Answer:
x = 
Step-by-step explanation:
Cos 45= 12/x
x=12/Cos 45
x=
Answer:
b/-7=4
b=4*-7
b= - 28
Step-by-step explanation:
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Answer:
see explanation
Step-by-step explanation:
note that 3.28 = 2 × 1.64
This could be a geometric sequence with common ratio r = 2
To obtain the next term multiply the previous term by 2
3.28 × 2 = 6.56
6.56 × 2 = 13.12
1.64, 3.28, 6.56, 13.56 ← first 4 terms in sequence
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