Answer:
-9
Step-by-step explanation:
why not
Answer:
Step-by-step explanation:
Use trig identities:
1
+
tan
2
x
=
1
cos
2
x
=
sec
2
x
(
1
−
tan
x
)
=
1
+
tan
2
x
−
2
tan
x
=
sec
2
x
−
2
tan
x
Answer:
the answer is C
Step-by-step explanation:
Answer:
28:35
Step-by-step explanation:
Since Rita is trying to prove that the two triangles are similar, she will be looking for corresponding sets of sides that have an equivalent ratio. Therefore, since for the big triangle she uses sides PQ and PR, the corresponding sides on the smaller triangle would be PS and PT, which have a ratio of 28:35. Hope this helps!
Answer: Speed of motorboat= 25 km hr
Speed of current= 5km hr
Step-by-step explanation:
120/4= speed of motorboat with the current
120/6= speed of motorboat against the current
Get the average of those 2 numbers.
Motorboat=25 km hr
Speed of current= 5 km hr