Answer:
y = -19
Step-by-step explanation:
3<em>x</em> + 120° + <em>x</em> + 120° = 360°
4<em>x</em> + 240° = 360°
4<em>x</em> = 120°
<em>x</em> = 30°
<em>y</em> = 1/2 (3<em>x</em> - <em>x</em>)
<em>y</em> = 1/2 (90° - 30°)
<em>y</em> = 1/2 × 60°
<em>y</em> = 30°
Answer:
3/4
Step-by-step explanation:
3/4 as a decimal is .75
.75>.73
Answer:
E.
Step-by-step explanation:
6^2=x^2+3^2
X^2=36-9
X=

The double angle identities are


Then


The second identity together with the Pythagorean identity,
, gives us another equivalent expression:

so
