Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1101	Find the Number of Possibilities	20 permute 4	${}_{20}P_{4}$
1102	Find the Number of Possibilities	24 choose 6	${}_{24}C_{6}$
1103	Find the Number of Possibilities	3(6P^4)(10C^5)	$3 \cdot (6 P^{4}) \cdot (10 C^{5})$
1104	Find the Number of Possibilities	36 choose 4	${}_{36}C_{4}$
1105	Find the Number of Possibilities	31 choose 2	${}_{31}C_{2}$
1106	Find the Number of Possibilities	30 choose 10	${}_{30}C_{10}$
1107	Find the Number of Possibilities	30 choose 4	${}_{30}C_{4}$
1108	Find the Number of Possibilities	30 choose 5	${}_{30}C_{5}$
1109	Find the Number of Possibilities	38 choose 3	${}_{38}C_{3}$
1110	Find the Number of Possibilities	3 choose 8	${}_{3}C_{8}$
1111	Find the Number of Possibilities	3 choose 4	${}_{3}C_{4}$
1112	Find the Number of Possibilities	2 choose 5	${}_{2}C_{5}$
1113	Find the Number of Possibilities	2 permute 1	${}_{2}P_{1}$
1114	Find the Number of Possibilities	2 permute 5	${}_{2}P_{5}$
1115	Find the Number of Possibilities	26 permute 7	${}_{26}P_{7}$
1116	Find the Number of Possibilities	29 permute 4	${}_{29}P_{4}$
1117	Find the Number of Possibilities	2 choose 3	${}_{2}C_{3}$
1118	Find the Number of Possibilities	26 choose 6	${}_{26}C_{6}$
1119	Find the Number of Possibilities	26 choose 9	${}_{26}C_{9}$
1120	Find the Number of Possibilities	27 choose 3	${}_{27}C_{3}$
1121	Find the Mean	45 , 67 , 83 , 76 , 45 , 52 , 66	$45$ , $67$ , $83$ , $76$ , $45$ , $52$ , $66$
1122	Find the Range	8 , 20 , 2 , 13 , 12	$8$ , $20$ , $2$ , $13$ , $12$
1123	Find the Variance	774 , 649 , 1210 , 546 , 431 , 612	$774$ , $649$ , $1210$ , $546$ , $431$ , $612$
1124	Find the Range	18%*90	$18 % \cdot 90$
1125	Find the Variance	190 , 260 , 250 , 260 , 240 , 310 , 400 , 240 , 250 , 330	$190$ , $260$ , $250$ , $260$ , $240$ , $310$ , $400$ , $240$ , $250$ , $330$
1126	Find the Standard Deviation	table[[x,P(x)],[0,21.5],[10,31.5],[14,36.6],[15,38.0],[16,39.5],[17,41.0],[18,42.6],[19,44.3],[20,46.0]]	$\begin{array}{c} x & P (x) \\ 0 & 21.5 \\ 10 & 31.5 \\ 14 & 36.6 \\ 15 & 38 \\ 16 & 39.5 \\ 17 & 41 \\ 18 & 42.6 \\ 19 & 44.3 \\ 20 & 46 \end{array}$
1127	Transpose	[[1,-3,2],[4,-6,-8]]	$[\begin{array}{c} 1 & - 3 & 2 \\ 4 & - 6 & - 8 \end{array}]$
1128	Find the Mean	1 , 4 , 7 , 10	$1$ , $4$ , $7$ , $10$
1129	Find the Variance	5 , 10 , 19 , 22 , 16 , 13 , 8 , 17	$5$ , $10$ , $19$ , $22$ , $16$ , $13$ , $8$ , $17$
1130	Find the Variance	table[[x,P(x)],[1,2],[2,3],[3,4],[4,5],[5,6]]	$\begin{array}{c} x & P (x) \\ 1 & 2 \\ 2 & 3 \\ 3 & 4 \\ 4 & 5 \\ 5 & 6 \end{array}$
1131	Find the Number of Possibilities	(A^C)^C	${(A^{C})}^{C}$
1132	Find the Linear Correlation Coefficient	table[[x,y],[1,-5],[2,-7],[3,-9],[4,-11]]	$\begin{array}{c} x & y \\ 1 & - 5 \\ 2 & - 7 \\ 3 & - 9 \\ 4 & - 11 \end{array}$
1133	Find the Linear Correlation Coefficient	table[[x,y],[1,5.8],[2,6.1],[3,7.2],[4,8.3],[5,9]]	$\begin{array}{c} x & y \\ 1 & 5.8 \\ 2 & 6.1 \\ 3 & 7.2 \\ 4 & 8.3 \\ 5 & 9 \end{array}$
1134	Find the Linear Correlation Coefficient	table[[x,y],[1,5.8],[2,6.3],[3,7.1],[4,8.3],[5,9]]	$\begin{array}{c} x & y \\ 1 & 5.8 \\ 2 & 6.3 \\ 3 & 7.1 \\ 4 & 8.3 \\ 5 & 9 \end{array}$
1135	Find the Linear Correlation Coefficient	table[[x,y],[1,2],[2,5],[3,8]]	$\begin{array}{c} x & y \\ 1 & 2 \\ 2 & 5 \\ 3 & 8 \end{array}$
1136	Find the Linear Correlation Coefficient	table[[x,t(n)],[1,1],[2,3],[3,6],[4,10],[5,15],[6,21]]	$\begin{array}{c} x & t (n) \\ 1 & 1 \\ 2 & 3 \\ 3 & 6 \\ 4 & 10 \\ 5 & 15 \\ 6 & 21 \end{array}$
1137	Find the Linear Correlation Coefficient	table[[x,y],[1,1],[2,4],[3,9],[4,16],[5,25]]	$\begin{array}{c} x & y \\ 1 & 1 \\ 2 & 4 \\ 3 & 9 \\ 4 & 16 \\ 5 & 25 \end{array}$
1138	Find the Linear Correlation Coefficient	table[[x,y],[0,1675],[1,1620],[2,1510],[3,1345],[4,1125]]	$\begin{array}{c} x & y \\ 0 & 1675 \\ 1 & 1620 \\ 2 & 1510 \\ 3 & 1345 \\ 4 & 1125 \end{array}$
1139	Find the Number of Possibilities	xPy	$x P y$
1140	Find the Number of Possibilities	nP^7	$n P^{7}$
1141	Find the Number of Possibilities	nPr	$n P r$
1142	Graph the Line Segment	(5,2) , (5,3)	$(5, 2)$ , $(5, 3)$
1143	Use the Table to Find the z-Score	55	$55$
1144	Find the Linear Correlation Coefficient	table[[x,y],[7,50],[12,90]]	$\begin{array}{c} x & y \\ 7 & 50 \\ 12 & 90 \end{array}$
1145	Find the Linear Correlation Coefficient	table[[x,y],[-2,4],[-1,1],[0,0],[1,1],[2,4]]	$\begin{array}{c} x & y \\ - 2 & 4 \\ - 1 & 1 \\ 0 & 0 \\ 1 & 1 \\ 2 & 4 \end{array}$
1146	Find the Regression Line	table[[x,y],[0,1],[1,-2],[2,-5],[3,-8]]	$\begin{array}{c} x & y \\ 0 & 1 \\ 1 & - 2 \\ 2 & - 5 \\ 3 & - 8 \end{array}$
1147	Find the Linear Correlation Coefficient	table[[x,y],[186,495],[181,477],[176,425],[149,322],[184,482],[190,587],[158,370],[139,322]]	$\begin{array}{c} x & y \\ 186 & 495 \\ 181 & 477 \\ 176 & 425 \\ 149 & 322 \\ 184 & 482 \\ 190 & 587 \\ 158 & 370 \\ 139 & 322 \end{array}$
1148	Find the Linear Correlation Coefficient	table[[x,y],[1,5],[2,4.5],[3,3],[5,2.5],[6,2],[7,1.5],[8,1]]	$\begin{array}{c} x & y \\ 1 & 5 \\ 2 & 4.5 \\ 3 & 3 \\ 5 & 2.5 \\ 6 & 2 \\ 7 & 1.5 \\ 8 & 1 \end{array}$
1149	Find the Regression Line	table[[x,y],[0,98],[1,77],[2,61],[3,48],[4,38]]	$\begin{array}{c} x & y \\ 0 & 98 \\ 1 & 77 \\ 2 & 61 \\ 3 & 48 \\ 4 & 38 \end{array}$
1150	Find the Regression Line	table[[x,y],[1,2],[2,3],[3,5],[4,6],[5,10],[6,15]]	$\begin{array}{c} x & y \\ 1 & 2 \\ 2 & 3 \\ 3 & 5 \\ 4 & 6 \\ 5 & 10 \\ 6 & 15 \end{array}$
1151	Find the Number of Possibilities	9 permute 1	${}_{9}P_{1}$
1152	Find the Number of Possibilities	9 permute 11	${}_{9}P_{11}$
1153	Find the Number of Possibilities	9 permute 9	${}_{9}P_{9}$
1154	Find the Number of Possibilities	9 permute 8	${}_{9}P_{8}$
1155	Find the Number of Possibilities	nP^0	$n P^{0}$
1156	Find the Number of Possibilities	P , (13,2)	$P$ , $(13, 2)$
1157	Find the Number of Possibilities	8 permute 7	${}_{8}P_{7}$
1158	Find the Number of Possibilities	80 choose 3	${}_{80}C_{3}$
1159	Find the Number of Possibilities	7 choose 7	${}_{7}C_{7}$
1160	Find the Number of Possibilities	7 permute 1	${}_{7}P_{1}$
1161	Find the Number of Possibilities	7 choose 8	${}_{7}C_{8}$
1162	Find the Number of Possibilities	6 permute 0	${}_{6}P_{0}$
1163	Find the Number of Possibilities	6Pr	$6 P r$
1164	Find the Number of Possibilities	52 permute 2	${}_{52}P_{2}$
1165	Find the Number of Possibilities	53 choose 3	${}_{53}C_{3}$
1166	Find the Number of Possibilities	54 choose 5	${}_{54}C_{5}$
1167	Find the Number of Possibilities	51 permute 5	${}_{51}P_{5}$
1168	Find the Number of Possibilities	52 choose 1	${}_{52}C_{1}$
1169	Find the Number of Possibilities	52 choose 2	${}_{52}C_{2}$
1170	Find the Number of Possibilities	55 choose 6	${}_{55}C_{6}$
1171	Find the Number of Possibilities	57 choose 3	${}_{57}C_{3}$
1172	Find the Number of Possibilities	5 choose 15	${}_{5}C_{15}$
1173	Find the Number of Possibilities	(5P^3)/(5P^4)	$\frac{5 P^{3}}{5 P^{4}}$
1174	Find the Number of Possibilities	5 choose 9	${}_{5}C_{9}$
1175	Find the Number of Possibilities	5 permute 7	${}_{5}P_{7}$
1176	Find the Number of Possibilities	67 choose 6	${}_{67}C_{6}$
1177	Find the Number of Possibilities	44 choose 4	${}_{44}C_{4}$
1178	Find the Number of Possibilities	45 choose 7	${}_{45}C_{7}$
1179	Find the Number of Possibilities	45 choose 2	${}_{45}C_{2}$
1180	Find the Number of Possibilities	48 choose 3	${}_{48}C_{3}$
1181	Find the Number of Possibilities	47 choose 6	${}_{47}C_{6}$
1182	Find the Number of Possibilities	3 permute 0	${}_{3}P_{0}$
1183	Find the Number of Possibilities	3 permute 7	${}_{3}P_{7}$
1184	Find the Number of Possibilities	40 choose 4	${}_{40}C_{4}$
1185	Find the Number of Possibilities	40 choose 5	${}_{40}C_{5}$
1186	Find the Number of Possibilities	3 permute 4	${}_{3}P_{4}$
1187	Find the Number of Possibilities	3 permute 5	${}_{3}P_{5}$
1188	Find the Number of Possibilities	42 choose 4	${}_{42}C_{4}$
1189	Find the Number of Possibilities	50 choose 7	${}_{50}C_{7}$
1190	Find the Number of Possibilities	50 choose 10	${}_{50}C_{10}$
1191	Find the Number of Possibilities	5C^4	$5 C^{4}$
1192	Find the Number of Possibilities	48 choose 5	${}_{48}C_{5}$
1193	Find the Number of Possibilities	39 choose 7	${}_{39}C_{7}$
1194	Find the Number of Possibilities	12C^2(10C^2)(8C^2)*(6C^2)	$12 C^{2} \cdot (10 C^{2}) \cdot (8 C^{2}) \cdot (6 C^{2})$
1195	Find the Number of Possibilities	4C^3*1/(3^3Q)	$4 C^{3} \cdot \frac{1}{3^{3} Q}$
1196	Find the Number of Possibilities	4C^2*(3C^2)	$4 C^{2} \cdot (3 C^{2})$
1197	Find the Number of Possibilities	4 choose 20	${}_{4}C_{20}$
1198	Find the Number of Possibilities	4 choose 7	${}_{4}C_{7}$
1199	Find the Number of Possibilities	4 choose 8	${}_{4}C_{8}$
1200	Find the Number of Possibilities	4 choose 9	${}_{4}C_{9}$