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2 years ago

What is (3 - 3i)(-5 - 4) in the form a + bi?

Mathematics

2 answers:

Naya [18.7K]2 years ago

8 0

Answer:

-27+27i

Step-by-step explanation:

you are trying to simplify this and have to follow pemdas and rearrange it into a+bi form

Ulleksa [173]2 years ago

4 0

Answer:

Hey

Step-by-step explanation:

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2 years ago

Find the distance between points P(3, -8) Q(7,4). Round to the nearest tenth if necessary

Gnom [1K]

To calculate the distance between two points, we can use a formula that is a variation Pythagorean Theorem. Look:

$\mathsf{d=\sqrt{(x_Q-x_P)^2+(y_Q-y_P)^2}}$

"d" represents the distance and coordinates are expressed as follows: (x, y)

Let's go to the calculations.

$\mathsf{d=\sqrt{(x_Q-x_P)^2+(y_Q-y_P)^2}}\\\\ \mathsf{d=\sqrt{(7-3)^2+(4-(-8))^2}}\\\\ \mathsf{d=\sqrt{(4)^2+(4+8)^2}}\\\\ \mathsf{d=\sqrt{16+(12)^2}}\\\\ \mathsf{d=\sqrt{16+144}}\\\\ \mathsf{d=\sqrt{160}}\\\\ \mathsf{d=12,649110640673...}\\\\ \underline{\mathsf{d\approxeq12,6}}$

The answer is 12,6 u.c.

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2 years ago

What is (3 - 3i)(-5 - 4) in the form a + bi?​

What is (3 - 3i)(-5 - 4) in the form a + bi?