Answer:
20
Step-by-step explanation:
1400/70 = 20
Answer: 20
Answer:
Step-by-step explanation:
4x+4=3x-6
subtract 4 from both sides
4x=3x-10
subtract 3x from both sides
x=-10
-7 (3e-2f+4)+6e-2= -21e +14f -28 +6e -2= -15e +14f -30
Answer:
tan²x
Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1
Divide all terms by cos²x
+
=
, that is
tan²x + 1 = sec²x ( subtract 1 from both sides )
tan²x = sec²x - 1