Answer:
The sum of nine and 3 multiplied by the difference of x and 7.
Step-by-step explanation:
Sum= add
Parentheses= multiply
Subtract= difference
Answer:
x= 30
Step-by-step explanation:
angle AOB= 180- 4x
angle AOC is a right angle because OA is perpendicular to OC
180- 4x + x = 90 degrees
180- 3x = 90 degree
180- 90 = 3x
90= 3x
therefore x= 90/3= 30
Answer:
D) The domain of the function is all real numbers
Step-by-step explanation:
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