1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nat2105 [25]
3 years ago
11

Express $\frac{15 + 10i}{1 + 2i}$ in rectangular form.

Mathematics
1 answer:
gtnhenbr [62]3 years ago
6 0

\dfrac{15 + 10i}{1 + 2i}=\\\\\dfrac{(15 + 10i)(1-2i)}{(1 + 2i)(1-2i)}=\\\\\dfrac{15-30i+10i+20}{1+4}=\\\\\dfrac{35-20i}{5}=\\\\7-4i

You might be interested in
Show me what repeated subtraction looks like for 93 divided by 3
Vanyuwa [196]
<span><span> </span><span><span> 93 - 3 = 90 </span> <span>
90 - 3 = 87
</span> <span> 87 - 3 = 84
</span> <span> 84 - 3 = 81
</span><span>81 - 3 = 78 </span> <span>
78 - 3 = 75 </span> <span>
75 - 3 = 72 </span> <span>
72 - 3 = 69 </span> <span>
69 - 3 = 66 </span> <span>
66 - 3 = 63 </span> <span>
63 - 3 = 60 </span> <span>
60 - 3 = 57 </span> <span>
57 - 3 = 54 </span> <span>
54 - 3 = 51
</span> <span> 51 - 3 = 48 </span> <span>
48 - 3 = 45 </span> <span>
45 - 3 = 42 </span> <span>
42 - 3 = 39 </span> <span>
39 - 3 = 36 </span> <span>
36 - 3 = 33
</span> <span> 33 - 3 = 30 </span> <span>
30 - 3 = 27 </span> <span>
27 - 3 = 24 </span> <span>
24 - 3 = 21 </span> <span>
21 - 3 = 18 </span> <span>
18 - 3 = 15
</span> <span> 15 - 3 = 12 </span> <span>
12 - 3 = 9
</span> <span> 9 - 3 = 6
</span> <span> 6 - 3 = 3 </span> <span>
3 - 3 = 0 </span> </span></span>
7 0
3 years ago
If you have 10 red, 10 blue, 10 orange and 10 black socks in a drawer, how many socks must you pull out of the drawer (assume it
Orlov [11]

Answer:

Step-by-step explanation:

The probability of  u choosing two orange socks from the sock drawer WITHOUT REPLACEMENT:

= P(the first one is Orange) * P(the second one is Orange)

= 10/40 * 9/39 = 3/52.

6 0
3 years ago
With a method !!!!!
Nezavi [6.7K]

Answer: 3344c^2m^2

Step-by-step explanation:

3 0
3 years ago
What is a Speed Run? What games are made for Speed Running? ( Please answer truthfully with at least one sentence. )
Yuki888 [10]

Answer:

a speed run is technically Speed work refers to a type of running workout in which you are running for certain intervals near, at, or even faster than your VO2max pace.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the factored form of 8x2 + 12x?
bija089 [108]
The factored form is B. 4x(2x+3)
5 0
3 years ago
Other questions:
  • Sandra and her friend went to the candy store. Each of the purchased a bag of jelly beans. Sandra's bag weighed 1.25 pounds. Her
    14·2 answers
  • Find the median of the test scores: 95, 65, 80, 95, 70, 65, 35, 70, 60, 70, 95.
    7·2 answers
  • Find the missing value.<br> Hint: Use the number line to find the missing value.
    10·2 answers
  • Pleaseeeeee helppppp
    11·1 answer
  • Mark paid $2 94 in sales tax on an item that cost $42.00 before tax. At that rate, how much would he pay in sales tax for an ite
    13·1 answer
  • I have 5 identical envelopes. You get to pick one.
    15·1 answer
  • Which of the following statements are equivalent to the statement "price increased by 100%"?
    15·1 answer
  • A company makes two products from steel; one requires 2 tons of steel and the other requires 3 tons. There are 100 tons of steel
    14·1 answer
  • What equation does the model represent?
    12·1 answer
  • Mariah and her friend go out to lunch. Their bill is $32.00 plus 8% sales tax. If they want to give a 20% tip, what is the TOTAL
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!