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Ratling [72]
1 year ago
5

5. A carpenter wants to cut a 16- foot piece of wood into two pieces. The longer piece is to be 1

Mathematics
1 answer:
nexus9112 [7]1 year ago
7 0

Answer:

See below

Step-by-step explanation:

Two pieces

x       and     x+1    must add to 16 ft

x     +    (x+1 )    = 16

2 x  + 1 = 16

2x = 15

<u>x = 7.5  ft </u>            and the other is x+1=<u> 8.5 ft </u>

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salantis [7]
Given:

t1 = 3.6 h
t2 = 4.5 h
x = speed of boat
y = speed of water

Required:
a) Expression of distance traveled with moving water with 3.6h
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Solution:

Working formula: 
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a) For travelling downstream, we get the equation

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For travelling upstream, we get the equation

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b) Setting the distance as equal for travelling upstream or downstream, we arrive at the equation of

(x+y)*3.6 = (x-y)*4.5
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c) percentage = 1/9*100% = 11.1%

<em>ANSWERS: a) d = (x+y)*36; d = (x-y)*4.5
</em>
                     <em>b) y = x/9
</em>                     <em>c) 11.1%</em> 

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