6 grade math
a manager turns on the restaurants two neon signs at the same time. both signs blink as they are turned on. one sign blinks every 20 seconds and the other blinks every 15 seconds. in how many seconds will they blink together again?
October 13, 2015
1. Which of the following choices best describes the information given in a thesaurus? A. etymologies, or word origins and histories B. synonyms, often suggesting word connotations C. definitions of words with multiple meanings** D. pronunciations and parts of speech of words ...
October 8, 2015
1. Which word most closely means civility? (1 point) respect*** discipline patriotism liberty 2. Civic-mindedness most encourages people to (1 point) speak their minds about issues honestly***. treat other citizens with respect. pay attention to government affairs. study the ...
October 8, 2015
If someone can help me understand this question I'd appreciate it. Solve the following equation. Its a 3x3 matrix that = x^2 first row is 0 0 -1, second row 3 x 0, 2 0 3. Im not quite sure how to find x so i can figure out what x^2 is.
August 17, 2015
Im having troubles with this question if u can explain it ill appreciate it. 1)Suppose a contest offers $1,000 to the person who can guess the winning four digit number.How many possibilities are there?
August 14, 2015
Im doing the conic section in algebra and cant figure out how to determine the extent of the graph. Which the graph equation is x^2/16-y^2/25=1 can you please help me this is the only thing i dont understand how to figure it out.
May 20, 2015
A variable is normally distributed with mean 68 and standard deviation 10. Find: a) The value that 85% of all possible values of the variable exceed. b) The two values that divide the area under the corresponding normal curve into a middle area of 0.90 and two outside areas of...
April 13, 2015
The distribution of weekly salaries at a large company is reverse J-shaped with a mean of $1000 and a standard deviation of $370. What is the probability that the sampling error made in estimating the mean weekly salary for all employees of the company by the mean of a random ...
April 13, 2015
Assume you have a rocket that requires a change in velocity of DeltaV=9.6km/s . There are two options for the propulsion system --- 1. chemical and 2. electric --- each with a different specific impulse. Using the setting of g0 =9.81m/s^2 to calculate the propellant fraction ...
March 12, 2015
Assume you have a rocket that requires a change in velocity of ¦¤V¡Ö9.6km/s . There are two options for the propulsion system --- 1. chemical and 2. electric --- each with a different specific impulse. Using the setting of g 0 =9.81m/s^2 to calculate ...
March 12, 2015
1) What is the purpose of computer simulations? A. to provide virtual hands-on experience when actual hands-on experience is not possible*** B. to provide an online version of a printed text C. to provide clip art about the subject being studied D. to provide a real life hands...
February 24, 2015
Which was expected of women in the early nineteenth century? (Points : 2) working to own property obeying their husbands teaching their daughters reading and math helping their husbands make economically sound decisions Is it b?
December 1, 2014
How had the American electorate changed by the election of 1828? Thanks to the suffragette movement, women in some states were eligible to vote. With landholding requirements still in place, fewer men were eligible to vote. With landholding requirements eliminated, most white ...
November 18, 2014
Create the flowchart and algorithm for a module that will prompt the user to enter the amount of cash they have in their pocket. The program should output Not Enough ($0 - $0.64), Vending Machine ($0.65 - $1.99), Fast Food ($2.00 - $4.99...
October 27, 2014
How would various company objectives affect the development of a marketing mix for a new type of internet browser software? If this company were just being formed by a former programmer with limited financial resources, list the objectives the programmer might have. then ...
February 18, 2014
How would various company objectives affect the development of a marketing mix for a new type of internet browser software? If this company were just being formed by a former programmer with limited financial resources, list the objectives the programmer might have. Then ...
February 17, 2014
Rotation is 3000 rev per min. F=1/T or T=1/F F is measured in rev per second. F=3000/60=50 T=1/50=0.02s S to MS is x1000 so 0.02s => 20ms Hence, it is appropriate to use 10ms/cm for a clear display of pulse.
January 30, 2014
Microorganisms develop resistance to antimicrobial drugs in a number of ways, EXCEPT A. Producing an enzyme that deactivates the antimicrobial drug B. Changing the cellular permeability to prevent the drug from entering the cell C. Interfering with the cell wall synthesis of ...
January 18, 2014
Which of the following statements is most closely associated with Einstein's general theory of relativity? The gravitational constant has the same value everywhere. Mass is equivalent to weight. Being in an accelerated frame is indistinguishable from experiencing gravity. ...
January 15, 2014
Psych T/F Questions
1. Some hearing losses experienced by middle-aged adults are due to exposure to noise? True 2. A combination of progesterone and estrogen (HRT) is commonly used to treat immune system disorders? False 3. Men experience the same sudden downward shift in reproductive ability as ...
November 4, 2013
Suppose we want to model the number of rats captured in a single trap in a day, where the average number caught is 5 (i.e. X ∼ Poi(5)). (a) What is the probability of catching 6 rats in one trap in a day? (b) What is the probability of catching 12 rats in 2 traps in a ...
September 30, 2013
In step 4 of the construction of a perpendicular line through a point, why must the compass point be placed on the points where the arc intersects with the original line? How would the construction be different if the compass point were placed at random points on the original ...
June 26, 2013
Circle the most appropriate description. 27.A city planning commitee surveys 100 people waiting at a bus stop about the expansion of the public transportation system. Random Sample,systematic sample,self-selected sample, convenience sample, bipartisan sample,stratified random...
May 20, 2013
For each event,circle the most appropriate term. 21. Six friends go to a movie.How many ways can they sit in a row of six seats? counting principle,combination,factorial, or permutation
May 15, 2013
Sodium metal reacts violently with water to form NaOH and release hydrogen gas. Suppose that 3.00 g of Na reacts completely with 3.00 L of water and the final volume of the system is 3 L. What is the molarity M of the NaOH Solution formed by the reaction?
May 1, 2013
Calculate the temperature at which it is thermodynamically possible for C (s) to reduce iron(III) oxide by the reaction: 2Fe2O3 (s) + 3 C (s) ---> 4Fe (s) + 3CO2 I don't need a specific answer, but I'm not sure how to approach the problem. I'm assuming it has to...
February 28, 2013
Solutions are made that contain 0.1 moles of each of the following compounds below in 100g of H20. Choose the compound whose solution will have the lowest freezing point? NaBr CO2 KClO3 MgCl2 MgSO4
January 13, 2013
Christopher orders a 3 topping pizza for $15.25 and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain pizza( no toppings) and the cost of each topping.
November 14, 2012