1 answer:
Answer:
(sinx+cosx)²=sin2x+1
RHS
sin2x+1. (sin2x=2sinx*cosx)
2sinx*cosx+1. (sin²x+cos²x=1)
2sinx*cosx+sin²x+cos²x.
(sinx+cosx)²
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6(G+9)
you have to use the distributive property.
6*G=6G
6*9=54
answer is 6G+54
12.
70*F is D
10*F is A
10*C is C
30*C is B
13.
104
14.
105
Answer:
300.104
Step-by-step explanation:
820,445 in expanded form: 800,000 + 20,000 + 400 + 40 + 5
Answer:
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Step-by-step explanation:
