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lena
Questions and answers by visitors named
lena
Questions (44)
slope
(-3,3),(1,3) well 1st here is the forumla y2-y1/x2-x1 then 3-(-3)=-6 then -3-1=-4 slope=-6/-4 0 _ -2 __
1 answer
276 views
In the lab, you're handed a test tube with sodium chloride dissolved in water. You add aqueous barium carbonate to the tube.
1 answer
459 views
7x+11y=-5
3 answers
430 views
if the planet is really small [compared to others, like Pluto], does that mean it has no gravity? like, would you fly on Pluto
4 answers
618 views
how does a magnify glass create a virtual image?
2 answers
619 views
what jobs have a starting salary atleast (or around) 50,000 and have a high employment rate.
I know nursing is one. Are there
5 answers
428 views
In the Handmaid's Tale by Margret Atwood, does the Handmaid system actually repopulate the state?
1 answer
723 views
Solve the following equation:
k2 + 4k = 0 By factoring and By using the quadratic formula Can someone please help me to
2 answers
833 views
is hydrogenated margarine a trans fat?
is butter a saturated fat?
1 answer
428 views
why is is "better late than never," rather than "better late then never?"
7 answers
292 views
what features account for carbohydrates high solubility in water?
2 answers
683 views
explain who you could show five less than a number using an expression
1 answer
320 views
explain how you could show five less than a number using an expression
1 answer
349 views
what is the slope of a line tangent to y=sin^2(5x+pi) at x=pi/4?
5 answers
989 views
what is the slope of the line tangent to the curve y^3+x^2y^2-3x^3=9 at the point (1,2)?
3 answers
1,273 views
find limit as x goes to infiniti of 8x^4-3x^2+2 over 9x^5+7x^4-3x^2+2
1 answer
293 views
sam has a savings amount that increased in value over a twelve month period from $8765.00 to $9006. he made no deposits or with
1 answer
369 views
write the possessive nouns that could replace each group of word below
4 answers
1,161 views
in the presence of NH3, Cu+2 forms the complex ion [Cu(NH3)4]+2. If the equilibrium concentrations of Cu+2 and [Cu(NH3)4]+2 are
3 answers
1,546 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the
4 answers
521 views
Show that a conventional x-ray generator is incapable of generating x-rays of wavelength as low as 10-11m. Do this by
4 answers
395 views
(a) Cadmium telluride (CdTe) is a semiconductor witha band gap, Eg, of 1.45 eV. Calculate the value of the absorption edge of
1 answer
455 views
what are the values of a,b,c and d in the balanced chemical equation
aFe^2+(aq)+bAl(s)=cFe(s)+dAl^3+(aq) where a,b,c and d are
1 answer
403 views
(c) What is the value of the degree of polymerization n of isotactic PB with a molecular weight of 3.091×105 g/mol?
1 answer
353 views
(c) Calculate the degree of polymerization n of polystyrene with a molecular weight of 3.091×106 g/mol.
2 answers
555 views
(a) What is the pH of 50 mL of a 0.2M glycolic acid aqueous solution after adding 5 mL of 0.25 M KOH? The pKa of glycolic acis
1 answer
443 views
OH-OH-benzene ring-CH=CH-NH2
is anyone knows the name of this compound?
1 answer
385 views
if the heights of men follow a normal distribution, and 99.7% fall between 5" and 7" what is the estimate standard deviation of
4 answers
2,380 views
1. How does the story of Coca-Cola relate to the rise of capitalism and entrepreneurship in the 19th and early 20th c?
2. what is
4 answers
1,146 views
to what places did wine spread?
5 answers
310 views
where did wine originate?
3 answers
350 views
how did wheat impact the Americas?
1 answer
401 views
which region of the world benefited more from the columbian exchange?
4 answers
486 views
if the diamter of a human hair is (50*10^-6 m) estimate the volume of hair on your head
1 answer
355 views
1.What kind of information is indicated by the graph of the acceleration due to gravity versus ball¡¯s mass if the slope of
4 answers
1,041 views
Elliot put 7 cups of tea into the pitcher shown. How many more cups of tea does he need to fill the pitcher? (1 quart = 4 cups)
25 answers
2,467 views
what are the characteristics of dirt?
1 answer
307 views
Using the quadratic formula; I have to solve
8(a-squared)-a+2=0 a=8, b=-1, c=2
1 answer
360 views
did cells loose their cell wall due to evolution or did they never have a cell wall to begin with? pls explain
3 answers
472 views
would you consider that eukaryotic cells got rid of their cell wall to benefit as a heterotroph?
They must of had a cell wall to
1 answer
383 views
how did the cold war influence events in the postwar period
I can't find this in my textbook. could someone explain please
1 answer
463 views
what is Family Systems Theory? I can't find a definition that is simple to the point. One that anybody can understand.
3 answers
259 views
Why is it important that we determine if a client’s presenting symptoms are truly mental health related or if they are due to
3 answers
298 views
What is the present tense of Countertransference? It seems Countertransfering is not a word?
I am tying to say Jane was
3 answers
246 views
Answers (31)
What is an example of a physical and a chemical reaction. Explain in one sentence
Thank you!
im in 7th
False true false
so what is it?!
it is definitely 2 got 100% on test answer
$2.15 per page p= number of pages p=28 2.15p= 2.15(28)+cost of supplies supplies= 5 2.15(28)+5=...
I appreciate your response. According to what is said on the link provided, would you consider that eukaryotic cells got rid of their cell wall to benefit as a heterotroph?
yup, then solve for x.
cellular respiration
(110)
225
so Asia?
How did it spread in the periods from 870 B.C.E to about the 18th century, mostly in Greece and Rome
OOOOO SORRY B AND E
ANKUR answer is D
a) sp3d2 b)Slightly less than 90∘ 4.13346*10^-7
not right
what about a?
thanks a lotttttttt
something wrong ..
2 and 4
is a right
thanks ur kind
thank you
okie dokie :) thanks!
I still don't get the than and then difference? :S
Thanks :D
Thanks! This helped a lot :]
a line through point(-5,2)and(2,y)has slope of 3.find y
