Answer:
y = 3
Step-by-step explanation:
According to Euclidian theorem:
y^2 = 3*(12+3)
y^2 = 45 find the root of both sides
y = 3
Answer:
, 4.23 , 9/2
Step-by-step explanation:

9/2 = 4.5
4.23
Multiply 30 and 12 and your answer will be 360
Answer:
m = 10 , n = 5
Step-by-step explanation:
using the cosine and tangent ratio in the right triangle and the exact values
cos45° =
and tan45° = 1 , then
cos45° =
=
=
( cross- multiply )
m = 5
×
= 5 × 2 = 10
-----------------------------------------
tan45° =
=
= 1 , then
n = 5
Answer:
74940, three
Step-by-step explanation:
74.94 × 10³
74.94 × 1000
74940