tgirl859 tgirl859

Today at 6:36 PM
Mathematics

Answered

A square is bisected vertically and horizontally into 4 smaller squares, and each of the 4 smaller squares is to be painted so that adjacent squares have dif- ferent colors. if there are 20 paints available, in how many ways can the 4 smaller squares be painted

Answer :

Аноним Аноним

Today at 6:42 PM

If we just take 4 of the paints there are 4! = 24 ways of painting the 4 squares.

We need to multiply this by 20C4 - the number of combinations of 4 from 20.

20C4 = (20*19*18*17) / (4*3*2*1) = 4845

so the answer is 24 * 4845 = 116,280

Answer Link

Other Questions

The reason for Israel's defeat at Ai was sin. True False

The reason for Israel's defeat at Ai was sin. True False

The reason for Israel's defeat at Ai was sin. True False

a water tap fills a tank within 4 hours, at the bottom of the tank there is a hole for empty. the tank takes one hour to be empty. If the tap and the hole are

This list shows the lengths in feet of the 25 longest bridges in the United States. 1010 1470 1600 2000 2800 1053 1495 1632 2150 3500 1200 1596 1750 2150 3800 1

Find area of rhombus whose diagonal area 8 and 14

There are 54 balls in first box and 179 balls in the second box. Estimate the total number of balls in both the boxes using the general rule.

· Discuss the religious and spiritual developments of the medieval period in detail.

a partice of mass m strikes elastically on a wall with velocity v , at an angle of 60° from the wall then magnitutude change in momentum of ball along the wall

What is mensuntral cycle??

a water tap fills a tank within 4 hours, at the bottom of the tank there is a hole for empty. the tank takes one hour to be empty. If the tap and the hole are t

Which side lengths could be used to form a triangle?A. 12 m, 4 m, 3 m B. 5 m, 16 m, 5 m C. 1 m, 2 m, 2 m D. 6 m, 2 m, 4 m

Select the correct answer. Following the completion of the Berlin Wall, President John F. Kennedy famously said, "Ich bin ein Berliner." This translated to "I a

A concave mirror has a radius of curvature of 1.6m. Find the focal length

Patrice is currently considering and researching production costs, commissions for workers, and the artist’s “cut.” What is she MOST LIKELY pricing out? a photo

What is the length of the missing leg? If necessary, round to the nearest tenth.

Which statement about control Ed experiments is correct? A. Controlled experiments test more than one variable at a time. B. Controlled experiments do not conta

An arithmetic sequence has a first term of 4 and a common difference of 3. What is the 20th term of the sequence?

Who is good with math like trig.??

Sunlight hits the black asphalt pavement on a sunny, summer day. The pavement becomes excessively hot. What wave behavior is demonstrated by this phenomenon?