Sunday
September 25, 2016

Posts by Max

Total # Posts: 667

Physics
Block A (Mass = 2.319 kg) and Block B (Mass = 1.870 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a frictionless, massless pulley...
September 25, 2016

physics
You walk for 6.44 km with at a constant velocity of 2.55 m/s due west, turn around, and then walk with an average velocity of 0.440 m/s due east. From your starting point to your destination, your overall average velocity is 1.33 m/s due west. During the trip, how far east did...
September 22, 2016

English
Is it "manmade", "man made", or "man-made"?
September 12, 2016

Algebra 1
7/2=x/48 2x=329 x=164.6 ~ 165 boys
September 7, 2016

Math (urgent)
Thanks. That was my problem, I couldn't find a right answer. Is there a problem with my work? x^2+y^2=25 y=x-1 x^2+(x-1)^2=25 (x-1)(x-1)=x^2-2x+1 x^2+x^2-2x+1=25 2x^2-2x+1=25 2x^2-2x-24 2(x^2-x-12) 2(x-4)(x+3) x-4) (x+3) x=4 x=-3 y=x-1 y=4-1 y=-3-1 y=3 y=-4 (4,3) (-3,-4)
September 7, 2016

Math (urgent)
the equation x^2+y^=25 describes a circle with center at the origin and radius 5. The line y=x-1 passes through the circle. Using the substitution method, find the points at which the circle and line intersect. a) (4,3) and (-4,-3) b) (3,4) and (-3,-4) c) (4,-3) and (-3,4) d) ...
September 7, 2016

Math
c^9*d^-7/c^14*d^-10
September 6, 2016

profit and loss
1100 divided by 100 is 11, so he gets $11 for one kg of rice. 11x20=220 So, he lost $220.
September 6, 2016

math
a six-faced die was thrown 28 times. the table shows the number that each possible score occurred. score 1 2 3 4 5 6 frequency 8 6 6 2 4 2 (a) After the 27th throw the median score was 2. what was the least possible score on the 28th throw? (b) The die was then thrown twice ...
August 12, 2016

math
How does the volume of a rectangular prism change if the width is reduced to 2004-06-01-04-00_files/i0280000.jpg of its original size, the height is reduced to 2004-06-01-04-00_files/i0280001.jpg of its original size, and the length is reduced to 2004-06-01-04-00_files/...
July 28, 2016

Chemistry
At constant pressure , a certain gas occupies 80cm3 at 0 degrees, what wil be its volumd at 10 degrees
July 19, 2016

Math
Determine u⋅v if u =5, v =3,and θ =π/3 ,where θ is the angle between u and v. A) 7.50 B) 12.99 C) 10.61 D) 10.25 E) 9.05
July 14, 2016

Physics
The answer is zero.
June 28, 2016

math
If one box contains 2apples nd 3 bananas... nd u r asked to calculate total num of bananas in 5 boxs....
June 27, 2016

math (check answer)
You want to know the number of students in your school that have a January birthday. You survey the students in your math class. Three students have a January birthday, and 32 do not. So, you conclude that about 8.6% of the students in your school have a January birthday. ...
May 21, 2016

math
Which sample is better for making a prediction? Why? Sample A: A random sample of 10 customers leaving a store Sample B: A random sample of 100 customers leaving a store i think maybe sample a would be more better for just a prediction because it's just 10 people. but then...
May 21, 2016

Math
John bought 8 apples and 10 oranges for a total of $41.60. An orange cost 70 cents less than an apple. What was the total cost of the apples?
May 3, 2016

STAT
Jet blue states the average air fare from Toronto to LA is $1455 with a SD of $123.56. What is the 99% confidence interval with a sample size of 64 airfares
April 21, 2016

STATS
The average number of applications of one gallon of car wax is 450; with a stdev of 23.9; if the bottom 5.2% of the wax containers is defective from the factory; what is the lowest amount of applications will pass and not be rejected.
April 7, 2016

Hydrology
I am having difficulty analyzing my lab data. I don't know whether to analyze a chart or use calculations to define the data. I am trying to use the Cooper-Jacob method. I also need to calculate transmissivity and storativity, but am having difficulty choosing the ...
April 7, 2016

Math/Stats
The average monthly attendance to the senior citizen bowling league is 67 with a stdev of 6.5. What is the probability that a randomly selected day will see between 72 and 78 visitors?
April 6, 2016

math
What is the circumference of the circle if the diameter is 63ft. use 3.14 for pie and round to the nearest hundredth.
March 29, 2016

math
Find the circumference of the circle. using 3.14 as pie and round to the nearest hundredth. The diameter is 14.9 in
March 29, 2016

math
find the area and circumference of the circle. Use 3.14 for pie and round to the nearest hundreth
March 29, 2016

Physics
A grain bucket conveyor (grain leg) raises soybeans from the ground level up to the peak of its height, h= 150 ft. A bushel of soybean weight, W=60 lb/bu. The bucket elevator can deliver, Q= 120 bu/min, to the top spout. The motor shaft power to drive the elevator is 40 hp. ...
March 23, 2016

Math
How many arrangements of all the letters in the word WINNIPEG can be created if the N's cannot be together?
March 21, 2016

Math
How many ways can Amanda, Basil, Charles, Denis, and Edna sit in a row if Basil and Edna must sit together?
March 21, 2016

math
What is the area of a regular 30-gon with a radius of 9mm? So far I know my interior angle is 6. That is all I can seem to figure out. Thanks!
March 8, 2016

Physics
A small 0.50 kg object moves on a frictionless horizontal table in a circular path of radius 1.0 m. the angular speed is 5.8 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the circle. Someone under ...
March 6, 2016

Math
(5x^3y/20xy^5)^4 According to my teacher the answer is x^8/256y^16, but I don't understand how to get there.
February 25, 2016

math
A rectangular box of the dimensions 4 x 2 x 2 units is to be tied up with a ribbon lengthwise and breadthwise only once. For the knot, an additional 4 units of ribbon-length is required. What is the number of minimum units of ribbon-length required for this activity ?
February 23, 2016

physics
18
February 22, 2016

geometry
find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second
February 17, 2016

chemistry
potassium chlorate can be thermally decomposed to oxygen and potassium chloride. calculate the mass of potassium chlorate that must be decomposed by heat to produce 10.0L of oxygen gas at 150 degrees celsius and 150 kPa pressure
February 15, 2016

Math
What would I do to find the length?
February 6, 2016

Math
Can someone help or show me how to do this problem? On a scale drawing of a house plan the master bathroom is 1 1/2 inches wide and 2 5/8 inches long. If the scale of the drawing is 3/16 inches=1 foot, what are the actual dimensions of the bathroom?
February 6, 2016

Math
Ms. Sue can you explain or show me how to do this problem: Mr. Cafagna wants a fence around the rectangular field that measures 24 ft by 36 ft. How many yards of fencing does he need?
January 25, 2016

Math
How would one solve for x in the inequality x+b>c?
January 10, 2016

Math
How would one solve for x in the inequality x+b>c?
January 10, 2016

Math
Sarah can type 225 words in five minutes. She then typed 135 words in three minutes. If sarah types for 24 minutes, how many words did she type? A. What is the answer? (I answered 1080) B. Explain what the constant of variation is in the problem. Write an equation for the ...
November 15, 2015

maths 3 advanced
an experimental satelite is placed into a polar ellipical orbit above the earth. both its apogee and perigee are above the equator and the earths centre is the focus of the ellipical orbit. the earths radius is taken ar 6000km. the furthest point of the satellites orbit is ...
October 27, 2015

math
The length of a rectangle is 3 cm less than twice its width. If the length is decreased by 2 cm and the width is decreased by 1 cm, the perimeter will be 24 cm. find the dimensions of the original rectangle. Find X, 'find equation, and find answer plz.
October 21, 2015

math 316
A teacher wants to give 5 prizes to a class 27 students. I low many ways can he do this if all the prizes are the same and students can receive more that one prize? How many ways can he do this if all the prizes are different and students can receive more that one prize? How ...
September 20, 2015

Math
(2x^2)^(3/2)/(2^(1/2))*x^4
September 7, 2015

oblique triangle trigonometry
38776
August 25, 2015

Biology
Why does scenedesmus colony consist of 4,8 or 16 cells?
August 16, 2015

Calculus
My teacher wants me to use this formula for half life question C(t) = Ce^-kt but i used a different formula plz help. the question is: A radioactive isotope has a half life of 30 years. If we started off with 10 mg of this isotope 12 years ago: a) Find and expression for the ...
July 26, 2015

math
sorry I meant this here We'll start really simple, but the next problems will be more challenging. We can get a column of data from a dataframe by typing the name of the dataframe, then the $ symbol, then the name of the column with no spaces in between. First ask what the...
July 25, 2015

math
How many hours of total sleep are there for the first animal in the table? please help me
July 25, 2015

Information Literacy
no I didn't
May 21, 2015

Information Literacy
My resource are Google and textbooks
May 21, 2015

Information Literacy
can you please check this for me Why do we need information? What sources do you already use to obtain personal information? Information is a resource that has varied definitions according to the format, and media used to package or transfer it, as well as the discipline that ...
May 21, 2015

Strategies for the independent learner
huge thanks:)
May 20, 2015

Strategies for the independent learner
1.When you approach a text, you should A. survey it, using the technique called SQ3R. B. dive right in at the first page and read the assigned section. C. skip over words you don’t know. D. read only the boldface type. 7.You might want to review as you exercise because A...
May 20, 2015

Strategies for the independent learner
I appreciate that
May 20, 2015

Strategies for the independent learner
1.When you approach a text, you should A. survey it, using the technique called SQ3R. B. dive right in at the first page and read the assigned section. C. skip over words you don’t know. D. read only the boldface type. 2.The proctored exams for your degree courses are A. ...
May 20, 2015

math
there are 3 pizzas .each child will get 1/4 of a pizza.how many children will get pizza?
May 12, 2015

Math
Bob has designed a rectangular storage unit to hold large factory equipment. His scale model has dimensions 1 m by 2 m by 4 m. By what amount should he increase each dimension to produce an actual storage unit that is 9 times the volume of his scale model?
April 6, 2015

chemistry
Thanks this answer is absolutely correct
March 24, 2015

alg. Compounding periods.
60 months in 5 years?
March 12, 2015

alg. Compounding periods.
a loan requires that the 4% interest be compounded monthly for 5 years. find the number of compounding periods. 48 60 10 20 ________________________________________ Yolanda deposited $11,000 in a savings account that earns 3.5% onterest compounding daily. Find the compound ...
March 12, 2015

social studies 8th
The answer to 1 is d, checks and balances are measures that keep all branches of the government equal in power bu giving each branch to overturn some decisions.
March 11, 2015

math
i dont know
March 10, 2015

Chemistry
Consider the titration of 30.0 mL of 0.100 M NH3 with 0.150 M HCl. calculate the pH after the following volumes of titrant have been added:(a) 0mL (b) 10.0 mL (c) 19.5 mL (d) 20.0 mL (e) 20.5 mL (f) 30 mL
March 4, 2015

Calc
Find the area in the first quadrant bounded by the curve y=(9-x)^1/2 and the x- and y-axis.
March 1, 2015

Calc
Find the area in the first quadrant bounded by the curve y=(9-x)^1/2 and the x- and y-axis.
March 1, 2015

Further Maths
uniform ladder of length 5m and weight 80 newtons stands on rough level ground and rests in equilibrium against a smooth horizontal rail which is fixed 4m vertically above the ground. If the inclination of the ladder to the vertical is x, where tan x is less than 3/4, find ...
February 27, 2015

Math
an airport mixes and additive into its jet fuel. The ration of fuel to additive needs to be kept the same. Complete the table below for amount of additive required for different amounts of fuel fuel (kg) 63 84 98 add 9(g) 30 42 48
February 26, 2015

Math/ Compouded semiannually ?'s
Jessica plans to purchase a car in one year at a cost of $30,000. How much should be invested in an account paying 10% compounded semiannually to have the funds needed. a. $27,210.90 b. $3,512.06 c. $24,793.50 d. $27,272.70 The Lee family plans to buy a new house in 2 years ...
February 24, 2015

math
35. Aaron wants to find an function that relates the price of a pizza to its size. He knows that this function need s to be non- linear. Which function below should he use? A. y=4piex B. y=pie(x-3) C. y=pie(x-3)^2 D. y=pie(x-3)^2+3(x+7)
February 17, 2015

math
21.Faith solves the equation 3(7x+4)=21x+4. How many solutions does she find? A. Infinitely many solutions B. 2 solutions C. 1 solution D. 0 solutions
February 15, 2015

Algebra
What is an expression that could be put in the blank so that the inequality would have the same solution set as shown in the graph? -4 < ______ < 16 The graph is is a numberline shaded between -4 and 6, with an open circle on -4 and open circle on 6.
January 27, 2015

Math-please help
One concert ticket is $5 and the other is $9. There are 500 seats. My expenses are estimated at $4000. Determine equations for income, profit, and expenses if all 500 seats are filled. Are my equations- expenses:y=400 income:4x+2500 profit:y=4x-1500
January 21, 2015

Math!
On the train we had 41 different kinds of cookies. 3 different flavors of cocoa, and 122 candies. How many treats did we have in all?
December 21, 2014

Math
Determine which of the following is true for the function X^3+5x^2-8x+3 f(x) has a relative minimum at x = 2/3. f(x) has a relative maximum at x = 2/3 f(x) has a zero at x = 2/3 Both A and C are true. <----- Both B and C are true.
December 21, 2014

Math
Isaac gets paid $400.00 per week plus a commission $10.00 for every item he sells. Write the equation that shows the relationship between the number of items he sells and his weekly income.
December 10, 2014

Math
How many 3 digit numbers can you find whose digits have a sum of 4. 112 211 103 301 310 013 031 202 220 022 400
December 8, 2014

Math word problem
Jeremy has 19 coins of 2 different values. the total value of the coins is $1.00. What are the coins? How many of each coin does he have?
December 7, 2014

Physics
A person pushes on a doorknob with a force of 5N. The direction of the force is at an angle of 20 degrees from the perpendicular to the surface of the door. The doorknob is located .800m from axis of the hinges of the door. The door begins to rotate with an angular ...
November 23, 2014

physics
A clock has a second hand whose tip rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the second hand is 0.0010 N and the length of the hand is 6.5 cm, what is the minimum torque that must be applied to the second hand ...
November 21, 2014

physics
A 30-caliber rifle with a mass of 2.80 kg fires a 9.84- g bullet with a speed of 726 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet?
November 21, 2014

Math
What is 3.9 x 4.67 equal to?
November 12, 2014

Physics
Two objects are moving in the xy-plane. No external forces are acting on the objects. Object A has a mass of 3.2 kg and has a velocity of Va= (2.3 m/s)i + (4.2m/s)j and object B has a mass of 2.9 kg and has a velocity of Vb= (-1.8m/s)i + (2.7m/s)j. Some time later, object A is...
November 12, 2014

Physics
A mass of 2.0kg traveling at 3.0 m/s along a horizontal plane hits a relaxed spring 20cm away from it. The coefficient of kinetic friction is 0.3. The mass is slowed to zero velocity when the spring has been compressed. By how much the spring has been compressed, the spring ...
November 9, 2014

Physics
A mass of 2.0kg traveling at 3.0 m/s along a horizontal plane hits a relaxed spring 20cm away from it. The coefficient of kinetic friction is 0.3. The mass is slowed to zero velocity when the spring has been compressed. By how much the spring has been compressed, the spring ...
November 5, 2014

Chemistry
A concentration cell consists of two Sn/Sn2+ half-cells. The cell has a potential of 0.12V at 25 ∘C. What is the ratio of the Sn2+ concentrations in the two half-cells?
November 3, 2014

English
adjective
November 3, 2014

Chemistry
Hello. On the homework for my middle school chemistry class, one of the questions asks me to identify "the four classifications of substances". I am having difficulties with this problem.
October 28, 2014

Math
If the average cost per salaried employee increases by $4,000 in the Kitchen Department, what is the new average cost per employee in the department? (more info: Salaried Employees: Average # of employees: 2 Cost in Thousands: 52 Average Cost/Employee: 26 Hourly: Average # of...
October 27, 2014

math
Manuel says that you can use of the denominators of 5/6 and 11/30 when renaming these fractions using a common denominator. Why is the true?
October 21, 2014

Math
estimate the area of the rectangles 5 7/9 by 3 1/5 7 7/8 by 1 1/3 Estimate each product. 3/8 X 4
October 16, 2014

Math
A rancher with 750ft of fencing wants to enclose a large rectangle area and then divide it into four equal-sized pens to hold animals. If the maximum area is desired to ensure humane treatment of the anima, what should be the dimensions of the larger rectangle. What should be ...
October 12, 2014

Financial Mathematics
The Z Corporation needs $180,000 in 60 months. If they deposit $2,000 per month for the first 20 months, $2,500 for the next 20 months, and $2,000 + R for the last 20 months, what is R if they can invest at 7%(12)?
October 2, 2014

Language arts
At the end of her aunts story in the story teller the older girl asked whether the girl in the story would have been rescued even if she had not been good. what does she seem to think is the theme of her aunts story
September 26, 2014

Social Studies (SS)
What was the relationship between the popularity of rice in Europe and slavery in the Southern colonies?
September 18, 2014

physics
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 57.3° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 21.5 m away. By how much does the rocket clear the top of the wall?
September 14, 2014

Science
Thank You so much DrBob222!
September 8, 2014

Science
Does Earth rotate or orbit each day?
September 8, 2014

Math7
12
September 8, 2014

AP Physics
A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 m long. The bowler hears the sound of the ball hitting the pins 2.90 s after the ball is released from his hands. What is the speed of the ball? The speed of sound is 340 m/s. Answer ...
September 5, 2014

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