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laiz [17]
3 years ago
10

Allen is building birdhouses that require 1/2-foot-long boards. How many pieces that are exactly 1/2 ft long can be made from a

board that is 8 1/4 ft long?
Mathematics
1 answer:
Ymorist [56]3 years ago
6 0
Hello!

Since you have a board that is 8 and 1/4 feet long, the easy way to calculate how many 1/2 feet are on 8 feet is two multiply 8 x 2, since there are two halves of a foot, in one foot (because two halves equal one whole). Now this may sound confusing but we can double check.
   _________
   |       |          As we can see here, there are two rows, each with 8 halves.
  V      V          So now we multiply 8 x 2 and get 16.
1/2 + 1/2 = 1
1/2 + 1/2 = 1
1/2 + 1/2 = 1
1/2 + 1/2 = 1
1/2 + 1/2 = 1      
1/2 + 1/2 = 1
1/2 + 1/2 = 1
1/2 + 1/2 = 1
                  ^-- Now if you add all of these, it's 8, proving that you can do 8 x 2

Yes, you may be asking, "What about the 1/4?" Don't worry about it! Questions like this try to trick you into making it more complicated, it asks how many halves are in 8 and 1/4, but 1/4 isn't enough to make a half so we leave it alone.
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3 years ago
Winnie poured 14 cups of water into a rectangular container measuring 13 inches by 7 inches by 6 centimeters.
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6 0
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Enter the words as an expression.<br><br> Subtract 15 from 60, then divide by 9.
Andru [333]

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60-15/9

Step-by-step explanation:

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Which ordered pair is a solution of the equation?
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D

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AB has a vértices at (-5,1) and (-3,7). After a transformation, the image had endpoints at (3,-1) and (5,5). Describe the transf
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That looks like a translation; let's check.  We have

A(-5,1), B(-3,7), A'(3,-1), B'(5,5)

If it's a translation by T(x,y) we'd have

A' = A + T

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so 

T = A' - A = (3,-1) - (-5,1) = (8,-2)

and also 

T = B' - B = (5, 5) - (-3, 7) = (8,-2)

They're the same so we've verified this transformation is a translation by (8,-2), eight right, two down.

 



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3 years ago
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