bloodws23

8 Questions
0 Answers

0

393

0

+32

Let ABCD be an isosceles trapezoid with AD=BC and AB

Let ABCD be an isosceles trapezoid with AD=BC and AB

bloodws23 Mar 10, 2021

0

413

1

+32

Find the number of integers c

Find the number of integers c such that the equation ||20|x|-x^2|-c|=21 has 12 distinct real solutions.

bloodws23 Mar 10, 2021

0

317

0

+32

Find the number of pairs (m, n) of positive integers with 1<=m

Find the number of pairs (m, n) of positive integers with 1 <= m

bloodws23 Mar 10, 2021

0

538

1

+32

Segments AB, AC, and AD are edges of a cube and segment AG is diagonal through the center of the cube. Point P satisfies BP = 60sqrt(5), DP

Segments AB, AC, and AD are edges of a cube and segment AG is diagonal through the center of the cube. Point P satisfies BP = 60sqrt(5), DP = 120sqrt(2), and GP = 36sqrt(7). Find AP

bloodws23 Mar 10, 2021

0

527

2

+32

Zou and Chou are practicing their 100-meter sprints by running 6 races against each other. Zou wins the first race, and after that, the prob

Zou and Chou are practicing their 100-meter sprints by running 6 races against each other. Zou wins the first race, and after that, the probability that one of them wins a race is 2/3 if they won the previous race but only 1/3 if they lost the previous read more ..

bloodws23 Mar 10, 2021

0

498

1

+32

Find the number of ways 66 identical coins can be separated into three nonempty piles so that there are fewer coins in the first pile than i

Find the number of ways 66 identical coins can be separated into three nonempty piles so that there are fewer coins in the first pile than in the second pile and fewer coins in the second pile than in the third pile.

bloodws23 Mar 10, 2021

0

1217

1

+32

Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the produc

Call a three-term strictly increasing arithmetic sequence of integers special if the sum of the squares of the three terms equals the product of the middle term and the square of the common difference. Find the sum of the third terms of all special sequences. read more ..

bloodws23 Mar 10, 2021

0

521

1

+32

Math

Find the number of positive integers less than 1000 that can be expressed as the difference of two integral powers of 2.

bloodws23 Mar 10, 2021