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Ella
Questions and answers by visitors named
Ella
Questions (251)
1) Select the correct answer from the list.(1 point)
Evidence must be ____and_____ for it to be considered effective in
34 answers
asked by
Ella
14,588 views
A parabolic arch has a height of 20 m and a width of 36 m at the base. If the vertex of the parabola
is at the top of the arch,
4 answers
5,437 views
Which is the radian measure of an angle whose sine is 0.7?
A. 0.64 B. 0.76 C. 0.78 D. 0.80
7 answers
5,216 views
Imagine a piece of square paper that measures 20 by 20 cm. You can make a box (with no lid) by cutting a square of the same size
4 answers
2,027 views
the integral from 2 to 3 of 1 divided by the quantity 3 times x minus 2, dx is equal to the integral from 4 to 7 of 1 divided by
5 answers
2,250 views
A spring 20cm is stretched to 25cm by load of 50n. What will be it's length when stretched by 100n. Assuming that the elastic
2 answers
139 views
Electricity is all about the electrons, never protons. Why not?
Thanks for ure help. Electrons are free to move. Protons are much
1 answer
442 views
Write an expression in algebra for each of the following:
1. the number of cents in x dimes 2. the difference if four is
1 answer
589 views
how do I solve 4(m+3)-2m=3(m-3)
1 answer
304 views
The electric field between two charged plates is 2000N/C. What is the voltage difference if the plates are separated by a
1 answer
459 views
A 3mf capacitor and a 5mf capacitor are connected in parallel to a 16v battery.
a) What is the equivalent capacitance of the
2 answers
710 views
How do the avalanches of photons in a laser beam differ from the hordes of photons emitted by an incandescent lamp?
1 answer
469 views
Since every object has some temperature, every object rediates energy. Why then, can't we see objects in the dark?
2 answers
875 views
If you see a red-hot star, you can be certain that that its peak intensity is in the ingrared region. Why is this? And if you
3 answers
1,498 views
An electron de-excites from the fourth quantum level, to the third and then directly to the ground state. Two photons are
2 answers
1,184 views
Thank You very much.
1 answer
214 views
do you know any good sites that have polynomial word problems for people in grade 9?
4 answers
435 views
I'm doing a french presentation, and I would like to add some fun/funny facts about the french but I can't seem to find a good
3 answers
592 views
Year - 2000
Nominal GDP: 9,817 Real GDP: ___________ GDP Deflator: 1 Inflation 2.2 Real GDP Per capita: _________ Population
2 answers
960 views
The speedometer of a uniformly accelerating car is read as it crosses each of three equally spaced lines. The reading is 30km/h
1 answer
326 views
A mountaineer estimates the depth of a crevasse by dropping a stone and listening for sound when the stone hits the bottom. The
3 answers
508 views
What is the culture of the PLains Indians?
2 answers
559 views
How did the government limit the movement of native americans?
1 answer
285 views
How did the Dawes Act affect the Native Americans?
4 answers
870 views
Is a prokaryotic cell a plant cell?!?
3 answers
426 views
Do plant cells have cell walls?!?
2 answers
871 views
Do leaf tissues and root tissues look alike? If not why?!?
3 answers
345 views
What are the organizational levels of a bird from smallest to largest?!?
3 answers
422 views
Explain how each of the following cell's structure is related to it's function
Red blood cell- Nerve cel- Musle cell-
1 answer
443 views
What are the differences between the MOnroe Doctrine and the Roosevelt Corollary?!?
3 answers
601 views
I have this test tomorrow and i have yo do this study guide and i don't no two of the questions... they are... what did the
4 answers
606 views
I need to find at least 3 traits that are common to humans... could someone please help?!?
1 answer
362 views
I need to present the most important facts about immigration in the 1920's. i.e. what acts where passed, who was for/against it,
3 answers
488 views
How did John D. Rockefeller contribute to American History? -- a paragraph, please
3 answers
417 views
Is there a certain age you should be when you give thing up for Lent or should you give something up at any age?
4 answers
447 views
Please look over my report and let me know if their are any mistakes and if it is a good one. THanx
Abraham Lincon was born in
5 answers
421 views
Jane Doe does not want her violent boyfriend to know shes getting an abortion. She asks Dr. John to send all communications to
1 answer
446 views
Jane Doe does not want her violent boyfriend to know shes getting an abortion. She asks Dr. John to send all communications to
2 answers
509 views
What is the difference between contributory negligence and comparative negligence?
1 answer
453 views
At what point during the course of treatment of a new patient should notice of use and disclosure of health information,
1 answer
394 views
Judge Jones is hearing a motion to order release of substance abuse records pursuant to a subpoena....Where should the hearing
1 answer
408 views
A doctor applies for medical staff privileges at a hospital. What is the hospital administrator required to do?
4 answers
1,257 views
If a doctors computerized medical records are compromised by a hacker, who is liable?
2 answers
790 views
Are there such things as pink sheep or is there fur dyed pink?
1 answer
286 views
What is the mountain range that stretches across west virginia?
thnx
1 answer
367 views
The U.S. Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. How many liters of
3 answers
631 views
Question: Name 10 Community Things You Can Do To Help The Earth.
I Cant Think of Any!! Help
4 answers
238 views
what is an adjustment letter?
3 answers
401 views
I need help finding a curent event. It has to be a national advancement in medicine that happened anywhere from this past Sunday
3 answers
1,038 views
Solve the IVP
{y'=-(sinx)y + xexp(cosx) y(0) = 1 Please show me step by step. Do I need to find out if this is exact? Do I use an
1 answer
452 views
I am in 6th grade and doing very well so i am not stupid or anything but i don't know if my science fair project is for my grade
5 answers
694 views
When do I capatilize the word aunt?
I think it's: This is my Aunt Marrianne. Is that right or is the a lowercase? Please explain.
1 answer
353 views
i need help finding the similarities & differences between passover and easter.
thnx ella
1 answer
454 views
A.
A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other
2 answers
1,317 views
A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other
4 answers
1,310 views
Verify that the circles x2+y2 = 25 and (x−5)2+(y−10)2 = 50 intersect at
A = (4, 3). Find the size of the acute angle formed
3 answers
1,029 views
Hi. I have to write a speech for student council vice president...this is what i have. tell me what you think!
Hi! I’m Ella and
2 answers
546 views
Factor: X⁸ + 2x©ùy©ù + 9y⁸
1 answer
344 views
Consider the following students method of solving the proportion 8/5 = 20/x and determine whether the methods were correct:
2 answers
1,039 views
Find the standard deviation for the given data. Round your answer to one more decimal place than original data.
2,5,47,11,13,48,3
2 answers
1,182 views
As she flipped through the newspapers, she saw headlines such as "Food shortages hit Mitika," "Hurricane departs coastline," and
3 answers
385 views
The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company
has in manufacturing x item during a month.
6 answers
818 views
Hey!
Okay so when the weather reporters say that ?mm of rain fell over night, they're talking about mm cubed aren't they? So
1 answer
419 views
Stacey throws two dice. The difference in face value between the two dice is three, and the product of the numbers thrown is
2 answers
514 views
what are the factors of 22x^2+66x-220?
1 answer
282 views
Heya
The Cartoon on Getty Images, Cosy Communist circa 1940. I'm trying to find where it was originally published and who
4 answers
495 views
Hi,
Okay, so where can I get other cartoons on Stalin? I was searching like forever to find that one. Thanks for all your help
5 answers
376 views
An electron ps from the 6th to te 3rd energy level in the hydrogen atom:
a) calculate the wavelength b) calculate the frequency
2 answers
564 views
540 kg of dry concrete mixture is to be spread over three surfaces in the ratio equal to that of their areas.If their areas are
1 answer
376 views
what mass of water can be heated from 45 celcius to 88 celcius with 28kj?
1 answer
283 views
what mass of water can be heated from 45 celcius to 88 celcius with 28kj?
2 answers
776 views
Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone
3 answers
467 views
Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone
1 answer
508 views
Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone
4 answers
2,303 views
Krystal grilled 21 burgers at a block party. She grilled the same number of pounds of turkey burgers as hamburgers. Each turkey
1 answer
387 views
Krystal grilled 21 burgers at a block party. She grilled the same number of pounds of turkey burgers as hamburgers. Each turkey
2 answers
613 views
It is possible, although less accurate, to do a standard addition with only one sample. An unknown Fe sample was analyzed by AAS
1 answer
418 views
1.Writers often communicate their themes by building clues into the story. Choose one story from Collection 4 and show how the
3 answers
751 views
I understand what the question is asking for but I do not know exactly how to write it. Here is the question. The way a story is
2 answers
574 views
Write an equation of a line that passes through (-12, -14) with slope 6.
A.y = 6x - 12 B.(y + 14) = 6(x + 12) C.(y + 12) = 14(x +
4 answers
468 views
What is the balanced equation for the reaction of acetylsalicylic acid and sodium hydroxide?
2 answers
502 views
Can someone check these for me?
1.What problem has been at the heart of the intense political struggles in Central America?
2 answers
480 views
What will be the effect on a chromatogram of two well separated peaks if: (this is for a gas chromatography)
a) the carrier gas
1 answer
1,050 views
If the gas chromatograph is polar, and a mixture of a polar compound and a non-polar compound is injected. Which one of the two
1 answer
473 views
What will be the effect on a chromatogram of two well separated peaks if: (this is for a gas chromatography)
a) the carrier gas
1 answer
449 views
I am trying to factor, but I can't seem to get this one. The question is: -15d*2*-2d+8. It is actually -15d squared but I didn't
1 answer
385 views
out of these variables which would and would not follow normal distribution. shoe size
height age GPA model year of car how many
1 answer
448 views
Write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on
4 answers
537 views
example of situation irony in act iii of the crucible
1 answer
298 views
Three point charges, A=2.00 uC, B=7.00 uC, C=-4.00 uC, are located at the corners of an equilateral triangle. a) Find the
2 answers
874 views
A metallic sphere initially has a net charge of +4.0 nC. A negatively-charged rod initially has a net charge
of –6.0 nC. When
4 answers
3,213 views
A positive point charge q = +2.50 nC is located at x = 1.20 m and a negative charge of ƒ{2q = ƒ{5.00 nC is located at the
2 answers
1,333 views
A platinum resistance thermometer has resistances of 200.0 ohms when placed
in a 0 degrees Celsius ice bath and 253.8 ohms when
4 answers
2,468 views
Derive absolute error in equations:
1)Derive absolute error in (e/m) e/m= 2V/B^2*R^2 2)Derive absolute error in B
2 answers
594 views
Which of the following is a characteristic of a traditional economy?
A. It encourages innovation and change. B. It is usually
2 answers
1,153 views
Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate
2 answers
1,293 views
Can someone please help me balance these equations? Thank you for your time!!
1. NO + O2 �¨ NO2 2. NH4Cl + Ca(OH)2 �¨ CaCl2 +
1 answer
365 views
Read the following excerpt from “and sometimes i hear this song in my head.”
"and our tongues keep remembering the rhythm of
3 answers
838 views
What is the median of this set of numbers 85,48,75,36,55
1 answer
341 views
Factorise fully: 5pq + 10p
2 answers
759 views
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