This is the concept of combination, the number of ways 4 different color can be chosen from 9 different colors will be:
9C4
=(9!)/(4!(9-4)!)
=362,880/(24×120)
=362,880/2880
=126
thus the number of ways is 126 ways

4 0

3 years ago

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The formula for the circumference of a circle is C = 2pi . Determine the circumference when the radius r is 10 cm. A. 100 approx

Archy [21]

Answer:b

Step-by-step explanation:

Circumference, C = 2pi×r

=2×pi×10

= 20pi cm

8 0

3 years ago

Write each of the following percents in words. a. 5% b. 34% c. 143% d. 500% For each comparison, write the corresponding percent

LUCKY_DIMON [66]

Answer:

Please, see the attached files.

Step-by-step explanation:

Please, see the attached files.

3 0

3 years ago