Answer:
24x
6x + x - 2
Step-by-step explanation:
You combining the 4 sides of the square
6x + 6x + 6x + 6x
Same with the triangle
Answer:its 8 1/2
Step-by-step explanation: you add 3 3/10 and 2 3/5 then add 2 3/5 again and you get 8 1/2
Answer:
The angle of depression of an object becomes the angle between the horizontal and the line of sight from the object to the observer's eye. The angle of depression will be below the observer's eyes.
Step-by-step explanation:
The answer is E because there is 54 crayons and you put 9 crayons in each box so 54 divide 9 = 6
Answer:
(c) 24 (d) 2 -4 (e) 22 2 1.25 0
Step-by-step explanation:
Problem 1.1 (10 Points) Let 21 2j, and 23 j. Find the value of each of the following 3 4j, 22 expressions and give your answers in rectangular form z t jy. (a) 132122 (b) 321 421 (c) (21)3 (Note that superscript denotes conjugation.) 222 21 (d) 22 (e) 2223 Problem 1.2 (10 Points) (a) Find real numbers r and y such that 5z -3y j(5y z) 4. (b) Show that any complex number z can also be expressed as z e 2"* k 0, 1,2, 3. Problem 1.3 (10 Points) Express each of the following complex numbers in polar form. a) 2 2V3 (c) 1 j j2 7 4j (d) 3-2j (e) Problem 1.4 (10 Points) Use the results from Problem 1.2 (b) above to find all roots of the following complex numbers and plot your results in the complex plane. (a) 1 (Hint: there are 5 different answers and one is 2 (b) 23 (1 -j) (Hint: there are 3 different answers. (c) 24 (d) 2 -4 (e) 22 2 1.25 0