 50-pound bags of grapes to the military for $10 a bag. What is the degree of combined leverage at both sales levels? Chapter 5 page 144 problem 13 in Foundations of Financial Management. This is what I have so far can you tell me if this is correct? ...
June 11, 2009

IT
that did not answer my question I need to know how to do this
May 27, 2009

IT
Use Microsoft® Project to develop a Work Breakdown Structure (WBS) for your project defined in Week 2. Include a 100- to 150-word description of how and why you would use a WBS in a project. · Post your completed WBS and my project is on upgrading a bathroom I have ...
May 27, 2009

IT
â—‹ Collaborative discussion clusters will be assigned. â—‹ Each cluster will choose one project from the list below. â—‹ Discuss the elements included in a SDLC with your cluster as they relate to your selected project. â...
May 19, 2009

IT
I need to create a sample plan on remodeling a bathroom this is for class IT 221N Analysis and Design Information Systems
May 19, 2009

Chemistry
SO3 can be produced in the following two-step process: FeS2 + O2 ---> Fe2O3 + SO2 S02 + O2 ----> SO3 Assuming that all the FeS2 reacts, how many grams of SO3 are produced when 20.0 g of the FeS2 reacts with 16.0 g of O2?
April 28, 2009

science
what are the different forms of a trait that a gene may have called?
April 2, 2009

college: western Literature
I have a paper to write on a modest proposal. Here is the actual assignment. in a 3-5 page essay, defend and support the idess Swift proposed in "A Modest Proposal". You must include modern examples and experience to develop your ideas as well as include discussions ...
February 3, 2009

Grade 11 chemistry
Describe why the incomplete combustion of a hydrocarbon in an enclosed area can be dangerous.
January 4, 2009

physics
The pressure in a constant-volume gas thermometer is 0.700atm at 100 deg. Celsius and 0.512atm at 0 deg. Celsius. a) What is the temperature when the pressure is 0.0550atm? b)What is the pressure at 500 deg. Celsius?
December 2, 2008

math
How did you get 10/24? Are you adding the fractions by useing the lease common denominator?
November 16, 2008

math
How did you get 10/24 then 24/10?
November 16, 2008

math
I have trouble solving word problems. Can you help me solve this problem? If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take both of them to paint the house together?
November 16, 2008

math
I have trouble solving word problems. Can you tell me the best approach to solve this word problem? If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?
November 16, 2008

geometry
A RULE THAT IS ACCEPTED AS A PROOF IS CALLED A_____? (A) THEOREM (B) POSTULATE (C) AXIOM (D) A AND B
October 22, 2008

chemistry
i need 3 types of suspensions found in a science lab
October 10, 2008

english
Eliminate five letters from the word below to find one familiar word in the English language: FHIEVLEILCEOTPTTEERRS
October 7, 2008

Economics
How has today's economy affected the airline industries?
October 5, 2008

math
My thousands digit is twice my hundreds digit. The sum of my tens and ones digit is my thousands digit. My hundreds digit is 2 more than my tens digit. My tens digit is greater than 1 and less than 3. What 4 digit number am I?
September 29, 2008

GCSEbiology
explain how the srtucture of a sensory neurone allows it to do its job
September 5, 2008

Biology
Which organism is a third-order heterotroph? To what trophic level does that organism belong?
September 3, 2008

Science
Where is lantana located?
July 11, 2008

math-116 final is it a timed test?
The test is available at the beginning of the week and not due till sunday, so it looks like a week is your time limit.
June 22, 2008

Technology
What if the company has a centralized computer system but needs to outfit its employees with computers. Would it be safe to say that they should purchase laptop for all their traveling employees with a wireless card to allow them access to company programs and email while ...
June 6, 2008

Technology
Say you have a financial consulting corporation that has four satellite offices in the US and employs 300 fulltime employees and 20 of those travel 2 to 4 days a week. These 20 employees do not have access to email or other company programs while they are traveling. The ...
June 6, 2008

history
HH is stamped on the underneath on the inside of the ring on the silver. Stone is set in middle of the setting as a single stone.
June 1, 2008

history
I have a turquiose ring, round stamped with what I believe to be HH. The first H is very clear although the second letter almost looks like a mistrike H, could be a worn F, E, etc... what do the letters mean??? There are no purity markings that I can see.
June 1, 2008

English
Thank you
April 27, 2008

English
pronouns 16a. Anyone who requests a copy of the game may have it for their video library. 16b. Anyone who requests a copy of the game may have it for his or her video library. My answer is B. what type of pronoun is this? Thanks
April 27, 2008

English
16a. Anyone who requests a copy of the game may have it for their video library. 16b. Anyone who requests a copy of the game may have it for his or her video library. What type of pronoun is this?
April 27, 2008

english
Thank you.
April 13, 2008

English
I chose "B" as my answer to this question. Hope I'm right!!
April 13, 2008

english
Officials are considering placing the sturgeon on the endangered species list. If such an action is taken, ships, including those that carry goods and produce, will not be allowed to travel on the large rivers in our region that serve as breeding grounds for the fish. If ship ...
April 13, 2008

criminal justice
Explain the Correctional Officer subculture. How does this subculture create ethical issues for correctional officers?
April 1, 2008

AP PHYSICS
A 3.0-uF capacitor and a 4.0-uF capacitor are connected in series across a 40.0-V battery. A 10.0-uF capacitor is also connected directly across the battery terminals. Find the total charge that the battery delivers to the capacitors. I NEED HELP WITH THIS PROBLEM. THANKS!
April 1, 2008

AP PHYSICS
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.29*10^.11m. What is the change in EPE(electric potential ...
March 26, 2008

algebra
Thank you.
March 21, 2008

algebra
I would choose a - the equation has two imaginary soluations. Is this right?
March 21, 2008

algebra
For the following equation, state the value of the discriminant and then describe the nature of the solutions. -2x^2+3x-7=0 What is the value of the discriminant? Which one of the statements below is correct? The equation has two imaginary solutions. The equation has one real ...
March 21, 2008

algebra final, please help
This is what I came up with for a final answer {x straight up and down line-17<x<-8 or x>20}
March 21, 2008

algebra final, please help
Solve (x+17)(x-20)(x+8)>0 The solution set is (x )? Use at least one inequality or compound inequality to express your answer. For answers with more than one inequality, separate the inequalities by a comma or the word 'or'. Type R is the answer is all real numbers...
March 21, 2008

algebra
Find the greatest common factor for the group of terms -30a^2,5a^4 Would the answer be 5a^2?
March 21, 2008

algebra help please
Thank you. I thought I was loosing my mind.
March 19, 2008

algebra help please
Factor 72-17v=v^2
March 19, 2008

this one is throwing me in algebra
Factor completely 49w^2+81-126w (7w+ )(7w- )
March 19, 2008

last week of algebra
Factor s^2+4s+4 (s+ 1 )(s+ 4) This doesn't seem right.
March 19, 2008

algebra final, please
Evaluate the polynomial for x=2 2x^2-4x+2=2*(2)^2-4*(2)+2 =2*4-4*(2)+2 =8-4*(2)+2 =8-(8)+2 =18 Am I right or wrong?
March 18, 2008

algebra final, please help
Solve w^2+3w-54=0 x= -1 minus sqrt55, -1+ plus sqrt55 Is this right?
March 18, 2008

algebra
Evaluate the polynomial for x=2 2x^2-4x+2=2*(2)^2-4*(2)+2 =2*4-4*(2)+2 =8-4*(2)+2 =8-(8)+2 =18 Am I right or wrong?
March 18, 2008

algebra
Thank you
March 18, 2008

algebra
Rewrite the following expression with positive exponents (33xy)^-3/7 Would it be 1 over (33xy)^3/7?
March 18, 2008

algebra
Use the quadratic formula to solve the equation x^2-5x=-10
March 18, 2008

algebra
Thank you
March 18, 2008

algebra
The solution for x = x^2+14x-4=0
March 18, 2008

algebra
Solve by completing the square x^2+3/2x=3 What is the solution? x=
March 11, 2008

algebra
Solve by completing the square x^2+3/2x=3
March 10, 2008

algebra
What are the exact solutions? x^2+4x+4=36 I have -34,-38 Is this right?
March 10, 2008

algebra
What would be the discriminant for this equation: x^2-2x+12=0 How many solutions are there? I have that the discriminant is -44 and since the discriminant is negative, the square root of the discriminant is a pure imaginary number. Is this correct?
March 7, 2008

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