2 years ago

Convert 3cis 180° to rectangular form.

1 answer:

8 0

$3\mathrm{cis}180^\circ=3(\cos180^\circ+i\sin180^\circ)=3(-1+i\times0)=-3$

You might be interested in

Alinara [238K]

Answer:

y + 4 = 5(x - 3)

Step-by-step explanation:

In the Point-Slope Formula, y - y₁ = m(x - x₁), all the negative symbols give the OPPOSITE terms of what they really are.

6 0

2 years ago

Klio2033 [76]

3[x+3(4x-5)]=15x-24; x+12x-15=5x-8 (divide both sides by 3); 8x=7 (move all the x's to one side), x=7/8

7 0

3 years ago

Karolina [17]

I think its the secondd

8 0

3 years ago

givi [52]

Vectors and scalars are not the same quantity

7 0

2 years ago

Andrej [43]

9514 1404 393

Answer:

b. y = (x - 5)² - 4

Step-by-step explanation:

Here, we take "standard form" to mean "vertex form."

In the US, "standard form" would be ...

y = x² -10x +21

Vertex form is ...

y = (x -5)² -4 . . . . matches B

4 0

2 years ago