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Answer:
x = 18
Step-by-step explanation:
Vertically opposite angles are equal.
x + x + x + 90 = 144
3x + 90 = 144
Subtract 90 from both sides
3x = 144 - 90
3x = 54
Divide both sides by 3
x = 54/3
x = 18
Answer:
75x
Step-by-step explanation:
Rob saved $30. Do you have to explain, if so since he saved $6 for every $15, you would do 75 divided by 15 which is 5 then you would do 5 times 6 which gives you 30.
Answer:
The smallest zero is 
Step-by-step explanation:
The given function is
To find the zeros of this function, we equate it to zero.
Dividing through by 4 gives
We split the middle term to get;
Factor
Factor further to get;
The zeros are
The smallest zero is
