Posts by mark
Total # Posts: 1,761

math
Find the distance from the origin to the line x2y=4 
math
During a training exercise, a submarine travels 16 km/h on the surface and 10 km/h underwater. if the submarine traveled a distance of 160km in 12.5h, how long was it underwater? 
algebra 2
what is the quotient in simplified form? State any restrictions on the variable. (6x)/x^2+3x28 divided x^236/x^2+5x36 
math
The scale for a map says that 1 cm is equal to 25 miles. Jennifer measures the distance between two cities as 4.5 cm. How far apart are the cities? A) 90 miles apart B) 112.5 miles apart C) 128.5 miles apart D) 149 miles apart 
Algebra
Reiny I don't even recall learning interest as I moved schools in the middle of the year when we started studying them. 
Algebra
MsPi, No, I do not know how to use logarithms. thanks :) 
Algebra
Lovely! Thank you so much Damon! <3 
Algebra
An investment account earns 7.5% per year compounded quarterly. How many years will it take for the account to triple its initial value. (Make sure that you round up) For the death of me, I can't figure out how to do this problem. Can anybody walk me through it so I can do... 
Social Study
How did the location of the Arabian Peninsula help the Muslims conquer territory beyond the Arabian Peninsula? 
Math
sorry... A bus company has 4000 passengers daily, each paying a fare of $2. For each each $0.15 increase, the company estimates that it will lose 40 passengers. If the company needs to take in $10 450 per day to stay in business, what fare should be charged? 
Math
A bus company has 4000 passengers daily, each paying a a fare of For each each $0.15 increase, the company estimates that it will lose 40 passengers. If the company needs to take in $10 450 per day to stay in business, what fare should be charged? 
Science
Thanks, Ms. Sue 
Science
Can somebody give me their simple definition (6th grade level) of a point source and pollution? 
Calculus
Find the amount of a continuous money flow in which $1000 per year is being invested at 5% compounded continuously for 40 years. How would I set up my equation in order to solve? 
Social Studies (Check my work)
What factors contributed to the weakening and decline of Medieval Europe? My answer: In the 14th century, there was a disease called the black death. It weakened Medieval Europe a lot because it killed millions of Europeans. Is this good? 
US History
I believe the text favors answer A. Thank you, though. 
US History
Camp meetings, like the one in the picture above, were thought to inspire which of the following? (picture showing crowds of people gathered around people in a forest) Men and women to give their lives to God ** Men and women to accept and pray for sinners Men to treat slaves... 
Social Studies help
What is a cradletograve system? A. a system of staterun hospitals and nursing homes B. an association of doctors and nurses C. an association of nursery schools and public schools D. a system of basic services for every stage of life ** 
!!!!!SCIENCE HELP!!!!!
4. Explain the data you will want to collect on your mission, and list the instruments you’ll need so that you can collect and store samples while on your mission. Describe how any collected data will be used when you return from your mission. (3 points) My planet I chose... 
Math
A new elementary school will have 50 faculty members. Some will be teachers and the rest will be aides. At this school, teachers will earn 20,000 dollars a year and the aides 12,000 dollars. The total amount to be spent on salaries is $872, 000. How many aides may they hire? 
Art
Ok, I will go with A. Thank you! 
Art
A container is decorated with images of Egyptian gods and placed inside a tomb. What is the likely function of this object, given what you know about Egyptian culture? A. This container was probably designed to protect the internal organs of the dead during mummification. (I ... 
Math
Tom bought three tee shirts for the sale price of $14.50. The three tee shirts were originally priced $3.99,$6.99, and $5.99. How much money did he save compared to the original total price of the Tshirts? Show your calculations. What percentage of the original total price ... 
Math
Use a left endpoint Riemann sum approximation with four subintervals to evaluate integral from 0 to 8 of g(x)dx These points were given: (0,1) (1,1.5) (2,2.5) (3,3) (4,1.5) (6,0.5) (7,1) (8,1.25 
math
A little help please, thanks. Kelly conducted an experiment. In each trial she flipped a coin and rolled a number cube that has sides labled 1 to 6. The results are shown above. What is the experiementl probability that her next flip will be tails? Trial 1, Outcome 3, H Trial ... 
Calculus
Your classmate claims that the the function f(x,y) = x^3(e^{x^2?3y^2})?(17?3x^2)(y?2) does not have an absolute maximum nor an absolute minimum when the function is restricted to the disk x^2+y^2 ? 7. Please explain why this is incorrect. 
Math
Need some help setting this up. Thank you. A dance studio measures 150 feet by 120 feet. A scale drawing of the dance studio floor measures 10 units by 8 units. What scale was used to create the scale drawing? A) 1 unit: 8 feet B) 1 unit: 10 feet C) 1 unit: 15 feet D) 1 unit: ... 
Math
A hippopotamus can stay under water for 15 minutes. A sea cow can stay under water y minutes. This is 11 minutes longer than one third the time a hippopotamus can. Write an equation and solve to determine how long the sea cow can stay under water. 
Math
Greatly appreciated 
Math
I'm stumped on this question, would appreciate some help please. Ms. Babalola has a bag that contains 4 white beads, 6 red beads, 5 yellow beads, and 5 blue beads. One head is selected and not replaced. Then a second bead is selected and replaced. Then a third head is ... 
math
suppose that the average number of snow globes per household is distributed between 3 and 9. 
Language Arts
Thank you! 
Language Arts
The football team cannot play ____ best when it is so hot. A. its ** B. our C. their D. you're I had this question in a language arts meeting with my teacher but I forgot the answer. I know that she talked about it being a trick question though so I'm not sure. 
Social Studies
Colombian eradication programs designed to limit or halt the production of crops used to produce drugs is unlikely to cause a decrease in A. deforestation B. poor soil quality. C. The population of Columbia. D. the number of healthy Columbian children. My mom thinks It's ... 
Language Arts
Which sentence correctly uses pronouns? A. If people want to succeed in life, they must know the rules of the game. B. If someone wants to succeed in life, we must know the rules of the game. C. If a person wants to succeed in life, you must know the rules of the game. D. If ... 
Language Arts
My bad. I didn't see that. I think it's D. 
Language Arts
I think it's B. 
Language Arts
Which sentence correctly uses pronouns? A. If people want to succeed in life, they must know the rules of the game. B. If someone wants to succeed in life, we must know the rules of the game. C. If a person wants to succeed in life, you must know the rules of the game. D. If ... 
Physics
The work done by one mole of a monatomic ideal gas (gamma=5/3) in expanding adiabatically is 964 J. The initial temperature and volume of the gas are 395 K and .0848 m^3. Obtain a) the final temperature and b) the final volume of the gas. 
PhysicsPlease Help
A foot pushes against the ground with a force of 777 N in the vertical direction with a perpendicular displacement of 0.125 m away from the COM and 850 N in the horizontal direction with a perpendicular displacement of 0.025 m away from the COM. If the calf muscle pulls with a... 
Math generating functions
at present, there is onehundred thousand in a trust fund. The fund earns two % interest per year, but ten% of the fund is given away each year. Also, tenthousand is put into the trust fund per year. 1a) Obtain and solve the difference equation by generating functions 
Statistics
Sickle cell disease is an inherited blood disorder that affects red blood cells. Since it is a recessive disorder, a person inheriting two sickle cell genes will have the disease, whereas a person inheriting only one sickle cell gene will be healthy, but will carry the sickle ... 
hisory
Are you a teacher from NGMS? 
Ed tech
Which of the following questions will most likely be answered by displaying data on a bar graph? A. Which bank account earned interest the fastest last year? B. Which ice cream flavor do the most students prefer? ** C. How many total hours did the class spend sleeping? D. How ... 
Scott algebra
Scott... wouldn't the x be 6?..thanks posted by mark today at 6:56pm. use intercepts to graph the line described by each equation: 6y = 4x + 24 I was told that the x intercept is 6 the y intercept is 4 Can you please explain to me how that's the answer step by step... 
algebra
use intercepts to graph the line described by each equation: 6y = 4x + 24 I was told that the x intercept is 6 the y intercept is 4 Can you please explain to me how that's the answer step by step please (baby steps) Thank you 
math
Write a system of equations, three equations/three unknowns, that has (1, 2, 3) as the solution. 
pre algebra 8
Michael wants to rent a car on his vacation. The rental fee is 60 dollars per day plus a refueling charge of $40. He has at most 400.00 to spend. The inequality 60d +40 <= 400 can be used to find d, the number of days he can rent the car. Solve the inequality and interpret ... 
Grade 8 prealgebra
Michael wants to rent a car on his vacation. The rental fee is 60 dollars per day plus a refueling charge of $40. He has at most 400.00 to spend. The inequality 60d +40 <= 400 can be used to find d, the number of days he can rent the car. Solve the inequality and interpret ... 
grade 8 prealgebra
Grace earns 7 dollars for each car she washes. She always saves 25 dollars of her weekly earnings. This week, she wants to have at least 65 dollars in spending money. How many cars must she wash? Write and solve an inequality to represent this situation. Interpret the solution... 
Math help
is it 11? 
Math help
10.7238053 
Math help
So how do I solve this? 
Math help
Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? (1 point) 11 29 ** 42 58 
chemistry
Calcium carbide (CaC2) reacts with water to produce acetylene as follows. The complete reaction of 25.2g CaC2 produces ____ grams of calcium hydroxide. CaC2(s) + 2H¬2O(g) ? Ca(OH¬)2(s) + C2H2 
mark check my work algebra
a cartoonist uses the function below to calculate the net profit he earns from sellings his drawings.In the function, d represents the number of drawings he sells. N(d)= 30(d)$500...what is domain of N(d)? is the answer all non negative real numbers? 
pre algebra
f(x)=9x+7 The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. help why is the answer negative infinity, infinity? thank you so much...please explain in plain ... 
pre algebra
what is the domain of the function below? f(x)= x^2 + 11 thank you choices are: 1. ( infinity, 11) 2. (infinity, infinity) 3.(11, 11) 4. (11, infinity) 
Math/Physics
Steve (85 kg) is gliding (v ? 0) east on his crosscountry skiing across a flat section of snow and is experiencing a wind resistance of 2 N against him. The coefficient of kinetic friction between the skis and the snow is 0.09. If the force of friction and wind resistance ... 
pre algebra
Lilliana is training for a marathon. She runs the same distance every day for a week. On Monday, Wednesday, and Friday, she runs 3 laps on a running trail and then runs 6 more miles. On Tuesday and Sunday, she runs 5 laps on the trail and then runs 2 more miles. On Saturday, ... 
Calculus
a pebble is dropped into a calm pond, causing ripples in the form of concentric circles. the radius r of the outer ripple is increasing at a constant rate of 1 root per second. When the radius is 4 feet, at what rate is the total area A of a disturbed water changing? Thank you! 
pre algebra
Jonathon is starting a new job where he will earn $100 per week plus 15% commission on all sales. Write an equation and solve it to show what his sales were for a week if he earned $380.00? Round your answer to the nearest integer. Thank you! I think you start with 10 +.15s = 380 
Social Studies
The Inuit made temporary shelters in the summer out of which type of material? A. Snow B. Animal skin ** C. driftwood D. metal I'm confused because they made tents out of driftwood and animal skin. 
PE
Thank you Ms.Sue 
PE
Wait no C 
PE
A ________ is the way a person reacts to a situation based on the social environment in which a person grows up. Coping Strategy Defense Mechanism ** learned emotion primary emotion 
Language Arts
So that's everything I need to answer on the first sentence? 
Language Arts
What impact did your Independent Reading selection have on you as a reader? Would you recommend your selection to a friend? Why or why not? Support your response with at least two pieces of evidence from your Independent Reading selection. Be sure to give the title and author ... 
Math
How many ounces of 1% antifreeze solution must be added to 100 ounces of 40% antifreeze solution to obtain a 16% antifreeze solution? how do I set this equation up? 
Social Studies
I just did it. It said it's proimmigration 
Social Studies
It asks this on my quiz. 
Social Studies
Since Canada’s labor force growth is made up of 70% immigrants and is projected to rise to 100%, you might best speculate that Canada’s government has a(n) ______________ policy. A. antiimmigration B. pro immigration C. Constitutional ** D. democratic 
math
here are a series of questions and my answers are down below, please help me if I am wrong 1. Sain Advertising Ltd.’s opening trial balance on January 1 shows Supplies $1,600. On January 11, the company purchased additional supplies for $2,510 on account. On January 31, ... 
9th grade algebra
solve for h The formula for finding the area of a trapezoid is A = 1/2 (b1 + b 2)h where A represents the area of the trapezoid, b1 and b2 are bases, and h represents the height. Solve the formula for h. I know the answer is h = 2A/b1 + b2 but I don't understand why...can ... 
Economics
You have $3000 in an account that yields a nominal return of 6%. If the inflation rate is 3%, how long will you have to leave your money in the account for it to double in real terms? 
Math
You have $3000 in an account that yields a nominal return of 6%. If the inflation rate is 3%, how long will you have to leave your money in the account for it to double in real terms? 
Language Arts answers
Players wear helmets and pads for protection. (direct objects, predicate nouns) Helmets and pads for protection.(direct object) However, injuries can sometimes be serious or lasting. (indirect objects, predicate adjectives) Sometimes be serious or lasting.(predicate adjective... 
Language arts help
Okay, thank you guys! 
Language arts help
Ohhhhh. A sport and also entertainment is the compliment (Predicate noun) Right? 
Language arts help
Identify the complement in each sentence. Then, indicate its type in parentheses. Football is a sport and also entertainment. (indirect objects, predicate nouns) _____________________________ Please help. I have no idea how to do this. I don't know how to do it. help! 
Journal entries accounting
journalize the following entries: 1, Received partial payment of $211 from J. Kronsnoble for work billed on June 7. 3. Paid for supplies purchased on June 4. my answers: 1. cash 211 accounts recvieable 211 3. supplies 258 accounts payable 258 
Math
Sam is at the driving range practicing his swing. During Sam’s golf drive, the initial angular velocity of his club is 5 rad/s at the start of the backswing. The constant, average angular acceleration of the club between the start of the backswing and the instant it ... 
Math
Sam is at the driving range practicing his swing. During Sam’s golf drive, the initial angular velocity of his club is 5 rad/s at the start of the backswing. The constant, average angular acceleration of the club between the start of the backswing and the instant it makes... 
Algebra
12,500+750x=22,500+250x 12,500+750(20)=22,500+250(20) 12,500+750(20)=27,500 22,500+250(20)=27,500 Cars Sold=20cars 
Algebra
Answer: 30,24 3024=6 30+24=54 
Math/Physics
Sam is at the driving range practicing his swing. During Sam’s golf drive, the initial angular velocity of his club is 5 rad/s at the start of the backswing. The constant, average angular acceleration of the club between the start of the backswing and the instant it ... 
Math
Okay thanks, but how would you then calculate the total displacement from there? Sorry I am just a bit lost. 
Math
You are going hiking in Brown County State Park this weekend and want to plan your route to Lake Monroe. Starting from the parking lot, you plan on hiking 2300 m due west, 17500 m due south, 1900 m due east, and 1200 m due north. What will be the total distance of your hike ... 
Physics
Actually I think I got it. So I could just add both N component and E component together to get a final resultant of 22.911 N of E then correct? Thanks 
Physics
Hey thanks, but could you explain it a little? But also would the final resultant be 13sin(40)m/s? Why would we not use cos in this instant? 
pre algebra
a(n3)+8=b solve for n an3a +8=b (subtracted an from left side) I get: 3a+8 = ban =3a +8 = ba(n) =3a+8/ba = n but i think this is wrong...help...thank you 
algebra 1
given that 1 mile is 5280 feet, covert 92 feet per minute to miles per hour I don;t get it...the part that confuses me is the "per minute" ..i don;t get the relationship to the mile thing....totally stumped..sorry can't even offer an idea how to do this one...... 
Math
In how many ways can 4 married couples seat themselves around circular table if at least one husband sits beside his wife? 
Language Arts
Choose the phrase that would best replace the italicized words in the sentence. the ringing of the school bell was "music to my ears" A. a pleasant melody B. a band playing loudly C. a welcome sound** D. a warning signal 
Social Studies
Both parliamentary and unitary systems A. deny voting rights to their citizens. B. Give most power to the states. C. Have strong national executive leaders. ** D. Forbid local governments from making decisions. 
math 131 freshman college
40/45  36/45 
math 131 freshman college
Ms.Sue I get late responses for some reason He said 3 or 1 so I said no. I didn't see the revised response. 
math 131 freshman college
I don't think so 
math 131 freshman college
No 
math 131 freshman college
What do you think it is?