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hichkok12 [17]
3 years ago
15

Help plz i dont undertand

Mathematics
1 answer:
lora16 [44]3 years ago
7 0

Answers:

  • x = 4
  • AB = 36
  • BC = 36
  • AC = 36

All three sides are 36 units long.

===========================================================

Explanation:

Triangle ABC is equilateral, so all three sides are the same length.

Pick any two of those sides, set them equal to each other, and solve for x

AB = BC

8x+4 = 11x-8

8x-11x = -8-4

-3x = -12

x = -12/(-3)

x = 4

Use this x value to find each side. We should get the same value (if not, then an error occurred in solving for x).

  • AB = 8x+4 = 8*4+4 = 32+4 = 36
  • BC = 11x-8 = 11*4-8 = 44-8 = 36
  • AC = 9x = 9*4 = 36

We get the same value for the three side lengths, so this confirms we have the correct x value.

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Answer:

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SA = 28

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alexgriva [62]
First of 3/7 of a week is 3 days because there are 7 days in a week e out of seven so you get it?

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4/9 = 0.4444...
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So now you got your decimals

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3. Now go back to the 3/7 of a week which is 3 days and now you need to multiply 0.53 by 3 and you will get your answer

ANSWER!

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I HOPE THIS HELPED YOU TO SOLVE THIS PROBLEM AND SOME FUTURE ONES!



8 0
3 years ago
Alexander was given a gift card for a coffee shop. Each morning, alexander uses the card to buy one cup of coffee. Each cup of c
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Answer:

A = (cost per cup of coffee * number of cups) + balance

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