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castortr0y [4]
3 years ago
12

Describe how you regroup When you find the sum of 64+43

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

Answer:

To regroup the sum, we need to first break them in tens and ones and then regroup them according to their place values.

Given sum:- 64+43, where 64 can be written as 60+4 and 43 can be written as 40+3, now regroup tens and ones particularly , we get

64+43

=60+4+40+3 [breaking]

=60+40+4+3 [combine according to the corresponding place values ]

=(60+40)+(4+3) [put parenthesis]

=100+7=107

lions [1.4K]3 years ago
4 0
64 + 43 = 107
107 - 43 = 64
107 - 64 = 43

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2 years ago
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Answer:

A) 1/2197

B) 1/5525

Step-by-step explanation:

Probability is the likelihood or chance that an event will occur.

Probability = Expected outcome/Total outcome.

Since there are 52 random cards in a deck of card, the total outcome will be 52.

a) Also in a deck of card, there are 4 aces. If we are to select 3 aces with replacement, this means that each time we pick up an ace from the card, it was returned.

Pr(drawing an ace) = 4/52

Pr(drawing 3 aces and replacing it) = 4/52 *4/52*4/52

Pr(drawing 3 aces and replacing it) = 64/140,608

Pr(drawing 3 aces and replacing it) = 1/2197

b) If we pick 3 aces without replacement then each time we pick an ace, the total number cards keeps reducing.

Pr(picking the first ace) = 4/52

Pr(picking the second ace without replacing) = 3/51 (Since we didn't replace the first one, the total ace in the deck of card will reduce to 3 and the total will be 51)

Pr(picking the third ace without replacing) = 2/50 (since we didn't replace the first two aces, the total ace in the deck of card will reduce to 2 and the total will be 50)

Pr(drawing 3 aces without replacement) =  4/52*3/51*2/50

Pr(drawing 3 aces without replacement) =  24/132,600

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5 0
3 years ago
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3 years ago
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Answer: C. The temperature decreased by 6 degrees.

Step-by-step explanation:

From the question, we are informed that over a period of 4 hours, the outside temperature changed by an average of –1.5 per hour. The change over the 4 hours period will be:

= -1.5 × 4

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The shows that the temperature decreased by 6 degrees.

4 0
2 years ago
What is 3/8 written as a percent? 3/8 = 0.375 * 100 = 37.5%
cricket20 [7]
If you would like to know what is 3/8 written as a percent, you can calculate this using the following steps:

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3 years ago
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