jaekg

6 Questions
0 Answers

0

11

0

+24

Counting

Find the number of ways of choosing three circles below, so that no two circles are next to each other.

jaekg 25.05.2024

0

7

0

+24

Counting

In how many ways can you distribute $8$ indistinguishable balls among $2$ distinguishable boxes, if at least one of the boxes must be empty?

jaekg 25.05.2024

0

8

0

+24

Counting

There is a group of five children, where two of the children are twins. In how many ways can I distribute $3$ identical pieces of candy to the children, if the twins must get an equal amount of candy?

jaekg 24.05.2024

0

3

1

+24

Hard algebra

For an integer n, the inequality
x^2 + nx + 15 < -21 - 7x + x^2
has no real solutions in x. Find the number of different possible values of n.

jaekg 24.05.2024

0

5

1

+24

Need help

Let $x$ and $y$ be real numbers such that $x^2 + y^2 = 4x + 12y.$ Find the largest possible value of $x + y.$ Give your answer in exact form using radicals, simplified as far as possible.

jaekg 24.05.2024

0

5

1

+24

Help me plz

A line and a circle intersect at A and B. Find the coordinates of the midpoint of \overline{AB}.
The ilne is y = 3x - 2, and the circle is (x - 4)^4 + (y - 5)^2 = 68.

jaekg 24.05.2024