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ASHA 777 [7]
3 years ago
14

Idk how to do number 16

Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 0
On what? Adding subtracting making a fraction tree
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Multiply and simplify the product.
lianna [129]
Multiplying complex numbers is a lot like multiplying binomial terms. The only relation one has to remember when dealing with complex numbers is that i² = -1.

Now let us try to multiply binomials. This is done by adding the products of the first term of the first binomial distributed to the second binomial, and the second term of the first binomial distributed to the second binomial. This is done below:

(<span>3 – 5i)(–2 + 4i)  = -6 + 12i + 10i -20i²
</span>
Simplifying and applying i²<span> = -1:</span>
-6 + 22i - 20(-1)
-6 + 22i + 20
14 + 22i

Among the choices, the correct answer is B.
5 0
3 years ago
Read 2 more answers
Solve the system of equations. y=-3x+4 -4x+y=-10​
Angelina_Jolie [31]

Answer:

Step-by-step explanation:

In this particular case we have the following system of equations:

y

=

−

3

x

+

4

[

E

q

.

1

]

x

+

4

y

=

−

6

[

E

q

.

2

]

Substituting

[

E

q

.

1

]

in

[

E

q

.

2

]

:

x

+

4

(

−

3

x

+

4

)

=

−

6

Applying the distributive property on the left side:

x

−

12

x

+

16

=

−

6

Simplifying

:

−

11

x

=

−

22

Solving for

y

:

x

=

−

22

−

11

=

2

Substituting

x

=

2

in

[

E

q

.

1

]

:

y

=

−

3

(

2

)

+

4

=

−

2

Therefore

, the solutions are

x

=

2

and

y

=

−

2

7 0
3 years ago
Read 2 more answers
Sales for a company were 3 million dollars more the second year than the first, and sales for the third year were doubled the sa
Sati [7]

Year 3 = 2s

Year 2 = 3 + x

Year 1 = x

s = second year

x = first year

2s = 26

s = 13

The second year they made 13 million

13 - 3 = 10

x = 10

They made 10 million the first year.

6 0
3 years ago
Read 2 more answers
What is the simplest form of 13/14
OleMash [197]
13/14 is already in simplest form because they have no common factors.
7 0
3 years ago
Read 2 more answers
The bill for Jacoby's breakfeast at a Nashville restauraunt is $9. He wants to leave a 20% tip. How much should the tip be?
aleksandrvk [35]

Answer:

$1.80

Step-by-step explanation:

9x0.2=1.80

He should leave 1.80 as a tip.

8 0
2 years ago
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