Answer: 60°
Step-by-step explanation: use exterior angle property,
therefore, y+70°=130°
y=130°-70°
y=60°
300 is the original amount and 0.5 is the rate (a percent) which is deacying because it is less than 1
80% of 80 is 64. Hope this helps:)
You should choose c because it makes the most sense out of all of them
The hypotenuse of a 45 45 90 triangle equals one of the legs times the square root of 2
hypotenuse = 8 *
<span>
<span>
<span>
1.4142135624
</span>
</span>
</span>
hypotenuse =
<span>
<span>
<span>
11.3137084990
</span>
</span>
</span>
Source:
http://www.1728.org/trig2.htm
