# Mathematics

• ## Differentiate - Help01-22

So in some tasks, I can not continue, can someone please help vll something to me? If these tasks make me problems: f (x) = ln (x + 1 / x-1) ^ 2 f '(x) =? f (x) = 1 4e ^ / x f '(x) =? f (t) = cos (t / 2) f '(t) =? y = '= sin (root of x) y? Please hel

• ## calculate threshold S and proportionality C: Restricted Growth01-16

Hello community, and although I have to the following task is simply no solution. There is a table where the years 0,1,2,3,4 and including a number (growth of the animal population) B (0) = 8000 B (1) = 6000 B (2) = 5000 B (3) = 4500 B (4) = 4250 (I

• ## Why does the area doubled the parallelogram if one doubles the base side?12-23

--answer-- Adjusting the surface area formula and sit for the basic page 2 * base side a ... If you have twice the length that is the Area = (length + length) * width = length * width + length * width To ask? :)

• ## [Algebra] Problem with Math12-17

Hi everyone ;-)! I have an equation that should I solve, but do not get ahead. It is: -0.2x + E ^ (- 0.1x) = - 2.6543 x ≈14,45 I have already tried themselves: Many thanks for your help ;-) --answer-- Can it be that you have learned numerical methods

Tags: Math, Mathematics
• ## Ask the inclined throw!12-06

why is the angle when inclined throw a maximum of 45 degrees --answer-- This is not quite true! The "crooked" Throw delivers results in principle at all angles. If we assume the horizontal 0 degrees results in the following results. > 0 to &l

• ## Need Hifle with the LaGrange sentence07-17

Can someone help me please? I'm in the task not: / Joschka makes a vacation in Venice. He is assisted by payment of travel expenses for 150 euros. The price of a meal (good 1) averages p1 = 10 euros a night in the hostel (well 2) costs him p2 = 20 Eu

• ## rauskriegen percentage04-01

Hi Guys! I'm not the best at math and I do not understand it - no, this here has nothing to do with making homework - equal very much in advance. I would like to know how to write correctly (be). I have 99.9% of x. In order to have 100%, me 0.1% or 0

• ## Physics Doppler Effect11-15

Hello, I have to figure out a math example the speed of the moving body approaches a stationary sound source. If this formula because correct? v = ((Fs x (1 + c)) / Fb where Fs is the stationary sound source and Fb of the moving observer. Thank you,

Tags: Physics, Mathematics
• ## bijective function C- C: follow - rows10-01

Hiho, I have a math problem, which I just do not get. Let F denote the set of consequences and R the set of rows in | C One should now prove that the mapping: = aj -> sum (aj); So the added followers to jth member, a Bijective figure is. In addition,

• ## as if we include a break as a number12-13

breaking --answer-- The fraction line is nothing but a divided character. you as the fraction 3/4, so then you reckon 1: 4 = 0.25 now you take the 0.25 times the 3! Is it that hard? By you ausrechnest fraction normally. 1/2 = 0.5 as an example Agent

Tags: Math, Mathematics
• ## limit contemplation as why?09-21

Hi folks, I have the following function: (3x ^ 2-5) ^ - 2 The derivatives etc I can make easily, as well as the extreme and inflection points. But how do I make the observation limit ?? and what do I find as a result? Do I have ein'fach for x tends t

Tags: Math, Mathematics
• ## Write tomorrow Math sample need urgent help! (Diamond, trapezoidal, etc)08-29

Hey people I write tomorrow as I said math and need help for example, constructed as one: diamond, parallelogram kite-and so how one constructs a Lot cases, a vertical and parallel? With geodreick or circle does not matter but without Thales-circle a

• ## How to distinguish pay irrational rational?08-26

Help I do not understand! --answer-- Rational numbers can be represented as a fraction thus eg: 2 -5; 3.56 or 9.77777777777777777777777777777 (periodic numbers can be represented as 99tel the fold). Irrational numbers are infinite and non-periodic (c

Tags: Math, Mathematics
• ## math adventskalender - formulas wanted03-16

Huhu. I want to tinker a adventskalender for a pal. but on the doors I would not pay to write 1 to 24 but forneln where x = 1; x = 2; x = 3; etc comes out. like also formulas that must be derived only. For each formula, I am grateful. --answer-- For

• ## Fear no acceptance to high school03-16

Hello, I'm a comprehensive school in the 7th grade and would like after the summer holidays (27.6) change to high school. but I'm afraid that they do not accept that I'm a transfer student recently voted on a new comprehensive school and therefore no

• ## About a meteorology Example03-16

I have tomorrow my first big exam and was now expecting a few more examples, but haperts a bit. I'd appreciate your help very much. After the first cold snap in November is built on the 1000m² Schlossteich a thin layer of ice. Unfortunately it starts

Tags: Mathematics, meteorology
• ## What one should be able to be a programmer at Google?03-16

My biggest wish is to become a programmer at Google. In what must be good? I'm really good at math and love math also but what man does everything except mathematics and what exactly in mathematics? What do they pay the most? what you have to study?

• ## Can I study in math Jura despite major weaknesses?03-16

--answer-- I myself have successfully studied law and have managed only a tight quad in Math Abi. This is not a problem. However, the study of law is very demanding and very intense learning. Since you have "get stuck", because without honors th

• ## How can I here by superposition set the idle voltage on resistance r2 (upper center) Calculate? Voltage divider, but how? yes Are 3 stitches. Thank you :)?03-16

--answer-- ① If you U₂ and U₃ shorts is to U₁ the series circuit of R₁ and R₂ІІR₄ and R₃IIR₅ wherein eg R₃IIR₅ the parallel circuit of R₃ and R₅ represents the resistance R₃ ∙ R₅ / (R₃ + R₅). Total resistance is therefore R = R₁ + + R₂ІІR₄ R₃IIR₅ and

• ## motion task mathematics oberstufe03-16

Mathematics - motion Task The task is: A shark and tuna swim in the open sea. The shark swims in the direction u = (6 8 0) with a speed of 40 km / h. At time t = 0 it is at the point A (-10 / 5 / -20). The tuna is in position B (9/27 / -10) and half