# math + Mathematics

• ## volume, surface, height of a cylinder charge radius and lateral surface are given02-10

Hello first, I have given to the radius of a cylinder, this is 1.5cm. For this, the shell surface is provided with 10 square centimeters. Now I should calculate the surface, the volume and height. What should I do? Would be very happy about the help

• ## My birthday is coming ... math books, any recommendations?03-01

Good evening, dear community, I will in May 17 and since I have no idea what to wish for, I hope this year simply mathematics books. For I have a very great pleasure in mathematics. I already have some knowledge and will occupy the LK in the coming s

• ## Need help with the chain rule03-16

Task: f (x) = sin (a * x) ² with me always comes f '(x) = 2 cos (ax) a out the actual solution in my book is: f' (x) = 2a² x cos (a * x) ² can someone to explain approach and where my me error is? --answer-- Hello, Silencio, as my predecessor has alr

• ## Math sums and differences multiply?!?03-15

Hey, I have a question and although I want my little sister in math help but I get the honestly not even ^^ on the series Will no solutions special explanation! Examples are: 5 (x + 6) =? I'd say here 30, is that correct? and if so how does it look o

• ## Math: linear equations transform HELP03-12

So I've got a such as homework which is: Forme the equation x-2y = -5 to in y = kx + d I simply just need the solution, thank you --answer-- 1) x - 2y = -5 I - x (x must on the other side) 2.) -2y = -x - 5 I: -2 (y must stand alone, ie -2 by - (1) x

• ## why you have to round up percentage rates?03-11

why you have to round up percentage rates? For example, 1 * 6 ~ 0.167 ~ 16.7% --answer-- Round mathematically. About the number of decimal places to which you shall round, will your teacher can provide information. Most will be rounded to two or thre

• ## Can you read the first value of the extreme points and by the intersections?03-10

Hello, I had today in the examination a biquadratic equation. The figures which I write down here now, are just made-up numbers. It's me that is just about the structure of the equation. f (x) = 10x ^ 4 + + 20 5x² So the equation was built, which ind

• ## Mathematics tasks in a PROBE KA03-07

Hello, our math teacher is sick for a few weeks, so that with the beams sets not progressed or not been completed. We write on Thursday a KA (further he can not move it). Well and as would occur Pythagoras and the beam sets. Unfortunately we have rep

• ## As I count on that? (Mathematics)03-06

Hey, I'm here as a diagram in which I calculate the live Born Number of different years muss.Die unit is "Live births per 1000 Einwohner.Wie I reckon that of Example: In 1880, there were 700,000 inhabitants and 15 live births per 1,000 Einwoher .How

• ## How can I break the 12 + / 18 + a cut?03-02

--answer-- Can be shortened to only factors. But sometimes there are needs in formulas. That you can not directly cut, does not signify that you could not edit the fraction. Incidentally, you should parentheses around longer numerator and denominator

• ## calculate population growth03-01

Hello, my school's been a little longer and I'm just not with a bill clear. How many people do you have after 430 years, from 100 people (50 couples) and a Wachtumsrate of 3%? --answer-- Function -----> y = 100 * (1.03) ^ 430 y = 100 * (331136) = 33

• ## How does this vector calculus?02-26

How do I calculate this task? d to be the magnitude of the vector AB>. Calculate each missing coordinates of the points A and B. A (x / x / 2), B (1 / x / 5), d = 5 thank you --answer-- Distance formula; (X-1) ² + (xx) ² + (2-5) ² = dissolve 25 to x.

• ## I still get a 4-?02-22

Omg that interests you probably not but I'm happy no matter: D I had a 6 (in writing) and oral a 4. But am now slipped in math from the 6 on a smooth 5 because I have 3 written in the last math test one. (Now get back) and my class teacher told me th

• ## I need your advice: Create a table of values ​​with the vertex form? or with the general form?02-22

Hi Guys, one last question I have for today .. I want to draw a parabola, but I do not know what function should I use for the table of values, I have the Scheitelpunkftorm indicated and should turn it into the general shape of what I have done. Now

• ## functions higher grades -Help!02-21

X1 = 0 x2 = -1 are the only solutions of a cubic equation enter two possible equations to Kann anyone explain? --answer-- The easiest solution but jump immediately apparent. You either x1 or x2 present twice. You (hopefully) learned that you can writ

• ## Pilots and mathematics / physics02-19

In what scope a pilot requires mathematics and physics? So how areas relate these issues. How exactly is applied in everyday life or is it just important for the training? LG --answer-- Hello, Now, the basics of aerodynamics, ie, knowledge of the fou

• ## Spelling of 2 1/202-18

If I have 2 1/2 are in an equation next to each other, I then pressing them with 2.25 on, or 2 x 1/2, 1? --answer-- 2 * 1/2 is wrong here, because it is the mixed fracture meant and there is always a "+" between what is unfortunately omitted fro

• ## Turning, low-, high-point charge with e-function ner?02-17

Hey guys, can you tell me how to do that because (at the top)? With Calculator or without? f (x) = (x ^ 2-x) * e ^ x Derivative e ^ x * (x ^ 2 + x-1) Derivation e ^ x * (3x + x ^ 2) Derivation e ^ x * (x ^ 2 + 5x + 3) --answer-- For the high or low y

• ## Is there a simple calculation method for powers?02-17

Hi, I write a test tomorrow with the theme "powers"! And well to be honest I can not stop such tasks as "6 High 4" Convert and that's a problem because I do not know whether we can expect potencies with the calculator, so we get to the