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Ivanshal [37]
3 years ago
10

the classroom encyclopedia set fills a shelf that is 24 inches long each book is 3/4 inch thick how many books are in the classr

oom set
Mathematics
1 answer:
Damm [24]3 years ago
8 0
32 books in the classroom set
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What is the correct scientific notation for these two questions?
UNO [17]

Answer:

The image is blurry on my screen

Step-by-step explanation:

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Four friends are playing a game. They randomly choose a handful of marbles from a bag. The player with the highest ratio of blue
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We are given the number of Blue and Purple Marbles for each of the four friends. So first we have to find the ratio of blue marbles to purple marbles for each of them.

A) Rosa

Number of blue marbles = 10

Number of purple marbles = 12

Ratio of blue to purple marbles = \frac{10}{12}=0.833

B) Chi

Number of blue marbles = 5

Number of purple marbles = 6

Ratio of blue to purple marbles = \frac{5}{6}=0.833

C) Alberto

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D) Pedro

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Ratio of blue to purple marbles = \frac{10}{6}=1.667

From the above calculations we can see that Pedro has the highest value of ratio for blue marbles to purple marbles. Also we can see Pedro is the only one for whom the number of blue marbles is more than the number of purple marbles. So this confirms that our calculation is correct.

Thus, the player which gets to go first is Pedro.

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3 years ago
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A three-digit number ends in number 7. If you put the number 7 in the first position, the number will increase by 324. Find the
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<u>The original three-digit number is 417</u>

Step-by-step explanation:

Let's find out the solution to this problem, this way:

x = the two digits that are not 7

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Therefore, we have:

324 = (700 + x) - (10x + 7)

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Step-by-step explanation:

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x = (sqrt5-1)/2

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