Monday
December 5, 2016

# Posts by ray

Total # Posts: 572

math
1/4 mile long and 1/4 mile wide. so he had 16 fields in the beginningng
September 16, 2016

math
suppose the farmer buys another 1/2 square mile of land and divides all his land into square fields 1/4 mile long and 1/4 mile wide. how many fields will he have?
September 16, 2016

algebra
Ms. Kork sold her car for \$8700. This was \$100 more than 2/5 of what she paid for the car originally. How much had ms. Kork paid for the car??
September 15, 2016

algebra
The pressure on a scuba diver at sea level is 14.7 pound psi.The pressure increases 0.0445 psi for each foot of depth. Suppose the diver is 32.5 psi. How deep is he?
September 15, 2016

English
Did Lucy really say I refuse to ride with Tom? Should there be quotation marks before I and after the question mark?
September 8, 2016

algebra
the probability of winning a particular game at the game store is one fourth. fine the odds of winning the game
August 14, 2016

History
What are unintended outcomes of Federal Indian Boarding Schools?
June 8, 2016

Math (Polar to Cartesian Equation)
Convert the given polar equation to a Cartesian equation. r^2=4sec(theta)csc(theta)
June 7, 2016

Any ideas anyone?
June 3, 2016

Math (Parametrics)
I know setting x(t)=cos(t) and y(t)=-sin(t) will make the circle travel clockwise but I'm not sure exactly on how I can make it start at the specific point (0,1)?
June 3, 2016

Math (Parametrics)
Find the parametric equations of a unit circle where you start at point (0,1) at t=0 and you travel clockwise with a period of 2π? x(t)=? y(t)=?
June 3, 2016

Math (Vectors)
In this case, would a=-15 and b=3?
May 26, 2016

Math (Vectors)
Determine the values of a and b in the following vectors for the indicated property. m=<10,a,15> and n=<2,-3,b> and vector m is parallel to vector n. Thanks in advance!
May 26, 2016

Math (Vectors)
Thanks for the help! I wanted to ask how did you know that we're supposed to divide (7.2/5.7) and not the other way around?
May 23, 2016

Math (Vectors)
Consider the vector v=-5.7i-7.2j Approximate to the nearest tenth of degree the angle vector v makes with the positive horizontal direction?
May 23, 2016

Math
A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years the sum of all their ages will be 100 years. How old are the two siblings at present? Please help quick!
May 10, 2016

Chemistry
How many grams of solute are present in 795 ml of 0.130m KBr?
May 4, 2016

LIFE ORIENTATION
The question below is based on the recent corruption activities by our former president Jacob Zuma related to Nkandla. Evaluate the physical, social and economic consequences of this crime to the offender. How did this corruption and fraud impact negatively in the country: for...
April 30, 2016

(Arts/Theater)(Stuck on what to do) Help please?
Thanks for your possible ideas! Maybe drawing might work since that's pretty simple. I'm terrible at drawing but I think I could come up with something with that. Suppose copying a simple drawing would take about 10 minutes.
April 25, 2016

(Arts/Theater)(Stuck on what to do) Help please?
I suppose tying a tie might work. Would that really take 10 minutes to complete that action though? haha
April 25, 2016

(Arts/Theater)(Stuck on what to do) Help please?
My improvisation teacher today told us to bring something with us to class where you can do a physical action with it. This action must be something you can do in barely 10 minutes and must have an actual ending to that action. We're doing this assignment tomorrow and I ...
April 25, 2016

Writing Sentences and Paragraphs
Another edit... Paragraph 1 I am applying for the position of Data Entry in the Archives Department at DC Comics because of the enthusiasm I have for my hobby of collecting and cataloguing comic books. While I was studying as a Library Technician at Fanshawe College, I ...
April 25, 2016

Writing Sentences and Paragraphs
This is my 2nd revision of Paragraph 1 ...any feedback and suggestions would be appreciated. Paragraph 1 The enthusiasm I have for my hobby of collecting and cataloguing comic books is why I am applying for the position of Data Entry at DC Comics. While I was studying as a ...
April 25, 2016

Writing Sentences and Paragraphs
I deleted a couple of things...these are the individual sentences I have so far... The enthusiasm I have for my hobby of collecting and cataloguing comic books is why I am applying for the position of Data Entry at DC Comics. While I was studying as a Library Technician at ...
April 25, 2016

Writing Sentences and Paragraphs
As an individual with experience performing office clerical duties and educated as a Library Technician, I am excited to apply for the position of Data Entry Clerk as advertised on the DC Comics website. I consider that my experience and skills match ver well with your ...
April 25, 2016

Math 142 (Pre-Cal) (Circles)
A wheel has a radius of 10 inches is rotating with an angular velocity of 2.5 revolutions per second. Find the distance the wheel travels in 15 seconds.
April 12, 2016

Math 142 (Pre-Cal) (Circles)
March 31, 2016

Math 142 (Pre-Cal) (Circles)
A wheel spins through 29 revolutions per minute. Find the angular velocity and the linear velocity if the radius of the wheel is 1.8 feet. w=? (rad/min) v=? (feet/min)
March 31, 2016

math
no all of u are wrong i typed in my answer and all the answers u gave me were wrong
March 23, 2016

statistics
Find the following: P(z > 2.43)
March 16, 2016

Statistic
What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this?
March 16, 2016

Statistics
In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 25 patients using the drug is selected. Find the mean and standard deviation of patients having a mild side effect. Mean = np = 25(.2) = 5 Ok Standard ...
March 11, 2016

Math (Pre-Cal)
The number of Sasquatch living in northern Ecotopia t years after 2016 is given by the formula s(t)=3(1.12)^t . Determine how long it will take for the Sasquatch population to double. Do this algebraically?
February 25, 2016

A coconut thrown horizontally at 20 m/s from the top of a hill 63 m high. How far from the base of the hill does the coconut hit the ground? Select one: a. 42 m b. 13 m c. 66 m d. 72 m
February 24, 2016

Math (Pre-Cal) (Exponential Functions)
A car was valued at \$38,000 in the year 2003. The value depreciated to \$11,000 by the year 2009. Assume that the car value continues to drop by the same percentage. -What will the value be in the year 2013?
February 19, 2016

math (pre calc)
Imagine that you are driving 150 miles and you want your average speed for the trip to be 60 miles per hour.Imagine that you drive the first half (by distance) of the trip at 50 mph. How fast must you drive on the second half to make your average speed for the whole trip 60 ...
February 16, 2016

Thanks for replying Steve I just wanted to ask how did you get p(n) = (n - 107/12)/(n - 100/12) after solving for b and c?
February 16, 2016

Chemistry
Consider the thermal decomposition of potassium chlorate. 2 KClO3(s) ---> 2 KCl(s) + 3 O2(g) A mixture containing KCl and KClO3 weighing 1.80 g was heated producing 1.40 x 102 mL of O2 gas at STP. What percent of the original mixture was KClO3?
February 7, 2016

maths
I am a two digit no. If you subtract my second digit from my first digit the difference is 6. (i.e. 9-3= 6 or 8-2=6 or 7-1=6) The product of my digit is 0. What number am I? Could you please answer it as I did not understood the meaning of product of my digits is zero.
January 23, 2016

Chemistry
January 17, 2016

math
A cat can walk 2,190 miles in 2 hours. How can 2,190/2 be written in expanded form? 1) 2,000+100+90/2 2)200+90+1/2 Write it in quotation form.
January 5, 2016

definite integral
approximate the value of the integral by use of the trapezoidal rule. n=8 a=0 b=4 sqrt 16-x^2
December 10, 2015

Math word problem
17 1/9 decreased by what number is 5 2/3? This is the answer I have 11 4/9. Is this correct.
November 21, 2015

chemistry
Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the:
October 1, 2015

english plz plz help
"When greek meets greek" is the story
August 18, 2015

english plz plz help
Which of the following lines of dialogue best reveals Ram's false heritage to the landlord? a. "You look like a man who could tell me the right place to go." b. "I am an Untouchable from the heart of India." c. "Man is forever studying ways and ...
August 18, 2015

Chemistry
How many moles of acetic acid are present in 10.00 mL if the concentration is 0.500M HC2H3O2?
August 12, 2015

drivers ed test
is it the first one?
August 11, 2015

drivers ed test
3. one way the national highway safety act helps drivers nationwide is by providing guidelines for maintenance on national highways requiring that all drivers have a federal drivers license providing drivers with insurance setting graduated drivers license privileges
August 11, 2015

ANIMAL VEGETABLE MIRACLE
What does Kingsolver receive for her birthday? What does she do with it? (106-107) What unusual package does Kingsolver receive at her local post office? (87)
June 6, 2015

math
Jerry is packing cylindrical cans with diameter 6 in. and height 10 in. tightly into a box that measures 3 ft by 2 ft by 1 ft. All rows must contain the same number of cans. The cans can touch each other. He then fills all the empty space in the box with packing foam. How many...
April 14, 2015

criminal justice
I'm looking for this same question...
April 13, 2015

Math - hw check
The admission fee for student is \$8 and the admission fee for Adult is \$15. In one hour, 12 adults and students enter the museum and a Total of \$131 in admission was paid. Write a linear system to model this problem and solve this problem graphically. Check you answer by ...
April 2, 2015

circle and the Pythagorean theorem
tangent PT, QM = 12, M < P = 30°
March 22, 2015

Math
Can someone please help. How log will it take you to save \$100,000 if you start saving 1597 every 3 months starting today? Assume and interest rate of 6% compounded quarterly. Business Calculator py/cy= 4 I=6% fv= 100,000 1597= PMT BGN is on
March 4, 2015

Vocabs
Thank you
February 22, 2015

Vocabs
6. Aunt Lorna (conferred, balked) when the waiter at the seafood restaurant told her that the dinner special- the "cach of the day"- was \$41.00. conferred
February 22, 2015

Vocabs
1. The extra money being raised by the band booster club has been (earmarked, maneuvered) to fund future trips. maneuvered 2. The Labrador retriever received a medal from the fire department for its( valiant, compact) act of saving a drowning man. valiant 3. Whenever I go out ...
February 22, 2015

Vocabs
Is it 4 and 5?
February 22, 2015

Vocabs
1. The extra money being raised by the band booster club has been (earmarked, maneuvered) to fund future trips. maneuvered 2. The Labrador retriever received a medal from the fire department for its( valiant, compact) act of saving a drowning man. valiant 3. Whenever I go out ...
February 22, 2015

Algebra
A car rental agency advertised renting a car for \$24.95 per day and \$0.33 per mile.If David rents this car for 3 days, how many whole miles can he drive on a \$100 budget?
February 19, 2015

Physics- Start off good?
Estimate the moment of inertia of a bicycle wheel 67 cm in diameter. The rim of the tire have a combination mass of 1.1kg. (1.1)(67) = 73.3
February 3, 2015

Calculus,Reaction rates
A man walks across a bridge at the rate of 5 ft/s as a boat passes directly beneath him at 10 ft/s. If the bridge is 10 ft above the boat, how fast are the man and the boat separating 1 second later?
November 30, 2014

algebra
if you deposit \$13,000 per year at 5% interest compounded annually, what will your balance be at the end of the 12th year?
November 22, 2014

science
the relative age of a rock is
November 16, 2014

calcu
(4,-3) is on g For each of the following functions find a point on its graph. Enter exact answers. I cannot find the other three :( a) g(2x) - 5 ,(2,-8) b) 3g(x) + 1 c) -(g(1/3(x+4))-8) d) 1/2g(-5x-15)-8
October 17, 2014

Chemistry
GE's light bulb division ordered 100.kg of tungsten for the filaments. If the tungsten comes in a cube what is the volume of the cube? What is the length of each side?
September 28, 2014

Chemistry
1.630 g of iron ore is dissolved in an acidic solution. This solution is titrated to a pink endpoint with 27.15 mL of a 0.020 M KMnO4 solution. a. How many moles of MnO4- ions were consumed? b. How many moles of Fe2+ were in the iron ore sample? c. What is the percent of iron ...
September 8, 2014

algebra
43 Pictures are taken and ther is 32,680kilobytes of memory still available ,how many more pictures can they take ?
September 8, 2014

arithmetic
Amy is building a house .the basement floor is at -15feet. the roof of the house is above the ground 25 feet. express the comparison of heights as an equality . explain the meaning of the inequality
September 8, 2014

Math
Ray counted a total of 40 white cars and yellow cars. There are 9 times more white cars then yellow cars. How many white cars did Ray count.
September 4, 2014

algebra
can some explain this multiply the first equation by -10 -10x-10y=
August 25, 2014

english
So my answers were correct! It's d,c,d,b you WILL get 100!!
August 15, 2014

prealgebra
a.71 ft
July 31, 2014

if the bare main contact conductors a a hoist are 21 meters long and do not have intermediate supports , the smallest copper wire that may be used for the conductors is
July 8, 2014

math
there are 4 boys at the park. some boys join them. now their 16 kids at park. how many boys joined them?
May 27, 2014

math
Jake and Sara each drive 270 miles to attend a conference. Jake drives at an average speed that is 15 mi/h slower than Sara’s average speed. It takes Jake 1.5 hours longer than Sara to drive the 270 miles. How long does it Jake to make the trip?
May 12, 2014

Science
henry can you explain to me how you got that answer i don't understand?
April 30, 2014

Statistics
Thank you!
April 20, 2014

Statistics
Recently, a university surveyed recent graduates of the English Department for their starting salaries. Four hundred graduates returned the survey. The average salary was \$25,577. The population standard deviation is \$2,566. What is the 95% confidence interval for the mean ...
April 20, 2014

Statistics
Thank you!!
April 20, 2014

Statistics
A survey of an urban university (population of 25,450) showed that 878 of 1,119 students sampled supported a fee increase to fund improvements to the student recreation center. Using the 95% level of confidence, what is the confidence interval for the proportion of students ...
April 20, 2014

Statistics
Thank you!
April 20, 2014

Statistics
Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The results showed that the average tread life was 52,515 miles with a standard deviation of 3,550 miles. What is the best estimate of the average tread life in miles for the ...
April 20, 2014

math
manuel and ruben played dominoes 24 times. Ruben has won 16 times. estimate the odds in favor of Manuel's winning the next match.
April 17, 2014

physics
Is there a way to calculate the moment of inertia of a hanging mass (3.1 kg) without length & width dimensions?
April 1, 2014

man
How to -2x+6y=-26 8x+6y=-1 6using elimination method
March 24, 2014

math
bill and jane are 1080 miles apart. They start driving towards each other at exactly the same time. Bill travels at 70 mph. Jane travels at 65 mph. How long must they drive before they meet?
March 19, 2014

Algebra 2B
1. A 2. D 3. B 4. B Correct answers. Put these in and you will receive full credit.
March 17, 2014

poetry part 2
I think it b It's not c
March 2, 2014

Statistics
The law of large numbers tells us what happens in the long run. Like many games of chance, the numbers racket has outcomes so variable - one three-digit number wins \$600 and all others win nothing - that gamblers never reach "the long run." Even after many bets, ...
February 25, 2014

Statistics
The law of large numbers tells us what happens in the long run. Like many games of chance, the numbers racket has outcomes so variable - one three-digit number wins \$600 and all others win nothing - that gamblers never reach "the long run." Even after many bets, ...
February 25, 2014

Statistics
A class survey in a large class for first-year college students asked, "About how many minutes do you study on a typical weeknight?" The mean response of the 463 students was x = 118 minutes. Suppose that we know that the study time follows a Normal distribution with...
February 25, 2014

physics
A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m. block is slowly displaced horizontally by .10m. find total work done to displace block vertically and horizontally. Then find total work to lift block and move it horizontally.
February 16, 2014

Math
A truck with 40-in.-diameter wheels is traveling at 50 mi/h. a) Find the angular speed of the wheels in rad/min b) How many revolutions per minute do the wheels make?
February 11, 2014

Physics
A trash can with a mass of 5 kg has a coefficient of static friction of μs = 0.80 and a coefficient of kinetic friction of μk = 0.22. (The Active Figure applies to a similar situation, but the values of the mass, coefficient of static friction and coefficient of ...
February 8, 2014

Physics
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. (a)What angle does the ramp make with respect to the horizontal? (b) If the ramp has a length of 6.40 m, how long does it take the puck to reach the bottom? (c) Now suppose the mass of the...
February 6, 2014

Physics
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. What angle does the ramp make with respect to the horizontal? Please show steps...
February 6, 2014

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