Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
7401	Resolva para g	16g=192	$16 g = 192$ $16 g = 192$
7402	Resolva para g	3g=15	$3 g = 15$ $3 g = 15$
7403	Resolva para g	-8+8g=56	$- 8 + 8 g = 56$ $- 8 + 8 g = 56$
7404	Resolva para h	30^2=h^2+h^2	$30^{2} = h^{2} + h^{2}$ $30^{2} = h^{2} + h^{2}$
7405	Trouver le volume	sphère (56)	 $\begin{array}{r} r = & 56 \end{array}$ $\begin{array}{r} r = & 56 \end{array}$
7406	Resolva para b	14b=16(b+12)	$14 b = 16 (b + 12)$ $14 b = 16 (b + 12)$
7407	Resolva para c	1.3c=3.3+2.8	$1.3 c = 3.3 + 2.8$ $1.3 c = 3.3 + 2.8$
7408	Resolva para c	2^2*10^2=c^2	$2^{2} \cdot 10^{2} = c^{2}$ $2^{2} \cdot 10^{2} = c^{2}$
7409	Resolva para c	(9-c)/-2=3-c	$\frac{9 - c}{- 2} = 3 - c$ $\frac{9 - c}{- 2} = 3 - c$
7410	Resolva para c	3c-3(c-1)-4(c+3)=3*(1-c)-4c	$3 c - 3 \cdot (c - 1) - 4 \cdot (c + 3) = 3 \cdot (1 - c) - 4 c$ $3 c - 3 \cdot (c - 1) - 4 \cdot (c + 3) = 3 \cdot (1 - c) - 4 c$
7411	Resolva para c	9c=90	$9 c = 90$ $9 c = 90$
7412	Resolva para c	2 racine carrée de 21-c- racine carrée de 3c-6=5	$2 \sqrt{21 - c} - \sqrt{3 c - 6} = 5$ $2 \sqrt{21 - c} - \sqrt{3 c - 6} = 5$
7413	Resolva para c	-5=9+c/4	$- 5 = 9 + \frac{c}{4}$ $- 5 = 9 + \frac{c}{4}$
7414	Resolva para d	(7d)/4-(3d)/8=1	$\frac{7 d}{4} - \frac{3 d}{8} = 1$ $\frac{7 d}{4} - \frac{3 d}{8} = 1$
7415	Resolva para c	-4c-9.6+5c=0	$- 4 c - 9.6 + 5 c = 0$ $- 4 c - 9.6 + 5 c = 0$
7416	Resolva para d	13-3d=-8	$13 - 3 d = - 8$ $13 - 3 d = - 8$
7417	Resolva para D	51.3 = square root of 30D0.875*1	$51.3 = \sqrt{30 \cdot D \cdot 0.875 \cdot 1}$ $51.3 = \sqrt{30 \cdot D \cdot 0.875 \cdot 1}$
7418	Resolva para d	d-6=15	$d - 6 = 15$ $d - 6 = 15$
7419	Resolva para d	d-12=-14	$d - 12 = - 14$ $d - 12 = - 14$
7420	Resolva para a	6a-10=2a-7	$6 a - 10 = 2 a - 7$ $6 a - 10 = 2 a - 7$
7421	Soustraire	-1+2	$- 1 + 2$ $- 1 + 2$
7422	Transformer en une fraction impropre	3 1/2	$3 \frac{1}{2}$ $3 \frac{1}{2}$
7423	Resolva para A	3 2/3*(12-A)=43	$3 \frac{2}{3} \cdot (12 - A) = 43$ $3 \frac{2}{3} \cdot (12 - A) = 43$
7424	Resolva para a	0.2a-0.12=0.04a+0.36	$0.2 a - 0.12 = 0.04 a + 0.36$ $0.2 a - 0.12 = 0.04 a + 0.36$
7425	Resolva para a	2a-1=4(a+1)+7a+5	$2 a - 1 = 4 (a + 1) + 7 a + 5$ $2 a - 1 = 4 (a + 1) + 7 a + 5$
7426	Resolva para a	a=1/2*(h(B+b))	$a = \frac{1}{2} \cdot (h (B + b))$ $a = \frac{1}{2} \cdot (h (B + b))$
7427	Resolva para a	7a-4=84	$7 a - 4 = 84$ $7 a - 4 = 84$
7428	Resolva para a	5/a+1/a=6	$\frac{5}{a} + \frac{1}{a} = 6$ $\frac{5}{a} + \frac{1}{a} = 6$
7429	Resolva para a	a^3=8	$a^{3} = 8$ $a^{3} = 8$
7430	Resolva para a	17=9-a	$17 = 9 - a$ $17 = 9 - a$
7431	Resolva para a	414÷a=-18	$414 \div a = - 18$ $414 \div a = - 18$
7432	Resolva para b	y=mx+b	$y = m x + b$ $y = m x + b$
7433	Resolva para b	3b+4.4=2.6-6b	$3 b + 4.4 = 2.6 - 6 b$ $3 b + 4.4 = 2.6 - 6 b$
7434	Resolva para b	5(3b-10)=10	$5 (3 b - 10) = 10$ $5 (3 b - 10) = 10$
7435	Resolva para b	b+(-14)=25	$b + (- 14) = 25$ $b + (- 14) = 25$
7436	Resolva para b	20/100=b/52.41	$\frac{20}{100} = \frac{b}{52.41}$ $\frac{20}{100} = \frac{b}{52.41}$
7437	Resolva para a	k=420cos(a+b)-455cos(a)	$k = 420 \cdot \cos (a + b) - 455 \cdot \cos (a)$ $k = 420 \cdot \cos (a + b) - 455 \cdot \cos (a)$
7438	Resolva para b	7/(b+5)=10/5	$\frac{7}{b + 5} = \frac{10}{5}$ $\frac{7}{b + 5} = \frac{10}{5}$
7439	Resolva para b	b/14=21	$\frac{b}{14} = 21$ $\frac{b}{14} = 21$
7440	Resolva para b	b/7=-11	$\frac{b}{7} = - 11$ $\frac{b}{7} = - 11$
7441	Resolva para b	28/b+9=16	$\frac{28}{b} + 9 = 16$ $\frac{28}{b} + 9 = 16$
7442	Resolva para a	7=2(a+5)	$7 = 2 (a + 5)$ $7 = 2 (a + 5)$
7443	Resolva para A	A=3 racine carrée de 11+5 racine carrée de 44-3 racine carrée de 99	$A = 3 \sqrt{11} + 5 \sqrt{44} - 3 \sqrt{99}$ $A = 3 \sqrt{11} + 5 \sqrt{44} - 3 \sqrt{99}$
7444	Resolva para A	P=F/A	$P = \frac{F}{A}$ $P = \frac{F}{A}$
7445	Soustraire	5-5	$5 - 5$ $5 - 5$
7446	Soustraire	6 3/8-4 5/8	$6 \frac{3}{8} - 4 \frac{5}{8}$ $6 \frac{3}{8} - 4 \frac{5}{8}$
7447	Soustraire	-4-7	$- 4 - 7$ $- 4 - 7$
7448	Arrondir au dixième le plus proche	0.56	$0.56$ $0.56$
7449	Évaluer	36÷(3/4)	$36 \div \frac{3}{4}$ $36 \div \frac{3}{4}$
7450	Évaluer	21/36	$\frac{21}{36}$ $\frac{21}{36}$
7451	Évaluer	375/500	$\frac{375}{500}$ $\frac{375}{500}$
7452	Évaluer	(-4+12÷(-3))/(10+3(-2))	$\frac{- 4 + 12 \div (- 3)}{10 + 3 (- 2)}$ $\frac{- 4 + 12 \div (- 3)}{10 + 3 (- 2)}$
7453	Évaluer	-4^2+4(-4)+8	$- 4^{2} + 4 (- 4) + 8$ $- 4^{2} + 4 (- 4) + 8$
7454	Écrire en notation scientifique	-653	$- 653$ $- 653$
7455	Trouver le volume	cylindre (14)(6)	 $\begin{array}{r} h = & 14 \\ r = & 6 \end{array}$ $\begin{array}{r} h = & 14 \\ r = & 6 \end{array}$
7456	Trouver le volume	boîte (9)(8)(8)	 $\begin{array}{r} h = & 9 \\ l = & 8 \\ w = & 8 \end{array}$ $\begin{array}{r} h = & 9 \\ l = & 8 \\ w = & 8 \end{array}$
7457	Trouver l'aire	rectangle (25m)(1.56cm)	 $\begin{array}{r} l = & 25 m \\ w = & 1.56 cm \end{array}$ $\begin{array}{r} l = & 25 m \\ w = & 1.56 cm \end{array}$
7458	Trouver l'aire	rectangle (60)(60)	 $\begin{array}{r} l = & 60 \\ w = & 60 \end{array}$ $\begin{array}{r} l = & 60 \\ w = & 60 \end{array}$
7459	Trouver l'aire	triangle (6)(9)	 $\begin{array}{r} b = & 9 \\ h = & 6 \end{array}$ $\begin{array}{r} b = & 9 \\ h = & 6 \end{array}$
7460	Déterminer si c'est premier ou composé	79	$79$ $79$
7461	Ajouter	1/5+7/10	$\frac{1}{5} + \frac{7}{10}$ $\frac{1}{5} + \frac{7}{10}$
7462	Ajouter	1/2+2/3	$\frac{1}{2} + \frac{2}{3}$ $\frac{1}{2} + \frac{2}{3}$
7463	Soustraire	5/9-2/9	$\frac{5}{9} - \frac{2}{9}$ $\frac{5}{9} - \frac{2}{9}$
7464	Soustraire	5/6-5/9	$\frac{5}{6} - \frac{5}{9}$ $\frac{5}{6} - \frac{5}{9}$
7465	Simplifier	0.8*106.00	$0.8 \cdot 106$ $0.8 \cdot 106$
7466	Simplifier	0.6*147.00	$0.6 \cdot 147$ $0.6 \cdot 147$
7467	Multiplier	5/6*1/2	$\frac{5}{6} \cdot \frac{1}{2}$ $\frac{5}{6} \cdot \frac{1}{2}$
7468	Multiplier	(y-5)(y+5)	$(y - 5) (y + 5)$ $(y - 5) (y + 5)$
7469	Multiplier	(y-3)(y+3)	$(y - 3) (y + 3)$ $(y - 3) (y + 3)$
7470	Multiplier	3.5*3.5	$3.5 \cdot 3.5$ $3.5 \cdot 3.5$
7471	Multiplier	(y^3+729)/(y^2-81)*(y-9)/(9y)	$\frac{y^{3} + 729}{y^{2} - 81} \cdot \frac{y - 9}{9 y}$ $\frac{y^{3} + 729}{y^{2} - 81} \cdot \frac{y - 9}{9 y}$
7472	Multiplier	24*12	$24 \cdot 12$ $24 \cdot 12$
7473	Factoriser	3n-2	$3 n - 2$ $3 n - 2$
7474	Diviser	(3/j)÷(9/j)	$\frac{3}{j} \div \frac{9}{j}$ $\frac{3}{j} \div \frac{9}{j}$
7475	Soustraire	1-1/8	$1 - \frac{1}{8}$ $1 - \frac{1}{8}$
7476	Transformer en une fraction impropre	2 1/4	$2 \frac{1}{4}$ $2 \frac{1}{4}$
7477	Transformer en une fraction impropre	2 1/3	$2 \frac{1}{3}$ $2 \frac{1}{3}$
7478	Resolva para ?	sin(pi/2+theta)=-tan(theta)	$\sin (\frac{π}{2} + θ) = - \tan (θ)$ $\sin (\frac{π}{2} + θ) = - \tan (θ)$
7479	Simplifier	20-3.05-9.5	$20 - 3.05 - 9.5$ $20 - 3.05 - 9.5$
7480	Simplifier	0.45*113.00	$0.45 \cdot 113$ $0.45 \cdot 113$
7481	Resolva para a	(6a-(a-8))/6=(-2a-17)/3+a	$\frac{6 a - (a - 8)}{6} = \frac{- 2 a - 17}{3} + a$ $\frac{6 a - (a - 8)}{6} = \frac{- 2 a - 17}{3} + a$
7482	Resolva para a	7/(2a+8)=1/(6-1)	$\frac{7}{2 a + 8} = \frac{1}{6 - 1}$ $\frac{7}{2 a + 8} = \frac{1}{6 - 1}$
7483	Resolva para a	a/40=25/100	$\frac{a}{40} = \frac{25}{100}$ $\frac{a}{40} = \frac{25}{100}$
7484	Simplifier	racine cubique de 49^2	$\sqrt[3]{49^{2}}$ $\sqrt[3]{49^{2}}$
7485	Multiplier	3/7*28	$\frac{3}{7} \cdot 28$ $\frac{3}{7} \cdot 28$
7486	Multiplier	(y^2-2y-8)/(5y^3-3y^2)*(25y^3-9y)/(4y-16)	$\frac{y^{2} - 2 y - 8}{5 y^{3} - 3 y^{2}} \cdot \frac{25 y^{3} - 9 y}{4 y - 16}$ $\frac{y^{2} - 2 y - 8}{5 y^{3} - 3 y^{2}} \cdot \frac{25 y^{3} - 9 y}{4 y - 16}$
7487	Multiplier	8*13	$8 \cdot 13$ $8 \cdot 13$
7488	Multiplier	(y)(8xy-8x-5)	$(y) (8 x y - 8 x - 5)$ $(y) (8 x y - 8 x - 5)$
7489	Trouver le quartile supérieur ou troisième quartile	11 , 13 , 5 , 15 , 14	$11$ $11$ , $13$ $13$ , $5$ $5$ , $15$ $15$ , $14$ $14$
7490	Trouver le volume	cône (81)(10)	 $\begin{array}{r} h = & 81 \\ r = & 10 \end{array}$ $\begin{array}{r} h = & 81 \\ r = & 10 \end{array}$
7491	Trouver l'aire	cylindre (2)(4)	 $\begin{array}{r} h = & 2 \\ r = & 4 \end{array}$ $\begin{array}{r} h = & 2 \\ r = & 4 \end{array}$
7492	Trouver la circonférence	cercle (2.6)	 $\begin{array}{r} r = & 2.6 \end{array}$ $\begin{array}{r} r = & 2.6 \end{array}$
7493	Ajouter	5/6+3/4	$\frac{5}{6} + \frac{3}{4}$ $\frac{5}{6} + \frac{3}{4}$
7494	Soustraire	5/6-2/3	$\frac{5}{6} - \frac{2}{3}$ $\frac{5}{6} - \frac{2}{3}$
7495	Ajouter	-4+12	$- 4 + 12$ $- 4 + 12$
7496	Évaluer	12/12	$\frac{12}{12}$ $\frac{12}{12}$
7497	Évaluer	120÷4	$120 \div 4$ $120 \div 4$
7498	Évaluer	16÷5	$16 \div 5$ $16 \div 5$
7499	Arrondir au centième le plus proche	0.66	$0.66$ $0.66$
7500	Transformer en une fraction impropre	3 1/3	$3 \frac{1}{3}$ $3 \frac{1}{3}$