anonymous
  • anonymous
SOMEONE PLEASE HELP WILL FAN AND MEDAL!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Brittney’s presentation consists of a 20-second video clip and several song clips that are each a half a minute long. Let n represent the number of song clips. Which expression represents the total length (in seconds) of Brittney’s presentation?
anonymous
  • anonymous
A. 20 + 1/2n B. 20n + 1/2 C. 20 + 30n D. 20n + 30
anonymous
  • anonymous
It's c

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anonymous
  • anonymous
I'm 100% sure
anonymous
  • anonymous
lets see one moment but thank you! (:
anonymous
  • anonymous
Ok and you are most welcome
anonymous
  • anonymous
yea its c
anonymous
  • anonymous
oh my its magically gone :P
anonymous
  • anonymous
The expression 2l + 2w is used to find the perimeter of a rectangle with length l and width w.
anonymous
  • anonymous
What is the perimeter of a rectangle with length 14cm and width 4cm?
anonymous
  • anonymous
ik the answer so ima walk you thorugh it
anonymous
  • anonymous
A. 9cm B. 18cm C.28cm d. 36cm
anonymous
  • anonymous
first off do you know how to find perimeter
anonymous
  • anonymous
Yes i think honestly i really have no time
anonymous
  • anonymous
perimeter is the area around a object
anonymous
  • anonymous
But my answer would be D
anonymous
  • anonymous
if its a rectangle, then well.. all rectangles have two sets of 2 even sides right
anonymous
  • anonymous
so ur formula is 2w + 2l
anonymous
  • anonymous
so its 2x with plus 2x length
anonymous
  • anonymous
is d your answer?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
Then you are correct
anonymous
  • anonymous
thanks
anonymous
  • anonymous
anything else i can help you with?
anonymous
  • anonymous
Lets see one second (:
anonymous
  • anonymous
type @pikachubacca if you need me
anonymous
  • anonymous
alrighty

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