# Posts by Lisa

Total # Posts: 3,433

**chemistry**

Convert 34.5 in2 to cm2. Report the answer to the correct number of significant figures. (1 inch = 2.54 cm is an exact or defined conversion.)

**Organic Chemistry**

Is ethyl cyclohexane optically active?

**Organic Chemistry**

How many stereoisomers are possible for each of the following structures? Draw them, and name each by the R-S and E-Z conventions a) 4-methyl-2,5-heptadiene b) 1,2,5-trichloro-3-hexene

**Organic Chemistry**

How many stereoisomers are possible for each of the following structures? Draw them, and name each by the R-S and E-Z conventions

**Organic Chemistry**

Place these in order of decreasing priority according to the R-S convention a) H, CL, Br, CH3 B) OH, CH3, CH2CL, CH3CH2 C) CH3, CH2CH3, CL, c6H5

**Organic Chemistry**

Which of the following substances can exist in an optically active form a) 1,3 dibromopropane b) ethyl cyclohexane c) 3 ethylpentane

**English**

What is the subject

**Acc. Algebra 2**

Yeah I realized that!!! Thank you very much!!!

**Acc. Algebra 2**

Jan invested $1200 at a certain simple interest rate and $2200 at 3%higher. Her annual earnings were $253. Find the two interests rate if she earned $121 more on the larger investment than on the smaller.

**Acc. Algebra 2**

A jar contains 40 coins consisting of dimes and quarters and having a total value of $4.90. How many of each kind if coins are there?

**Acc. Algebra 2**

At 10:30 am two planes leave to Houston, one flying east 560km/h and the other flying west at 640 km/h. At what time will they both ne 2100km apart.

**College Geometry**

In this assignment, you examine a process that links polygons and circles. You will reach some quantitative conclusions about their respective areas and the relationship between the two. As you know, a regular polygon has sides of equal length and angles that are the same. ...

**health**

What should you do if you are still awake after staying in bed for more than 20 minutes? A. Get stressed out B. Have one serving of alcohol C. Count sheep in bed D. Get up and do something relaxing until you feel sleepy is it d?

**parentheses**

Insert parentheses in the expression6+10×2 so that:the expression /(12+1)×2

**Statistics**

A study in England attempted to determine the "right" method for teaching mathematics. A random sample of 248 students was chosen from the school at large. The students were randomly assigned to one of two classes. At the beginning of the research, the students had ...

**Geometry / Proofs**

Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons

**Statistics**

I am respectfully requesting help with the following assignment. I am struggling in this chapter of statistics... Define the term sample? A) A sample is a numeric characteristic of a sample B) A sample is a numeric characteristic of a population C) A sample is the entire ...

**Psychology**

Wow! That was fast! Thank you again! Also, one more question... Social constructions often vary by: A. cohort B. physical health status C. intelligence D. Family I'm stuck between family and cohort, but leaning towards cohort...

**Psychology**

Thank you, Ma'am! Are you able to check these for me? 1. Many assumptions about how things should be such as that the husband should be the major wage earner in a married relatinship are: A. social constructions (i chose this one) B. universally accepted C. objective ...

**Psychology**

1.Which of the following is an example of something that remains stable across the lifespan? A. Gender (I chose this) B. Physical size C. Language D. all over above 2. Which of the following is true of the life-span perspective? A. It is primarily concerned with ...

**psy**

Understanding accepted standards of behavior when you enter a new classroom demonstrates the process of

**Business**

Hello, I hope someone can help me with the question below, since I am completely stuck. One day, a bank receives $5000 deposit on which they are going to pay 2% per year. Same day, a student wants to take out a loan of $5000. The bank tells them that it costs $100 to process ...

**Math**

Use the formula for slope of a line tangent to a parametric curve to find dy/dx for the curve c(s) = (s^-1-6s, -7s^3) at the point with s=-4

**Math**

Express x=e^(-2t), y=4e^(3t) in the form y = f(x) by eliminating the parameter.

**Organic Chem**

adding one equivalent of sulfuric acid to 2,4-hexadiene gives 2 possible products. Give the structure and write all steps in the reaction mechanism that explains how each product is formed

**POL 201**

The federal system can be thought of as a marble cake because

**American history**

The overlap of state and national functions resembles the interweaving of flavors in the cake.

**American history**

The overlap of state and national functions resembles the interweaving of flavors in the cake. state and national functions are very distinct. it is clear where state authority ends and national authority begins. federalism is really a mushy system.

**American history**

The federal system can be thought of as a marble cake because

**American Government**

Lock's use of the term "property"

**Calculus-Series**

Sigma with n=1 to n= positive infinity (x^3)* (e^(-x^4)) Does it converge or diverge and use the integral test to show how. I got that it diverges, but this isn't correct. Can someone please explain? Thanks.

**medical billing**

I don't understand this website

**Trig**

Find all solutions in the interval 0 degrees<θ<360 degrees. If rounding necessary, round to the nearest tenth of a degree. 17sec2 θ − 15tanθsecθ − 15 = 0

**socialology**

According to Lips (2008), Plato “described women and men as having the same nature and worth and deserving the same education and legal treatment” (p. 57). These ideas of having the same nature have changed over the centuries. Most theories regarding gender have ...

**physic PLEASE I REALLY NEED HELP WITH THIS PROBLEM**

The formula y=square root 64h can be used to find the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 25 feet. Round your answer to the nearest tenth.

**algebra1 HELP PLEASE Thanks you!!**

The formula y=square root 64h can be used to find the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 25 feet. Round your answer to the nearest tenth.

**algebra1 HELP PLEASE Thanks you!!**

The function f(x)=5 square root of x gives the speed in feet per second (ft/s) of a free-falling object after it has fallen x feet (ignoring air resistance). FInd the speed of the object after it has fallen 25 feet. If necessary, round your answer to the nearest tenth.

**algebra1 HELP PLEASE Thanks you!!**

The function gives the speed in feet per second (ft/s) of a free-falling object after it has fallen x feet (ignoring air resistance). FInd the speed of the object after it has fallen 25 feet. If necessary, round your answer to the nearest tenth.

**Medical Transcription**

I need to find someone who knows how to do Electronic Medical Records so I can proceed with my lessons. Thank you.

**algebra1 HELP PLEASE Thanks you!!**

Write a polynomial function in standard form with zeros at 6, -4, and 1

**algebra1 HELP PLEASE Thanks you!!**

Find the relative minimum of y = 3x^3 + 14x^2 - 10x - 43 Round your answers to the nearest hundredth.

**algebra1 HELP PLEASE Thanks you!!**

wo identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped from a height of 210 feet. Write a function for the height of each ball. h1(t) = h2(t) = When does ball 1 reach the ground? Round to the nearest ...

**physic PLEASE I REALLY NEED HELP WITH THIS PROBLEM**

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped from a height of 210 feet. Write a function for the height of each ball. h1(t) = h2(t) = When does ball 1 reach the ground? Round to the nearest ...

**algeba 1 please I REALY NEED HELP THANK YOU :D**

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped from a height of 210 feet. Write a function for the height of each ball. h1(t) = h2(t) = When does ball 1 reach the ground? Round to the nearest ...

**algebra1 HELP PLEASE**

The length of a rectangle is 4 m less than the diagonal and the width is 7 m less than the diagonal. If the area is 76 m2, how long is the diagonal? Round your answer to the nearest tenth.

**algebra1 HELP PLEASE**

The height in feet of a rocket after t seconds is given by h(t) = 160t - 16t2. Find the maximum height the rocket attains: After how many seconds does it reach this height?

**math**

The height in feet of a rocket after t seconds is given by h(t) = 160t - 16t2. Find the maximum height the rocket attains: After how many seconds does it reach this height?

**algebra1 HELP PLEASE**

y = x2 - 7 what are the x intercepts

**algebra1 HELP PLEASE**

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped from a height of 210 feet. Write a function for the height of each ball. h1(t) = h2(t) = When does ball 1 reach the ground? Round to the nearest ...

**algebra 1 please help**

Solve the inequality. Round your answer to the nearest tenth. x2 + 5⋅x - 7 > 5

**algebra1please look over THANK YOU**

The point (2, 15) is in the shaded region of which of the following inequalities? A) y<-x^2-4x+1 B) y>-2x^2-4x ---(slash under the >) C) Y<2x^2+3x+1 D) Y>2x^2+3x+1 i got B. :)

**algebra1 HELP PLEASE**

Simplify the expression: (2 + 6⋅i)(-1 + 6⋅i)

**algebra1 HELP PLEASE**

Solve the inequality. Round your answer to the nearest tenth. x2 + 5⋅x - 7 > 5

**algebra1please look over THANK YOU**

Simplify the expression. (-4*i)(-4*i) I got 16 is that right

**algebra1please look over THANK YOU**

Write the number in the form a + bi: square root -9 + 16 i got 16 +3i is that right

**algebra1 HELP PLEASE**

find the value of x and y that make each equation true -4+(y)^i=-12x-i+8 please show the steps thanks

**Algebra1 HELP PLEASE**

Solve 7⋅x = x2 - 6 by using the Quadratic Formula. Round to the nearest tenth.

**algebra1 Help pleASE**

A gardener wants to create a rectangular vegetable garden in a backyard. She wants to have a total area of 13 square feet, and it should be 12 feet longer than it is wide. What dimensions should she use for the vegetable garden? width = feet length = feet

**algebra1please look over THANK YOU**

The solutions to a quadratic equation are -1 and 7. What is the equation of its axis of symmetry? I GOT 3 is that right

**algebra1please look over THANK YOU**

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet i got 50=39.4 but don't...

**algebra1 HELP PLEASE**

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet

**Algebra1 HELP PLEASE**

please look over is it suppose to be 3 if i do -1+7 =6 then divied it by 2 i get 3

**Algebra1 HELP PLEASE**

The solutions to a quadratic equation are -1 and 7. What is the equation of its axis of symmetry?

**Algebra1 HELP PLEASE**

(x + 4)(x - 3) = -10?

**algebra1 HELP PLEASE**

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet

**algebra 1 NEED NOW!!! PLEASE HELPPP**

The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x^2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum height: ...

**algebra 1 NEED NOW!!! PLEASE HELPPP**

The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum height: ...

**algebra 1 NEED NOW!!! PLEASE HELPPP**

The height of a curved support beam can be modeled by F(x)=- x^2/288 +18 Find the height and width of the beam. Height = units Width = units

**algebra 1 NEED NOW!!! PLEASE HELPPP**

A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.

**math**

x-5y=-21 9y-8x=44 substitution method

**algebra 1**

simplify (m^2 n^-3)^2 (-m^-3 n^3)^3

**algebra 1**

factor the trinomial by filling in the box 2x^2+10x +12 (x +______ ) (2x+______)

**PHI 208**

Explain why you think these questions would be the type to reveal the computer to be a computer? Why would these responses have to be given by a human being? (If you don't think there are such questions, explain how the three questions you chose would fail to determine ...

**PHI 208**

Present three specific questions that you would ask in the Turing Test to determine if something is real or artificial intelligence.

**physics 1**

A child of mass M using a parachute reaches a terminal velocity V, with the air resistance directly proportional to the square of the child's velocity. If an adult of mass 3M uses the same parachute under exactly the same conditions, his terminal velocity will be closest ...

**math**

the class is 50 students 30 like chocolate, 25 like vanilla, and 18 like both, which like neither.

**English**

Which one of the following statements Is not characteristic of Edward Taylor? He was a minister in Westfield, Massachusetts. He was fired from a teaching position because he refused to take an oath contrary to his religious beliefs. He was probably a very likeable man, well-...

**Intermediate algebra, concepts and graphs**

How do I solve the absolute value of: (x-2)>1? I am completely lost and my homework online is saying I did it wrong. I came up with 3<x<1. Help!

**Intermediate algebra, concepts and graphs**

what times what equals -7 and what + what =18?

**Intermediate algebra, concepts and graphs**

a bullet is fired into the air with an initial upward velocity of 64 fps from the top of a building 80 feet high. The equation that gives the height of the bullet at any time (t), is h=80+64t-16t^2. Find the times at which the arrow will be 128 feet in the air? This talks ...

**Finite Math- Please help!**

Hi, I'm having trouble finding the overall output. output at A is pq output at B is ~q+r output at C is ~p(~q+r) What is is the overall output? I'm having trouble getting the EXACT answer with parethesis. Please help!! Thanks and God Bless!!

**math**

Solve the following inequality and answer in interval notation: 5(3a+4)<14.

**Intermediate algebra, concepts and graphs**

Solve the following inequality and answer in interval notation: 5(3a+4)<14.

**Intermediate algebra, concepts and graphs**

Tickets for a school event were $2.50 for students and $3.50 for parents. If a total of 80 tickets were sold for $234.00, how many students and parent tickets were sold?

**Intermediate algebra, concepts and graphs**

Every item in Just a Dollar store is priced $1.00. when Jack opens the store there is $175.00 in the cash register. When he counts the money in the register at the end of the day, the total is $1088.75. If the sales tax rate is 7.5%, how many items were sold that day?

**Life Orentation**

1)Poverty-limited health care. 2)Discrimination, stigma, and homophobia-discourages individuals from seeking medical testing, prevention, and transmitted sources. 3)Individuals living with HIV can increase risk infection to their sexual partners. 4)Higher rates of undiagnosed ...

**Intermediate algebra, concepts and graphs**

Thank you.

**Intermediate algebra, concepts and graphs**

A garden is in the shape of a square with perimeter of 32 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is two feet from the first fence on the outside. If the material used to build the two fences is $1...

**Math**

4 people at $3.50 each=$14.00 $3.50*4=$14.00

**Intermediate algebra, concepts and graphs**

This is the answer I came up with and the website for my homework says it is wrong. I thought I was doing this equation wrong. Thank you.

**Intermediate algebra, concepts and graphs**

How would I figure out another rectangle equation? The length of a rectangle is 4 meters less than 3 times the width. The perimeter is 24 meters. Find the width.

**Intermediate algebra, concepts and graphs**

How did you do this? What are the steps? I would like to know how to figure this out too. Thank you.

**Intermediate algebra, concepts and graphs**

A rectangle is 7 times as long as it is wide. The perimeter is 80 feet. find the dimensions.

**PHI 208**

Many philosophers insist that our most strongly held beliefs should be examined and critically evaluated. Using the required text and outside sources, explain what philosophers mean when they say that beliefs need justification? What is the importance of subjecting our beliefs...

**Finance**

You hold a diversified portfolio consisting of a $10,000 investment in each of 15 different common stocks (i.e., your total investment is $150,000). The portfolio beta is equal to 1.1 . You have decided to sell one of your stocks which has a beta equal to 0.9 for $10,000. You ...

**Finance**

Calculate the required rate of return for Mercury Inc. to the nearest .1 Assume that investors expect a 3.0 percent rate of inflation in the future. The real risk-free rate is equal to 5.8 percent and the market risk premium is 9.3 percent. Mercury has a beta of 1.5 , and its ...

**chemistry**

How much milk at 10 degrees would need to be added to 250 ml of coffee at 95 degrees celsius to cool the coffee to 90 degrees celsius

**computers (Check)**

I had someone help me and those are the right answers. Thanks anyway.

**computers (Check)**

Will someone please check my C++ for me? 1. What does the Load ( ) method do? Gets data from a file and puts it into a DataSet object. <----- Gives a value to an attribute of an XmlElement object. Deletes all the data in a DataSet object. Tells a form to appear. 2. Scenario...

**math**

The length a spring stretches is directly proportional to the force applied. If a force of x pounds stretches a spring h inches, how much force is necessary to stretch the same spring m inches? (Assume x = 7, h = 4, and m = 15.)