Answer:
Step-by-step explanation:
<u>Given</u>
<u>Solution</u>
- - 6x + (-4x) = -50
- -10x = -50
- x = -50/-10
- x = 5
- y = -4*5 = -20
Here is the work hope this helps!
Rule needed: i^2 = -1
Standard form a + bi
(3 + 2i)(7 - 5i) FOIL
3 * 7 = 21
3 * - 5i = - 15i
2i * 7 = 14i
2i * -5i = - 10i^2 = - 10 * -1 = 10
Putting it all back together.
31 - i
Step-by-step explanation:
(n-2)×180=3420
180n-360=3420
180n=3420+360
180n=3780
n=3780/180
n=21
that is, the number of sides is 21
to get the size of each exterior angle=
360/21
=17.14°
If they are looking to have them all simplified, this is how they should look.
4y - 4
4y + 4
4y + 1
