Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
501	Resolva para x	x/2+(2x)/3+3=x+3	$\frac{x}{2} + \frac{2 x}{3} + 3 = x + 3$
502	Resolva para x	x^2+x+11=14	$x^{2} + x + 11 = 14$
503	Resolva para x	-x/3+5=-2x+12	$- \frac{x}{3} + 5 = - 2 x + 12$
504	Resolva para x	1.9=1/2.6+1/x	$1.9 = \frac{1}{2.6} + \frac{1}{x}$
505	Resolva para x	18x+25y=21820	$18 x + 25 y = 21820$
506	Resolva para x	-x^2-3x=-2	$- x^{2} - 3 x = - 2$
507	Resolva para x	2x+ racine carrée de 7=(3-2x) racine carrée de 7	$2 x + \sqrt{7} = (3 - 2 x) \sqrt{7}$
508	Resolva para x	2x=5x+10	$2 x = 5 x + 10$
509	Resolva para x	2x=5y	$2 x = 5 y$
510	Trouver le nombre de possibilités	8 choisir 2	${}_{8}C_{2}$
511	Resolva para x	3x+55=6x	$3 x + 55 = 6 x$
512	Resolva para x	3x^2=12x	$3 x^{2} = 12 x$
513	Resolva para x	3(x-2)^2=0	$3 {(x - 2)}^{2} = 0$
514	Resolva para x	-2x+3y=1	$- 2 x + 3 y = 1$
515	Resolva para x	3(1-x)-1/3=(2-3x)/2	$3 (1 - x) - \frac{1}{3} = \frac{2 - 3 x}{2}$
516	Resolva para x	3(2-5x)+4(6x)=12	$3 (2 - 5 x) + 4 (6 x) = 12$
517	Resolva para x	4x+5y=6	$4 x + 5 y = 6$
518	Resolva para a	3x^2-13x+19=a(x-2^2+b(-2c))	$3 x^{2} - 13 x + 19 = a (x - 2^{2} + b (- 2 c))$
519	Resolva para d	d=1/9*20^2	$d = \frac{1}{9} \cdot 20^{2}$
520	Resolva para f	fva=(c((1+0.108/12)^120-1))/(0.108/12)
521	Trouver la pente et l'ordonnée à l'origine	-5x+y=-2	$- 5 x + y = - 2$
522	Resolva para a	1/10(a+3)=1/4(2-a)	$\frac{1}{10} \cdot (a + 3) = \frac{1}{4} \cdot (2 - a)$
523	Resolva para L	-2.6=1/1.5* logarithme népérien de L/L-1	$- 2.6 = \frac{1}{1.5} \cdot \ln (\frac{L}{L} - 1)$
524	Resolva para m	m=4/7	$m = \frac{4}{7}$
525	Resolva para p	20000=p(1+0.04/4)^(4*10)	$20000 = p {(1 + \frac{0.04}{4})}^{4 \cdot 10}$
526	Resolva para p	p=2x+3y	$p = 2 x + 3 y$
527	Resolva para a	a^3+2^3=4^3	$a^{3} + 2^{3} = 4^{3}$
528	Resolva para k	logarithme de 8k-7- logarithme de 3+4k = logarithme de 9/11	$\log (8 k - 7) - \log (3 + 4 k) = \log (\frac{9}{11})$
529	Resolva para r	2631.53=(2267)(67/90)r	$2631.53 = (2267) (\frac{67}{90}) r$
530	Resolva para r	36=1200r0.5	$36 = 1200 \cdot r \cdot 0.5$
531	Resolva para t	t=3/2(3/2(3/2*(9p+1)+1)+1)+1	$t = \frac{3}{2} \cdot (\frac{3}{2} \cdot (\frac{3}{2} \cdot (9 p + 1) + 1) + 1) + 1$
532	Resolva para x	x=-y^2+y-5	$x = - y^{2} + y - 5$
533	Resolva para y	3x+2y=-21	$3 x + 2 y = - 21$
534	Resolva para y	4x-2y=8	$4 x - 2 y = 8$
535	Resolva para y	3x+4y=36	$3 x + 4 y = 36$
536	Resolva para y	\|5y-9\|=\|5y+4\|	$\| 5 y - 9 \| = \| 5 y + 4 \|$
537	Resolva para x	38x-70=2500	$38 x - 70 = 2500$
538	Resolva para x	3x=2y+6	$3 x = 2 y + 6$
539	Resolva para x	3500=1000e^(0.04x)	$3500 = 1000 e^{0.04 x}$
540	Resolva para x	V=(x-a)^2-x^2	$V = {(x - a)}^{2} - x^{2}$
541	Resolva para x	x+ racine carrée de x+6=14	$x + \sqrt{x + 6} = 14$
542	Resolva para X	2*5^(-X)=18	$2 \cdot 5^{- X} = 18$
543	Resolva para x	8^x=16^(3x+9)	$8^{x} = 16^{3 x + 9}$
544	Resolva para y	-3x+y=-3	$- 3 x + y = - 3$
545	Resolva para y	y = log base 3 of x	$y = \log_{3} (x)$
546	Resolva para z	z=2x-y	$z = 2 x - y$
547	Resolva para x	30x+1/((1+x)^45)=1	$30 x + \frac{1}{{(1 + x)}^{45}} = 1$
548	Resolva para x	4(x+1)^2-80=0	$4 {(x + 1)}^{2} - 80 = 0$
549	Resolva para x	5(x-2)=3x+8	$5 (x - 2) = 3 x + 8$
550	Resolva para x	(x+4)(4x+1)=-1	$(x + 4) (4 x + 1) = - 1$
551	Resolva para x	(x+2)/2-x/3=5	$\frac{x + 2}{2} - \frac{x}{3} = 5$
552	Resolva para x	x+1 = square root of 6x-7-1	$x + 1 = \sqrt{6 x - 7} - 1$
553	Resolva para x	15^x+15=5^x5+3^x3	$15^{x} + 15 = 5^{x} \cdot 5 + 3^{x} \cdot 3$
554	Resolva para x	-x/5=12	$- \frac{x}{5} = 12$
555	Resolva para x	(2x+1)/(x+3)-(2x-3)/((x+3)(x-3))=(2x-1)/(x-3)	$\frac{2 x + 1}{x + 3} - \frac{2 x - 3}{(x + 3) (x - 3)} = \frac{2 x - 1}{x - 3}$
556	Resolva para x	racine carrée de 18x-27=x+3	$\sqrt{18 x - 27} = x + 3$
557	Resolva para x	15x+25(x-3)=485	$15 x + 25 (x - 3) = 485$
558	Resolva para y	y=x^2-2x+11	$y = x^{2} - 2 x + 11$
559	Resolva para y	y = square root of 2x^2-3x	$y = \sqrt{2 x^{2} - 3 x}$
560	Resolva para y	y=px	$y = p x$
561	Resolva para y	y=7^-2	$y = 7^{- 2}$
562	Resolva para z	z=3(12)+5(0)	$z = 3 (12) + 5 (0)$
563	Resolva para z	z=5x+4y	$z = 5 x + 4 y$
564	Resolva para k	16=k*4^3	$16 = k \cdot 4^{3}$
565	Resolva para a	a-3/5=5/6	$a - \frac{3}{5} = \frac{5}{6}$
566	Resolva para a	a+8=-1	$a + 8 = - 1$
567	Resolva para c	c-1=-10	$c - 1 = - 10$
568	Resolva para g	y=gx+s	$y = g x + s$
569	Resolva para z	z=2(11)+4(0)	$z = 2 (11) + 4 (0)$
570	Resolva para r	4660.90=2912.09(1+7/13r)	$4660.9 = 2912.09 (1 + \frac{7}{13} r)$
571	Resolva para x	logarithme népérien de x+1=-1+ logarithme népérien de x-1	$\ln (x + 1) = - 1 + \ln (x - 1)$
572	Resolva para x	x+5=e^3	$x + 5 = e^{3}$
573	Resolva para x	x=100+0.9(200)	$x = 100 + 0.9 (200)$
574	Resolva para x	g(b+8)=8x-5	$g (b + 8) = 8 x - 5$
575	Resolva para x	logarithme népérien de x+8- logarithme népérien de x=1	$\ln (x + 8) - \ln (x) = 1$
576	Resolva para x	82=100-100e^(-0.04x)	$82 = 100 - 100 e^{- 0.04 x}$
577	Resolva para x	4x+y=15	$4 x + y = 15$
578	Resolva para x	4x+6y=24	$4 x + 6 y = 24$
579	Resolva para x	5x+14-2x=9-(4x+2)	$5 x + 14 - 2 x = 9 - (4 x + 2)$
580	Resolva para x	6(1.02^(5x+1))=9	$6 ({1.02}^{5 x + 1}) = 9$
581	Resolva para x	6x-5y=10	$6 x - 5 y = 10$
582	Resolva para x	8x+5=9x-15	$8 x + 5 = 9 x - 15$
583	Resolva para x	65=75/(1+5e^(-0.8x))	$65 = \frac{75}{1 + 5 e^{- 0.8 x}}$
584	Resolva para x	9x-6y=18	$9 x - 6 y = 18$
585	Resolva para x	y=5/(x^2-4x+7)	$y = \frac{5}{x^{2} - 4 x + 7}$
586	Resolva para x	y=1/(7x)+2	$y = \frac{1}{7 x} + 2$
587	Trouver le nombre de possibilités	4 choisir 3	${}_{4}C_{3}$
588	Resolva para x	x-4=10	$x - 4 = 10$
589	Resolva para y	4x-5y=20	$4 x - 5 y = 20$
590	Resolva para x	y=(900000000-30000x)/(x+90000)	$y = \frac{900000000 - 30000 x}{x + 90000}$
591	Resolva para y	3/2y-4=5/3*(y+4)-2/3	$\frac{3}{2} y - 4 = \frac{5}{3} \cdot (y + 4) - \frac{2}{3}$
592	Resolva para y	0.7y=2	$0.7 y = 2$
593	Simplifier	((x^5y^2)/(wz^3))-3	$(\frac{x^{5} y^{2}}{w z^{3}}) - 3$
594	Simplifier	96/(26 racine carrée de 418)2	$\frac{96}{26 \sqrt{4} \cdot 18} \cdot 2$
595	Simplifier	e^1.7	$e^{1.7}$
596	Simplifier	g^-1(4)	$g^{- 1} (4)$
597	Simplifier	f^(8(7x))	$f^{8 (7 x)}$
598	Simplifier	racine cubique de 128	$\sqrt[3]{128}$
599	Simplifier	racine cubique de 8x-8 racine cubique de 27x	$\sqrt[3]{8 x} - 8 \sqrt[3]{27 x}$
600	Simplifier	racine cubique de 16	$\sqrt[3]{16}$