Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
11001	Resolva para k	kx^2+3kx+k+p=0	$k x^{2} + 3 k x + k + p = 0$ $k x^{2} + 3 k x + k + p = 0$
11002	Resolva para k	0.7=k/1.8	$0.7 = \frac{k}{1.8}$ $0.7 = \frac{k}{1.8}$
11003	Resolva para k	12p=k2^29	$12 p = k \cdot 2^{2} \cdot 9$ $12 p = k \cdot 2^{2} \cdot 9$
11004	Resolva para k	3(k-2)-6=4k-(3k-1)	$3 (k - 2) - 6 = 4 k - (3 k - 1)$ $3 (k - 2) - 6 = 4 k - (3 k - 1)$
11005	Resolva para k	4-(-7-k)>2(k+3)	$4 - (- 7 - k) > 2 (k + 3)$ $4 - (- 7 - k) > 2 (k + 3)$
11006	Resolva para k	4k+15>-2k+3	$4 k + 15 > - 2 k + 3$ $4 k + 15 > - 2 k + 3$
11007	Resolva para k	5k=-4	$5 k = - 4$ $5 k = - 4$
11008	Resolva para k	k+3/11=8/11	$k + \frac{3}{11} = \frac{8}{11}$ $k + \frac{3}{11} = \frac{8}{11}$
11009	Resolva para k	kx+6y=k	$k x + 6 y = k$ $k x + 6 y = k$
11010	Resolva para k	x+ky=4	$x + k y = 4$ $x + k y = 4$
11011	Resolva para l	4l<88^2	$4 l < 88^{2}$ $4 l < 88^{2}$
11012	Resolva para l	r=n/4*(a+l)	$r = \frac{n}{4} \cdot (a + l)$ $r = \frac{n}{4} \cdot (a + l)$
11013	Resolva para m	(2m+10)^2+(3m)^2=(5m)^2	${(2 m + 10)}^{2} + {(3 m)}^{2} = {(5 m)}^{2}$ ${(2 m + 10)}^{2} + {(3 m)}^{2} = {(5 m)}^{2}$
11014	Resolva para m	\|m\|+5<9	$\| m \| + 5 < 9$ $\| m \| + 5 < 9$
11015	Resolva para m	2/(4m-2)-4/(5m-1)=-7/(20m^2-14m+2)	$\frac{2}{4 m - 2} - \frac{4}{5 m - 1} = - \frac{7}{20 m^{2} - 14 m + 2}$ $\frac{2}{4 m - 2} - \frac{4}{5 m - 1} = - \frac{7}{20 m^{2} - 14 m + 2}$
11016	Resolva para m	m/3-4=2/3	$\frac{m}{3} - 4 = \frac{2}{3}$ $\frac{m}{3} - 4 = \frac{2}{3}$
11017	Resolva para m	m/3-5<7/3-m/4	$\frac{m}{3} - 5 < \frac{7}{3} - \frac{m}{4}$ $\frac{m}{3} - 5 < \frac{7}{3} - \frac{m}{4}$
11018	Simplifier	s(x^2bar)*(2d)	$s (x^{2} b a r) \cdot (2 d)$ $s (x^{2} b a r) \cdot (2 d)$
11019	Simplifier	s=q/(q+p(1-q))	$s = \frac{q}{q + p (1 - q)}$ $s = \frac{q}{q + p (1 - q)}$
11020	Simplifier	sin((2pi)/3)cos(pi/4)+cos((2pi)/3)sin(pi/4)	$\sin (\frac{2 π}{3}) \cos (\frac{π}{4}) + \cos (\frac{2 π}{3}) \sin (\frac{π}{4})$ $\sin (\frac{2 π}{3}) \cos (\frac{π}{4}) + \cos (\frac{2 π}{3}) \sin (\frac{π}{4})$
11021	Simplifier	sin(0.2875)findsec(a)	$\sin (0.2875)$ $\sin (0.2875)$ findsec $(a)$ $(a)$
11022	Simplifier	sin(105)(xba^(5r))	$\sin (105) (x b a^{5 r})$ $\sin (105) (x b a^{5 r})$
11023	Simplifier	sin(10i\|6\|)	$\sin (10 i \| 6 \|)$ $\sin (10 i \| 6 \|)$
11024	Simplifier	sin(2pi)-pi/6+cos(pi/2)-pi/3	$\sin (2 π) - \frac{π}{6} + \cos (\frac{π}{2}) - \frac{π}{3}$ $\sin (2 π) - \frac{π}{6} + \cos (\frac{π}{2}) - \frac{π}{3}$
11025	Simplifier	sin(-330)^o	${\sin (- 330)}^{o}$ ${\sin (- 330)}^{o}$
11026	Simplifier	sin(40)a	$\sin (40) a$ $\sin (40) a$
11027	Simplifier	m(m+4)(m-6)	$m (m + 4) (m - 6)$ $m (m + 4) (m - 6)$
11028	Simplifier	mf(x)	$m f (x)$ $m f (x)$
11029	Simplifier	p(q^-2)(r^-3)	$p (q^{- 2}) (r^{- 3})$ $p (q^{- 2}) (r^{- 3})$
11030	Simplifier	p(0.3)	$p (0.3)$ $p (0.3)$
11031	Simplifier	p(5)	$p (5)$ $p (5)$
11032	Simplifier	p(50)0.028(50)^2-4.17650+258.890	$p (50) \cdot 0.028 {(50)}^{2} - 4.176 \cdot 50 + 258.89$ $p (50) \cdot 0.028 {(50)}^{2} - 4.176 \cdot 50 + 258.89$
11033	Simplifier	p(aub)	$p (a u b)$ $p (a u b)$
11034	Simplifier	p(p-q)-q(q-p)	$p (p - q) - q (q - p)$ $p (p - q) - q (q - p)$
11035	Simplifier	p(x)-x^2+110x-1100	$p (x) - x^{2} + 110 x - 1100$ $p (x) - x^{2} + 110 x - 1100$
11036	Simplifier	p(x)-2x^3-14x^2+2x+83	$p (x) - 2 x^{3} - 14 x^{2} + 2 x + 83$ $p (x) - 2 x^{3} - 14 x^{2} + 2 x + 83$
11037	Simplifier	p*103	$p \cdot 103$ $p \cdot 103$
11038	Simplifier	p(12,5)	$p (12, 5)$ $p (12, 5)$
11039	Simplifier	p(x)(1)	$p (x) (1)$ $p (x) (1)$
11040	Simplifier	p(1+0.00425)^(12*18)	$p {(1 + 0.00425)}^{12 \cdot 18}$ $p {(1 + 0.00425)}^{12 \cdot 18}$
11041	Resolva para x	x/15+1/5=1/30	$\frac{x}{15} + \frac{1}{5} = \frac{1}{30}$ $\frac{x}{15} + \frac{1}{5} = \frac{1}{30}$
11042	Resolva para a	a/(x-b)+b/(x-a)=2	$\frac{a}{x - b} + \frac{b}{x - a} = 2$ $\frac{a}{x - b} + \frac{b}{x - a} = 2$
11043	Resolva para a	a^2+ racine carrée de 17^2 = racine carrée de 22^2	$a^{2} + \sqrt{17^{2}} = \sqrt{22^{2}}$ $a^{2} + \sqrt{17^{2}} = \sqrt{22^{2}}$
11044	Resolva para a	a^2+6a^2=11^2	$a^{2} + 6 a^{2} = 11^{2}$ $a^{2} + 6 a^{2} = 11^{2}$
11045	Resolva para a	a^2+6a^2=7^2	$a^{2} + 6 a^{2} = 7^{2}$ $a^{2} + 6 a^{2} = 7^{2}$
11046	Resolva para a	a^b(3a^b)^c=81a^(5b)	$a^{b} {(3 a^{b})}^{c} = 81 a^{5 b}$ $a^{b} {(3 a^{b})}^{c} = 81 a^{5 b}$
11047	Resolva para a	x^2-(a+2)x+2a>0	$x^{2} - (a + 2) x + 2 a > 0$ $x^{2} - (a + 2) x + 2 a > 0$
11048	Resolva para a	2a+2b+2c=12	$2 a + 2 b + 2 c = 12$ $2 a + 2 b + 2 c = 12$
11049	Resolva para a	3a+2b=18	$3 a + 2 b = 18$ $3 a + 2 b = 18$
11050	Resolva para a	3a-5=-6a-6	$3 a - 5 = - 6 a - 6$ $3 a - 5 = - 6 a - 6$
11051	Resolva para a	4(2n-3)=a(p)	$4 (2 n - 3) = a (p)$ $4 (2 n - 3) = a (p)$
11052	Resolva para a	5-3/a<7/a	$5 - \frac{3}{a} < \frac{7}{a}$ $5 - \frac{3}{a} < \frac{7}{a}$
11053	Resolva para a	7a-5a=6+24	$7 a - 5 a = 6 + 24$ $7 a - 5 a = 6 + 24$
11054	Resolva para A	A=(1.12)^2	$A = {(1.12)}^{2}$ $A = {(1.12)}^{2}$
11055	Resolva para A	A=2200(1.02)^16	$A = 2200 {(1.02)}^{16}$ $A = 2200 {(1.02)}^{16}$
11056	Resolva para a	a=2-5	$a = 2 - 5$ $a = 2 - 5$
11057	Resolva para A	A=500(1+0.05)^6	$A = 500 {(1 + 0.05)}^{6}$ $A = 500 {(1 + 0.05)}^{6}$
11058	Resolva para a	a=(8500(1+0.062))/0.062	$a = \frac{8500 (1 + 0.062)}{0.062}$ $a = \frac{8500 (1 + 0.062)}{0.062}$
11059	Resolva para a	a>3254	$a > 3254$ $a > 3254$
11060	Resolva para a	a-0=-26(t-160)	$a - 0 = - 26 (t - 160)$ $a - 0 = - 26 (t - 160)$
11061	Resolva para x	2x^2-3x=-6	$2 x^{2} - 3 x = - 6$ $2 x^{2} - 3 x = - 6$
11062	Resolva para x	2x^6-5x^3-12=0	$2 x^{6} - 5 x^{3} - 12 = 0$ $2 x^{6} - 5 x^{3} - 12 = 0$
11063	Resolva para x	20x^2-12x+1=0	$20 x^{2} - 12 x + 1 = 0$ $20 x^{2} - 12 x + 1 = 0$
11064	Resolva para x	20>5-5x	$20 > 5 - 5 x$ $20 > 5 - 5 x$
11065	Resolva para x	20828=1200(((1+x)^16)/x)	$20828 = 1200 (\frac{{(1 + x)}^{16}}{x})$ $20828 = 1200 (\frac{{(1 + x)}^{16}}{x})$
11066	Resolva para x	-21<4x-9	$- 21 < 4 x - 9$ $- 21 < 4 x - 9$
11067	Resolva para x	25-(4x-1)^2=0	$25 - {(4 x - 1)}^{2} = 0$ $25 - {(4 x - 1)}^{2} = 0$
11068	Resolva para x	25+4x=2x-3	$25 + 4 x = 2 x - 3$ $25 + 4 x = 2 x - 3$
11069	Resolva para x	25x-1^2=16/25	$25 x - 1^{2} = \frac{16}{25}$ $25 x - 1^{2} = \frac{16}{25}$
11070	Resolva para x	-28=7x	$- 28 = 7 x$ $- 28 = 7 x$
11071	Resolva para X	2X+4y=3	$2 X + 4 y = 3$ $2 X + 4 y = 3$
11072	Resolva para x	2x^2+2x-12=0	$2 x^{2} + 2 x - 12 = 0$ $2 x^{2} + 2 x - 12 = 0$
11073	Resolva para n	4x*2^n=512	$4 x \cdot 2^{n} = 512$ $4 x \cdot 2^{n} = 512$
11074	Simplifier	sy	$s y$ $s y$
11075	Simplifier	tan(pi/2-x)sin(x)	$\tan (\frac{π}{2} - x) \sin (x)$ $\tan (\frac{π}{2} - x) \sin (x)$
11076	Simplifier	tan(80)sec(10)cos(80)	$\tan (80) \cdot \sec (10) \cdot \cos (80)$ $\tan (80) \cdot \sec (10) \cdot \cos (80)$
11077	Simplifier	tn	$t n$ $t n$
11078	Resolva para x	\|2x+9\|+11=30	$\| 2 x + 9 \| + 11 = 30$ $\| 2 x + 9 \| + 11 = 30$
11079	Resolva para x	\|7x+7\|+11=74	$\| 7 x + 7 \| + 11 = 74$ $\| 7 x + 7 \| + 11 = 74$
11080	Resolva para x	0.04x+0.07y=260	$0.04 x + 0.07 y = 260$ $0.04 x + 0.07 y = 260$
11081	Resolva para x	0.05x=1	$0.05 x = 1$ $0.05 x = 1$
11082	Resolva para x	0.09x=11.20+0.07x	$0.09 x = 11.2 + 0.07 x$ $0.09 x = 11.2 + 0.07 x$
11083	Resolva para x	0.159x^2+0.083x-0.421=0	$0.159 x^{2} + 0.083 x - 0.421 = 0$ $0.159 x^{2} + 0.083 x - 0.421 = 0$
11084	Resolva para x	0.7(7x+3)=1.8-(x+9)	$0.7 (7 x + 3) = 1.8 - (x + 9)$ $0.7 (7 x + 3) = 1.8 - (x + 9)$
11085	Resolva para x	0.95x+1.05y=17.80	$0.95 x + 1.05 y = 17.8$ $0.95 x + 1.05 y = 17.8$
11086	Resolva para x	0.95x=17.80	$0.95 x = 17.8$ $0.95 x = 17.8$
11087	Resolva para x	0=3.51x^2+24.4x-(8*10^12)	$0 = 3.51 x^{2} + 24.4 x - (8 \cdot 10^{12})$ $0 = 3.51 x^{2} + 24.4 x - (8 \cdot 10^{12})$
11088	Resolva para x	1.59(3.1+3.3x)=-1.12x+2.6971	$1.59 (3.1 + 3.3 x) = - 1.12 x + 2.6971$ $1.59 (3.1 + 3.3 x) = - 1.12 x + 2.6971$
11089	Resolva para x	1-9^x=0.25	$1 - 9^{x} = 0.25$ $1 - 9^{x} = 0.25$
11090	Resolva para x	1+2/x<3	$1 + \frac{2}{x} < 3$ $1 + \frac{2}{x} < 3$
11091	Resolva para x	1+2x<2(x-1)	$1 + 2 x < 2 (x - 1)$ $1 + 2 x < 2 (x - 1)$
11092	Resolva para x	1000000=(x((1.010666666666666666666667)^120-1))/0.016666666666666666666666667	$1000000 = \frac{x ({(1.010\overline{6})}^{120} - 1)}{0.01\overline{6}}$ $1000000 = \frac{x ({(1.010\overline{6})}^{120} - 1)}{0.01\overline{6}}$
11093	Resolva para x	-10x+2y>-4	$- 10 x + 2 y > - 4$ $- 10 x + 2 y > - 4$
11094	Resolva para x	-10x-10y>100	$- 10 x - 10 y > 100$ $- 10 x - 10 y > 100$
11095	Resolva para x	1200=-300x+2400	$1200 = - 300 x + 2400$ $1200 = - 300 x + 2400$
11096	Resolva para x	12-3(2x+1)=7x-3x	$12 - 3 (2 x + 1) = 7 x - 3 x$ $12 - 3 (2 x + 1) = 7 x - 3 x$
11097	Resolva para x	1-3x>22	$1 - 3 x > 22$ $1 - 3 x > 22$
11098	Resolva para x	14<5x+34	$14 < 5 x + 34$ $14 < 5 x + 34$
11099	Resolva para x	140+0.60x<60+0.80x	$140 + 0.6 x < 60 + 0.8 x$ $140 + 0.6 x < 60 + 0.8 x$
11100	Resolva para x	-15>-3x	$- 15 > - 3 x$ $- 15 > - 3 x$