Answer: James is right
Step-by-step explanation:
Since they average $685 a day for the month. This means for the month, they'll make:
= $685 × 30
= $20,550
Approximating $20,550 will give $21000 and since James used rounding and estimation to say, "$685 is almost $700 and $700 × 30 days is $21,000. James is quite correct.
Answer:
The family of directions of the given vector is represented by , .
Step-by-step explanation:
According to the given information, vector stands in the 4th Quadrant (, ) and direction of the vector () in sexagesimal degrees, is determined by following definition:
,
Please notice that angle represents a function with a periodicity of 360°.
If we know that and , then the direction of the vector is:
The family of directions of the given vector is represented by , .
3 4/9 would be the correct answer
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