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Algebra

The use of letters to substitute unknown numbers to form an equation. Solve the equation to get the unknown number using different methods such as simultaneous equations and more.

227,579 Questions

Is y (3 2) a trinomial with a constant term?

The expression ( y = 3x^2 ) is not a trinomial; it is a monomial because it contains only one term. A trinomial consists of three terms, typically a quadratic expression of the form ( ax^2 + bx + c ). Since there is no constant term present in the expression given, it does not qualify as a trinomial.

What is patterning and algebra?

Patterning and algebra involve recognizing and utilizing relationships between numbers and variables to express mathematical concepts. Patterning refers to identifying sequences and regularities in data, which helps in making predictions or solving problems. Algebra extends this idea by using symbols and letters to represent numbers and formulate equations, allowing for the manipulation and analysis of mathematical relationships. Together, they form foundational skills in mathematics that are essential for more complex problem-solving.

When we rewrite an expression so that it has no grouping symbols and all of the like terms have been combined we it?

When we rewrite an expression to eliminate grouping symbols and combine like terms, we are simplifying the expression. This process makes it easier to understand and work with by presenting the expression in its most concise form. The result is often referred to as the "simplified form" of the expression.

List of combinations for 3 wheel lock with digits 0 to 9?

A 3-wheel lock with each wheel having digits from 0 to 9 means each wheel can have 10 possible values (0 through 9). To find the total number of combinations, you calculate:

10 x 10 x 10 = 1000

So, there are 1000 possible combinations. Here's a list of all combinations from 000 to 999:

000, 001, 002, 003, 004, 005, 006, 007, 008, 009,

010, 011, 012, 013, 014, 015, 016, 017, 018, 019,

020, 021, 022, 023, 024, 025, 026, 027, 028, 029,

030, 031, 032, 033, 034, 035, 036, 037, 038, 039,

040, 041, 042, 043, 044, 045, 046, 047, 048, 049,

050, 051, 052, 053, 054, 055, 056, 057, 058, 059,

060, 061, 062, 063, 064, 065, 066, 067, 068, 069,

070, 071, 072, 073, 074, 075, 076, 077, 078, 079,

080, 081, 082, 083, 084, 085, 086, 087, 088, 089,

090, 091, 092, 093, 094, 095, 096, 097, 098, 099,

100, 101, 102, 103, 104, 105, 106, 107, 108, 109,

110, 111, 112, 113, 114, 115, 116, 117, 118, 119,

120, 121, 122, 123, 124, 125, 126, 127, 128, 129,

130, 131, 132, 133, 134, 135, 136, 137, 138, 139,

140, 141, 142, 143, 144, 145, 146, 147, 148, 149,

150, 151, 152, 153, 154, 155, 156, 157, 158, 159,

160, 161, 162, 163, 164, 165, 166, 167, 168, 169,

170, 171, 172, 173, 174, 175, 176, 177, 178, 179,

180, 181, 182, 183, 184, 185, 186, 187, 188, 189,

190, 191, 192, 193, 194, 195, 196, 197, 198, 199,

200, 201, 202, 203, 204, 205, 206, 207, 208, 209,

210, 211, 212, 213, 214, 215, 216, 217, 218, 219,

220, 221, 222, 223, 224, 225, 226, 227, 228, 229,

230, 231, 232, 233, 234, 235, 236, 237, 238, 239,

240, 241, 242, 243, 244, 245, 246, 247, 248, 249,

250, 251, 252, 253, 254, 255, 256, 257, 258, 259,

260, 261, 262, 263, 264, 265, 266, 267, 268, 269,

270, 271, 272, 273, 274, 275, 276, 277, 278, 279,

280, 281, 282, 283, 284, 285, 286, 287, 288, 289,

290, 291, 292, 293, 294, 295, 296, 297, 298, 299,

300, 301, 302, 303, 304, 305, 306, 307, 308, 309,

310, 311, 312, 313, 314, 315, 316, 317, 318, 319,

320, 321, 322, 323, 324, 325, 326, 327, 328, 329,

330, 331, 332, 333, 334, 335, 336, 337, 338, 339,

340, 341, 342, 343, 344, 345, 346, 347, 348, 349,

350, 351, 352, 353, 354, 355, 356, 357, 358, 359,

360, 361, 362, 363, 364, 365, 366, 367, 368, 369,

370, 371, 372, 373, 374, 375, 376, 377, 378, 379,

380, 381, 382, 383, 384, 385, 386, 387, 388, 389,

390, 391, 392, 393, 394, 395, 396, 397, 398, 399,

400, 401, 402, 403, 404, 405, 406, 407, 408, 409,

410, 411, 412, 413, 414, 415, 416, 417, 418, 419,

420, 421, 422, 423, 424, 425, 426, 427, 428, 429,

430, 431, 432, 433, 434, 435, 436, 437, 438, 439,

440, 441, 442, 443, 444, 445, 446, 447, 448, 449,

450, 451, 452, 453, 454, 455, 456, 457, 458, 459,

460, 461, 462, 463, 464, 465, 466, 467, 468, 469,

470, 471, 472, 473, 474, 475, 476, 477, 478, 479,

480, 481, 482, 483, 484, 485, 486, 487, 488, 489,

490, 491, 492, 493, 494, 495, 496, 497, 498, 499,

500, 501, 502, 503, 504, 505, 506, 507, 508, 509,

510, 511, 512, 513, 514, 515, 516, 517, 518, 519,

520, 521, 522, 523, 524, 525, 526, 527, 528, 529,

530, 531, 532, 533, 534, 535, 536, 537, 538, 539,

540, 541, 542, 543, 544, 545, 546, 547, 548, 549,

550, 551, 552, 553, 554, 555, 556, 557, 558, 559,

560, 561, 562, 563, 564, 565, 566, 567, 568, 569,

570, 571, 572, 573, 574, 575, 576, 577, 578, 579,

580, 581, 582, 583, 584, 585, 586, 587, 588, 589,

590, 591, 592, 593, 594, 595, 596, 597, 598, 599,

600, 601, 602, 603, 604, 605, 606, 607, 608, 609,

610, 611, 612, 613, 614, 615, 616, 617, 618, 619,

620, 621, 622, 623, 624, 625, 626, 627, 628, 629,

630, 631, 632, 633, 634, 635, 636, 637, 638, 639,

640, 641, 642, 643, 644, 645, 646, 647, 648, 649,

650, 651, 652, 653, 654, 655, 656, 657, 658, 659,

660, 661, 662, 663, 664, 665, 666, 667, 668, 669,

670, 671, 672, 673, 674, 675, 676, 677, 678, 679,

680, 681, 682, 683, 684, 685, 686, 687, 688, 689,

690, 691, 692, 693, 694, 695, 696, 697, 698, 699,

700, 701, 702, 703, 704, 705, 706, 707, 708, 709,

710, 711, 712, 713, 714, 715, 716, 717, 718, 719,

720, 721, 722, 723, 724, 725, 726, 727, 728, 729,

730, 731, 732, 733, 734, 735, 736, 737, 738, 739,

740, 741, 742, 743, 744, 745, 746, 747, 748, 749,

750, 751, 752, 753, 754, 755, 756, 757, 758, 759,

760, 761, 762, 763, 764, 765, 766, 767, 768, 769,

770, 771, 772, 773, 774, 775, 776, 777, 778, 779,

780, 781, 782, 783, 784, 785, 786, 787, 788, 789,

790, 791, 792, 793, 794, 795, 796, 797, 798, 799,

800, 801, 802, 803, 804, 805, 806, 807, 808, 809,

810, 811, 812, 813, 814, 815, 816, 817, 818, 819,

820, 821, 822, 823, 824, 825, 826, 827, 828, 829,

830, 831, 832, 833, 834, 835, 836, 837, 838, 839,

840, 841, 842, 843, 844, 845, 846, 847, 848, 849,

850, 851, 852, 853, 854, 855, 856, 857, 858, 859,

860, 861, 862, 863, 864, 865, 866, 867, 868, 869,

870, 871, 872, 873, 874, 875, 876, 877, 878, 879,

880, 881, 882, 883, 884, 885, 886, 887, 888, 889,

890, 891, 892, 893, 894, 895, 896, 897, 898, 899,

900, 901, 902, 903, 904, 905, 906, 907, 908, 909,

910, 911, 912, 913, 914, 915, 916, 917, 918, 919,

920, 921, 922, 923, 924, 925, 926, 927, 928, 929,

930, 931, 932, 933, 934, 935, 936, 937, 938, 939,

940, 941, 942, 943, 944, 945, 946, 947, 948, 949,

950, 951, 952, 953, 954, 955, 956, 957, 958, 959,

960, 961, 962, 963, 964, 965, 966, 967, 968, 969,

970, 971, 972, 973, 974, 975, 976, 977, 978, 979,

980, 981, 982, 983, 984, 985, 986, 987, 988, 989,

990, 991, 992, 993, 994, 995, 996, 997, 998, 999

The equation y and minus0.065 x 2 plus 6.875x plus 6200 models the amount y of sugar (in lbs per sq ft) produced where x is the amt of fertilizer (in lbs per sq ft) used. What is the best approx for t?

To find the optimal amount of fertilizer ( x ) that maximizes the sugar production ( y ), we need to determine the vertex of the quadratic equation ( y = -0.065x^2 + 6.875x + 6200 ). The vertex occurs at ( x = -\frac{b}{2a} ), where ( a = -0.065 ) and ( b = 6.875 ). Plugging in these values gives ( x \approx 52.88 ) lbs per sq ft as the best approximation for the amount of fertilizer used.

What is the center and radius of the circle with equation (x - 5)2 (y 3)2 16?

(x - 5)^(2) + (y + 3)^(2) = 16

This is in the Cartesian Form

(x - 5)^(2) + (y + 3)^(2) = 4^(2)

This is now in the Pythagorean Form

The centre co-ordinates are the displacement of 'x' & 'y'

Hence ( 5, -3) ( Note the change of signs.

The radius is '4' ( The equated value).

How much concrete needed for 8' x 24' x 6 slab?

You have not indicated the units of '6'. Hence unable to answer the question.

Yes!!! 8 feet X 24 feet X 6 WHAT?????? (inches / feet / yards/ miles )

What does 2s mean in algebra?

In algebra, "2s" typically represents the term "two times the variable s." It indicates that the variable ( s ) is being multiplied by the coefficient 2. For example, if ( s ) represents a certain value, then ( 2s ) would be twice that value.

What is -3x plus 10x equal?

-3x + 10x = (+)7x

NB Think of it as

10x - 3x = 7x

Meters per second to cubic feet per minute?

cubic meters per second (m3/s) x 2,119 = cubic feet per minute (ft3/min)

What does x2 plus 18x equals -13?

To solve the equation ( x^2 + 18x = -13 ), first, rearrange it to form a standard quadratic equation: ( x^2 + 18x + 13 = 0 ). You can then use the quadratic formula ( x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} ) with ( a = 1, b = 18, c = 13 ) to find the solutions for ( x ). Calculating the discriminant and applying the formula will yield the values of ( x ).

What is the equation of the graph that represents the parent function f(x4) stretched vertically by a factor of 2 and then shifted left 3 spaces.?

The parent function ( f(x) = x^4 ) can be vertically stretched by a factor of 2, giving us ( f(x) = 2x^4 ). To shift this function left by 3 spaces, we replace ( x ) with ( x + 3 ). Thus, the final equation representing the transformed function is ( f(x) = 2(x + 3)^4 ).

Which numbers have a square and cube root?

Every number has a square root and cube root.

e.g.

2^(1/2) = 1.414213562.....

2^(1/3) = 1.25992105.....

Both are irrational AND RECUR TO INFINITY.

Similarly every other number.

Explain the square of the sum of two numbers is different from the sum of the squares of two numbers?

Let the numbere be 'n' & 'm'

Hence the square of their sum is

(m + n)^(2)

Add the two numbers together , then square them .

The sum of their squares is

n^(2) + m^(2)

Verification

Let m' & 'n' be '5' & '6'

Hence

Their sum squared is ( 5 + 6) ^(2) = 11^(2) = 121

However square them and them add.

5^(2) + 6^(2) = 25 + 36 = 61

A completely different numerical answer!!!!!

How do you factor 9x squared minus 49?

9x^(2) - 49

Re-write as two squared terms.

(3x)^(2) - 7^(2)

This will factor to

( 3x - 7)(3x + 7)

Note the two different signs.

What is the factor of 9x squared -16?

9x^(2) - 16

This can be written as two squared terms.

Hence

(3x^(2) - 4^(2)

Remember two squared terms with a negative(-) between them will factors.

Hence

(3x - 4)(3x + 4)

Note the two different signs.

An algebraic equation is an equation that includes?

An algebraic equation is an equation that includes one or more variables and constants, combined using arithmetic operations such as addition, subtraction, multiplication, and division. The equation typically has an equal sign, indicating that the two sides of the equation are equivalent. Examples include simple equations like (2x + 3 = 7) and more complex ones involving polynomials. These equations are fundamental in algebra for solving for unknown values.

Interior measure of a convex polygon with four sides?

A convex polygon with four sides is called a quadrilateral, and the sum of its interior angles is 360°. This is determined using the formula (n − 2) × 180°, where n represents the number of sides. Substituting 4 for n gives (4 − 2) × 180° = 360°. Whether it is a square, rectangle, parallelogram, rhombus, or trapezoid, every convex quadrilateral has interior angles that add up to 360°.

What is the function of the long saphemous?

The long saphenous vein, also known as the great saphenous vein, functions primarily to transport deoxygenated blood from the lower limb back to the heart. It runs along the length of the leg, collecting blood from smaller veins and draining into the femoral vein near the groin. Additionally, it plays a role in thermoregulation and venous return, helping maintain blood flow and pressure during physical activity.

What is the numerical value of 10 to the 120TH power?

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,

000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,

000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

What are all the possible 5 digit codes using the numbers 0-9?

There are 10000 such codes. Each of the numbers 0-9 can be in the first position. With each such first digit, each of the numbers 0-9 can be in the second position. With each such pair of the first two digits, each of the numbers 0-9 can be in the third position. etc.

What direction is the line containing the point (3 3) and (1 3) going?

The line containing the points (3, 3) and (1, 3) is horizontal because both points have the same y-coordinate of 3. This means the line does not rise or fall as it moves from left to right; it remains constant at y = 3. Therefore, the direction of the line is to the left and right along the y = 3 level.

What is the function of the Mitochodrion?

Mitochondria are often referred to as the "powerhouses" of the cell because their primary function is to produce adenosine triphosphate (ATP), the energy currency of the cell, through a process called cellular respiration. They convert nutrients, particularly glucose and fatty acids, into ATP by using oxygen in aerobic processes. Additionally, mitochondria play a role in regulating metabolic processes, calcium homeostasis, and programmed cell death (apoptosis).

What is a mono factorial region?

A mono factorial region refers to an area or environment dominated by a single factor that influences its characteristics or processes. This could pertain to ecological contexts where one species or environmental condition predominates, affecting biodiversity and ecosystem dynamics. In other fields, such as economics or geography, it could describe areas reliant on a single industry or resource, shaping the local economy and social structure. The concept highlights the implications of such dominance on sustainability and resilience.

How do you solve x2 plus 7x plus 12?

You cannot solve, without equating it to something. As given it is just an expression.

However it can be factored.

x^(2) + 7x +12

( x + 3)(x + 4) Factored but NOT solved.

However, it we equate to 'zero(0)' then it can be solved.

( x + 3)( x + 4) = 0

X + 3 = 0

x = -3

Similarly

x + 4 = 0

x = -4 Are the solutions (solved).