Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
13201	Solve for x	sin(48)=16/x	$\sin (48) = \frac{16}{x}$
13202	Solve for x	sin(50)=6/x	$\sin (50) = \frac{6}{x}$
13203	Solve for x	sin(55)=x/32	$\sin (55) = \frac{x}{32}$
13204	Solve for x	sin(52)=x/15	$\sin (52) = \frac{x}{15}$
13205	Solve for x	sin(60)=11/x	$\sin (60) = \frac{11}{x}$
13206	Solve for x	sin(60)=9/x	$\sin (60) = \frac{9}{x}$
13207	Solve for x	sin(4x+2)csc(3x+5)=1	$\sin (4 x + 2) \csc (3 x + 5) = 1$
13208	Solve for x	sin(60)=x/30	$\sin (60) = \frac{x}{30}$
13209	Solve for x	natural log of 2x-1- natural log of x+3=2	$\ln (2 x - 1) - \ln (x + 3) = 2$
13210	Solve for x	natural log of 2x-2=-6	$\ln (2 x - 2) = - 6$
13211	Solve for x	natural log of x+ natural log of (x)^2=6	$\ln (x) + \ln ({(x)}^{2}) = 6$
13212	Solve for x	natural log of 1-x+ natural log of 7-x = natural log of 16	$\ln (1 - x) + \ln (7 - x) = \ln (16)$
13213	Solve for x	natural log of x+1- natural log of x=2	$\ln (x + 1) - \ln (x) = 2$
13214	Solve for x	natural log of x+ natural log of x-2=0	$\ln (x) + \ln (x - 2) = 0$
13215	Solve for x	csc(x)-2cot(x)=0	$\csc (x) - 2 \cot (x) = 0$
13216	Solve for x	csc(x)sin(x)=1	$\csc (x) \sin (x) = 1$
13217	Solve for x	natural log of square root of x+4=1	$\ln (\sqrt{x + 4}) = 1$
13218	Solve for x	k=1/2*(kx^2)	$k = \frac{1}{2} \cdot (k x^{2})$
13219	Solve for x	csc(x)tan(x)=sec(x)	$\csc (x) \tan (x) = \sec (x)$
13220	Solve for x	natural log of x^2-5 = natural log of 4x	$\ln (x^{2} - 5) = \ln (4 x)$
13221	Solve for x	log of x^7 = log of (x)^2	$\log (x^{7}) = \log ({(x)}^{2})$
13222	Solve for x	log of 2x^2+3x = log of 14x+63	$\log (2 x^{2} + 3 x) = \log (14 x + 63)$
13223	Solve for x	log of 3x-1+ log of x+2=1	$\log (3 x - 1) + \log (x + 2) = 1$
13224	Solve for x	log of 2x- log of 3 = log of x-7	$\log (2 x) - \log (3) = \log (x - 7)$
13225	Solve for x	log of 5x-1=2+ log of x-2	$\log (5 x - 1) = 2 + \log (x - 2)$
13226	Solve for x	log of 4sin(x)=-0.5	$\log (4) \sin (x) = - 0.5$
13227	Solve for x	log of 5x-1*4=1/3	$\log (5 x - 1) \cdot 4 = \frac{1}{3}$
13228	Solve for x	log of 2x^2+4x = log of 15x+90	$\log (2 x^{2} + 4 x) = \log (15 x + 90)$
13229	Solve for x	log of 2x^4- log of x^2 = log of 18+ log of x	$\log (2 x^{4}) - \log (x^{2}) = \log (18) + \log (x)$
13230	Solve for x	natural log of x+1=1.86	$\ln (x + 1) = 1.86$
13231	Solve for x	natural log of x+8+ natural log of x-1=2 natural log of x	$\ln (x + 8) + \ln (x - 1) = 2 \ln (x)$
13232	Solve for x	log of (3^(2x-3))/5 = log of 2x+1	$\log (\frac{3^{2 x - 3}}{5}) = \log (2 x + 1)$
13233	Solve for x	log of 3^(x+8) = log of 5	$\log (3^{x + 8}) = \log (5)$
13234	Solve for x	log of x/100=6	$\log (\frac{x}{100}) = 6$
13235	Solve for x	log of (x-5)/(x-8) = log of 2	$\log (\frac{x - 5}{x - 8}) = \log (2)$
13236	Solve for x	log of y^2-1-3 log of x=-2 log of y+1+ log of 9x+xy	$\log (y^{2} - 1) - 3 \log (x) = - 2 \log (y + 1) + \log (9 x + x y)$
13237	Solve for x	log of x^2+19=2	$\log (x^{2} + 19) = 2$
13238	Solve for x	log of x^3=y	$\log (x^{3}) = y$
13239	Solve for x	sin(x/2) = square root of (1-cos(x))/2	$\sin (\frac{x}{2}) = \sqrt{\frac{1 - \cos (x)}{2}}$
13240	Solve for x	sin(x/2)-cos(x/2)=0	$\sin (\frac{x}{2}) - \cos (\frac{x}{2}) = 0$
13241	Solve for x	sin(x/6)=0	$\sin (\frac{x}{6}) = 0$
13242	Solve for x	sin(10)=x/200	$\sin (10) = \frac{x}{200}$
13243	Solve for x	sin(x/2)=-1/2	$\sin (\frac{x}{2}) = - \frac{1}{2}$
13244	Solve for x	sin(x/2)=( square root of 2)/2	$\sin (\frac{x}{2}) = \frac{\sqrt{2}}{2}$
13245	Solve for x	sec(x)csc(x)-2csc(x)=0	$\sec (x) \csc (x) - 2 \csc (x) = 0$
13246	Solve for x	sec(x)sin(x)=2sin(x)	$\sec (x) \sin (x) = 2 \sin (x)$
13247	Solve for x	sin(pi/2-x)=cos(x)	$\sin (\frac{π}{2} - x) = \cos (x)$
13248	Solve for x	sin(pi/4x)=0	$\sin (\frac{π}{4} x) = 0$
13249	Solve for x	sin((pi/2)-x)=cos(x)	$\sin ((\frac{π}{2}) - x) = \cos (x)$
13250	Solve for x	sec(x)-sin(x)tan(x)=cos(x)	$\sec (x) - \sin (x) \tan (x) = \cos (x)$
13251	Solve for x	sec(x)+tan(x)=0	$\sec (x) + \tan (x) = 0$
13252	Solve for x	sec(x)=1+tan(x)	$\sec (x) = 1 + \tan (x)$
13253	Solve for x	sec(x)cot(x)+2=0	$\sec (x) \cot (x) + 2 = 0$
13254	Solve for x	sec(x)=1.5	$\sec (x) = 1.5$
13255	Solve for x	sec(x)+2=0	$\sec (x) + 2 = 0$
13256	Solve for x	sec(x)=1/3	$\sec (x) = \frac{1}{3}$
13257	Solve for x	sec(8x)=2	$\sec (8 x) = 2$
13258	Solve for x	sec(pix)=2	$\sec (π x) = 2$
13259	Solve for x	( log of x*1)/6=-1	$\frac{\log (x) \cdot 1}{6} = - 1$
13260	Solve for x	log of x+ log of x-4 = log of 21	$\log (x) + \log (x - 4) = \log (21)$
13261	Solve for x	log of 6x+5- log of x-1=1	$\log (6 x + 5) - \log (x - 1) = 1$
13262	Solve for x	log of 8x- log of 5+ square root of x=2	$\log (8 x) - \log (5 + \sqrt{x}) = 2$
13263	Solve for x	log of x- log of 4=0	$\log (x) - \log (4) = 0$
13264	Solve for x	sec((5pi)/3-(3pi)/4)=csc(x)	$\sec (\frac{5 π}{3} - \frac{3 π}{4}) = \csc (x)$
13265	Solve for x	p(3800000)=x^2-4000x+7800000	$p (3800000) = x^{2} - 4000 x + 7800000$
13266	Solve for x	log of x+6 = log of 5x-2	$\log (x + 6) = \log (5 x - 2)$
13267	Solve for x	log of xy=100	$\log (x y) = 100$
13268	Solve for x	sec(2x)=3	$\sec (2 x) = 3$
13269	Solve for x	log of x- log of 2=2	$\log (x) - \log (2) = 2$
13270	Solve for x	log of x+2- log of x-5=3	$\log (x + 2) - \log (x - 5) = 3$
13271	Solve for x	log of x+9- log of 2 = log of 5x+1	$\log (x + 9) - \log (2) = \log (5 x + 1)$
13272	Solve for x	p=99-0.05(x-1000)	$p = 99 - 0.05 (x - 1000)$
13273	Solve for x	x=32yz	$x = 32 y z$
13274	Solve for x	x=arcsin(( square root of 3)/2)	$x = \arcsin (\frac{\sqrt{3}}{2})$
13275	Solve for x	x = square root of 6-x	$x = \sqrt{6 - x}$
13276	Solve for x	x = square root of 20-2x-2	$x = \sqrt{20 - 2 x} - 2$
13277	Solve for x	x=arcsin(24/29)	$x = \arcsin (\frac{24}{29})$
13278	Solve for x	x=arcsin(27/32)	$x = \arcsin (\frac{27}{32})$
13279	Solve for x	x=6/(sin(141))*sin(94)	$x = \frac{6}{\sin (141)} \cdot \sin (94)$
13280	Solve for x	x=arccos(1/2)	$x = \arccos (\frac{1}{2})$
13281	Solve for x	x=56/(tan(43))	$x = \frac{56}{\tan (43)}$
13282	Solve for x	x=9.9/(tan(2.1))	$x = \frac{9.9}{\tan (2.1)}$
13283	Solve for x	x=60/(sin(80))	$x = \frac{60}{\sin (80)}$
13284	Solve for x	x=77/(cos(38.5))	$x = \frac{77}{\cos (38.5)}$
13285	Solve for x	x=250/(tan(25))	$x = \frac{250}{\tan (25)}$
13286	Solve for x	x+p=2p	$x + p = 2 p$
13287	Solve for x	x=38.5/(cos(19))	$x = \frac{38.5}{\cos (19)}$
13288	Solve for x	x+5-8x=26	$x + 5 - 8 x = 26$
13289	Solve for x	x=12/(tan(70))	$x = \frac{12}{\tan (70)}$
13290	Solve for x	x=1/2960	$x = \frac{1}{2} \cdot 9 \cdot 60$
13291	Solve for x	x=26/(sin(36))	$x = \frac{26}{\sin (36)}$
13292	Solve for x	x+4/2=20	$x + \frac{4}{2} = 20$
13293	Solve for x	x+2i-y=yi-3xi	$x + 2 i - y = y i - 3 x i$
13294	Solve for x	x square root of 2=6	$x \sqrt{2} = 6$
13295	Solve for x	x- square root of 4x-3=4	$x - \sqrt{4 x - 3} = 4$
13296	Solve for x	x+(x+2)+(x+4)+(x+6)=84	$x + (x + 2) + (x + 4) + (x + 6) = 84$
13297	Solve for x	x-pi/3=2pi	$x - \frac{π}{3} = 2 π$
13298	Solve for x	x(tan(47)-tan(17))=389tan(17)	$x (\tan (47) - \tan (17)) = 389 \tan (17)$
13299	Solve for x	tg(x)=2	$t g (x) = 2$
13300	Solve for x	tan(x) = square root of 3/3cos(x)=- square root of 3/2	$\tan (x) = \sqrt{\frac{3}{3}} \cos (x) = - \sqrt{\frac{3}{2}}$