# Posts by AMANDA

Total # Posts: 2,554

**child care**

be able to acquire most of your equipment from free and inexpensive sources

**Physics**

A sheet of siding has a centrally-located doorway of width 2.0 m and height 6.0 m cut out of it. The sheet, with the doorway hole, has a mass of 264 kg. (a) What is the x coordinate of the center of mass? (b) What is the y coordinate of the center of mass? Assume the lower ...

**Busniess English - Negative and Persuasive Message**

Which sentence presents an alternative in appropriate way? a. "The 11 a.m. flight is completely sold out, so I booked you on the 2 p.m. flight. Hopefully that will work for you." b. "We are out of the red units, so we went ahead and shipped you 12 green ones ...

**business english -**

Thank you so MUCH!

**business english -**

Indicate the alternative that both correctly evaluates the following sentence and correctly explains the reason for the evaluation. "As soon as you provide your date of birth on Line 2, your application for a flexible spending account will be processed." a. Good ...

**Business English - WRiting to build goodwill**

C. Main idea(s), background information, negative elements, benefits, goodwill ending.

**Business English - WRiting to build goodwill**

4. A 11. C 19. B

**Business English - WRiting to build goodwill**

Can someone double check my answers? 1. Which way of askin for action carries the highest level of politeness? A. a polite order B. an indirect request c. a question d. an order answer is: c. a question 2. Which of the following statements most effectively applies you-attitude...

**Business English**

I thought I updated this, however I entered my answers that I stated above for my grade. I got 17 out of 20 correct, the wrong answers were: 4. It should of been C. 11. Should of been D. 12. Should of been B.

**Business English "Designing the page and ect"**

Please double check my answers for me. 1. The appearance of a document can do all of the following except: A. establish rapport with the audience. B. guide your readers' attention C. substititue the written text in the document. D. Build goodwill. answer: C. Substitute the...

**business english**

I had originally answered D however the exam stated that was wrong, Im trying to retake it and I am still coming back to D but I don't want to get the answer wrong again.

**business english**

User: Which of the following is NOT an example of parallel structure? A. "Yoga can help you develop flexibility, reduce stress, and increase relaxation." B. "Learn how to analyze business audiences, improve your style, and edit thoroughly." C. "You are...

**biology i need help urgent**

what characteristic distinguishes arthropods from other invertebrates? a. the colem b.the endoskeleton c.jointed appendages d.bilateral symetry

**biology**

what is a notochord, and what is the notochord surrounded by

**Busniess English**

Select the correct punctuation to place on the line. Gusty winds damaged several power lines__ therefore, no one in our town has electricity. A. : B. ; C. - D. .

**chemistry**

mass of crucible- 18.50g mass of crucible+hydrate- 19.50g mass of crucible+anhydrous salt 1st heating- 19.10g mass of crucible+anhydrous salt 2nd heating- 19.10g Questions: 1. calculate mass of water lost from your sample 2. calculate % of water in sample CuSO4*5H2O 3. ...

**Management**

Which of the following statements about Maslow's needs hierarchy is correct? A. Esteem needs must be satisfied before one strives to fulfill social needs. B. Self-actualization is a growth need. C. safety needs are more basic than physiological needs. D. Social needs are ...

**finance**

A corporation has a total of $500 million and 100 million shares outstanding. It's ROE is 15%. Calculate the EPS. I know the EPS= ROE x Book value per share How do I find the book value

**Chemistry**

You want to prepare a pH=4.50 buffer using sodium acetate and glacial acetic acid. You have on hand 300 mL of 0.100 M sodium acetate. How many grams of glacial (water free) acetic acid should you add to prepare the buffer? (Ka of acetic acid is 1.8e-5 at: 25 degrees Celsius)

**Chemistry**

You want to prepare a pH=4.50 using sodium acetate and glacial acetic acid. You have n hand 300 mL of 0.100 M sodium acetate. How many grams of glacial acetic acid should you add to prepare the buffer? (Ka of acetic acid is 1.8e-5 at: 25 degrees Celsius)

**math**

i the conveyor belt takes 54 seconds to move gravel from the bottom of the conveyor belt to the tope at a rate of 3 feet per second, how high does the conveyor belt lift the gravel?

**geometry**

in the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at D, and TB = 9. Find the length of TD.

**geometry**

in the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at D, and TB = 9. Find the length of TD.

**business english**

Select the correct punctuation to place on the line. I found an inspiring bumper sticker with a quote from Mahatma Gandhi_"Whatever you do will insignificant, but is very important that you do it." a. : b. ; c. - d. .

**physics**

a bus engine can operate at very high temperatures . if one of the cylinders has a volume of 1 litre and is initially at 25°C and atmospheric pressure , what is the temperature when the gas in the cylinder is reduced to a volume of 100cubic centrimeters and pressure of ...

**Chemistry**

What is the pressure of a sample of Chlorine gas if the gas sample contains 0.25 moles of Chlorine and has a volume of 150 L with a temperature of 25 K?

**Chemistry**

what do i plug in for v2 and p2 then?

**Chemistry**

p1v1/t1=p2v2/t2 (5)(100.0)/510=...

**algebra**

-71+square root of 1/142 simplify

**math**

x^2+x+3=0

**math**

30d^2+71d+42=0

**math**

4x-y=7 5x+y=20

**math**

1/5x+y=2 x-10++-5y

**math**

2x^-15y^15/x^20y^-10

**math**

A box with no top is to be constructed from a piece of cardboard whose width measures x cm and whose length measures 6 cm more than its width. The box is to be formed by cutting squares that measure 2 cm on each side from the four corners, and then folding up the sides. If the...

**math**

the printed matter on a 18 by 22 centimeter page of a book must cover 96 square centimeters.If all margins are to be the same width, how wide should they be?

**math**

3x+8 over 5 + 7/5= -7x over 4

**math**

a/5-1/5=-6

**Physics**

how do you know what to plug into the equation?

**Physics**

Two positive charges with the same magnitude are one meter apart. Find the magnitude of the charges if the force between them is one Newton.

**english speech**

Speech please

**Amortization of Loans**

A car is purchased for $9,192.57 with $1470 down and a loan to be repaid at $200 a month for 2 years followed by a balloon payment. If the interest rate is 6% compounded monthly, how large will the balloon payment be?

**Probability**

From a box containing 7 blue, 5 red, 3 green, and 9 yellow marbles, 2 are drawn one at a time without replacing the first marble before the second marble is drawn. Find the probability that one is blue and one is yellow.

**Probability**

A pair of fair dice is tossed once. Find the probability a sum of 5 or 3 appears.

**physics**

a 1250 kg car, rolling at 40km/h along a flat frictionless surface strikes a horizontal coiled spring and is brought to rest in a distance of 2.5m. Assuming there is no friction, what is the spring constant of the spring?

**Life orientation**

ask your life orientation teacher,for more info

**Chemistry**

When 7 mL of a solution containing 4 M KNO3 is diluted to 23 mL, a dilute solution is formed. What is the NO3- concentration in 15 mL of the dilute solution?

**pre-calc**

simplfy the expression by double angle formula or a half angle formula. cos^2(x/2)-sin^2(x/2) 2sin(x/2)cos(x/2)

**Per-calc Helppppp**

find: tanx=-3 one period and all angles 3csc^2x=4 one period and all angles sin2x+cosx-0 one period

**Per-calc Helppppp**

keep in mind answers should be pi radians or if necessary 3 dec. csc^2-2=0 all angles 4cos^2x-4cosx+1=0 all angles and name 8 angles 7sin^2x-22sinx+3=0 all angles and name 8 angles 2cos^2x-7cosx=-3 all angles sinx(2sinx+1)=0 all angles

**Pre-Calc Help!!!!!!!!**

cos(2tan^-1(15/8))

**Pre-Calc Help!!!!!!!!**

1+sin2x/sin2x=1+1/2(secx)(cscx)

**Pre-Calc Help!!!!!!!!**

Evaluate the expression under the given conditions. sin (A+B); tan A= 12/5, A in quadrant 3, sin B= -3sqrt(10)/10, B in quadrant 4.

**English**

I have an test on these and I do not want to fall the test. Please tell me a ways I can study, online tests etc so that I can pass it. Thank you and I appreciate for your help! They are: They will be fill in the blanks, multiply choices. (1)Petroleum (2) Solar Energy resources...

**DrBob222**

Thank you sooooooooo much!!!!!!

**Chem-Help Please!!!**

a correction needs to be made to the calculations for real gases as compared to ideal gases. apply these corrections and calculate the real pressure expected for 5 mole of nitrogen in a 1.5L container at a temp. of 20C. Note: I tried to find right formula for this but couldnt...

**statistics**

The ages (in years) of 10 infants and the number of hours each slept in a day Age, x: 0.1, 0.2, 0.4, 0.7, 0.6, 0.9, 0.1, 0.2, 0.4, 0.9 Hours slept, y: 14.9, 14.5, 13.9, 14.1, 13.9, 13.7, 14.3, 13.9, 14.0, 14.1 Find the equation of the regression line. Then use the regression ...

**HISTORY PLEASE HELP!**

I had put b on my test and it was incorrect. A friend out e and got it right. Not sure why though sorry.

**Pre-Calc Help!!!!!!!!**

Evaluate the expression under the given conditions. sin2(theta), sin(theta)=1/7(theta) in Q2

**Pre-Calc Help!!!**

Find sin x/2, cos x/2, and tan x/2 from the given information. cos x=− 4/5, 180° < x < 270° sin(x/2= cos(x/2)= tan(x/2)=

**Pre-Calc Help!!!**

Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. Sqrt(1-cos50/2)

**child day care**

It's A

**Chemistry!!!!!!**

a compound is analysed and found to have the atomic composition of C 54.5454% H 9.0909 % o 36.3636%. at a temp. of 120C and a pressure of 608 mm the density is 2.183 g/L. what is its molecular formula.

**Chemistry!!!!!!**

a correction needs to be made to the calculations for real gases as compared to ideal gases. apply these corrections and calculate the real pressure expected for 5 mole of nitrogen in a 1.5L container at a temp. of 20C.

**Chemistry :((((**

a gas occupies a volume of 5L at a temp. of 20C and a pressure of 1atm. what volume would it occupy at a temp. of 30C and a pressure of 1.1 atm.

**trig**

solve the equation of the domain 0¡Ü¦È¡Ü2¦Ð 3cos^2theta - 5costheta -1 = 3sin^2theta

**Chemisty Help!!!!!!!!**

show how you would obtain (the orbitals used) and the possible types (the orbitals produced) for hybridization of a carbon atom. you must report the shape and the number of orbitals of each type used and produced for each type of hybridization.

**chemistry**

How many mL of 3% aqueous hydrogen peroxide solution can you make out of 100 mL of 35% aqueous hydrogen peroxide?

**chemistry**

How many mL of 3% aqueous hydrogen peroxide solution can you make out of 100 mL of 35% aqueous hydrogen peroxide?

**Finite Math**

In a carnival game, the player selects two coins from a bag containing four silver dollars and twelve slugs. (a) Write down the probability distribution for the winnings. (b) Determine how much the player would have to pay so that he would break even, on the average, over many...

**Finite Math**

An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red balls observed. Determine the probability distribution for this experiment: Number of Red Balls/Probability 0...Probability=? 1...Probability=? 2......

**Statistics**

The ages (in years) of 10 infants and the number of hours each slept in a day Age, x: 0.1, 0.2, 0.4, 0.7, 0.6, 0.9, 0.1, 0.2, 0.4, 0.9 Hours slept, y: 14.9, 14.5, 13.9, 14.1, 13.9, 13.7, 14.3, 13.9, 14.0, 14.1 Find the equation of the regression line. Then use the regression ...

**Chemistry**

A calorimeter contains 22.0 mL of water at 14.0 C. When 2.50 g of X (a substance with a molar mass of 66.0 g/mol) is added, it dissolves via the reaction X(s)+H_2O(l)--------> X(aq) and the temperature of the solution increases to 25.5 C. Calculate the enthalpy change, ...

**Chemistry**

According to the following reaction, how much energy is evolved during the reaction of 32.5g B2H6 and 72.5g Cl2? The molar mass of B2H6 is 27.67g/mol. B2H6(g)+6Cl2(g)----->2BCl3(g)+HCl(g) Delta H reaction=-1396

**Microbiology**

Why can Enterotube II System be used to identify only gram-ngative, oxidase negative Enterobacteriaceae?

**Microbiology**

What organic molecule is necessary to detect mixed acid fermentation by bacteria? (IMViC Tests)

**Physics**

You like to swim at a nearby lake. On one side of the lake is a cliff, and the top of the cliff is 36m above the surface of the lake. You dive off the cliff doing somersaults so as to have an angular speed of 6rev/min. How many revolutions do you make before you hit the water...

**English**

Ok so i understand exository but can you please simplify literary for me

**English**

Ok so expository gives you a topic right

**English**

I have starr test in the morning can somebody please explain what the difference between literary and expository writing

**reading**

describ the settings of the text physically and socially and historically. fron the book the red scarf girl

**Chemistry**

How many mL of 5.5 M KOH are needed to prepare 300 mL of 0.2 M KOH?

**Chemistry**

How do you prepare a 0.4 M soultion of copper sulfate in water starting with solid copper sulfate and water?

**Chemistry**

I don't get this at all. A beaker with 105mL of an acetic acid buffer with a pH of 5.00 is sitting on a bench top. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.40 mL of a 0.470 M HCl solution to the beaker. How much will the pH ...

**SCI207: Dependence of Man on the Environment**

Give specific examples of at least two (2) production and two (2) consumption habits humans have related to material resources.

**Economics**

The market demand in a Bertrand duopoly is P = 15 - 4Q, and the marginal costs are $3. Fixed costs are zero for both firms. Which of the following statement(s) is/are true? a.P = $3. b.P = $10. c. P = $15. d. None of the statements associated with this question are correct. I...

**Chemistry**

not sure

**algebra 2**

the area of a square is numerically 165 more than the perimeter. find the length of the side

**algebra 2**

the height of a box is 6 inches. the length is three inches more than the width. find the width if the volume is 240 cubic inches

**algebra 2**

two cars leave an intersection. one car travels north; the other east. when the car traveling north had gone 15 miles, the distance between the cars was 5 mile more than the distance traveled by the car heading east.how far had the east bound car traveled?

**algebra 2**

a ladder is resting against a wall. the top of the ladder touches the wall at a height of 6 feet. find the length of the ladder if the lenght is 2 feet more than its distance from the wall.

**algebra 2**

the printed matter on a 10 by 16 centimeter page of a book must cover 0 square centinmeters. if all margins are to be the sme width, how wide should they be?

**algebra 2**

a triangluar garden has an area of 189 square feet. its height os 3 feet more than ots base. find the measure of the base.

**Finite Math**

help me this is the one problem I just cannot seem to figure out!! Without consultation, each of five organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their convention.

**Finite Math**

i want help understanding how to solve the problems, not just the answers. I understand how to get the denominator, by getting the total and nCr the sample, but i cannot figure out the numerator when it comes to solving these probability problems.

**Finite Math**

A law firm has thirteen senior and nine junior partners. A committee of 6 partners is selected at random to represent the firm at a conference. What is the probability that at least one of the junior partners is on the committee?

**Finite Math**

Without consultation, each of five organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their convention.

**Finite Math**

C (14,8) = 3003 C (26,8) = 1562275 1562275 - 3003 = 1559272 ANSWER= 1559272/1562275 (cannot be simplified)

**Finite Math**

A factory produces fuses, which are packaged in boxes of 26. Eight fuses are selected at random from each box for inspection. The box is rejected if at least one of these eight fuses is defective. What is the probability that a box containing twelve defective fuses will be ...

**Finite Math**

Eight white socks and four red socks are in a drawer. If two socks are selected at random, what is the probability that both socks are the same color?