A few days ago
help on this geometry question….?
if x=5 find the perimeter of the rectangle whose length is 6x-4 and width is 3x+2?? show work plz!
Top 5 Answers
A few days ago
Favorite Answer
first substitute the values
length=6x-4
6(5)-4
30-4
L=26
width=3x+2
3(5)+2
15+2
W=17
the perimeter of rectangle is 2L+2W
so 2(26)+2(17)
52+34
=86
so 86 is the perimeter of rectangle whose length is 26 and width is 17..
hope this helps!
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A few days ago
length is 6 times 5 minus 4 or 30 minus 4 or 26
width is 3 times 5 +2 or 15 + 2 or 17
0
A few days ago
2(6x-4) +2(3x+2)
= 12x – 8 +6x +4
= 18x -4
substitute x=5 in the expression,
= 18(5) – 4
= 90 -4
=86
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A few days ago
solve x first by plugging 5 into the equation
2(30-4)+2(15+2) The 2’s that you multiply came from this formula of figuring out perimeter (2l+2w)
solve parenthesis first. 2(26)+2(17)
then mulitply the 2’s; then solve the problem
56+34=90
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A few days ago
for help on all geometry questions u can log onto www.mathguru.com…my di gave it to me on my bday…its really helpful…hope it will help u…tc n all d bst…
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