# Posts by Nancy

Total # Posts: 812

**Algebra**

Find the slope, if it exists, of the line containing the pair of points (9,1) and (10,-7) The slope m = __ or the slop is undefined

**algebra**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A pases a station at 4:10 a.m. If train B passes the same station at 4:22 a.m., at what time will train B catch up to train A?

**Algegra**

-3y and postive 3y cancel each other out, leaving 4 = 9, which is false. So that means that there is not solution?

**Algegra**

I didn't mention... Is the solution an ordered pair or is there no solution

**Algegra**

Solve the following systemof equations x + 3y = 9 x = 4 - 3y

**Business communications 1**

thanks

**Business communications 1**

1. develop, reduce, increase 3. come, share, express 4. pay, fill out i will go for number 4

**Business communications 1**

which of the following is not an example of a parallel structure? 1. yoga can help you develop flexibility, reduce stress, and increase relaxion. 2. Learn hot to analyze business audiences, improve your style, and edit thouroughly. 3. you are all encouraged to come and share ...

**physics**

The Earth has a radius of about 6.38 ´ 103 kilometers at the equator and rotates 360° every 24 hours. The angular displacement of a person standing at the equator for 8.0 hours is:

**Business**

the primary audience for your mrssage is made up of? a. decision makers or opinion molders in an organization b. everyone who receives it c. individuals with highest status in an organization d. people who represent the opinions or attitudes of the majority

**Spanish**

46. A 47. C 48. A 49. D you were right on them

**calc.**

The centripetal acceleration of a particle moving in a circle is a=V^2/r where V is the velocity and r is the radius of the circle. Approximate the maximum percent error in measuring the acceleration due to errors of 3% in velocity and 2% in radius.

**Calc.**

Find the minimum cost of producing 20,000 units of a product, where x is the number of units of labor (at$48 per unit) and y is the number of units of capital (at $36 per unit). P(x,y)=100x^.6y^.4

**statistics**

The average math SAT score is 500 with a standard deviation of 100. A particular high school claims that its students have unusually high math SAT scores. A random sample of 50 students from this school was selected, and the mean math SAT score was 530. Is the high school ...

**ap physics**

189 m/s

**Physics**

a soccer ball kicked with a force of 14.1 N accelerates at 6.8 m/s^2 to the right. What is the mass of the ball? in units of Kg.

**Statistics**

Suppose x is a uniform random variable with c=10 and d=90. Find the probability that a randomly selected observation exceeds26.

**chemistry**

how many moles of SO3 will be produced from 9.1 mol O2

**geometry/algebra**

I asked this question yesterday, and I'm trying to understand it since I got the wrong answer - please explain: You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's ...

**Geometry**

Find the measure of each side of equilateral triagnle RST with RS = 2x + 2, ST = 3x, and TR + 5x -4.

**algebra**

Thank you!!

**algebra**

Express the amount of material needed to make a can as a function of the radius. In other words, find a function A(r) such that A represents the surface area (in square inches) of the cylinder and r is the radius (in inches). my answer (not sure) A(r) = r^2 + 2r + 29 ?

**algebra/geometry please correct me**

sorry: ð = pi

**algebra/geometry please correct me**

You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's radius is 2 inch? Answer with the help of Reiny, but doing it with a different radius to make sure I got it. let the ...

**Finance**

Sauerfood company has decided to buy a new computer system with an expected life of 3 yrs. the cost is 150,000.the comapny can borrow $150,000 for 3yrs at 10% annual interest or for one yr at 8% annual interest. How much wld sauer save in interest over the 3 yr life of the ...

**Algebra**

= 64.28319 in^2 thank you!

**Algebra**

You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's radius is 1 inch?

**Science-Organelle**

What is the structure of chromatin?

**U.S. Government**

1st Amendment help. How can one argue persuasively that the status quo of Defamation (i.e., New York V. Sullivan) should be changed. Any help or direction one could give, would be appreciated.

**Biochem**

When trying to purify a protein using column chromatography, what happens to the mass of the protein eluted from the column if you accidentally run it dry? Would it be more or less? Thanks.

**U.S. Government**

1st Amendment help. How can one argue persuasively that the status quo of Defamation (i.e., New York V. Sullivan) should be changed. Any help or direction one could give, would be appreciated.

**math**

clue#1 You will use exactly eleven base-ten blocks. Clue#2 The number is less than 300. Clue#3 The digit in the tens place is one less than the digit in the ones place. Who am I? Mom of second grader, can't help her with this!! Can you explain how to figure the answer?

**8th grade**

Ryan left musuem and drove south. Gab left 3 hrs later driving 42 km/h to catch up to him. After 2 hrs gab finally caught up. find Ryan's averae speed?

**Chemistry**

You have a stock solution of 13.4 M NH3. How many milliliters of this solution should you dilute to make 100.0 mL of 0.100 M NH3

**spelling**

what is meaning of groan

**business law**

In what jurisdiction, state and/or federal, and venue will a driver from Florida sue a driver from Washington who collided with him/her in Oklahoma?

**Physics**

I need help with this question...A skateboarder, starting from rest, rolls down a 12.0-m ramp. When she arrives at the bottom of the ramp her speed is 8.90 m/s. (a) Determine the magnitude of her acceleration, assumed to be constanIf the ramp is inclined at 21.5° with ...

**health**

What are the limitstions of what an organizational chart communicates

**algebra**

The heights, h of the students in the chorus at Central Middle School satisfy the inequality absolute value of h-57.5/2< or = 3.25. Determine the interval in which these heights lie.

**3rd gr math**

tyrell says $750 is about $800. Sara says $750 is about $700. Who is correct? Explain? Its number sense.

**3rd grade math**

Mrs.jones has 30 tomatoes plants. she wants to plant the same number of plants in each row of her garden. explain how she could decide the number of rows to plant.

**algebra**

explain why 1,734 is greater than 175?

**algebra**

here is the question: I am confused about the steps I need to follow to be able to complete this question some explanation will be appreciated :) In a Multiple - choice examination of 25 questions, four marks are given for each correct answer and two marks are deducted for ...

**math**

whats the sum of a number and -5 and a number

**health**

Post a 250- to 300-word response to the following: What are the major differences between inpatient and outpatient hospital services? Describe how these differences affect the coding process and provide examples.

**science**

I dont know

**social studies**

What do you call maps thatshow features that humans have created on Earth's surface?

**social studies**

What are maps called that focus on specific ideas?

**Nutition**

"The body absorbs lipids mostly within the small intestine. The gallbladder secrets a chemical called bile to aid in the breakdown of this fat. From there the fat is broken down farther by the enzymes the pancreas makes. The mixture of "fatty acids, partially ...

**Nutrition**

How do lipids move through the body do they can be digested and absorbed? How are lipids stored in the body?

**Essentials of Managerial Communication**

Thank you that helped!

**Essentials of Managerial Communication**

Discuss how technology could be used to facilitate cross-cultural communication.

**biology**

thanks : )

**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 I chose a) evaporation of the ocean water. ...

**science**

a 5.o kg book is sitting on a table. which describes the forces acting on the book? a)there are no forces acting on the book b)the net force on the book is zero Since the weight of the book is cancelled out by the support of the table. does that mean a) there are no forces ...

**science**

a certain's plant root contain higher concentrations of nitrate than the soil that surrounds them. Which mechanism explains the movement of nitrates form the soil into the plant's roots? a)osmosis b)facilitated diffusion c)active transport d)filtration I chose c) ...

**English**

Thank you : )

**English**

Deep (1)cognition deep thinking, is vital. (1) a)no change b)cognition, deep thinking, is vital. c)cognition, deep thinking is vital. d cognition: deep thinking, is vital. On this one I answered a) using a comma to separate each description. was that correct?

**English**

wonderful --thanks ; )

**English**

(1)Once the lecture starts:let your mind dart (2)ahead during pauses to anticipate what is next. (1) a) No change b)Once the lecture starts, let your mind c)Once the lecture starts; let your mind I chose b) (2) a)no change b)ahead (during pauses) c)ahead, during pauses d)ahead...

**English**

yayy I got it right then : ) thanks!

**English**

no storms in the ______ future. a)forseable b)foreseeable I chose b)foreseeable but when I looked it up online both came up in the spelling. which is correct? thanks

**English**

thanks : )

**English**

The team ___ won the game is my favorite. a)that b)who c)whom I chose a)that Now after reading it a few times sounds like b)who could have been the right one.

**English**

"try saying the sentence with only one of the pronouns at a time." Best tip ever!! : )

**English**

He and I have been to class was the correct answer I will remember it for next time : ( thanks

**English**

______ and _____ have been to class. a) He, me b) He, I c) Him, I I chose a)He and me but a friend told me she thinks c)Him and I sounds better. Now I'm doubting myself...

**English**

An average student remembers about 50 percent of a ten-minute lecture when tested (2)immediately; and 25 percent of same lecture when testd fifty-five hours later. (2) a)No change b)immediately -- and c)immediately and I chose answer c) since I didn't think a comma was ...

**Englsih**

Yes!! thanks

**Englsih**

These poor (3) results have occured when students where unable to package the (4) instructors ideas's into easily units. (3) a)no change b)results occur c)results occurred I think the answer is c) since this sentence is talking in the past tense. (4) a)no change b)...

**ENGLISH**

thanks : )

**ENGLISH**

You'll be alert, engrosed in the (14)material.And concentrated 100 percent. a) no change b) material, and c) material; and d) material and After reading it over and over, I think b) a comma after material would be the correct answer. I think this is a compound sentence, ...

**ENGLISH**

oh, thanks!

**ENGLISH**

Before class, you should look over your notes from the last(9)lecture and take a minute to speculate about what your instructor is going to talk about today. (9) a) No change b) lecture, and c) lecture; and I think it need a comma after lecture is that correct? thanks

**english**

Yes, I am guessing a)according to the comma rule 1: Use a comma to separate the elements in a series (three or more things). English is my 2nd language so I read and guess my best according to the rules,still I'm never too sure. am I right?

**english**

choose proper punctuation George, leave the room, shut the door, and be quiet b)George;leave the room, shut the door and be quiet c)George leave the room, shut the door and be quiet d)b)George leave the room, shut the door, and be quiet My first guess is a) but I'm tempted...

**english**

Wow!! Thanks, I really appreciate it!

**english**

Having been discovered, Fifi looked up at his owner with puppy-dog eyes. First sentence is right. Second sentence 'the owner' didn't have puppy dog eyes. So, I say remove c) his owner and it will read Having been discovered, Fifi looked up with puppy-dog eyes. ?

**english**

It could also be a) with puppy-dog eyes? So it would read: Having been discovered, Fifi looked up at his owner Kind of doens't make sense to me.

**english**

I think the answer is. b) been discovered

**english**

Which group of words is the sentence below misplaced? Having been discovered, Fifi looked up at his owner with puppy-dog eyes. a)with puppy-dog eyes b)been discovered c)his owner d)Fifi looked up

**english**

Thank you very much!

**english**

When I read it outloud c) sounds better but according to rules you just sent me, it would be a). I'm confused when it comes to this sentence. thanks

**english**

My fist guess was a), but then c) seems like a better answer

**english**

Choose the correct comma placemnent for the sentence below> a. plump, old, white cat b. plump, old, white, cat c. plump, old white cat d. plump old white cat

**world religions**

Thank you it looks like it will be very helpful.

**world religions**

I am conducting a research paper and am having trouble finding comparisons and contrasts between Judaism and Buddhism with credital authors, where could I go to find this information?

**veterinary medicine**

A pet owner accidentally applies 2.5 ml of a dog flea product containing 45% permethrin to a 15 lb cat. What is the dosage this cat received?

**alg**

yes, it is a because you factor... x^2-81= x-9(x+9) x^2+18x-81= (x+9)(x+9) check: 9x+9x= 18x x*x= x^2 -9*9= -81 ((x-9)(x+9))/((x+9)(x+9))-> cross out x+9 ANS:(x-9)/(x+9)

**Calculus**

Find all critical points of the function. f(x) = xe^3x so x= ? Show steps or tell me how I find them?

**chemistry**

an organic sbstance has an enthalpy of vaporization of 29.0 kl/mol. the compound has a vapor pressure of524 mm HG at 25 C. at what tempurture is the vapor pressure equal to 115mm HG?

**crt205**

why and how could you apply critical thinking when evaluating an article?

**trig**

A car travels around a circular track at 185 miles per hour. Is this a linear velocity or an angular velocity? Explain.

**crt205**

what is a fallacy

**programming**

for a list of numbers entered by the user and terminated by 0, find the sum of the positive numbers and the negative numbers

**calculus**

a circle of radius 1 rolls around the outside of a circle of radius 2 without slipping. the curve traced by a point on the circumfarence of the smaller circle is callled an epicycloid. use the angle theta to find a set of parametric equations for this curve.

**calculus**

thank you..

**calculus**

a toy wagon is pulled by exerting a force of 15 pounds on a handle that makes a 30 degree angle with the horizontal. find the work done in pulling the wagon 50 feet.

**calculus**

thanks

**calculus**

a 100 pound collar slides on a frictionless vertical rod. find the distance y for which the system is in equilibrium if the counterweight weights 120 pounds.