The length of a rectangle is 9 cm more then half the width. Find the length of the perimeter is 60cm
1 answer:
length = 1/2 w+9
perimeter= 60 =2(l+w)
substitute in for length
60 = 2(1/2 w +9 +w)
60 = 2 (3/2 w +9)
distribute
60 = 3w + 18
subtract 18 from each side
42 = 3w
divide by 3 on each side
14 = w
length = 1/2 w + 9
length = 1/2 (14) +9
7 + 9
16cm
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8(51) = 8(50 + 1) = 8(50) + 8(1) = 400 + 8 = 408
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Answer:
y=50°
x=232°
Step-by-step explanation:
cuz y+130=180
y=50
and
y+68+x=360°
50+68+x=360°
so x =232
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6p= $41.94
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p= $6.99
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