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Paul [167]
3 years ago
9

Write an

Mathematics
1 answer:
son4ous [18]3 years ago
4 0

Answer:

sheeesh 69

Step-by-step explanation:

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PLEASE HELP!! Serious answers only please!!
klemol [59]

Answer:

Step-by-step explanation:

Use the distributive property to get rid of the brackets.

9i + 2*7 + 2*3i        Use the multiplication property to simplify the imaginary terms

9i + 2*3i + 2*7        Do the same to the real term

9i + 6i + 14              Use the addition of like terms property

15i + 14                    And that's your answer.

You may not like my terminology, but you have to remember that every text teaches this differently.

7 0
2 years ago
What is the solution to the following system of equations? 4x + 2y = 18 x − y = 3
Ber [7]

For this case we have the following system of equations:

4x + 2y = 18\\x-y = 3

To solve, we clear "x" from the second equation:

x = 3 + y

We substitute "x" in the first equation:

4 (3 + y) + 2y = 18\\12 + 4y + 2y = 18\\12 + 6y = 18

We clear the value of the variable "y":

6y = 18-12\\6y = 6\\y = \frac {6} {6}\\y = 1

We look for the value of the variable "x":

x = 3 + y\\x = 3 + 1\\x = 4

Thus, the solution of the system is given by:

(x, y) :( 4,1)

Answer:

(x, y) :( 4,1)

Option D

4 0
3 years ago
What is 30% of 25.45?
Alekssandra [29.7K]

Answer:

7.635

Step-by-step explanation:

i hope it helps:)

3 0
3 years ago
Read 2 more answers
What is larger 27 feet 7 yards or 312 inches
olga2289 [7]

312 inches in feet: 26

7 yards in feet: 21 ft

<h2><u>2</u><u>7</u><u> </u><u>FT</u><u>!</u></h2>

6 0
3 years ago
Read 2 more answers
Question 21 is probably the hardest question on this homework
Snezhnost [94]
-15+5x= 20

5x= 35
x= 7

20= -15+5x

35= 5x

7 = x
7 0
3 years ago
Read 2 more answers
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