Answer:
11) 
12) 
13a) 
and 
13b) 
Step-by-step explanation:
11. The given equation in rectangular coordinates is 
To convert to polar form, use the relation 
This implies that:
In polar coordinates, is a circle with radius 4 units.
12. From the diagram;
We can see that two arrows are moving in anticlockwise direction to meet A which is moving in the clockwise direction;
13. The conjugate of the complex number: 
is 
Part a) The given complex numbers are:
and 
The conjugates of these complex numbers are:
and
Part b) The product of and is
The conjugate of the product is:
Answer: A
Step-by-step explanation:
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<span>Step 1: Make sure the bottom numbers (the denominators) are the same.
Step 2: Add the top numbers (the numerators), put the answer over the denominator.<span>
Step 3: Simplify the fraction (if needed)</span></span>
Option B) 3 hours is the time spent by Jenna on the e-mail this week.
<u>Step-by-step explanation:</u>
Jenna spent 30 hours on the computer this week.
The amount of time she spends on computer to work on various fields in given in the pie-chart.
This 30 hours represents her 100% work on computer.
From the figure shown,
She spent 10% of her total work on e-mail.
Therefore, 10% of 30 is the work done in hours by her on e-mail.
⇒ (10/100) × 30
⇒ 0.1 × 30
⇒ 3 hours
∴ Option B) 3 hours is the time spent by Jenna on the e-mail this week.
Answer:
250p-195
Step-by-step explanation:
did the quiz
