The answer would be x = ,because
x - x/2 + 9 = 15
x/2 + 9 = 15
x/2 = 6
x = 12
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Rational numbers are like the decimals and the important numbers
Answer:
sin 90
Step-by-step explanation:
cos (0)
Using the unit circle, we know that cos 0=1
sin 1 and cos 1 are not equal to 1
sin 90 =1
tan 90 = sin 90/ cos 90 = 1/0 =undefined
Answer:
45
Step-by-step explanation: