Tomas
Most popular questions and responses by Tomas
Physics
M, a solid cylinder (M=2.35 kg, R=0.111 m) pivots on a thin, fixed, frictionless bearing. A string wrapped around the cylinder pulls downward with a force F which equals the weight of a 0.750 kg mass, i.e., F = 7.357 N. 1)Calculate the angular acceleration
asked on February 11, 2014 
math help
The total saving in purchasing 30 13cent lollipops for a class party at a reduced rate of $1.38 per dozen is: (A) $0.35 (B) $0.38 (C) $0.40 (D) $0.45 (E) $0.50 (F) $0.55 not just answer
asked on August 8, 2013 
math
A gear with 60 teeth is meshed to a gear with 40 teeth. If the larger gear revolves at 20 revolutions per minute, how many revolutions does the smaller gear make in a minute? not just an answer please (A)13 1/3 (B)3 (C)300 (D)120 (E)30
asked on August 14, 2013 
math help
Find the average of the first 14 positive odd integers.
asked on August 14, 2013 
Physics
Stephanie serves a volleyball from a height of 0.78 m and gives it a initial velocity of +6.6 m/s straight up. (1): How high will the volleyball go? The acceleration of gravity is 9.81 m/s^2. (2): How long will it take the ball to reach its maximum height?
asked on September 15, 2014 
math help
A gear with 20 teeth revolving at 200 revolutions per minute is meshed with a second gear turning at 250 revolutions per minute. How many teeth does this gear have ?
asked on August 15, 2013 
math
Two boys weighing 60 pounds and 80 pounds balance a seesaw. How many feet from the fulcrum must the heavier boy sit if the lighter boy is 8 feet from the fulcrum ?
asked on August 15, 2013 
matth
A couple plans to save for their child's college education. What principal must be deposited by the parents when their child is born in order to have $42,000 when the child reaches the age of 18? Assume the money earns 7% interest, compounded quarterly.
asked on December 5, 2018 
math help
A Certain type of board is sold only in length of multiples of 2 feet from 6 ft to 24 ft. A builder needs a large quantity of this type of board in 5 1/2 foot lengths for minimum waste. The lengths in feet to be ordered should be (A) 6 (B) 12 (C) 16 (D) 18
asked on August 8, 2013 
math
an isosceles triangle has a vertex at the origin. Determine the area of the largest such triangle that is bound by the function x squared + 6y = 48 and explain why this is infact the maximum area.
asked on March 13, 2011 
math
There are x students in Mrs. Schwartz's thirdgrade class. One less than half the students have blue eyes. Six fewer children have green eyes than have blue eyes. The rest of the students have brown eyes. How many students have brown eyes? a. 7 b. 8 c.
asked on November 14, 2013 
Physics
A thin uniform rod has mass M = 0.5 kg and length L= 0.49 m. It has a pivot at one end and is at rest on a compressed spring as shown in (A). The rod is released from an angle θ1= 55.0o, and moves through its horizontal position at (B) and up to (C) where
asked on February 11, 2014 
math help
The average of 2P, 3Q, and another number is S. Represent the third number in terms of P,Q,and S. A. S2P3Q B. S2P+3Q C. 3S2P+3Q D. 3S2P3Q E. S+2P3Q not just answer,please
asked on August 14, 2013 
Chemistry
Write the cell notation for the reaction below. Show your work. Cu+2(aq) + 2Ag(s) + 2Cl(aq) > Cu(s) + 2AgCl(s)
asked on December 1, 2010 
Physics Multiple choice!!
What is indicated by a smooth, upward curving line on a graph? a.) A linear relationship between x and y b) A inverse relationship betweeen x and y c.) A direct relationship between y and with the square of x d.) No relationship between x and y is
asked on January 7, 2008 
math
1. What is the greatest common factor of: 2x2x5x7x7 2x5x5x7x7 a. 2x5 b. 2x5x7 c. 2x5x7x7 d. 2x2x5x5x7x7 e. 2x2x2x5x5x5x7x7x7x7 2. What is the least common multiple of: 3x3x5x5x5x7 2x3x5x5x7x7 a. 2 b. 5x5x7 c. 3x3x5x5x5x7 d. 2x3x3x5x5x5x7x7 e.
asked on October 6, 2013 
math help
If 3ab=6, what is the value of a in terms of b? a. 2 b. 2/b c. 2b^2 d. 2b e. 2b^2 My answer is d, but not sure, anyone can tell me right or wrong? 3ab=6 3a=6b a=2b
asked on November 3, 2013 
math
4xy(1/2y+3/2x)= ? a. 2x + 6y b. 2x + 12y c. 4x + 6y d. 4x + 12y e. 4x  12y please answer and explain
asked on September 26, 2013 
chem
N2H4 is decomposed in a closed container according to this reaction: N2H4 → N2 + 2H2 . If the temperature is constant and the initial pressure of N2H4 is 800mm, what will the pressure in millimeters be after the decomposition to N2 + 2H2? Im having
asked on May 1, 2017 
math
17. Burger King's DriveThrough: Suppose that cars arrive at Burger King's drivethrough at the rate of 20 cars every hour between 12:00 noon and 1:00 PM. A random sample of 40 onehour time periods between 12:00 noon and 1:00 P.M. is selected and has 22.1
asked on March 10, 2012 
math
a woman wants to construct a box whose base length is twice the base width. The material to build the top and bottom is $ 9/m ( squared) and the material to build the sides is $6m/ ( squared). If the woman wants the box to have a volume of 70 m cubed,
asked on March 13, 2011 
math
Jennifer is setting the dinner table. She needs to set the table for 4 people, and each person needs to have an identical place setting to the other 3. She has 6 red place mats,6 green place mats, and 8 blue place mats as well as 4 maroon napkins, 3 orange
asked on November 22, 2013 
maths
How much money is saved by buying an article priced at $80 with a 40% discount,rather than buying an article marked at $90 with discounts of 35% and 10% ? A. $ 4.65 B. $1.50 C. $10.50 D. $3.15 E. $4.25 not just answer
asked on August 15, 2013 
math
Which of the following is equivalent to the inequality 7>3x>12? a. 7
asked on November 8, 2013 
maths
A baseball team won 50 of the first 92 games played in a season. If the season consists of 152 games, how many more game must the team win to finish the season winning 62 1/2% of games played?
asked on August 15, 2013 
math
how many girls are there girls drink 4 cups e/a of water 7 cups are consume by the boys e/a and coach drinks 9 cups of water with a total of 43 cups consume how many girls are in the team
asked on February 15, 2012 
trig
verifying a solution. 4cos^2 2x2=0
asked on May 31, 2011 
math
Scott, Mike, and Holly shared an order of French fries. Scott ate x fries. Mike ate one more than twice the amount of fries that Scott ate. Holly ate 5 fewer fries than Scott did. If there were 6 fries left, how many fries were in the order? a. x5 b. x c.
asked on November 14, 2013 
maths
The enrollment of Kennedy High School dropped from 1200 to 1000 over a threeyear period. What the percent of decrease during this time? A. 20 B 16 2/3 C. 25 D. 200 E. 2 My answer is 12001000=200 200/1200= 1/6 ( some wrong )
asked on August 15, 2013 
maths
A pulley revolving at 200 revolutions per minute has a diameter of 15 inches. It is belted to a second pulley which revolves at 150 revolutions per minute. Find the diameter, in inches, of the second pulley. not just answer, please
asked on August 15, 2013 
math
There are fewer than 33 eggs in a basket. If they are counted out 6 at a time, there are 4 left over. If they are counted out 5 at a time, there are 3 left. How many eggs are in the basket? not just an answer
asked on August 14, 2013 
math help
In an audience of adults and children, 1/6 of the audience are young boys and 1/3 are young girls. What percentage of the audience are children ? (A) 66 2/3 (B) 50 (C) 40 (D) 37 1/2 (E) 33 1/3 not just answer
asked on August 8, 2013 
math
A television set listed at $160 is offered at a 12 1/2% discount during a store wide sale. If an additional 3% is allowed on the net price for payment in cash, how much can Josh save by buying this set during the sale for cash ?
asked on August 15, 2013 
math
A relay with n laps was run by 4 people. The first runner ran half the laps. The second runner ran half the amount of laps the first runner ran. The third runner ran half the amount of laps the second runner ran. The remaining laps were completed by the
asked on November 14, 2013 
chemistry
calculate final volume required to reach 1% solution when 0.2g of sample is predigested with nitric acid 3mL then after 1day, if 1ml sample from this solution is digested in 10ml solution and diluted in 50 mL distilled water.
asked on March 20, 2011 
math
Stacey is x years old. Ali is four years less than three times Stacey's age. Carli is 10 years more than twice Ali's age. What is the age difference between Stacey and Carli? a. 2x+6 b. 3x4 c. 3x+6 d. 5x+2 e. 6x+2 please answer and explain
asked on October 24, 2013 
math
(3x / x) ( 2x / 6) =
asked on September 27, 2013 
math help
How many 5digit odd numbers can be made using the digits 3, 5, 6, 7 and 9, if digits cannot be repeated?
asked on August 13, 2013 
Math
What is the verbal expression of 2(n6)?
asked on December 13, 2012 
help???
i was wondering if this was cheating by having others look and help us with the work?
asked on March 9, 2010 
Algebra
Maria worked 15 more overtime hours than Jordan one week. If Maria worked 8 overtime hours for every 5 overtime hours that Jordan worked, for how many hours of overtime did each person work?
asked on December 5, 2015 
math help
If x people working together make a total of y dollars after an hour of work, how much money will z people make if they work 4 hours at the same rate per person ? a. 4xyz b. xy + 4z c. 4yz/x d. 4xy/z e. xyz/4 please answer and explain
asked on October 18, 2013 
math
(x^2 + x) / x3x (4) = ? Please answer and explain
asked on September 28, 2013 
maths
At Baker High, 3 out of every 4 graduates go on to college . Of these 2 out of every 3 graduate from college. What percent of students graduating from Baker High will graduate from college ?
asked on August 15, 2013 
math help
How many different two digit numbers can be formed using each of the digits 3, 5, and 7 only once ?
asked on August 13, 2013 
physics
Two blocks are connected by strings and hung from the ceiling as shown. Tension T1 is 187 N and tension T2 is 78 N. Find the mass of each block.
asked on November 1, 2012 
chemestry
Which element of group 3A behave as a nonmetal or semimetal?
asked on April 22, 2008 
Math
What does one more than a multiple of 3 mean?
asked on February 3, 2018 
math
If m#= m/m^2m ,what is the value of 6#[(5)#]? a. 1/30 b. 1/20 c. 1/4 d. 11/30 e. 9/20 please answer and explain
asked on November 15, 2013 
math
A bag contains x marbles. Half of the marbles are blue. Four less than the number of blue marbles are red. The remaining marbles are purple. What is the probability of choosing a purple marble at random? a. 2 b. 4 c. 1/2(x/24)/x d. x/24 e. x/2 please
asked on October 25, 2013 
math
If n is an integer, which of the following must be odd? a. 3n5 b. 3n+4 c. 4n+10 d. 4n5 e. 5n+7 please answer and explain
asked on October 18, 2013 
math help
5x+10y +15z15x+10y5z+5x10y5z / (5x+10y+15z)(15x+10y5z)+(5x10y5z) a. 1/3 b. 1 c. x+2y+z / x2y+3z d. x2yz / x+2y3z e. x2yz / x+2y+z my answer is none of above, is  1/3, I didn't know I done it wrong or the question is not correct
asked on September 29, 2013 
math help
(2np.3r/4r)(2np3n)=? a. 1/2np+3n b. 1/2np3n c. np/2r+3n d. 1/2np+3n e. 1/2np3n Please answer and explan
asked on September 29, 2013 
math
y+y^2+(y+y)^2= ? a. y^2 + 5y b. 2y^2 + y c. 3y^2 + y d. 5y^2 + y e. 4y^4 + y^2 + y please answer and explain
asked on September 26, 2013 
math help
If m/n = 5/6, then what is 3m + 2n ? (A) 0 (B) 2 (C) 7 (D) 10 (E) it cannot be determined from the information given not just answer
asked on August 8, 2013 
math help
S is the sum of n integers and A is their average. Which of the following statements is correct? (A) S=A+n (B) S=nA (C) A=nS (D) N=AS (E) None of these
asked on August 7, 2013 
math
x is a positive integer and x5 is negative. what is the greatest possibel value of x ?
asked on August 7, 2013 
Biology
Muscle are made up of muscle functions called____ ____. Its two words... I was thinking myosin and actin , however, not sure if i AM CORRECT.
asked on March 7, 2013 
math
If x=(2/y^2)+2,what is the value of y in terms of x ? please answer and explain
asked on November 24, 2013 
math
If #(a,b,c,d)means you subract the absolute value of d from the sum of a,b,and c,then #(2,5,6,10)+#(1,2,3,7)= a. 2 b. 4 c. 16 d. 22 e. 36 please answer and explain
asked on November 15, 2013 
math
The notation ##(a,b,c)produces a number that is a less than the product of b and c raised to the a power. When ##(2,5,x)=23, what is the value of x? a. 0 b. 1/2 c. 1 d. 2 e. 5 please answer and explain
asked on November 8, 2013 
math
The number a is a number less than 3. What is the range of possibl values of 1/a^2 ? a. 1/a^2
asked on November 8, 2013 
math
(x^2 + x) / x3x . 4 =
asked on September 27, 2013 
math
last question 1/2[4x+6x(2+2x)]= ?
asked on September 26, 2013 
math
The raisins in a bag weigh 9/16 of pound. If the raisins are divided into 6 equal shares, how much will 4 shares weigh? not just the answer
asked on August 14, 2013 
maths
The price of mangoes ranges from 25 cents to 75 cents a piece. What is the greatest number of mangoes that can be bought with $3 ?
asked on August 7, 2013 
maths
x exceeds y by the same amount that 7 exceeds 2. If y is 16, what is the value of x ? (A) 18 (B) 19 (C) 20 (D) 21 (E) 23 [ not only answer ]
asked on August 7, 2013 
Math
How would you find the value of m in this problem? 4m + 2 = 2 + 4m Well, I brought the 2 over to the right side by subtracting. That left me with 4m = 4 + 4m. Then, I subtracted the 4m from the right and did to the other side to get 0 = 4. Is there no
asked on October 26, 2008 
math
When y is divided by 6, the remainder is 4. What will be the remainder if y6 is divided by 3 ? a. 0 b. 1 c. 2 d. 3 e. 4 my answer is b. 1 , but teacher give me the answer is d. 3 , I don't understand, anyone can explain
asked on October 24, 2013 
math
Which set of numbers has a greatest common factor of 1 ? a. 2,3,and 6 b. 2,200, and 400 c. 3,9,and 27 d. 22,33,and 99 e. 100,500, and 2,500 please answer and explain
asked on October 6, 2013

Geography (Ms. Sue)
This is a crazy question cause that’s not make scene hoe
posted on March 7, 2018 
active & passive voice
he opened the cellophane eagerly
posted on February 14, 2018 
chemistry
P H2 = 1.23atm P He = 6.163atm P total = 7.39atm
posted on December 5, 2016 
Algebra
Thank you soo much!
posted on December 5, 2015 
Chemistry
How do we construct an ICE chart for the concns of the dissociated ions to form a precipitate so we can calculate the final concns of ions in solution?
posted on September 10, 2015 
Math
It is equivalent
posted on August 31, 2015 
math
make a tally chart for the number of students in the third,fourth,and fifth grade classes:26,25,27,27,26,28,27
posted on September 9, 2014 
Math
47.11
posted on April 10, 2014 
Physics
I really appreciate all your help, if I said anything that made it sounds disrespectful I am deeply apologizing.. Thank you very much for all your help.
posted on February 11, 2014 
Physics
the first one I know, can you help me with the others?..
posted on February 11, 2014 
Physics
can you help me without the pic? please?..
posted on February 11, 2014 
math
I like your answer and explain . step by step, now I understand how to do that.thank you, Jai
posted on November 24, 2013 
math
a. 9 b. 12 c.102 d. 46,080 e. 138,240
posted on November 22, 2013 
math help
3ab=6 ab =2 a =2/b answer b
posted on November 3, 2013 
math
so, the teacher give me the wrong answer? my answer is right
posted on October 24, 2013 
math
Y is divided by 6, the remainder is 4, so I think 6x6+4=40 , so y=40 406/3 =34/3 remainder=1
posted on October 24, 2013 
math
d, right
posted on October 19, 2013 
math
I understand so, #2 how to multiple of both numbers
posted on October 6, 2013 
math
#1 how to divide both mumbers
posted on October 6, 2013 
math
wrong, the answer is a
posted on October 6, 2013 
math
The answer is d, right ?
posted on October 6, 2013 
math help
thank you
posted on September 29, 2013 
math
(x^2 + x) / 4(x3x)
posted on September 28, 2013 
math
(x^2 + x) / x3x .4=? mean x 4
posted on September 28, 2013 
math
thank you, Reiny
posted on September 26, 2013 
math
= 1/2 (4x +12x +12x^2) = 1/2 ( 16x + 12x^2 ) = 8x + 6x^2 is it correct answer ?
posted on September 26, 2013 
math
thank you, Reiny
posted on September 26, 2013 
math
yes,4xy(1/(2y) + 3/(2x) ) thank you
posted on September 26, 2013 
maths
my answer is A
posted on August 15, 2013 
maths
oh, I get it now, thank you
posted on August 15, 2013