Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
14901	Resolva para x	7x-5y=14	$7 x - 5 y = 14$
14902	Resolva para x	(1/e)^(-x)=(1/(e^9))^(x+3)	${(\frac{1}{e})}^{- x} = {(\frac{1}{e^{9}})}^{x + 3}$
14903	Resolva para x	((1+x)/(1+x/2))^20=1.4	${(\frac{1 + x}{1 + \frac{x}{2}})}^{20} = 1.4$
14904	Resolva para x	(5/6)^x=36/25	${(\frac{5}{6})}^{x} = \frac{36}{25}$
14905	Resolva para x	( racine carrée de 2)^(x+7)=8^x	${(\sqrt{2})}^{x + 7} = 8^{x}$
14906	Resolva para x	( racine carrée de 5)^(x+1)=25^x	${(\sqrt{5})}^{x + 1} = 25^{x}$
14907	Resolva para x	(x^(1/3)+y^-1)^-1=5/11	${(x^{\frac{1}{3}} + y^{- 1})}^{- 1} = \frac{5}{11}$
14908	Resolva para x	(x^2-6x)^2-2(x^2-6x)-35=0	${(x^{2} - 6 x)}^{2} - 2 (x^{2} - 6 x) - 35 = 0$
14909	Resolva para x	(2x-4)^2=16	${(2 x - 4)}^{2} = 16$
14910	Resolva para x	(3x)/16-1/3=1-4/3*(x-1/12)	$\frac{3 x}{16} - \frac{1}{3} = 1 - \frac{4}{3} \cdot (x - \frac{1}{12})$
14911	Resolva para x	(3x+1)^2=18	${(3 x + 1)}^{2} = 18$
14912	Resolva para x	(4x+20)/((x-3)^2)=1	$\frac{4 x + 20}{{(x - 3)}^{2}} = 1$
14913	Resolva para x	(6-x)^2=13	${(6 - x)}^{2} = 13$
14914	Resolva para x	(72x^2+x)^2-74(72x^2+x)+73=0	${(72 x^{2} + x)}^{2} - 74 (72 x^{2} + x) + 73 = 0$
14915	Resolva para u	3(u+6)-7u=-2	$3 (u + 6) - 7 u = - 2$
14916	Resolva para u	5(u-1)=-5u-15	$5 (u - 1) = - 5 u - 15$
14917	Resolva para u	5u^2-24u=5	$5 u^{2} - 24 u = 5$
14918	Resolva para u	u = square root of 2u^2-3u-4	$u = \sqrt{2 u^{2} - 3 u - 4}$
14919	Resolva para u	u=00.227+10.435+20.270+30.060	$u = 0 \cdot 0.227 + 1 \cdot 0.435 + 2 \cdot 0.27 + 3 \cdot 0.06$
14920	Resolva para u	u=1+(x-2)^2	$u = 1 + {(x - 2)}^{2}$
14921	Resolva para v	7/((v-1)(v+7))=-3+2/(v+7)	$\frac{7}{(v - 1) (v + 7)} = - 3 + \frac{2}{v + 7}$
14922	Resolva para v	\|4v+8\|=4	$\| 4 v + 8 \| = 4$
14923	Resolva para v	1/2((0.12)(7.85^2))=(0.12)(9.81)(1.18)+1/2((0.12)v^2)	$\frac{1}{2} \cdot ((0.12) ({7.85}^{2})) = (0.12) (9.81) (1.18) + \frac{1}{2} \cdot ((0.12) v^{2})$
14924	Resolva para v	7/17=v/4	$\frac{7}{17} = \frac{v}{4}$
14925	Resolva para v	v^2+6v-59=0	$v^{2} + 6 v - 59 = 0$
14926	Resolva para v	v^2=5.69^2+2-9.81-16.3	$v^{2} = {5.69}^{2} + 2 \cdot - 9.81 \cdot - 16.3$
14927	Resolva para v	(v-6)/(v-6)=(v-4)/(v-1)-1	$\frac{v - 6}{v - 6} = \frac{v - 4}{v - 1} - 1$
14928	Resolva para v	1.4585=(2.99792*10^8)/v	$1.4585 = \frac{2.99792 \cdot 10^{8}}{v}$
14929	Resolva para v	18-4v=42	$18 - 4 v = 42$
14930	Resolva para v	-19=2v+9-6v	$- 19 = 2 v + 9 - 6 v$
14931	Resolva para v	2.2165=(2.99792*10^8)/v	$2.2165 = \frac{2.99792 \cdot 10^{8}}{v}$
14932	Resolva para v	27=5(v+2)(v-2)-26(v-2)	$27 = 5 (v + 2) (v - 2) - 26 (v - 2)$
14933	Resolva para v	3v^2+16v+5=0	$3 v^{2} + 16 v + 5 = 0$
14934	Resolva para v	3v^2+36v+49=8v	$3 v^{2} + 36 v + 49 = 8 v$
14935	Resolva para v	3v+15=7v+7	$3 v + 15 = 7 v + 7$
14936	Resolva para v	4v^2=15v+4	$4 v^{2} = 15 v + 4$
14937	Resolva para v	6v^2-24v=0	$6 v^{2} - 24 v = 0$
14938	Resolva para V	D=M/V	$D = \frac{M}{V}$
14939	Resolva para V	FV=(2000((1+0.072)^20-1))/0.072	$F V = \frac{2000 ({(1 + 0.072)}^{20} - 1)}{0.072}$
14940	Resolva para v	i=0.01v-0.01	$i = 0.01 v - 0.01$
14941	Resolva para v	s=1/2*(gt^2)+vt	$s = \frac{1}{2} \cdot (g t^{2}) + v t$
14942	Resolva para V	V=(1-0.20)*(1100((1+0.07)^25-1))/0.07	$V = (1 - 0.2) \cdot \frac{1100 ({(1 + 0.07)}^{25} - 1)}{0.07}$
14943	Resolva para v	v=(1+0.11/365)^365-1	$v = {(1 + \frac{0.11}{365})}^{365} - 1$
14944	Trouver le nombre de possibilités	20 choisir 0	${}_{20}C_{0}$
14945	Resolva para v	v=4/3*((3.14)(7)^3)	$v = \frac{4}{3} \cdot ((3.14) {(7)}^{3})$
14946	Resolva para v	v=1500(((1.065)^n-1)/0.065)	$v = 1500 (\frac{{(1.065)}^{n} - 1}{0.065})$
14947	Resolva para v	v=(150000(0.0045))/((1+0.0045)^(144-1))	$v = \frac{150000 (0.0045)}{{(1 + 0.0045)}^{144 - 1}}$
14948	Resolva para v	v=(161000(0.0035))/((1+0.0035)^192-1)	$v = \frac{161000 (0.0035)}{{(1 + 0.0035)}^{192} - 1}$
14949	Resolva para v	v=(1900((1+0.079)^19-1))/0.079	$v = \frac{1900 ({(1 + 0.079)}^{19} - 1)}{0.079}$
14950	Resolva para v	v=509(((1.0025)^(3*12)-1)/(0.03/12))	$v = 509 (\frac{{(1.0025)}^{3 \cdot 12} - 1}{\frac{0.03}{12}})$
14951	Resolva para v	v=533(((1.005)^60-1)/0.005)	$v = 533 (\frac{{(1.005)}^{60} - 1}{0.005})$
14952	Resolva para v	v=7ry^3-2rv	$v = 7 r y^{3} - 2 r v$
14953	Trouver l'écart type de l’échantillon	534 , 524 , 539 , 530 , 537 , 522	$534$ , $524$ , $539$ , $530$ , $537$ , $522$
14954	Resolva para w	((w)(2w-10))+(3+w)=256	$((w) (2 w - 10)) + (3 + w) = 256$
14955	Resolva para w	(3-w)(4w-9)=0	$(3 - w) (4 w - 9) = 0$
14956	Resolva para w	(4-w)(3w-7)=0	$(4 - w) (3 w - 7) = 0$
14957	Resolva para w	(w+4)^3+80=0	${(w + 4)}^{3} + 80 = 0$
14958	Resolva para w	10/(2w+4)=5/(w-2)	$\frac{10}{2 w + 4} = \frac{5}{w - 2}$
14959	Resolva para w	2/5w=12	$\frac{2}{5} w = 12$
14960	Resolva para w	2/(5w)=12	$\frac{2}{5 w} = 12$
14961	Resolva para w	-3/4w-4/3=-1/6w+1/12+5/6w	$- \frac{3}{4} w - \frac{4}{3} = - \frac{1}{6} w + \frac{1}{12} + \frac{5}{6} w$
14962	Resolva para w	5/9w=5	$\frac{5}{9} w = 5$
14963	Resolva para w	w/2-12=53	$\frac{w}{2} - 12 = 53$
14964	Resolva para w	w/2-30=53	$\frac{w}{2} - 30 = 53$
14965	Resolva para w	w/2-3H=53	$\frac{w}{2} - 3 H = 53$
14966	Resolva para w	w/4=6.4	$\frac{w}{4} = 6.4$
14967	Resolva para w	w/5=g	$\frac{w}{5} = g$
14968	Resolva para w	w^2+9w=52	$w^{2} + 9 w = 52$
14969	Resolva para w	w^2=49	$w^{2} = 49$
14970	Resolva para w	w^2-8w=0	$w^{2} - 8 w = 0$
14971	Resolva para w	(w-5)/(w-4)=(w-4)/(w-6)+1	$\frac{w - 5}{w - 4} = \frac{w - 4}{w - 6} + 1$
14972	Resolva para w	0.3(w+60)=0.7(w+40)+22	$0.3 (w + 60) = 0.7 (w + 40) + 22$
14973	Resolva para w	-11.3+8w=1.5	$- 11.3 + 8 w = 1.5$
14974	Resolva para w	-2(w+3)=3(w+4)+7	$- 2 (w + 3) = 3 (w + 4) + 7$
14975	Resolva para w	2(w-3)-5w=-3(w+3)	$2 (w - 3) - 5 w = - 3 (w + 3)$
14976	Resolva para w	2w^2=-98	$2 w^{2} = - 98$
14977	Resolva para w	20w^2-11w=3	$20 w^{2} - 11 w = 3$
14978	Resolva para w	21w^2=14w	$21 w^{2} = 14 w$
14979	Resolva para w	2x+4y+z+3w=2	$2 x + 4 y + z + 3 w = 2$
14980	Resolva para w	3\|w+1\|-2=7	$3 \| w + 1 \| - 2 = 7$
14981	Resolva para w	-4w=-12	$- 4 w = - 12$
14982	Resolva para w	56=7/8w	$56 = \frac{7}{8} w$
14983	Resolva para w	5w-7=5w-8	$5 w - 7 = 5 w - 8$
14984	Resolva para w	-8w+5=-43	$- 8 w + 5 = - 43$
14985	Resolva para w	9w^2-81=0	$9 w^{2} - 81 = 0$
14986	Resolva para r	39=(833)(3/40)r	$39 = (833) (\frac{3}{40}) r$
14987	Resolva para r	4r^2+20r+25=0	$4 r^{2} + 20 r + 25 = 0$
14988	Resolva para r	400=(0.08)(2557)(r)	$400 = (0.08) (2557) (r)$
14989	Resolva para r	4000=4300(1+0.83r)	$4000 = 4300 (1 + 0.83 r)$
14990	Resolva para r	42000=29000e^(r*5)	$42000 = 29000 e^{r \cdot 5}$
14991	Resolva para r	45000=24000e^(r*10)	$45000 = 24000 e^{r \cdot 10}$
14992	Resolva para r	48=(609r*240)/365	$48 = \frac{609 r \cdot 240}{365}$
14993	Resolva para r	-5(2r-0.3)+0.5(4r+3)=-64	$- 5 (2 r - 0.3) + 0.5 (4 r + 3) = - 64$
14994	Resolva para r	5000=4000(1+r)^365	$5000 = 4000 {(1 + r)}^{365}$
14995	Resolva para r	5000=5525(1+(3)r)	$5000 = 5525 (1 + (3) r)$
14996	Resolva para r	50000=28000e^(6r)	$50000 = 28000 e^{6 r}$
14997	Resolva para r	5022.5=4900(1+(r)(1/2))	$5022.5 = 4900 (1 + (r) (\frac{1}{2}))$
14998	Resolva para r	58000=21000e^(r(20))	$58000 = 21000 e^{r (20)}$
14999	Resolva para r	5994.85=4300(1+r/12)^84	$5994.85 = 4300 {(1 + \frac{r}{12})}^{84}$
15000	Resolva para r	60=760(r)(28/365)	$60 = 760 (r) (\frac{28}{365})$