sheyenne143
05.10.2020 •
Mathematics
How can i solve to find AB?
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Ответ:
17
Step-by-step explanation:
AB + BC = AC.
Therefore,
Remove brackets:
Add up terms:
Subtract 9 from both sides:
Divide both sides by 8:
----------
Ответ:
2.78 dollars
step-by-step explanation:
hello there!
first we multiply 10 to $ 0.21 ( we got the number 10 from the extra 10 minutes after the first 4 minutes )
10 + $ 0.21
= 2.10 dollars
then we need to add $ 0.68 to $ 2.10 dollars
$ 0.68 + $ 2.10
= 2.78 dollars
2.78 dollars is how much it costs for a 13.44 minute call!
i hope this helps you and please tell if there was a mistake in this, have a wonderful day! <3