3 years ago

How do i solve this using imaginary numbers? PLEASE HELP

Mathematics

1 answer:

Tasya [4]3 years ago

8 0

Answer:

14 -2i

Step-by-step explanation:

9 + sqrt(-4) - ( -5 + sqrt(-16))

We know the sqrt of a negative number is i * sqrt(number)

9 + isqrt(4) - ( -5 + isqrt(16))

9 + 2i - (-5 + 4i)

Distribute the negative sign

9+2i +5 -4i

Combine like terms

14 -2i

You might be interested in

Which graph shows a graph of a circle with equation x 2 + (y+3) 2 =9

Nat2105 [25]

<h2>Answer:</h2>

The graph of the circle is given in the image attached

6 0

2 years ago

HFG would equal what degrees?

Cloud [144]

Answer:

do 2x + 52 = 21 + x + 31 and solve for x and plug it in

please let me know if this was helpful :)

4 0

2 years ago

Read 2 more answers

What is the exact value for the expression V52 - V13 + V117 ? Simplify if possible. (5 points)

Mrac [35]

Answer:

$4\sqrt{13}$

Step-by-step explanation:

$\sqrt{52} -\sqrt{13} +\sqrt{117} =$
$\sqrt{4*13} -\sqrt{13} +\sqrt{9*13} =$
$2\sqrt{13}-\sqrt{13} +3\sqrt{13} =$
$4\sqrt{13}$

6 0

2 years ago

Read 2 more answers

Anyone really good at right triangles and trigonometry? I need help ASAP.

Verizon [17]

Can help you w/ your problem

5 0

3 years ago

Read 2 more answers

HURRY!!

vovikov84 [41]

Step-by-step explanation:

-0.5x >= 4

x <= -8 (divide by -0.5, flip the inequality sign)

Hence the correct number line is the 2nd one.

4 0

2 years ago