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3 years ago

13

Bill's Roast Beef sells 5 times as many sandwiches as Pete's Deli. The difference between their sales is 360 sandwiches. How Man

y did each sell ?

1 answer:

AnnZ [28]3 years ago

7 0

B - p = 360
b = 5p

5p - p = 360
4p = 360
p = 360/4
p = 90 <== Pete's deli

b = 5p
b = 5(90)
b = 450 <== Bill's Roast Beef

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4 years ago

For each pair of numbers, find a third whole number such that the three numbers form a pythagorean triple.

BabaBlast [244]

Answer:

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Part 2) The third whole number is 40

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Step-by-step explanation:

we know that

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where

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Case 1) we have

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<em>step a</em>

Let

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<em>step b</em>

Let

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Find the value of b

$b^{2} =c^{2} -a^{2}$

$b^{2} =55^{2} -33^{2}$

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Case 2) we have

42,58

<em>step a</em>

Let

$a=42, b=58$

Find the value of c

$c^{2} =a^{2} +b^{2}$

$c^{2} =42^{2} +58^{2}$

$c^{2} =5,128$

$c =71.61$ ------> is not a whole number

<em>step b</em>

Let

$a=42, c=58$

Find the value of b

$b^{2} =c^{2} -a^{2}$

$b^{2} =58^{2} -42^{2}$

$b^{2} =1,600$

$b=40$

Case 3) we have

60,65

<em>step a</em>

Let

$a=60, b=65$

Find the value of c

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$c^{2} =60^{2} +65^{2}$

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<em>step b</em>

Let

$a=60, c=65$

Find the value of b

$b^{2} =c^{2} -a^{2}$

$b^{2} =65^{2} -60^{2}$

$b^{2} =625$

$b=25$

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3 years ago