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Questions and answers by visitors named
ash
Questions (229)
An author is having a book signing at a store. She agrees to give 30% of the profit to literacy programs and 25% of the profit
4 answers
923 views
a school playground is in the shape of a rectangle 700 feet long and 200 feet wide. if fencing cost 20 dollars per yards what
4 answers
4,650 views
a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h?
please show steps to
4 answers
1,083 views
a ribbon is 7/9 of a yd long.divided by 3 people, what length will ea get?
5 answers
1,066 views
A rifle bullet (mass = 1.50 g) is moving with a velocity of 850. mph. What is the wavelength associated with this bullet?
Assume
3 answers
455 views
how do u do this type of problem...
What is the frequency of a photon with a wavelength of 2.25 102 nm? (The speed of light in a
1 answer
833 views
hi i am looking for geologically relevant song lyrics or poetry published after 1990. i realllly need to find this any help i
1 answer
690 views
hi i am looking for geologically relevant song lyrics or poetry published after 1990. The stuff cant be writen by a geologist
1 answer
351 views
can you please check my answers and help me with one question?
During a lie dector test, a voltage of 6 V is impressed across two
2 answers
571 views
can you please check my answers and help me with one question?
During a lie dector test, a voltage of 6 V is impressed across two
2 answers
1,203 views
what are the cell builders
1 answer
307 views
similarities+differences between a light microscope and a electron microscope?
3 answers
465 views
HELP! (UNGERT)due next week tue 11 dec :what the similarities+differences between a light microscope and a electron microscope?
1 answer
471 views
12 ln x=44
4 answers
513 views
a car travels in a straight line for 3 h at a constant speed of 53 km/h. what is the acceraleration? answer in units of m/s2.
1 answer
322 views
2=n-(2n+3)
1 answer
263 views
I am trying to plan a lesson about negative prefixes for 5th graders and can't find any good websites to help me. I was hoping
3 answers
930 views
by the 1770s, the biggest increase in foreign trade was with
2 answers
541 views
After 1700, Spain
a) began losing chunks of her empire to britian b)recovered the late 17th century crisis and held on to her
1 answer
379 views
the french goverment tried to improve living standards for the rural poor by
a)paying a stipend to poor families b)encouraginf
3 answers
421 views
find the value of x and bc if b is between c and d
cb=4x-9 bd=3x+5 cd=17
1 answer
460 views
(48)with the exponent of 1/2
1 answer
386 views
(-8)the exponent is -1/3
1 answer
342 views
what is the sum of e or 1n
1 answer
259 views
how many grams of solid NaOH are required to prepare 200 ml of a .05 M solution?
3 answers
606 views
how many milliliters of 5M NaCl are required to prepare 1500 ml of .002M solution?
4 answers
3,489 views
If you were a teacher, and these numbers represented your students' scores on a test, would the median or mean give a better
2 answers
996 views
Does any one know how to find the mean of a normal gaussian distribution just by looking at the graph??
1 answer
322 views
What is wrong with the following statement: “In our study, people with bipolar disorder who underwent therapy in addition to
2 answers
770 views
A researcher reports that "Students were randomly assignment to intervention or a control group; the two groups did not differ
2 answers
504 views
If we are told that statistical significance has been achieved, what does that allow us to infer?
A. That the differences seen in
1 answer
363 views
A researcher reports that "Students were randomly assignment to intervention or a control group; the two groups did not differ
2 answers
506 views
A quantity of 16.13 mL of a KOH solution is needed to neutralize 0.4883 g of KHP. What is the concentration (in molarity) of the
2 answers
510 views
A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression,
1 answer
457 views
A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated
1 answer
505 views
The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs
1 answer
591 views
In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native
1 answer
485 views
A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression,
1 answer
427 views
A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated
1 answer
426 views
The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs
1 answer
411 views
In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native
2 answers
613 views
If 60.0 mL of 0.150 M CaCl2 is added to 50.0 mL of 0.100 M AgNO3, what is the mass in grams of AgCl precipitate?
3 answers
1,162 views
Would this correctly result in random assignment?
1. A researcher assigns students to one of three conditions based on the month
3 answers
506 views
Would this correctly result in random assignment?
A researcher assigns students to one of three conditions based on the month of
3 answers
460 views
do you know some plants in the tundra?
1 answer
293 views
There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental
1 answer
419 views
There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental
1 answer
363 views
There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental
1 answer
442 views
There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental
2 answers
851 views
Does anyone know how to find the variance or something if only the correlation of something is given and the other way around??
1 answer
322 views
resaerch pictures in books and magasines showing other methods of disposal of fullness
3 answers
1,027 views
I was wondering where i could find some information or articles about people with opinions about :
whether there should be a
2 answers
523 views
the difference among members of the constitutional convention were settled by
a duels b compromises c boycotts d all of the above
1 answer
464 views
26 protons and 24 electrons. write the symbol of ions
5 answers
6,371 views
Over a period of 9.0 seconds a plane changes its velocity from 29.5 m/s to 45.7 m/s. What is its uniform acceleration?
----------
1 answer
330 views
A tailback initially running at a velocity of 6.7 m/s becomes very tired and slows down at a uniform rate of 0.68 m/s2. How fast
1 answer
509 views
A tailback initially running at a velocity of 6.6 m/s becomes very tired and slows down at a uniform rate of 0.55 m/s2. How fast
2 answers
826 views
A train with a velocity of 45.1 m/s must come to an emergency stop in 10.6 s. How far did it travel during this time?
i tried to
1 answer
466 views
for x is an element of [-11,11]the function defined by f(x)=x^7(x+3)^6. where does the function achieve its minimum?
1 answer
332 views
what formula should i use to solve this quadratic formula?
2x2 + 4x + 2 = 0.
4 answers
1,177 views
Is the following true or false? The actual size of a measurement multiplied by a conversion factor remains the same, because the
1 answer
470 views
whats 1/8 of $84.00
1 answer
317 views
During a particular thunderstorm, the electric potential difference between a cloud and the ground is Vcloud - Vground = 1.3 ×
2 answers
1,154 views
Defendant A was suspected of selling stolen property from his dorm room. An undercover campus police officer knocked on
3 answers
820 views
Defendant A was suspected of selling stolen property from his dorm room. An undercover campus police officer knocked on
3 answers
742 views
you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14%
1 answer
411 views
you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14%
3 answers
513 views
A store sells televisions for $360 and video cassette recorders for $270. at the beginning of the week its entire stock is worth
3 answers
4,041 views
i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i
2 answers
715 views
i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i
2 answers
1,028 views
what is random sampling and why is it important to statistical inference with reference to representativeness and error?
1 answer
378 views
what is sampling distribution and sampling distribution of means?
1 answer
283 views
what is meant by the standard error of a statistic? what is it an index of? what is meant by the standard error of the mean?
1 answer
332 views
hi, how would i calculate the standard deviation of the following sampling distribution of means. apparently this is the
2 answers
574 views
hi i need help calculating the standard error using the central limit theorem.
*a population of scores contains exactly 5 scores
2 answers
573 views
hi i need help calculating the standard error using the central limit theorem.
*a population of scores contains exactly 5 scores
2 answers
560 views
find the area of a square ABCD 16 square meter.find the area of the area joining mid points of the side
2 answers
540 views
solve: 2cosx-1=0
1 answer
322 views
solve log(b4)x-log(b4)2=2
(b4)=base 4
1 answer
280 views
A coach with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move
3 answers
640 views
Someone attaches a 27 kg bale of hay to one end of a rope passing over a frictionless pulley connected to a beam in a hay barn.
5 answers
3,646 views
A couch with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move
4 answers
1,139 views
what is average for the following numbers 65 49 24 15
1 answer
265 views
what was the first hr on the titanic atmoshere like
3 answers
357 views
at the end of every 3 months, Rita deposits $100 into an account that pays 5% compounded quarterly. After 5 yrs, she puts the
4 answers
3,795 views
you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14%
1 answer
432 views
write the constraints as linear inequalities and identify all variables used.
A canoe requires 8 hours of fabrication and a
3 answers
2,787 views
Santa Fe Company purchased merchandise for resale from Mesa COmpany with an invoice price of $24,000 and credit terms of
2 answers
1,135 views
solve this linear programming problem;
A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours
3 answers
1,153 views
solve this linear programming problem;
A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours
4 answers
2,952 views
find the average rate of change
f(x)=x^2 + 2x between x=0 and x=6 can anyone please help me explain why the answer is 8? thank
6 answers
479 views
CheckPoint: Calculating Fixed Costs, Variable Costs, and Break-Even Point for a Program
• Calculate the fixed cost, variable
1 answer
432 views
use the product rule to find the derivatives of the given function
y=(3x^2-8)^2
3 answers
843 views
a class consists of 14 men and 16 women. A group of 5 is randomly chosen
a) the probability of this group containing at least 2
2 answers
731 views
(2x^2+3x-15) divided by (x-3)
1 answer
323 views
A 88-kg astronaut and a 1200-kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite,
3 answers
1,461 views
there are seven pies if i take away 2 1.3 how many are left
1 answer
340 views
The drawing shows a boat being pulled by two locomotives through a canal of length 2.50 km. The tension in each cable is 5.00
4 answers
3,123 views
The sides of a parallelogram are 25 cms and 15 cms.The height to the 25 cms side is 15 cms.What is the speciality of this
1 answer
404 views
cos(15degrees)
this is not plugging it in the calculator, please help me right down steps. i really need help.
1 answer
281 views
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