3+5=8
8/20 =.4
.4 goes to 40% bc you move the decimal over twice
Answer:
12
Step-by-step explanation:
Start at negative 8 on the number line than move to positive 20
Answer:
Slope= -1
Step-by-step explanation:
The point is X
Answer:
CD=9
Step-by-step explanation:
ΔABD=>
AD²=AB² + BD² [Pythagorean Theorem]
BD²= AD²-AB²
BD²=9²-3²
BD²=72
BD=√72=6√2....(1)
ΔBCD=>
CD²=BD²+BC²
CD²=(6√2)² + 3²
CD²=72+9
CD²=81
CD=√81
CD=9