2 years ago

Does anybody know this? 1/2 divided by 4/7

Mathematics

2 answers:

7nadin3 [17]2 years ago

8 0

Answer: 7/8

Step-by-step explanation:

1/2 / 4/7

Stells [14]2 years ago

7 0

The answer to the question is 7/8

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Seven customers enter a clothing store and are observed to determine if they will make a purchase. The store owner states that t

blondinia [14]

Answer: Mean = 5.25

Variance = 1.3125

Standard deviation = 1.456

Step-by-step explanation:

The mean and variance of a binomial distribution with parameters n (number of trials) and p ( the probability of getting success in each trial) is given by :-

$\text{Mean}=np\\\\\text{Variance}=np(1-p)$

Given : The total number of enter a clothing store : n=7

The probability of a customer making a purchase= 0.75

Now,

$\text{Mean}=7(0.75)=5.25\\\\\text{Variance}=7(0.75)(0.25)=1.3125\\\\\Rightarrow\ \text{Standard deviation}=\sqrt{1.3125}=1.14564392374\approx1.1456$

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2 years ago

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jolli1 [7]

Answer: 5(13.5-4.5)

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3 years ago

QUESTION 7 Solve for x. (3x + 32) (5x-8) O a. 3 b. 12 O c. 20 O d. 19.5

Alchen [17]

Answer:

The answer is x = 20

Step-by-step explanation:

If you set both equations equal to each other and solve for x, you will get 20.

3x+32 = 5x-8 add 8 to both sides

3x+40 = 5x subtract 3x from both sides

40 = 2x divide by 2 on both sides

20 = x

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2 years ago

There are approximately 1 1/2 kilometers in one mile. Approximately how many kilometers are in 6 miles?

adelina 88 [10]

1.5 times 6 is equal to 9. So the answer is 9 kilometers

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3 years ago