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Yuki888 [10]
3 years ago
8

Minnie has 4 different stamps. She needs 3 to mail a large letter. How many ways can she pick the 3 that will be used?

Mathematics
1 answer:
timurjin [86]3 years ago
7 0
Number of ways of picking a smaller number out of a bigger number is called combination.
Number of way of picking 3 stamps out of 4 is 4C3 (4 combination 3) = 4! / (3! x (4 - 3)!) = 4! / (3! x 1!) = (4 x 3 x 2 x 1) / (3 x 2 x 1 x 1) = 24 / 6 = 4 ways.
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Nataly_w [17]
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7 0
3 years ago
One side of a triangle is 3 times the second side. The third side is 17 feet longer than the second side. The perimeter of a
Nadya [2.5K]

Answer:

Step-by-step explanation:

lets have one side =a

P=3a+a+(17+a)=52

P=5a+17=52

5a=52-17

5a=35

a=7

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3 0
3 years ago
Using all or some of the digits 2, 3, 4 and 5, Edward writes
Vesnalui [34]

Using the arrangements formula, considering the given digits, it is found that Edward writes 6 numbers.

<h3>What is the arrangements formula?</h3>

The number of possible arrangements of n elements is given by the factorial of n, that is:

A_n = n!

In this problem, the first digit has to be 5, while the other three are arranged, hence the total number of arrangements is given by:

A_3 = 3! = 6

More can be learned about the arrangements formula at brainly.com/question/25925367

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5 0
1 year ago
In the following diagram, parallelogram ABCD contains triangle CED. Line CE and line ED intersect at point E. The measures of ∠C
nirvana33 [79]

Answer:

∠x = 59°

Step-by-step explanation:

∠ECD = 52°   because they are alternate angles and will be equal

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2 years ago
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