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nirvana33 [79]
2 years ago
13

4(3+1/4c-1/2d) apply the distributive property to create a equivalent expression

Mathematics
2 answers:
Romashka-Z-Leto [24]2 years ago
5 0
Answer iiiiiiis -2d+c+12

mina [271]2 years ago
5 0

Answer:

4(3+\frac{1}{4}c-\frac{1}{2}d  )=12+c-2d

Step-by-step explanation:

The given expression is

4(3+\frac{1}{4}c-\frac{1}{2}d  )

If we apply the distributive property, we must multiply 4 by each term inside the parenthesis, as follows

3 \times 4 + \frac{1}{4}c \times 4-\frac{1}{2}d \times 4=12+c-2d

Therefore, the equivalent expression is

4(3+\frac{1}{4}c-\frac{1}{2}d  )=12+c-2d

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Consider the lengths of stay at a hospital’s emergency department. Hours Count Percent 1 18 3.44 2 55 10.50 3 81 15.46 4 109 20.
Vladimir [108]

Answer:

Probability = 0.502

Step-by-step explanation:

We are given the following data :

 Hours         Count            Percent

  1                    18               3.44

  2                    55              10.50

  3                    81               15.46

  4                    109             20.80

  5                     88              16.79

  6                     66              12.60

  7                     39               7.44

  8                     17                3.24

  9                     17                3.24

  10                   19                3.63

   15                  15                2.86

We need to calculate the probability

P(Length of stay of exactly 1 is less than or equal to 4)

P(Y \leq 4) = P(Y = 1) + P(Y = 2) + P(Y = 3) + P(Y = 4)

P(Y \leq 4) = 0.0344 + 0.1050 + 0.1546 + 0.2080 = 0.502

We convert the percent into probabilities by dividing them with 100. This gave us the required probabilities.

8 0
2 years ago
What is 6 divided by 612
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612/6=102
check: 6x102=612

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1 year ago
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On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The numb
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b

Step-by-step explanation:

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2 years ago
The price of a recipe-book was reduced from $24.50 to$17.95. If p represents the percent decrease in price of the book, which pr
LuckyWell [14K]

Answer:

The required proportion is \frac{p}{100}=\frac{24.50-17.95}{24.50}.

Step-by-step explanation:

Consider the provided information.

The price of a recipe-book was reduced from $24.50 to$17.95.

The original price is 24.50

Reduced price is 17.95.

Let p represents the percent decrease in price of the book.

\text{Percent decrease}=\frac{\text{Original price-Reduced price}}{\text{Original price}}\times 100

Now substitute the respective values in the above formula.

p=\frac{24.50-17.95}{24.50}\times 100

\frac{p}{100}=\frac{24.50-17.95}{24.50}

Hence, the required proportion is \frac{p}{100}=\frac{24.50-17.95}{24.50}.

4 0
2 years ago
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