jybuccaneers2022
22.10.2020 •
Mathematics
Find the values of x and z.
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Ответ:
x = 2
z = 93°
Step-by-step explanation:
set the top and bottom equations equal to each other...
5x + 77 = 9x + 69, solve for x...
subtract 69 and 5x from both sides...
8 = 4x
divide both sides by 4...
x = 2
substitute 2 for x in either equation...
5(2) + 77 = 87°
subtract 87 from 180...
180° - 87° = 93°
z = 93°
Ответ:
487.5
Step-by-step explanation:
just multiply 75 by 6.5. :)