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paytonevans696
24.09.2019 •
Mathematics
[(a+3)x8+26]: 5=18 va multumesc frumos
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Ответ:
Ответ:
multiply out
[8a+24+26]/5=18
add
(8a+50)/5=18
bultiply both sides by 5
8a+50=90
subtract 50 from both sides
8a=40
divide both sides by 8
a=5
Ответ:
5.385164807
or
5.4
Step-by-step explanation:
Use the Distance Formula:
First, do (-4 - -2) exponent 2 + (2 - -3) exponent 2.
So you get: (-2) exponent 2 + (5) exponent 2.
Then, you do -2 times -2, since there is 2 as an exponent. You also do 5 times 5.
So you get: 4 + 25
Next, you add 4 + 25 and get 29.
Finally, you find the square root of 29, which is 5.385164807, or you can round it.
( I hope that is not too confusing. I couldn't do the exponents, so I just wrote it as a word. The whole thing was done with the Distance Formula.)