3 years ago

Write (2/3 + 6i) + (5/2i) as a complex number in standard form

Mathematics

1 answer:

Llana [10]3 years ago

7 0

it would be 52⋅i+(23+6i)

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a clothing store is having on shirts and jeans. four shirts and two pairs of jeans cost $72. Five shirts and three pair of jeans

Mars2501 [29]

Answer:

Step-by-step explanation:

s= shirts

j= jeans

4s + 2j = 72

5s + 3j = 99

10s + 6j = 198

-12s - 6j = -216

-2s = -18

s = $9

4(9) + 2j = 72

36 + 2j = 72

2j = 36

j = $18

6 0

3 years ago

I don't know how to factor this, what should I do to get the right answer

lina2011 [118]

Answer:

Step-by-step explanation:

First, you can reduce it

4(n^2-11n+30)

This should make it easier to work with. But remember, keep the 4 there. You cannot just get rid of it because it would change the value of the equation

Now find factors of 30 that have a difference or ad up to 11.

Factors of 30:

1, 30

2, 15

3, 10

5, 6

Ahh yes, 5 and 6 add to 11

4(n-5)(n-6)

7 0

4 years ago

Explain to a friend how you would multiply 3x32.

denis-greek [22]

whip out a calculator punch in the numbers and yell at them to read the answer

3 0

3 years ago

Read 2 more answers

Divide. Express the quotient in simplest form.

Scorpion4ik [409]

$( \frac{x^2 - x -12}{2x} )$ ÷ $( \frac{x^2 - 2x - 8}{4x^2} )$

= $( \frac{x^2 - x -12}{2x} )$ × $( \frac{4x^2}{x^2 - 2x - 8} )$

= $\frac{x(x^2 - x -12)}{x^2 - 2x - 8}$

= $\frac{x(x^2 -4x +3x -12)}{x^2 -4x +2x -8}$

= $\frac{x[x(x - 4) +3(x - 4)]}{x(x - 4) +2(x - 4)}$

= $\frac{x(x-4)(x+3)}{(x-4)(x+2)}$

= $\frac{x(x+3)}{(x+2)}$

3 0

3 years ago

This isn't a question, just a tip!

masya89 [10]

Aww thank you. Im pretty sure you helped people cause you helped me :) I hope you have an amazing day!

3 0

3 years ago