lena

This page lists questions and answers that were posted by visitors named lena.

Questions

The following questions were asked by visitors named lena.

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 __

In the lab, you're handed a test tube with sodium chloride dissolved in water. You add aqueous barium carbonate to the tube. What are your observations? Thanks

if the planet is really small [compared to others, like Pluto], does that mean it has no gravity? like, would you fly on Pluto because it's gravitational pull isn't as strong?

how does a magnify glass create a virtual image?

what jobs have a starting salary atleast (or around) 50,000 and have a high employment rate. I know nursing is one. Are there others that aren't in the medical field?

In the Handmaid's Tale by Margret Atwood, does the Handmaid system actually repopulate the state?

Solve the following equation: k2 + 4k = 0 By factoring and By using the quadratic formula Can someone please help me to understand how to this problem...I do not understand the steps to get the correct answer. Thanks!!!

is hydrogenated margarine a trans fat? is butter a saturated fat?

why is is "better late than never," rather than "better late then never?"

what features account for carbohydrates high solubility in water?

what is the slope of a line tangent to y=sin^2(5x+pi) at x=pi/4?

what is the slope of the line tangent to the curve y^3+x^2y^2-3x^3=9 at the point (1,2)?

find limit as x goes to infiniti of 8x^4-3x^2+2 over 9x^5+7x^4-3x^2+2

write the possessive nouns that could replace each group of word below

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 1.8x10^-17M and 1.0x10^-3M respectively, in a 1.5 M NH3 solution, calculate the value for the overall formation constant of [Cu...

(a) Cadmium telluride (CdTe) is a semiconductor witha band gap, Eg, of 1.45 eV. Calculate the value of the absorption edge of this material. Express your answer in meters.

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 the lowest possible whole numbers? a= b= c= d=

(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 is 3.83 at 25 ∘C.

OH-OH-benzene ring-CH=CH-NH2 is anyone knows the name of this compound?

if the heights of men follow a normal distribution, and 99.7% fall between 5" and 7" what is the estimate standard deviation of the height?

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 the "iron curtain"?

to what places did wine spread?

where did wine originate?

how did wheat impact the Americas?

which region of the world benefited more from the columbian exchange?

if the diamter of a human hair is (50*10^-6 m) estimate the volume of hair on your head

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)

what are the characteristics of dirt?

Using the quadratic formula; I have to solve 8(a-squared)-a+2=0 a=8, b=-1, c=2

did cells loose their cell wall due to evolution or did they never have a cell wall to begin with? pls explain

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 begin with because all cells come from prokaryotic cells.

how did the cold war influence events in the postwar period I can't find this in my textbook. could someone explain please

what is Family Systems Theory? I can't find a definition that is simple to the point. One that anybody can understand.

Why is it important that we determine if a client’s presenting symptoms are truly mental health related or if they are due to withdrawal from substances?

What is the present tense of Countertransference? It seems Countertransfering is not a word? I am tying to say Jane was Countertransfering her feelings when she said......

Answers

The following answers were posted by visitors named lena.

a line through point(-5,2)and(2,y)has slope of 3.find y

Thanks! This helped a lot :]

I still don't get the than and then difference? :S

okie dokie :) thanks!

ANKUR answer is D

OOOOO SORRY B AND E

something wrong ..

thanks a lotttttttt

a) sp3d2 b)Slightly less than 90∘ 4.13346*10^-7

How did it spread in the periods from 870 B.C.E to about the 18th century, mostly in Greece and Rome

cellular respiration

yup, then solve for x.

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?

$2.15 per page p= number of pages p=28 2.15p= 2.15(28)+cost of supplies supplies= 5 2.15(28)+5=...

it is definitely 2 got 100% on test answer

so what is it?!

False true false

What is an example of a physical and a chemical reaction. Explain in one sentence