Answer:
You may use cos 60° or sin 30°. Let's use cos 60°.
cos 60° = opp/hyp = (2 mm)/j
or
j = (2 mm)/(cos 60°) = 4 mm
Complex roots come in pairs
if you have a root of 3+i you must have a root of 3-i
Answer:
1.2 hours equal to 30mph
Step-by-step explanation:
Pls mark brainliest
Answer:X=4
Step-by-step explanation:
Congruent triangles method
AB/DB=BC/EC
10-x+x/10-x=3+2/3
10/10-x=5/3
30=50-5x
30-50=-5x
-20=-5x
X=4
Answer:
x = 13
Step-by-step explanation:

Take the square root of both sides
