Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
9601	Convertir en pourcentage	2/13	$\frac{2}{13}$ $\frac{2}{13}$
9602	Convertir en pourcentage	2^-6	$2^{- 6}$ $2^{- 6}$
9603	Convertir en pourcentage	228/100	$\frac{228}{100}$ $\frac{228}{100}$
9604	Convertir en pourcentage	28/100	$\frac{28}{100}$ $\frac{28}{100}$
9605	Convertir en pourcentage	5400/15504	$\frac{5400}{15504}$ $\frac{5400}{15504}$
9606	Convertir en pourcentage	6/12	$\frac{6}{12}$ $\frac{6}{12}$
9607	Convertir en pourcentage	6/5	$\frac{6}{5}$ $\frac{6}{5}$
9608	Convertir en pourcentage	600/145	$\frac{600}{145}$ $\frac{600}{145}$
9609	Convertir en pourcentage	713.23/14000	$\frac{713.23}{14000}$ $\frac{713.23}{14000}$
9610	Convertir en pourcentage	73/400	$\frac{73}{400}$ $\frac{73}{400}$
9611	Convertir en pourcentage	8/15	$\frac{8}{15}$ $\frac{8}{15}$
9612	Convertir en pourcentage	0.0040960	$0.004096$ $0.004096$
9613	Convertir en pourcentage	0.092025	$0.092025$ $0.092025$
9614	Convertir en pourcentage	0.10050251256	$0.10050251$ $0.10050251$
9615	Convertir en pourcentage	0.5178	$0.5178$ $0.5178$
9616	Convertir en pourcentage	0.8	$0.8$ $0.8$
9617	Convertir en pourcentage	1.85	$1.85$ $1.85$
9618	Convertir en pourcentage	1.96	$1.96$ $1.96$
9619	Convertir en pourcentage	2.0832	$2.0832$ $2.0832$
9620	Convertir en pourcentage	3 88/105	$3 \frac{88}{105}$ $3 \frac{88}{105}$
9621	Convertir en pourcentage	2.616	$2.616$ $2.616$
9622	Convertir en pourcentage	2164	$2164$ $2164$
9623	Convertir en pourcentage	0.1047	$0.1047$ $0.1047$
9624	Convertir en pourcentage	12/3	$\frac{12}{3}$ $\frac{12}{3}$
9625	Convertir en pourcentage	293/360	$\frac{293}{360}$ $\frac{293}{360}$
9626	Resolva para p	240000=(p((1+0.035/12)^36-1))/(0.035/12)	$240000 = \frac{p ({(1 + \frac{0.035}{12})}^{36} - 1)}{\frac{0.035}{12}}$ $240000 = \frac{p ({(1 + \frac{0.035}{12})}^{36} - 1)}{\frac{0.035}{12}}$
9627	Convertir en pourcentage	0.46	$0.46$ $0.46$
9628	Convertir en pourcentage	15.5	$15.5$ $15.5$
9629	Convertir en pourcentage	-2.35	$- 2.35$ $- 2.35$
9630	Prouver qu'une racine est dans l'intervalle	(0,0) , r=2	$(0, 0)$ $(0, 0)$ , $r = 2$ $r = 2$
9631	Déterminer si la fonction est propre ou impropre	f(x)=(x^3-7x+1)/(8x-9)	$f (x) = \frac{x^{3} - 7 x + 1}{8 x - 9}$ $f (x) = \frac{x^{3} - 7 x + 1}{8 x - 9}$
9632	Déterminer si la fonction est propre ou impropre	f(x)=((2)(1- logarithme népérien de x))/(x^2)	$f (x) = \frac{(2) (1 - ln (x))}{x^{2}}$ $f (x) = \frac{(2) (1 - \ln (x))}{x^{2}}$
9633	Déterminer si la fonction est propre ou impropre	f(x)=(2x)/(x^2-4)	$f (x) = \frac{2 x}{x^{2} - 4}$ $f (x) = \frac{2 x}{x^{2} - 4}$
9634	Déterminer si la fonction est propre ou impropre	f(x)=3^x	$f (x) = 3^{x}$ $f (x) = 3^{x}$
9635	Déterminer si la fonction est propre ou impropre	f(x)=-8/(x^2-9)	$f (x) = \frac{- 8}{x^{2} - 9}$ $f (x) = \frac{- 8}{x^{2} - 9}$
9636	Déterminer si la fonction est propre ou impropre	f(x)=x^2-x+100	$f (x) = x^{2} - x + 100$ $f (x) = x^{2} - x + 100$
9637	Déterminer si la fonction est propre ou impropre	f(x)=3x^2-5	$f (x) = 3 x^{2} - 5$ $f (x) = 3 x^{2} - 5$
9638	Déterminer si la fonction est propre ou impropre	F(X)=-7X^2+9X+1	$F (X) = - 7 X^{2} + 9 X + 1$ $F (X) = - 7 X^{2} + 9 X + 1$
9639	Encontre P(A\|B) e P(B\|A) para Eventos Independentes	P(A)=0.2 , P(B)=0.3	$P (A) = 0.2$ $P (A) = 0.2$ , $P (B) = 0.3$ $P (B) = 0.3$
9640	Encontre P(A\|B) e P(B\|A) para Eventos Independentes	P(A)=0.4 , P(B)=0.55	$P (A) = 0.4$ $P (A) = 0.4$ , $P (B) = 0.55$ $P (B) = 0.55$
9641	Encontre P(A\|B) e P(B\|A) para Eventos Independentes	P(A)=0.4 , P(B)=0.6	$P (A) = 0.4$ $P (A) = 0.4$ , $P (B) = 0.6$ $P (B) = 0.6$
9642	Encontre P(A\|B) e P(B\|A) para Eventos Independentes	P(A)=0.5 , P(B)=0.12	$P (A) = 0.5$ $P (A) = 0.5$ , $P (B) = 0.12$ $P (B) = 0.12$
9643	Encontre P(A\|B) e P(B\|A) para Eventos Independentes	P(A)=0.6 , P(B)=0.5 , P(AandB)=0.2	$P (A) = 0.6$ $P (A) = 0.6$ , $P (B) = 0.5$ $P (B) = 0.5$ , $P (A a n d B) = 0.2$ $P (A a n d B) = 0.2$
9644	Determine se A e B são Eventos Mutuamente Exclusivos	P(A)=0.13 , P(B)=0.43 , P(AorB)=0.3	$P (A) = 0.13$ $P (A) = 0.13$ , $P (B) = 0.43$ $P (B) = 0.43$ , $P (A o r B) = 0.3$ $P (A o r B) = 0.3$
9645	Determine se A e B são Eventos Mutuamente Exclusivos	P(A)=0.64 , P(B)=0.22 , P(AorB)=0.99	$P (A) = 0.64$ $P (A) = 0.64$ , $P (B) = 0.22$ $P (B) = 0.22$ , $P (A o r B) = 0.99$ $P (A o r B) = 0.99$
9646	Determine se A e B são Eventos Mutuamente Exclusivos	P(B)=0.2 , P(A)=0.13 , P(AorB)=0.33	$P (B) = 0.2$ $P (B) = 0.2$ , $P (A) = 0.13$ $P (A) = 0.13$ , $P (A o r B) = 0.33$ $P (A o r B) = 0.33$
9647	Encontre P(A∩B) para os Eventos não Mutuamente Exclusivos A e B	P(A)=0.15 , P(B)=0.30 , P(AorB)=0.20	$P (A) = 0.15$ $P (A) = 0.15$ , $P (B) = 0.3$ $P (B) = 0.3$ , $P (A o r B) = 0.2$ $P (A o r B) = 0.2$
9648	Encontre P(A∩B) para os Eventos não Mutuamente Exclusivos A e B	P(A)=0.40 , P(B)=0.30 , P(AorB)=0.20	$P (A) = 0.4$ $P (A) = 0.4$ , $P (B) = 0.3$ $P (B) = 0.3$ , $P (A o r B) = 0.2$ $P (A o r B) = 0.2$
9649	Resolva para x	10x-7y=15	$10 x - 7 y = 15$ $10 x - 7 y = 15$
9650	Resolva para A	A(2)=100(3)^(-0.5*2)	$A (2) = 100 {(3)}^{- 0.5 \cdot 2}$ $A (2) = 100 {(3)}^{- 0.5 \cdot 2}$
9651	Convertir en pourcentage	1.30799^(1/24)	${1.30799}^{\frac{1}{24}}$ ${1.30799}^{\frac{1}{24}}$
9652	Trouver les dimensions	[[4,9,-49,37],[3,2,-13,4],[1,1,-6,3]]	$⎡ ⎢ ⎣ \begin{matrix} 4 & 9 & - 49 & 37 3 & 2 & - 13 & 4 1 & 1 & - 6 & 3 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 4 & 9 & - 49 & 37 \\ 3 & 2 & - 13 & 4 \\ 1 & 1 & - 6 & 3 \end{array}]$
9653	Trouver les dimensions	[[5,-2],[0,3]]	$[\begin{matrix} 5 & - 2 0 & 3 \end{matrix}]$ $[\begin{array}{c} 5 & - 2 \\ 0 & 3 \end{array}]$
9654	Trouver les dimensions	[[7,0,0,42],[0,2,0,5],[0,0,4,5]]	$⎡ ⎢ ⎣ \begin{matrix} 7 & 0 & 0 & 42 0 & 2 & 0 & 5 0 & 0 & 4 & 5 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 7 & 0 & 0 & 42 \\ 0 & 2 & 0 & 5 \\ 0 & 0 & 4 & 5 \end{array}]$
9655	Encontre @PROBABILITY1 para os Eventos Independentes A e B	P(A)=0.05 , P(B)=0.8	$P (A) = 0.05$ $P (A) = 0.05$ , $P (B) = 0.8$ $P (B) = 0.8$
9656	Encontre @PROBABILITY1 para os Eventos Independentes A e B	P(A)=0.6 , P(B)=0.1	$P (A) = 0.6$ $P (A) = 0.6$ , $P (B) = 0.1$ $P (B) = 0.1$
9657	Encontre @PROBABILITY1 para os Eventos Independentes A e B	P(A)=0.9 , P(B)=0.3	$P (A) = 0.9$ $P (A) = 0.9$ , $P (B) = 0.3$ $P (B) = 0.3$
9658	Encontre @PROBABILITY1 para os Eventos Independentes A e B	P(A)=0.9 , P(B)=0.8	$P (A) = 0.9$ $P (A) = 0.9$ , $P (B) = 0.8$ $P (B) = 0.8$
9659	Encontre @PROBABILITY1 para os Eventos Independentes B e A	P(A)=0.06 , P(B)=0.1	$P (A) = 0.06$ $P (A) = 0.06$ , $P (B) = 0.1$ $P (B) = 0.1$
9660	Encontre P(B∩A) para os Eventos Independentes B e A	P(A union B)=0.6 , P(A)=0.4 , P(B)=0.55 , x=P(A)+P(B)-P(A union B)	$P (A \cup B) = 0.6$ $P (A \cup B) = 0.6$ , $P (A) = 0.4$ $P (A) = 0.4$ , $P (B) = 0.55$ $P (B) = 0.55$ , $x = P (A) + P (B) - P (A \cup B)$ $x = P (A) + P (B) - P (A \cup B)$
9661	Encontre P(A∩B) para os Eventos Independentes A e B	P(A)=0.20 , P(B)=0.30	$P (A) = 0.2$ $P (A) = 0.2$ , $P (B) = 0.3$ $P (B) = 0.3$
9662	Encontre P(A∩B) para os Eventos Independentes A e B	P(A)=0.49 , P(B)=0.44	$P (A) = 0.49$ $P (A) = 0.49$ , $P (B) = 0.44$ $P (B) = 0.44$
9663	Encontre P(A∩B) para os Eventos Independentes A e B	P(A)=0.5 , P(B)=0.3	$P (A) = 0.5$ $P (A) = 0.5$ , $P (B) = 0.3$ $P (B) = 0.3$
9664	Encontre P(A∩B) para os Eventos Independentes A e B	P(A)=0.56 , P(B)=0.3	$P (A) = 0.56$ $P (A) = 0.56$ , $P (B) = 0.3$ $P (B) = 0.3$
9665	Encontre P(A∩B) para os Eventos Independentes A e B	P(A)=0.9 , P(B)=0.04	$P (A) = 0.9$ $P (A) = 0.9$ , $P (B) = 0.04$ $P (B) = 0.04$
9666	Encontre P(A∩a) para os Eventos Independentes A e a	P(A)=0.4 , P(a)=0.5	$P (A) = 0.4$ $P (A) = 0.4$ , $P (a) = 0.5$ $P (a) = 0.5$
9667	Encontre P(A∩B) para os Eventos Independentes A e B	P(A)=0.35 , P(B)=0.25	$P (A) = 0.35$ $P (A) = 0.35$ , $P (B) = 0.25$ $P (B) = 0.25$
9668	Encontre P(F∩a) para os Eventos Independentes F e a	P(F)=0.6 , P(a)=0.3	$P (F) = 0.6$ $P (F) = 0.6$ , $P (a) = 0.3$ $P (a) = 0.3$
9669	Encontre P(a\|b) para os Eventos Mutuamente Exclusivos a e b	P(a)=0.35 , P(b)=0.35	$P (a) = 0.35$ $P (a) = 0.35$ , $P (b) = 0.35$ $P (b) = 0.35$
9670	Encontre P(A\|B) para os Eventos Mutuamente Exclusivos A e B	P(A)=0.04 , P(B)=0.02	$P (A) = 0.04$ $P (A) = 0.04$ , $P (B) = 0.02$ $P (B) = 0.02$
9671	Encontre P(A\|B) para os Eventos Mutuamente Exclusivos A e B	P(A)=0.09 , P(B)=0.1	$P (A) = 0.09$ $P (A) = 0.09$ , $P (B) = 0.1$ $P (B) = 0.1$
9672	Encontre P(A\|B) para os Eventos Mutuamente Exclusivos A e B	P(A)=0.18 , P(B)=0.6	$P (A) = 0.18$ $P (A) = 0.18$ , $P (B) = 0.6$ $P (B) = 0.6$
9673	Encontre P(A\|B) para os Eventos Mutuamente Exclusivos A e B	P(A)=0.4 , P(B)=0.6	$P (A) = 0.4$ $P (A) = 0.4$ , $P (B) = 0.6$ $P (B) = 0.6$
9674	Encontre P(A\|B) para os Eventos Mutuamente Exclusivos A e B	P(A)=0.78 , P(B)=0.09	$P (A) = 0.78$ $P (A) = 0.78$ , $P (B) = 0.09$ $P (B) = 0.09$
9675	Encontre P( +A∪B) para os Eventos não Mutuamente Exclusivos +A e B	P(A)=0.09 , P(B)=0.5 , P(AandB)=0.5	$P (A) = 0.09$ $P (A) = 0.09$ , $P (B) = 0.5$ $P (B) = 0.5$ , $P (A a n d B) = 0.5$ $P (A a n d B) = 0.5$
9676	Encontre P( +A∪B) para os Eventos não Mutuamente Exclusivos +A e B	P(A)=0.6 , P(B)=0.5 , P(AandB)=0.2	$P (A) = 0.6$ $P (A) = 0.6$ , $P (B) = 0.5$ $P (B) = 0.5$ , $P (A a n d B) = 0.2$ $P (A a n d B) = 0.2$
9677	Encontre a Probabilidade do Evento Complementar de A	P(A)=0.9	$P (A) = 0.9$ $P (A) = 0.9$
9678	Encontre a Probabilidade do Evento Complementar de A	P(A)=0.01	$P (A) = 0.01$ $P (A) = 0.01$
9679	Déterminer si la fonction est propre ou impropre	f(x)=-8x^2+3x+9	$f (x) = - 8 x^{2} + 3 x + 9$ $f (x) = - 8 x^{2} + 3 x + 9$
9680	Déterminer si la fonction est propre ou impropre	f(x)=((3x-1)^3)/((x^2+1)^2)	$f (x) = \frac{{(3 x - 1)}^{3}}{{(x^{2} + 1)}^{2}}$ $f (x) = \frac{{(3 x - 1)}^{3}}{{(x^{2} + 1)}^{2}}$
9681	Déterminer si la fonction est propre ou impropre	f(x)=x^2+3x-5 base logarithmique 2 de x	$f (x) = x^{2} + 3 x - 5 {log}_{2} (x)$ $f (x) = x^{2} + 3 x - 5 \log_{2} (x)$
9682	Déterminer si la fonction est propre ou impropre	f(x)=2x^2-5x	$f (x) = 2 x^{2} - 5 x$ $f (x) = 2 x^{2} - 5 x$
9683	Déterminer si la fonction est propre ou impropre	f(x)=3x^2-12x+11	$f (x) = 3 x^{2} - 12 x + 11$ $f (x) = 3 x^{2} - 12 x + 11$
9684	Déterminer si la fonction est propre ou impropre	f(x)=9x+3	$f (x) = 9 x + 3$ $f (x) = 9 x + 3$
9685	Déterminer si la fonction est propre ou impropre	f(x) = natural log of x^2-2x	$f (x) = ln (x^{2} - 2 x)$ $f (x) = \ln (x^{2} - 2 x)$
9686	Trouver les dimensions	[[5,-3,1],[-1,7,-7]]	$[\begin{matrix} 5 & - 3 & 1 - 1 & 7 & - 7 \end{matrix}]$ $[\begin{array}{c} 5 & - 3 & 1 \\ - 1 & 7 & - 7 \end{array}]$
9687	Trouver les dimensions	[[7,16,5,15],[3,7,4,-7],[1,2,-3,3]]	$⎡ ⎢ ⎣ \begin{matrix} 7 & 16 & 5 & 15 3 & 7 & 4 & - 7 1 & 2 & - 3 & 3 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 7 & 16 & 5 & 15 \\ 3 & 7 & 4 & - 7 \\ 1 & 2 & - 3 & 3 \end{array}]$
9688	Trouver les dimensions	[[8,5],[-1,0]]	$[\begin{matrix} 8 & 5 - 1 & 0 \end{matrix}]$ $[\begin{array}{c} 8 & 5 \\ - 1 & 0 \end{array}]$
9689	Trouver les dimensions	[[8,9],[7,8],[9,3]]	$⎡ ⎢ ⎣ \begin{matrix} 8 & 9 7 & 8 9 & 3 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 8 & 9 \\ 7 & 8 \\ 9 & 3 \end{array}]$
9690	Trouver les dimensions	[[9,2,3]]	$[\begin{matrix} 9 & 2 & 3 \end{matrix}]$ $[\begin{array}{c} 9 & 2 & 3 \end{array}]$
9691	Trouver les dimensions	[[-9,-6],[1,-2]]	$[\begin{matrix} - 9 & - 6 1 & - 2 \end{matrix}]$ $[\begin{array}{c} - 9 & - 6 \\ 1 & - 2 \end{array}]$
9692	Trouver les dimensions	[[cos(x),sin(x),xcos(x),xsin(x)],[-sin(x),cos(x),cos(x)-xsin(x),sin(x)+xcos(x)],[-cos(x),-sin(x),-2sin(x)-xcos(x),2cos(x)-xsin(x)],[sin(x),-cos(x),-3cos(x)-xsin(x),-3sin(x)xcos(x)]]	$⎡ ⎢ ⎢ ⎢ ⎢ ⎣ \begin{matrix} cos (x) & sin (x) & x cos (x) & x sin (x) - sin (x) & cos (x) & cos (x) - x sin (x) & sin (x) + x cos (x) - cos (x) & - sin (x) & - 2 sin (x) - x cos (x) & 2 cos (x) - x sin (x) sin (x) & - cos (x) & - 3 cos (x) - x sin (x) & - 3 sin (x) x cos (x) \end{matrix} ⎤ ⎥ ⎥ ⎥ ⎥ ⎦$ $[\begin{array}{c} \cos (x) & \sin (x) & x \cos (x) & x \sin (x) \\ - \sin (x) & \cos (x) & \cos (x) - x \sin (x) & \sin (x) + x \cos (x) \\ - \cos (x) & - \sin (x) & - 2 \sin (x) - x \cos (x) & 2 \cos (x) - x \sin (x) \\ \sin (x) & - \cos (x) & - 3 \cos (x) - x \sin (x) & - 3 \sin (x) x \cos (x) \end{array}]$
9693	Trouver les dimensions	r=[[m+1,t],[n-2,y],[3-p,q]]	$r = ⎡ ⎢ ⎣ \begin{matrix} m + 1 & t n - 2 & y 3 - p & q \end{matrix} ⎤ ⎥ ⎦$ $r = [\begin{array}{c} m + 1 & t \\ n - 2 & y \\ 3 - p & q \end{array}]$
9694	Trouver les dimensions	[[0,0,-1,0],[1,1,1,120],[42,42,70,7200]]*86	$⎡ ⎢ ⎣ \begin{matrix} 0 & 0 & - 1 & 0 1 & 1 & 1 & 120 42 & 42 & 70 & 7200 \end{matrix} ⎤ ⎥ ⎦ \cdot 86$ $[\begin{array}{c} 0 & 0 & - 1 & 0 \\ 1 & 1 & 1 & 120 \\ 42 & 42 & 70 & 7200 \end{array}] \cdot 86$
9695	Trouver les dimensions	[[1,-2,0,0],[1,1,1,310],[350000,70000,60000,15000000]]	$⎡ ⎢ ⎣ \begin{matrix} 1 & - 2 & 0 & 0 1 & 1 & 1 & 310 350000 & 70000 & 60000 & 15000000 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 1 & - 2 & 0 & 0 \\ 1 & 1 & 1 & 310 \\ 350000 & 70000 & 60000 & 15000000 \end{array}]$
9696	Trouver les dimensions	[[1,2,3],[4,5,6],[7,8,9]]	$⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 4 & 5 & 6 7 & 8 & 9 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{array}]$
9697	Trouver les dimensions	[[1,-4,-3],[-2,9,4],[3,-13,-7]]	$⎡ ⎢ ⎣ \begin{matrix} 1 & - 4 & - 3 - 2 & 9 & 4 3 & - 13 & - 7 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 1 & - 4 & - 3 \\ - 2 & 9 & 4 \\ 3 & - 13 & - 7 \end{array}]$
9698	Trouver les dimensions	[[2,3,11],[1,-1,-2]]	$[\begin{matrix} 2 & 3 & 11 1 & - 1 & - 2 \end{matrix}]$ $[\begin{array}{c} 2 & 3 & 11 \\ 1 & - 1 & - 2 \end{array}]$
9699	Trouver les dimensions	[[3,7,9,0],[1,2,3,2],[1,4,1,2]]	$⎡ ⎢ ⎣ \begin{matrix} 3 & 7 & 9 & 0 1 & 2 & 3 & 2 1 & 4 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 3 & 7 & 9 & 0 \\ 1 & 2 & 3 & 2 \\ 1 & 4 & 1 & 2 \end{array}]$
9700	Trouver les dimensions	[[1,4,-2,21],[3,-6,-3,-18],[2,4,1,37]]	$⎡ ⎢ ⎣ \begin{matrix} 1 & 4 & - 2 & 21 3 & - 6 & - 3 & - 18 2 & 4 & 1 & 37 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 1 & 4 & - 2 & 21 \\ 3 & - 6 & - 3 & - 18 \\ 2 & 4 & 1 & 37 \end{array}]$