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jonny [76]
4 years ago
13

Multiply the following complex numbers (6+3i)(3+i)

Mathematics
1 answer:
Dvinal [7]4 years ago
6 0

Answer:

15i+15

Step-by-step explanation:

(6+3i)(3+i)

18+9i+6i+3i^2

18+15i+3(-1)

18+15i-3

15i+15

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Thuy drives 270 miles in 6 hours. How many miles does Thuy drive in 13 hours ​
yan [13]

Answer:

Hi there!

The answer is;

585 miles per 13 hours

Step-by-step explanation:

270 miles per 6 hours

/6 to determine miles per hour

45 miles per 1 hour

× 13 to determine miles per 13 hours

585 miles per 13 hours

Hope this helps!

4 0
3 years ago
Identify the matrix transformation of ΔKLM, which has coordinates K(−2, 3),L(−4, −2), and M(−3, 0), for reflection across the x-
mafiozo [28]
Lol Kinda hard try again
3 0
3 years ago
I need help with number 7 too.
eimsori [14]

Answer:

Look Below

Step-by-step explanation:

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3 0
4 years ago
Read 2 more answers
Show two different ways to factor −4x −28.
vazorg [7]

Step-by-step explanation:

-4x - 28 = -4(x + 7) or 4(-x - 7)

Topic: Algebraic factorization

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

8 0
3 years ago
If f(x) =15-4(x+3), what is f(-4)?<br>​
tresset_1 [31]

Answer:

19

Step-by-step explanation:

f(-4) = 15-4((-4)+3)

       = 15-4(-1)

       = 15-(-4)

       =15+4

4 0
4 years ago
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