Answer:
C.) cosZ=61/73
Step-by-step explanation:
I hope you got the answer
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x =
Given
4x - = x + 7
Multiply through by 2 to clear the fraction
8x - 1 = 2x + 14 ( subtract 2x from both sides )
6x - 1 = 14 ( add 1 to both sides )
6x = 15 ( divide both sides by 6 )
x = =
1. is 11
2. 7.8 or 7 4/5
3. 10.39
Hope I helped
i) 4
ii) -216
please give brainliest
3 and 6/7
7 - 22/7