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ladessa [460]
3 years ago
7

Mai-li has 6 1/3 yd of material. Her new skirt will take 2 1/3 yd. How much material will she have left after the skirt is made?

Mathematics
2 answers:
grigory [225]3 years ago
7 0

Answer:

C. 4 yd

Step-by-step explanation:

6 1/3 and 2 1/3 are mixed numbers because they are a combination of a whole number and a fraction. They could be represented like:

6 1/3 = 6 + 1/3

2 1/3 = 2 + 1/3

To substact them, we need to convert the integer into a fraction. Since 6 = 6/1, we can multiply the numerator a denominator by 3 to get an equivalent fraction. We will do the same with 2 1/3.

6 + 1/3 = 6/1 + 1/3 = 6/1 × (3/3) + 1/3 = 18/3 + 1/3 = 19/3

2 + 1/3 = 2/1 + 1/3 = 2/1 × (3/3) + 1/3 = 6/3 + 1/3 = 7/3

The remaining material will be:

19/3 - 7/3 = 12/3 = 4

There will be 4 yd left.

adoni [48]3 years ago
5 0
6 1/3 – 2 1/3 = 4
She'll have 4 yards left over.
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Answer:

Drawing an ace of spades and then drawing another ace of spades without replacement from a standard deck of cards.

Step-by-step explanation:

Given four pair of events:

1. Drawing an ace of spades and then drawing another ace of spades without replacement from a standard deck of cards

2. Drawing a 2 and drawing a 4 with replacement from a standard deck of cards

3. Drawing a heart and then drawing a spade without replacement from a standard deck of cards

4. Drawing a jack and then drawing a 7 without replacement from a standard deck of cards

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Which of the pairs is mutually exclusive?

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First of all, let us have a look at the definition of mutually exclusive events.

Mutually exclusive events do not have any case in common.

In other words, two events are known as mutually exclusive when both the events can not occur at the same time.

Now, let us have a look at the given options one by one:

1. Drawing an ace of spades and then drawing another ace of spades without replacement from a standard deck of cards.

We know that there is only one ace of spades in a standard deck.

Therefore, the two events can not occur one after the other, so these are mutually exclusive events.

2. Drawing a 2 and drawing a 4 with replacement from a standard deck of cards.

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