em

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

Questions

The following questions were asked by visitors named em.

Hi, could someone please tell me how I would go about working these out: (the answer must be in the form aãb where a and b are integers and b is as small as possible.) 1) Simplify ã500 2) Simplify ã50 x ã60 Also.. Simplify the following fractions so t...

Hi, could someone please tell me how I would go about working these out: (the answer must be in the form a(sqroot)b where a and b are integers and b is as small as possible.) 1) Simplify (sqroot)500 2) Simplify (sqroot)50 x (sqroot)60 Also.. Simplify the...

Simplify 3(x-2)^2/x-2 Is the answer 3x^2-10x+10? If not then what is? When p= sqrt2 and q= sqrt6 write pq in the form a(sqrt)b where a and b are integers and b is as small as possible. Multiply out these brackets. Give your answer in the simplest form. (x...

are these the most electronegative elements in order? F O N Cl Br C S I P H

When Ba(NO3)2 and K2CrO4 (sorry, i don't know how to do subscripts, but all the numbers should be subscripts!) react in aqueous solution, the yellow solid BaCrO4 is formed. Calculate the mass of BaCrO4 that forms when 3.50 x 10^(-3) mol of solid Ba(NO3)2...

Examples of proximate and ultimate causation

what is the derivitave (f prime) of sin(x/2)?

A tennis player places a 55 kg ball machine on a frictionless surface. The machine fires a 0.065 kg tennis ball horizontally with a velocity of 55 m/s toward the north. What is the final velocity of the machine? Enter your answer here: m/s

Starting from rest, a 4.4 kg block slides 3.5 m down a rough 22.3o incline in 2.4 seconds. Determine the energy lost due to friction. (Hint: find the final kinetic energy and subtract that from the work done by gravity.) Enter your answer here: J

You split $1500 between two savings accounts. Account A pays annual 5% interest and Account B pays 4% annual interest. After one year,you have earned a total of $69.50 in interest. How much money did you invest in each account?

Which of the following is a formula for finding the volume of a cube? A. v=e^3, where e= the edge length B. v=(lwh)^3, wherel= length,w=width andh=height C.v=6e^2, where e=the edge length D. v=b*b, where b= the area of the base I picked A since V=s^3 or e...

x^2 - 3x + 5 = 0. solve using quadratic formula. show solution

there are 30 marbles in a bag; 4 blue, 10 red,6 white, 10 yellow. You randomly draw5 marbles without replacement. Find the percent of drawing 2 red marbles and at least 2 white marbles.

How would I calculate blood glucose levels if using standard curve ...and I have three samples and their absorbence at 420 nm.

Calculate glucose levels using standard curve when you have absorbence for sample

two points on the graph of a linear function are (-3,5) and (-1,4). Determine the equation of the function in slop-point form. ans: m=-1/2 I pick a point (-1,4) y-y1=m(x-x1) y-4=-1/2(x-(-1)) y-4=-1/2(x+1) Thank you ^^

any math teachers around?

Find a cubic polynomial such as f(x)=ax^3+bx^2+cx+d that has horizontal tangents at the points (-5,4) and (4,-4)

I did a lab where I had to determine avogadro's number. I need to find the uncertainty in number of moles of stearic acid. There were 3 trials and these are the values for the # of moles of stearic acid used for each trial: 4.39E^-7 4.60E^-7 4.50E^-7 I ju...

In writing and balancing equations using sulfur chemists usually use the empirical formula, S, rather than the molecular formula. Why? I'm not sure how to answer this question.

Find an equation of the tangent line to the graph of y= x+ (4/x) at the point (4,5). I can't figure out the answer to this. It's supposed to be y=3/4x +2 but I can't get that.

need answers fast!!!!!!What impact did norbert Rilliexus invention have on sugar industries?

the flight path of a firework is modelled by the function h(t)=-5(t-5)^2+127

i did my works cited page but my teacher said its partially correct could someone please help me revise it 1888. Wikimedia Commons.English Imperial Octopus. Wikimedia Foundation. Web. “Elisa Greathed: An Account of the Opening of the Indian Mutiny at Meer...

Calculate the volume, in liters, of 5.80×10−3 mol of a gas at 44 ∘C and 0.885 atm .

Find the number of different ways that an instructor can choose 7 students from a class of 35 students for a field trip.

which features formed natural barriers to expansion and invasion for china? select all that apply.

slope = (4-20)/(8-1) = -16/7 I need to plug the slope into y=mx+b with one of the points for x and y and then solve for b.

Which options identify effects of the Columbian Exchange? Select all that apply. Maize brought to the New World was a stable food supply for indigenous peoples. American Indian populations were decimated by European diseases. Enslaved Africans died on voy...

Which text evidence best supports the idea that Squeaky is running for more than just herself? A. I almost stop to watch my brother Raymond on his first run B. the white ribbon is bouncing toward me and I tear past it C. my feet with a mind of their own s...

Scientists discover a new type of algae. It consists of long chains of identical cells. The chains form as cells in the chains divide but do not separate from each other. Which of the following best describes the discovery? A. bacteria B. unicellular spec...

If Randy Pausch, the author of Last Lecture, had written a speech explaining the different treatment options for pancreatic cancer patients to consider, which organizational structure would he most likely have used? A. chronological ordering B. compare an...

SCHULTZ: But Gies clearly was very special, even when someone still unknown betrayed those she called the hiders and they were taken away at gunpoint to death camps. Gies was not intimidated. She sneaked back into the secret hideaway to try to preserve an...

In a group discussion, active listeners A. form their own opinions and responses. B. talk, ready or not, whenever they can jump in. C. start talking as soon as they disagree. D. focus just on their own ideas as others speak.

What is the value of x in the equation 32(4x – 1) – 3x = 54 – (x + 2)?

Answers

The following answers were posted by visitors named em.

i still don't really get it because i have no clue where that equation is coming from. where do you come up with that?

i think i get that. and then should i reduce it to the net ionic? Ba(2+) + CrO4(2-) -> BaCrO4 or should i leave it how it is?

wouldn't the mols of Ba(NO3)2 completely cancel out? and then the equation would just be _mol BaCrO4 = mol BaCrO4, which confuses me. =/ and same with the second equation.

i'm confused because i don't get why the mols wouldn't be the same. the ratio of Ba(NO3)2 to K2CrO4 is 1:1, so if there are 3.50 x 10^(-3) mol of Ba(NO3)2, wouldn't there be 3.50 x 10^(-3) mol of KrCrO4?

the ellipse would be horizontal (since a > b), so the foci would be (h +/- c, k). h is 0 and k is also 0. a is 9 and b is 7. a^2 = b^2 + c^2 81 = 49 + c^2 32 = c^2 4 x the square root of 2 = c so the foci would be (+/- the square root of 2, 0)

haha, okay. well, thank you for your help!

i need a sonnet in iambic pentameter and im sooooooo frustrated. HELP!!!!

its the negative of the .065

so I am wrong, thank you for explaining which it can not be. Thanks

The graph models the situation because when you plug in -40 for x, you get y=14, which is a point on the graph. When you substitute 40 in for x, y=10, which is also plotted on the graph.

i have this aswell... we havent learned about it or anything.. it just says, 'explained the big idea of energy' wtf is this

A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following figure. When the gas undergoes a particular chemical reaction, it absorbs 827 J of heat from its surroundings and has 0.62 kJ of P−V work done on it by it...

would it be 1.05E^-8?

gold is a element like silver, but the difference is that the atoms are completely different because when you see that on a microscope, gold is not going to have the same amount of protons, neutrons and electrons like silver does because they are differen...

lease help idk this answer

idk. lol from 4 years ago

Whatever is still correct!

I just took the quiz and got 100% Answers: 1. D 2. A 3. B 4. A 5. B,F 6. B 7. B,C 8. In order, top to bottom: Huang River, Loess, Agriculture 9. In order, top to bottom (last word): Conquest, States, Weaken, Fail 10. A

shining is right i just got 100%

help please youre wrong, i can send a picture confirming to anyone that wants it. shining is correct. i just took the test.

and i am on connexus. Lesson 5, Unit 6 Proportions Practice.

the first answer is not D it is C i just took the test and got 4/5 other than that the answers are all right do not listen to anonymous

its D A B A C i just did D for #4 and missed it, the correct answer is A for connexus students

what people use the answers for is the answer to that question queen.

lol banned from connexus hunny thats not how it works

sdfhgkdvbdnlf why were u doing ur school work at 2am lmaooo same tho

jeesh this thread is long. anywhos, for Connections Academy, Lesson 9: First Read: A Christmas Carol, Act II, the correct answers are A C A B B.

wait so what is the answer? I put c and it wasnt correct...

oh nvm on a wrong question xd^^

nvm I got my answer it was b and c!!!!

Kay is 100% right for 8th Conexus

bobbb or what ever his name is 100% right

for the second part i got =16 which would be K

Mack is 100% right for Conextus

Answering "But what happened to the (20-2x)?" It would be x < 10. HOWEVER, if x < 10 is substituted to (10-2x), then it would not make sense anymore and it would result in a negative answer. E.g. sub x = 9 (20-2(9))(10-2(9)) = 2*-8 = -16 So this would not...

NOT THE FITNESS GRAM PACER TEST

are his answers right

dang ms.sue lol

itachi is better then sasuke, LMAOOO YOU TOOK TIME OUT OF UR DAY JUST TO TYPE THAT, its so funny

they're definitely not a biochem major either