Answer:
Step-by-step explanation:
sin 52 cos 13-cos 52 sin 13=sin (52-13)=sin 39
Answer:
x = 3
Step-by-step explanation:
..........................
Answer:
190
Step-by-step explanation:
20 percent is 1 fifth of 100 percent so 38 would be 1 fifth. so multiply by 5
Answer:
Step-by-step explanation:
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D is equivalent because brackets don’t change anything here