Saturday

January 21, 2017
Total # Posts: 3,402

**math**

Simplify the expression. (2x − 1)(x2 + 3x − 3)

*October 19, 2013*

**math**

(x + 6y − 5z) − (x − 2y + 4z) Classify the answer by number of terms and degree. 1st-degree monomial 1st-degree binomial 1st-degree trinomial 2nd-degree binomial 2nd-degree trinomial

*October 19, 2013*

**math**

You and your friend are saving for college. You have $50 and are added $10 each week to your savings. Your friend has $20 and he is adding $20 each week to his savings. a. what system of equations would be a good model for this situation? Let x be number of weeks and y be the ...

*October 18, 2013*

**Statistics**

So, how would I figure out the standard deviation of 61.4?

*October 17, 2013*

**Statistics**

What is the mean and standard deviation of 63.7%? What is the mean and standard deviation of 61.4%? Using the 68-95-99.7 rule, describe the sampling distribution of 63.7% Using the 68-95-99.7 rule, describe the sampling distribution of 61.4%? Please help I am so lost...

*October 17, 2013*

**Statistics**

What is the mean and standard deviation of 63.7%? What is the mean and standard deviation of 61.4%? Using the 68-95-99.7 rule, describe the sampling distribution of 63.7% Using the 68-95-99.7 rule, describe the sampling distribution of 61.4%? Please help I am so lost...

*October 16, 2013*

**computer**

why do you think this is?

*October 16, 2013*

**computer**

what is the least difficult microsoft office component to learn? what is the most difficult?

*October 16, 2013*

**computers**

I learned that the website provided 30 day free trial so I learned step by step how to download it first. I just didn't know what it meant by components I got it now ,but thanks

*October 16, 2013*

**computers**

can someone help me anser this question on installing microsoft--- Describe an experience installing the Microsoft Office Suite software. Note: If the software is already preinstalled, take a look at where the software is installed and list the components that are included in ...

*October 16, 2013*

**geometry A please help**

given <A compl to <B <C is compl to <B <A=(3x+y) <B=(x+4y+2) <C=(3y-3) find the measure of all 3 angles show all work please I don't know how to do it thank yu

*October 15, 2013*

**Business Finance**

A bond that has a $1,000 par value (face value) and a contract or coupon interest rate of 10.6%. The bonds have a current market value of $1,125 and will mature in 10 years. The firm's marginal rate is 34%.

*October 14, 2013*

**math**

yes thank you Steve

*October 14, 2013*

**math**

Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. {x | x is a multiple of 2} ∪ {x is a multiple of 5}

*October 14, 2013*

**math**

{2,3,4,5}--Thanks again Steve

*October 14, 2013*

**math**

Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. {1, 2, 3, 4, 5} ∩ {2, 3, 4, 5, 6}

*October 14, 2013*

**math**

A = {distinct letters in the word miss} B = {15} C = {m, i, s} D = {2 + 1} E = {three} F = {3} What is the cardinality of each set?

*October 14, 2013*

**math**

what are the even counting numbers less than 10

*October 14, 2013*

**statistics**

1.c

*October 14, 2013*

**algebra2 please check my answer thanks**

find the vertical asymptotes of the following rational function(remember VA is X) y=x+6/(x^2+11x+30 ) my answer is x+6/(x+6)(x+5) cancel alike term i get 1/(x+5 )and V.A:x=-5 is that right thanks

*October 13, 2013*

**algebra2 please check my answer thanks**

y=x+6/(x^2+11x+30)

*October 13, 2013*

**algebra2 please check my answer thanks**

find the vertical asymptotes of the following rational function(remember VA is X) x+6/(x^2+11x+30 ) my answer is x+6/(x+6)(x+5) cancel alike term i get 1/(x+5 )and V.A:x=-5 is that right thanks

*October 13, 2013*

**Psychology/ Ms Sue**

Are my answers correct Ms Sue? 1. One of the characteristic features of school-age children is that they are more likely than younger children to try to conform to peer standards in such matters as clothing and language? True 2. School age children have a more elaborate ...

*October 12, 2013*

**algebra2 please check my answer thanks**

find the asymptotes for the following inverse function(VA is X and HA isY) y=7/(x) -4 i get VA: x=0 ,and HA :-4

*October 11, 2013*

**math**

Even counting numbers less than 18

*October 10, 2013*

**math**

Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.) {x | x is a multiple of 2} ∪ {x is a multiple of 7}

*October 10, 2013*

**math**

so if there is a line above set a as a complement a , then would the anwser be {11,12,13}?

*October 10, 2013*

**math**

Let U = {7, 8, 9, 10, 11, 12, 13}, A = {7, 8, 9, 10}, B = {7, 8, 11, 12}, and C = {9, 11, 13}. List all the members of the given set. - A ∪ (B ∩ C)

*October 10, 2013*

**math-venn diagram**

In a survey of a TriDelt chapter with 50 members, 18 were taking mathematics, 37 were taking English, and 7 were taking both. How many were not taking either of these subjects?

*October 10, 2013*

**math**

or does the braces union each other so it would be {2,4,6,7,8,10}?

*October 9, 2013*

**Physics**

In proton-beam therapy, a high-energy beam of protons is fired at a tumor. The protons come to rest in the tumor, depositing their kinetic energy and breaking apart the tumor’s DNA, thus killing its cells. For one patient, it is desired that 0.10 J of proton energy be ...

*October 6, 2013*

**Statistics**

How do I find the deviation of each x-value from the expected value of 0.97? The chart looks like this... x P(x) x-u 0 0.24 ? 1 0.55 ? 2 0.21 ?

*October 6, 2013*

**Psychology**

Please check my answers... 1. Asthma is associated with environmental conditions. True 2. Only one-half of U.S. children with asthma follow their doctor's advice about medication. False 3. The percentage of overweight children has increased only marginally in the past 20 ...

*October 6, 2013*

**Algebra**

A baseball team has home games on Thursday and Saturday. The two games together earn $4571.50 for team. Thursdays games generates $68.50 less than Saturday's game. How many was taken in each games? How much did Thursday's game generate?

*October 6, 2013*

**Algebra**

In actor inveseted in some money at 8% and 27,000.00 more than 3 times the amount of 12%, The annual interest is $56480. How much did he invest at each amount? Use the six-step He invested $ _ at 8% and $_ at 12%

*October 6, 2013*

**Algebra**

A mother wants to invest $ 12,000.00 for her sons education. She invests a portion of the money in a bank certificate of deposit (CD Account) which earns 4% and the remain saving bond that earns 7%. If the total interest earned after a year is 720.00, How much invested in the ...

*October 6, 2013*

**Algebra**

The blood alcohol concentration (BAC) of a person who has been drinking is given by the following expression. Number of ounce % alcohol x 0.075 divide body weight in pounds minus hour of drinking x 0.015 In 4 hours a 220lb person has drunk 5 12 ounce beer (60z) each have 5.5% ...

*October 6, 2013*

**Algebra**

(vx0.5403-5450)divide by 1000x34.04 use the expression calculate the property tax paid with the home value of $170,000

*October 6, 2013*

**Math**

A yard measures a x b feet the swingset space is a x c feet how much lawn is left after swing set

*October 1, 2013*

**aLGEBRA 2 help please would appreciate**

X over X+3 subtract X over X-3 = X^2 + 9 over X^2 -9 solve for x. show all work thank you

*October 1, 2013*

**Statistics**

In an Intro Stats class, 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent of students eat breakfast and also floss their teeth. What is the probability that a student from this class flosses his/her teeth given they eat ...

*October 1, 2013*

**Chemistry- moles**

How do I determine the number of hydrogen atoms in .0885 mol Tetracarbon decahydrogen?

*October 1, 2013*

**aLGEBRA 2 help please would appreciate**

X over X+3 subtract X over X-3 = X^2 + 9 over X^2 -9 solve for x. show all work thank you

*October 1, 2013*

**ALGEBRA 2 help please would appreciate**

x x _____ - _____ = x^2+9 ________ x+3 x-3 X^2-9 solve for x. and check answer thank you show work please

*October 1, 2013*

**alGEBRA 2 help please would appreciate**

x over (x+3) -x over(x-3)=x^2+9 over X^2-9 solve for x and check answer

*October 1, 2013*

**aLGEBRA 2 help please would appreciate**

x/x+3 -x/x+3=x^2+9/x^2-9 solve for x and check your answers

*October 1, 2013*

**aLGEBRA 2 help please would appreciate**

x+x/4=25/6 find x please show all the step thank you

*October 1, 2013*

**math**

The cost of a telephone call is $0.75 + $0.25 times the number of minutes. Write an algebraic expression that models the cost of a telephone call that lasts t minutes. i got C= 0.75 + 0.25t am i correct? pls help if im not :( and show me how u got the answer thanks in advance

*October 1, 2013*

**Chemistry**

* at 790 torr not 70

*October 1, 2013*

**Chemistry**

Determine the molecular formula of phosphorus. phosphorus gas has a density of 0.617 g/L at 70 and 200 Celsius ...

*October 1, 2013*

**Statistics (Reiny)**

1. A consumer organization estimates that 30% of the households in a particular community have one television set, 39% have two sets, and 20% have three or more sets. What is the probability that a household chosen at random does not have two sets? A) 0.39 B) 0.80 C) 0.61 D) 0...

*September 30, 2013*

**Statistics**

1. A human gene carries a certain disease from a mother to her child with a probability rate of 0.58. That is, there is a 58% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has five children. Assume that the infections, or lack ...

*September 29, 2013*

**Statistics**

Thank you!

*September 29, 2013*

**Statistics**

1. In a certain game, the probability of getting a red outcome is 0.03. Find the probability of getting an outcome that is not red? The answer must be in a decimal. I put 0.97 as the answer ( 1-0.03=0.97) 2. The instructor in a Humanities class says that students have a 15% ...

*September 29, 2013*

**ALGEBRA 2 help please would appreciate**

3x-8 over 3x subtract 8 over 7y please show all work help needed. I have no idea how to do it

*September 29, 2013*

**math**

convert from decimal to the indicated base. 56 to base 5. i know theres long division involved but i have no idea what to do after. i did 5\56 & got 11 then 5/11 & got 2 & then 5/2 to finally get a remainder of 0 what do i do now!?

*September 28, 2013*

**Psychology (Ms. Sue)**

Ms. Sue would you please check my answers? 1. To begin to regulate their emotions, children must first start to learn impulse control? True 2. Young children typically have low self esteem since they compare their abilities with their peers? False 3. Guilt is an emotion of ...

*September 27, 2013*

**Chemistry**

If 4.41 moles of C5H12 react with excess O2, how many moles of CO2 will be produced in the following combustion reaction? C5H12+8O2 --> 6H2O+5CO2

*September 25, 2013*

**Psychology**

Preschoolers do not use private speech to A) communicate with those around them B) decide what to do C) explain events to themselves D) review what they know Is the answer A?

*September 22, 2013*

**organic chem**

name all the isomers for c5h10br2

*September 22, 2013*

**english**

While shopping for garden gnome Myrtle noticed some new ceramic herb pot but she though they were considerably more expensive than the sturdy green plastic ones.

*September 19, 2013*

**marketing**

• What challenges do specialized magazines such as Mother Earth News face hen trying to entice advertisers? Create a pitch to a potential green-product advertiser stating the benefits of advertising in Mother Earth News.

*September 17, 2013*

**marketing**

Suppose you are the advertising manager for a new line of adult fragrances. Which form of media would you use for this new product? Please explain.

*September 17, 2013*

**math**

Workers who manufacture shirts are sometimes paid based on the number of shirts they produce. Compute Lyle's gross pay if she made 380 shirts. The rate per shirt is given by the differential piecework schedule below: Pay Level Pay Level Items Produced Rate per Item 1 1-187...

*September 17, 2013*

**math**

if thr mechanic says that it will take seven days to repair your car, then it will actually take ten days. The mechanic says, "I figure it'll take a week to fix it." Then you can expect it to be ready ten days from now. I don't understand how this would be ...

*September 16, 2013*

**Psychology**

1.Do axons and dendrites meet at synapses? True 2. Does perception take place in the corpus callosum? False 3. One of the drawbacks of breast feeding is that the quantity of breast milk produced is not adjustable. for example it may be difficult for a mother to keep up with ...

*September 6, 2013*

**algebra**

Select the x-coordinate of the vertex of the parabola defined by the function f(x)=-3x^2+7x+8

*September 6, 2013*

**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.)

*September 6, 2013*

**Organic Chemistry**

Is ethyl cyclohexane optically active?

*September 5, 2013*

**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

*September 5, 2013*

**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

*September 5, 2013*

**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

*September 5, 2013*

**Organic Chemistry**

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

*September 5, 2013*

**English**

What is the subject

*September 4, 2013*

**Acc. Algebra 2**

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

*September 3, 2013*

**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.

*September 3, 2013*

**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?

*September 3, 2013*

**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.

*September 3, 2013*

**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. ...

*September 3, 2013*

**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?

*September 3, 2013*

**parentheses**

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

*September 2, 2013*

**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 ...

*August 28, 2013*

**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

*August 27, 2013*

**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 ...

*August 26, 2013*

**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...

*August 24, 2013*

**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 ...

*August 24, 2013*

**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 ...

*August 24, 2013*

**psy**

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

*August 21, 2013*

**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 ...

*August 15, 2013*

**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

*August 4, 2013*

**Math**

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

*August 4, 2013*

**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

*August 4, 2013*

**POL 201**

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

*August 2, 2013*

**American history**

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

*August 2, 2013*

**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.

*August 2, 2013*

**American history**

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

*August 2, 2013*

**American Government**

Lock's use of the term "property"

*July 29, 2013*

**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.

*July 29, 2013*

**medical billing**

I don't understand this website

*July 25, 2013*

**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

*July 22, 2013*