X, x+1, x+2, x+3 - four consecutive integers

The integers are 169, 170, 171 and 172.
Answer:
GH = 7
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin45° = 
sin45° =
=
=
=
( cross- multiply )
GH = 7
Answer:
-1/2
Step-by-step explanation:
cos(x+pi) = -cos(x), so the answer is -1/2.
Answer:
1257.14 m or 1.26 km
Step-by-step explanation: hope this helps :)