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3 years ago

7

A jigsaw puzzle contains 50 pieces. If joining any two pieces or groups is considered one move, what is the least amount of move

s to join all 50 pieces?

1 answer:

Nina [5.8K]3 years ago

5 0

So, you see that when 2 pieces is considered a group, that means you have to divide. So, you divide 50/2 and it gives you 25.

Hope this helps :)

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The average of four different positive integers is 9. What is the greatest value for one of the integers?

saul85 [17]

From the given information; Let the unknown different positive integers be (a, b, c and d).

An integer is a set of element that are infinite and numeric in nature, these numbers do not contain fractions.

Suppose we make an assumption that (a) should be the greatest value of this integer.

Then, the other three positive integers (b, c and d) can be 1, 2 and 3 respectively in order to make (a) the greatest value of the integer.

Therefore, the average of this integers = 9

Mathematically;

$\mathbf{\dfrac{(a+b+c+d)}{4} =9}$

$\mathbf{\dfrac{(a+1+2+3)}{4} =9}$

$\mathbf{\dfrac{(6+a)}{4} =9}$

By cross multiplying;

6+a = 9 × 4

6+a = 36

a = 36 - 6

a = 30

Therefore, we can conclude that from the average of four positive integers which is equal to 9, the greatest value for one of the selected integers is equal to 30.

Learn more about integers here:

brainly.com/question/15276410?referrer=searchResults

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3 years ago

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Select the two values of x that are roots of the given polynomial below. <br><br> x^2-3x-5

klio [65]

-b +or- root (b^2 -4ac) / 2a
3+or- root 9+20/ 2
3+ or - root 29 /2

5.38516480713 + 3 = 8.385 / 2
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b=-3
c=-5

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3 years ago

Apply the distributive property to factor out the greatest common factors 9 +15

aleksley [76]

Answer:

3( 3+5)

Step-by-step explanation:

9 +15

Rewriting 9 as 3*3 and 15 * 3*5

3*3 + 3*5

Factor out 3

3( 3+5)

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how high is a tree that casts a 27 ft shadow at the same time a 8 ft pole casts a shadow which is 9 ft long?

8090 [49]

30.375 i think becuase i divided

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4 years ago

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Id : 688 737 6744<br>pas : c8SNRa<br>❤❤<br>

Anna71 [15]

Answer:

thx, i'll join

Step-by-step explanation:

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3 years ago