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Alona [7]
3 years ago
7

Consider the set of points defined by z = 5 cos(theta) + 3i sin(theta).

Mathematics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

This is an ellipse.

Step-by-step explanation:

z=5cos(\theta)+3isin(\theta)

Applying the angle values in intervals of right angles (90°), the resulting set of values for z are:

\theta = 0,90,180,270,360

z=5,3i,-5,-3i,5 (again)

If you look at the plot, you will observe how these values represent points in the xy plain. All of them belong to either the x or the y axis.

The resulting figure for the whole set of values of \theta is in fact an ellipse.

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Considering the sign up fee and monthly membership fee for a gym the equation c=30m+25 can be used to represent the total cost o
Naddik [55]

Answer:

$25

Step-by-step explanation:

Cost  = 30 x months  +  25

Every month you will pay 30$

At 0 months when  you sign up  substitute m=0

Cost  = 30x 0  +25 =  0  +25 =25

7 0
2 years ago
How do you find surface area of a triangular prism ?
RSB [31]
The formula to find the surface area of a triangular prism is basically finding out the area of one of the faces of a traingle, which is:

<span>(base)*(height)/2

</span>So, basically you take the face of the triangle that your trying to find the surface area of and plug in your values for the base length and height, multiply them together, hen divide that product by 2 to find your surface area :)


Thank you for the question! I hope this helped! Have an amazing day!! :D



5 0
3 years ago
If it is 2:20 what time would it be 1 hour and 30 minutes later
Otrada [13]

Answer:

I would say 3:30

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HELP ASAP!! PLS HELP IM BEGGING YOU PLS PLS PLS!! (BRIANLIST)
vampirchik [111]

Answer:

not sure but I think it is no lines of symmetry.

Step-by-step explanation:

the background with trees when folded together don't line up. they aren't similar.

6 0
3 years ago
a truck that can carry no more than 6400 lb is being used to transport refrigerators and upright pianos. Each refrigerator weigh
Tems11 [23]
I'm not going to do the entire question, but I'll do the first part.

For the first part, you have to set up an inequality. Use context clues, such as no more than (the one used in this sentence) to figure out what the symbol should be for the inequality.
In this case, because it is NO MORE THAN 6400, it would be:

6400\leq250r + 475p

where r represents the # refrigerators, and p represents the # pianos


Now that you have the equation, make the graph, then for the 3rd part, plug in 12 and 8 to r and p to see if it keeps the inequality true.

Hope this helps! :)
7 0
3 years ago
Read 2 more answers
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