Tutors Answer Your Questions about Complex Numbers (FREE)
Question 471213: There is an even number of math students standing in a perfect circle. They are wearing t-shirts with consecutive numbers starting from 1. The student wearing the t-shirt numbered 211 is standing directly opposite the student wearing the shirt numbered 407. How many students are standing in the circle?
choose the answer and explain the reason to choose your response
422
814
392
618
Click here to see answer by jorel1380(3719)   |
Question 471259: The integers 11 through 16 are written on the 6 sides on a cube. A triple of faces that meet at one vertex shows 11, 12, 13. Another triple of faces that meet at a vertex shows 12, 15, 16. None of the pairs of numbers on opposite sides sum to 27. Which number is written on the face opposite 13?
choose the answer and explain the reason to choose your response16
The answer is not unique.
15
The configuration is impossible.
Click here to see answer by Edwin McCravy(20056)  |
Question 471260: Two nonzero integers, x and y, are such that x+y and y/x are both odd integers.
Let n be the largest integer such that 2^n divides y evenly, and m the largest
such that 2^m divides x evenly. Which is true about n and m?
choose the answer and explain the reason to choose your response
m
m>n
This situation is impossible
m=n
Click here to see answer by richard1234(7193)  |
Question 472826: Please help me match the following items number with letter.
1) a^2+2ab+b^2
2) a^2-b^2
3) a^2-2ab+b^2
4) a^2-b^3
5) a^3-b^3
6) Divisor
7) Process
8) A simplified procedure that a simplified procedure that temporarily
omits variables
9) Y=10x
10) Xy=18
11) Y=4xz
a) (a-b)(a^2+ab+b^2)
b) Direct vibration
c) Combined variation
d) Joint variation
e) (a+b)^2
f) synthetic division
g) factor
h) Inverse variation
i) Algorithm
j) (a+b)(a^2-ab+b^2)
k) (a+b)(a-b
Click here to see answer by ewatrrr(24785)  |
Question 473522: the horizontal sides of a rectangle are one half the length of the side of a particular square. The vertical sides of the rectangle are 4 cm more than 3 times the side of the square. If the perimeter of the rectangle is twice the perimeter of the square, what are the demensisions of the rectangle
Click here to see answer by ccs2011(207)  |
Question 473522: the horizontal sides of a rectangle are one half the length of the side of a particular square. The vertical sides of the rectangle are 4 cm more than 3 times the side of the square. If the perimeter of the rectangle is twice the perimeter of the square, what are the demensisions of the rectangle
Click here to see answer by lwsshak3(11628) |
Question 473829: The Fibonacci sequence is obtained as follows: The first number is 1, the second number is 1, and each number from the third and on is the sum of the previous 2. The first few terms are as follows: 1,1,2,3,5,8,13,.... Let A be the sum of the 2010 th term and the 2013 th term. Let B be the sum of the 2010 th term and the 2014 th term. What is the value of B/A? choose the answer and explain the reason to choose your response
8/5
3/2
5/3
2024/2023
Click here to see answer by Edwin McCravy(20056) |
Question 473824: The reverse of a two digit number is the number obtained by writing the digits in reverse order. For example, 37 is the reverse of 73, and 44 is its own reverse. How many three digit numbers are the product of two 2-digit numbers which are reverses of each other? The number 252 is an example since 12*21 =252. choose the answer and explain the reason to choose your response
9
more than 10
fewer than 9
10
Click here to see answer by Edwin McCravy(20056) |
Question 475011: Please help me solve this equation:
Solve the equation (Hint: Set one side of the = to Zero by moving subtracting both sides of the equal by 49) You may use factoring or Quadrtatic Formula to solve this problem.
x^2+20x+100=49
Click here to see answer by mananth(16946)  |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380
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