3 years ago

Please someone help me with B), C) and D)!!!

Mathematics

1 answer:

laila [671]3 years ago

3 0

Answer: multiply each side then multiply the answer by 2

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%7B-4%7D%20%7D%7B%283%2B1%29-%282%2B3i%29%7D%20" id="TexFormula1" title

frozen [14]

$\sqrt{-4}$ can also be written as 2i
where i = √-1

$\frac{2i}{4-2-3i} = \frac{2i}{2-3i}$

Rationalizing denominator,

$\frac{2i(2+3i)}{(2-3i)(2+3i)} = \frac{4i-6}{4+9} = \frac{4i-6}{13}$

8 0

3 years ago

Drag expressions into order to show a way to find 3 × 56.

lina2011 [118]

As we could "drag" these together, we could then do it the easy way.

56
+56
+56
-------
168
------------------------

Or we could also do the following:

56 $*$ 3:

6 $*$ 3= 18.

Carry the one.

5 $*$ 3 = 15+1 (which was carried). = 16

(16+8) = 168

7 0

3 years ago

Read 2 more answers

This table shows values that represent an exponential function. What is the average rate of change for this function for the int

Pepsi [2]

Answer:

$\boxed{12}$