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Mekhanik [1.2K]
3 years ago
10

2. Yumi takes hour to complete 50 math problems. Eric is able to complete 48

Mathematics
2 answers:
Lesechka [4]3 years ago
6 0

Answer:

Yumi

Step-by-step explanation: because she is 2 ahead of Eric

8090 [49]3 years ago
3 0

Answer:yumi is faster by two questions Step-by-step explanation:

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Callie read for 4 hours last week. Luis read 6 times as long. Write an equation to show how long Luis read.
zysi [14]

Answer: 24

Step-by-step explanation:  Multiply 4 by 6 to get 24

7 0
3 years ago
Read 2 more answers
Which of the pairs of events below is mutually exclusive?
Nady [450]

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

To find:

Which of the pairs is mutually exclusive?

Solution:

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.

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

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

Separate cards are drawn one after the other, so not mutually exclusive.

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

Separate cards are drawn one after the other, so not mutually exclusive.

3 0
3 years ago
Of the 50 plays attributed to a​ playwright, 11 are​ comedies, 19 are​ tragedies, and 20 are histories. If one play is selected
Cerrena [4.2K]
The answer is 3/5, or 60%

11 (comedies) + 19 (tragedies) = 30
30/50 = 3/5, or 60%
3 0
3 years ago
Find y, if x = 60.<br> A) 30° <br> B) 35° <br> C) 40° <br> D) 45°
MArishka [77]
The answer is 30°.
Rule: All three sides must add up to 180
°. 
Since A=60 and the side vertical to the angle which is 90° then side C would be C=90° and that adds up to 150°, so you can conclude that angle B is 30°.
I hope I helped!
7 0
3 years ago
Read 2 more answers
PLEASE HELP!! I REALLY NEED IT!!
Alchen [17]

the answer would be 6 planes

4 0
3 years ago
Read 2 more answers
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