Posts by tim
Total # Posts: 1,526

Math
Which of the following vectors are parallel? u=2i+4j2k, v=ij+3k w=i2j+k, p=i+j+k q=4i4j+12k, r=ij+k 
Math
The force on an object is F =?21j . For the vector v =4i ?j , find: a) The component of F parallel to v : (b) The component of F perpendicular to v : The work, W, done by force F through displacement v : 
Math
Suppose A=(1,3,?6) and AB=?7,5,11?. Then B= 
Statistics
Episodes of dehydration are common at outdoors music festivals. At a particular large annual event, a first aid team has recorded over the years 85 cases on average per day. In 2018, during a weekend they observe 78, 86, 79, and 81 cases. Assuming the distributions of cases is... 
Calculus
Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at twohour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find the upper estimate (... 
Grade 12 Calculus
A science project studying catapults sent a projectile into the air with an initial velocity of 24.5 m/s. The formula for distance (s) in meters with respect to time in seconds is s = 4.9t2 + 24.5t. a)Find the time that this projectile would appear to have the maximum ... 
Math
In a class 1/3 are boys.If 2/5 of the boys are absent, what fraction of the boys is present? 
Chemistry
A sample of oxygen, O2, occupies 32.2 mL at 30 °C and 452 torr. What volume will it occupy at –70 °C and the same pressure? 
Health
9 and 10 are false 
Statistics
88% 
Math
Divide 33 photos into 2 groups so that the ratio is 4:7 
maths
two cars start to drive around two Km trackat the same time.carX MAKES ONE lap every 80second,while CarY make one lap every 60second. How long will it take for two cars to be at their starting position again?give answer in minutes. 
math
A standard deck of cards has 52 cards in it. The cards are divided into 4 suits or 13 cards each.If one draws two cards at random from the deck of cards what is the probability that they are of the same suit ? 
math
How many di?erent outcomes could there be when rolling three 6 sided dice ? 
math
How many di?erent outcomes could there be when rolling three 6 sided dice ? 
math
A committee of 5 is chosen from 6 teachers and 3 students and 7 others. Determine the number of ways of selecting the committee if it is to contain: (a)at least two teachers (b)no teacher nor student 
algebra
7 more than twice Jenny'a age. Use j to represent Jenny'a age 
Language Arts
but how would i answer this im supper confused 
Ashford
In hiring officials it is considered best to: A. Pay a salary plus expenses rather than a flat fee B.Have officials selected with the approval of the opponents C.Use local officials D.Have officials chosen strictly by the home team. A and C Which of the following is not ... 
Ashford
In hiring officials it is considered best to: A. Pay a salary plus expenses rather than a flat fee B.Have officials selected with the approval of the opponents C.Use local officials D.Have officials chosen strictly by the home team. A and C Which of the following is not ... 
Language Arts 7
whats number 5 
Math
The bus fare in a city is $2.00. People who use the bus have the option of purchasing a monthly coupon book for $ 20.00. With the coupon book, the fare is reduced to $1.00. Determine the number of times in a month the bus must be used so that the total monthly cost without the... 
Math
The two stadiums with the largest capacities are Marshfield Stadium and Bowden Stadium. The capacity of Marshfield Stadium exceeds that of Bowden by 7,341 people. Combined, the two stadiums have a capacity of? 210,355 people. Find the capacity of each stadium. Marshfield ... 
Math
Use the percent? formula, A=PB: A is Percent of B 30% of what number of 87%. Need help. 
Math
When seven times a number is decreased by 8, the result is 55. What is the number. Help me to understand. 
Algebra
Please show me how this is my first time learning algebra. 
Algebra
add 18 to both sides, take the square root to each side to find x. Please show me how. 
Algebra
Evaluate the algebraic expression for the given value of the variable. 4,x^218= 10 Please check my answer 
Alegbra
Evaluate the given expression for x= 9. 6x4= I need help understanding. 
Alegbra
I need help understanding this problem. ?(Simplify your answer. Type a whole? number.) 3^2 3^3= 
Alegbra
Use properties of exponents to simplify the given expression. First express the answer in exponential form. Then evaluate the expression. 3^2 3^3= 
Math
last week she read=1/5 this week she read=3*1/5=3/5 she has read =last week+ this week =1/5 +3/5 =4/5 left to read=5/54/5 =1/5 
Accounting
X has recorded bad debt expense in the past at a rate of 1.5% of accounts receivable, based on an aging analysis. In 2017, X decides to increase its estimate to 2%. If the new rate had been used in prior years, cumulative bad debt expense would have been $387,800 instead of $... 
algebra
Determine the length of the missing side of each right triangle. Show your work. 1)a=15; b=?; c=20 Answer is b= 5?7 2)a=9; b=12; c=? Answer is c= 15 **How do I show my work to come up with each of these two answers? THANK YOU!! 
algebra
The length of a rectangle is 4 inches more than twice the width. If the area of the rectangle is 48 square inches, what is the length of the rectangle? SHOW WORK. Thank you!! 
099
2(2x7)16=3(x7)11 After getting rid of the () 4x1416=3x2111 Where do I go from here? 
099 math
2(2x7)16=3(x7)11 
099 math
2(2x7)16=3(x711) 
099 math
2(x5)+1=5 
English
Identify the most effective method by which a writer can persuade a reader. A.S/he repeats the same idea over and over, using different words. B.S/he tries to use information that could frighten a reader. C.S/he supports main points with strong research. D.S/he proofreads the ... 
English
To cite sources correctly in APA, a researchbased paper must contain both intext citations and a references page that contains full citations of each source mentioned in the paper. True False I say True. Please check my work. 
English
Evaluate which of the following is the best example of a summary. A.In Goldilocks and the Three Bears, a character named Goldilocks sneaks into a home owned by bears. She eats a bowl of porridge and falls asleep in the house. When the bears return, Goldilocks awakens. ... 
English
A typical researchbased paper contains an introduction with a thesis, a body in which the paragraphs begin with topic sentences, a conclusion, and a references page. True False I say True. Please check my work. 
English
In any academic writing, it is appropriate to use the word you, as in: When you read the research, you know that the death penalty does not deter crime. True False I say false. Please check my work. 
Physics
A locomotive pulls 12 identical freight cars. The force between the locomotive and the first car is 150.0 kN, and the acceleration of the train is 2 m/s2. There is no friction to consider. Find the force between the eleventh and twelfth cars. (Express your answer to two ... 
English
I'm trying to follow my teacher advise. Writer's must include their research to ensure there reader's understands his point. How would you write this. 
English
The male writer research must ensure his reader they are understanding his point. Recheck my answer. 
English
The writer research must ensure the reader is understanding his point. Please check my work or how would you rewrite. 
English
Revise the following sentence to include gender neutral pronouns. Change any words necessary. A writer must include research to ensure the reader understands his point. I need help with this one. 
English
It's important to evaluate information, before including it in the paper. Is this better. 
English
It's important for me to evaluate information before including it in the paper. Please check my work. 
English
Revise the following sentence to omit personal pronouns. I think it is important for you to evaluate information before it in a paper. It's important to evaluate information before including in your paper. Please check my work. 
English
Rewrite the following sentence to make it more concise: The referendum was held by the government in the month of August. The Government held a referendum in the August. Please check my work. 
English
The floodwall was utterly devastation. Please check my work. 
English
Rewrite the following sentence to make it more concise: The end result of completely eliminating the floodwall was utter devastation. I need help with this one. 
English
How would you rewrite the sentence. 
English
Revise the sentence below to make it more formal: 'You're going to get really fat if you eat at fast foods restaurants all the time. My version: If you continue eating at fast food restaurants all the time, the possibility of becoming obese will be very high. Please ... 
Geometry
What is the relative position of two lines if their orthogonal projection onto the projection planes are a) parallel lines b) coinciding lines c) intersecting lines 
English
Yes I'm studying a threepart intext citation for APA guidelines. 
English
Generally, any sentence that contains researchbased information must include a threepart intext citation that lets readers know the source of the information. True False I sat True. Please check my answer. 
English
Quotation marks are required when using exact words from an outside source. True False I say True. Please check my answer. 
English
When a writer paraphrases or summarizes information from a source, s/he does not need to provide a citation. True False. I say false. Please check my answer. 
English
The sentence below requires a citation. In the last three years, Ford has sold more automobiles in America than any other automanufacturer. 1.True 2.False I say False. Please check my answer. 
English
After reading the website you recommended I now say False. 
English
The sentence below requires a citation. The United States of America has 50 states. True False I say True. Please check my answer. 
English
In a researchbased paper it is sometimes OK to quote directly from a research source without any attribution. True False I say False. Please check my answer. 
math
2?72 +?32 I got 8?8 
Math
2sqr72+sqr32 9x8 plus 4x8 2sqr3 x sqr8 + 2xsqr8 =8sqr8 
English
Thankyou Ms. Sue for your help. You are great.. 
English
Read the thesis statement that follows. Identify why it is a good thesis statement. Government should provide health insurance because the costs of uninsured people damage the economy. A.It is interesting B.Everyone already knows it’s true. C.It mentions a broad topic, ... 
English
The sentence below is a workable thesis statement. The U.S. manufacturing industry should receive more government subsidies so that it can compete worldwide with companies whose governments give greater subsidies 1. True 2.False I say True. Check my answer 
English
Any good thesis statement should contain intext citations. A. True B. False I say true. 
English
Will the answer be D. The conclusion is the closing statement. 
English
1. Identify which description below is untrue of a good thesis A. A thesis mentions a broad topic. B. A thesis narrows the broad topic to a single statement C. A thesis very briefly mentions the factors that contribute to the writer’s position D. A thesis belongs in the ... 
Geometry
tnks, Cool is 100 correct 
Partial Sums and finding a certain term
Suppose that the nth partial sum of the series ? ?an is Sn = (5n2)/(5n+2) n=1 ? Find a3. I have tried plugging in n = 3 and solving Sn but that is incorrect. I believe something is wrong with my approach and I would be happy to get some guidance. 
Partial Sums
Suppose that the nth partial sum of the series ? ?an is Sn = (5n2)/(5n+2) n=1 ? Find a3. I have tried plugging in n = 3 and solving Sn as well as summing the first three terms of the series to find a3. I believe something is wrong with my approach and I would be happy to get ... 
Partial Sums
ignore this question I accidentally posted it 
Partial Sums
Suppose that the nth partial sum of the series ? ? ?n=1 an ? is ?sn = ? 5n ? 2 5n + 2 ? 
Recursive Sequence and its Limit
I have been given the following info: a<1> = 1, a<n+1> = 3*a<n>/6+a<n> I plugged L in and ended up with the equation: L = 3*L/6+L, which I solved and got L = 3 for the limit. However, this answer is either only partially correct or close to the true ... 
Mathematical Induction
Thank you Steve for the response. So from what you have said, I first assume that a<n+1> > a<n> and then prove that the corresponding expression is true? Or is it the other way around? 
Mathematical Induction
Monotonic* 
Mathematical Induction
I have been given that a1 = 1 and an+1 = 1/3*(an + 4). In order to prove that this sequence is monotonous, what is the second step of mathematical induction? If my explaining of the question is unclear, here is a picture of the question and the possible answers. I believe the ... 
Calculus (Sequences)
Hello, here is a picture of the question I am trying to solve, I believe the answer to be C, but I would just like some confirmation/correction. goo. gl/gWfhVn 
English
Choose the correct word or phrase to fill in the blank. Do you really want to give __________ the money that you earned? A.she and Jim B.Jim and she C.them two D.Jim and her I think it's D. 
English
Choose the correct word or phrase to fill in the blank. Neither her associates nor the doctor __________ the surgery is necessary. A.thinks B.think I pick A. 
Math
Put the distance each friend live from one another from greatest to least,4 3/4,4 7/8,4 9/10 and 4 4/5. 
physics
an object of mass 10 kg is at rest when a net force of 20 N acts on it in a direction east. The acceleration produced on the object is? a) 2 m/s^2 in the direction east b) 2 m/s^2 in the direction west c) 0.5 m/s^2 in the direction east d) 0.5 m/s^2 in the direction west e) ... 
physics
A 1kg rock is suspended from the tip pf a uniform meter at 0 cm mark so that the meter stick balances like a seesaw when the fulcrum is at 20 cm mark. what is the mass of the meter stick? 
Finite Math
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each modelA hibachi requires 3 lb of cast iron and 6 min of labor. To produce each modelB hibachi requires 4 lb of cast iron and 3 min of labor. The profit for each model... 
FUNCTIONS HELPPPPP????
Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^298 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) I do not know how does everyone get this answer g(x) = f2(x)... 
Functions
Can you show me the process to 1/8x^2+2x90 because I'm getting way different answer 
Functions
i know i need to use this formula g(x) = f2(x)  f3(x) 
Functions
THATS the question 
Functions
I need to make an equation with the 3 pieces 
Functions
Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^298 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) 
Functions
Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^298 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) 
Math
Thank you 
Math
You are randomly selecting one catches on a 52 card deck.find the probability of selecting: a 2 or a 3 I got 2/13 A red 2 or a black 3 I got 1/13 I want to make sure it is correct This is very urgent Thanks 
L'Hospital's Rule and Indeterminate Forms
I understand LHR can be applied to limits of the indeterminate form 0/0 and inf/inf. However, can it be applied to the other indeterminate forms of 1^inf, infinf, inf^0, 0^inf, and inf*inf?