Answer:
x = - 3 ± 2
Step-by-step explanation:
Given
2x² + 12x = 6 ( divide through by 2 )
x² + 6x = 3
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(3)x + 9 = 3 + 9
(x + 3)² = 12 ( take the square root of both sides )
x + 3 = ± 
= ± 2 ( subtract 3 from both sides )
x = - 3 ± 2 ← exact solutions
Answer:
Step-by-step explanation:
As 360°= 2 π Radian
1 Radian =
1. Sin(-1)= Sin ( )
= Sin (-57°16'22")=-0.84147
2.
= (229°54'32")
=75.963757 Degrees
3.
= (5°43'38")
= 84.26083 Degrees
Vertical angles are angles that are the same (for example >< since they're the same). Adjacent angles are angles that share a side with another angles, such as \|, since they are sharing on angle that connects the two.
Now that you know what each is, you can tell that they are similar because <em>they both have something in common</em>. When dealing with vertical angles, you can tell that they are the same thing, meaning they each share the whole shape of the angle. Adjacent angles share one whole line together; therefore, showing you that both have a line in common.
adjacent angle A <em>they both share angle A.</em>
|
|
B____|________C
vertical angle <em>they both share the same shape; they have four lines, and they also share angle C</em>
a b
\ /
\ /
\ /
C \/
/\
/ \
/ \
/D \E
hope this helps :)
First, 4d-7=25/4
Then,4d=53/4.
Then you cross multiply, to get 16d = 53. Your final answer is 53/16, or 3 5/16.
Answer:
66
Step-by-step explanation:
You divide the two figures up. So there's a square and a rectangle,right? So then the perimeter is the sum of all sides so for the square all sides are equal so 5+5+5+5 since it has four sides. And for the rectangle it's 7+16+7+16. I got 16 by adding 5+11 since 11 meters is just a portion of the length of the rectangle not the whole thing. Then you add the answer you got for the square by the answer you got for the rectangle.Ur probably not gonna read this but whatever
