Answer:
Step-by-step explanation:
a) 310cos25 = 281 N
b) (620 - 281) / cos-18 = 356 N
Answer:
m = 21
n= 25
Step-by-step explanation:
the equations are:
n + m= 46
5m-30 = 3n
plz vote brainliest :)
Answer:
1) A
2) A
3) C
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
The square oh the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
h² = (9
)² + (9
)² = 162 + 162 = 324 ( take the square root of both sides )
h =
= 18 → D