Answer:
1
Step-by-step explanation:
sin x = ½
x = π/6 = 30°
then
cos (x -π/6) = cos 0° = 1
Answer:
49π or 153.938 mm²
Step-by-step explanation:
Area of a Circle Formula: A = πr²
Since we are given radius <em>r</em>, simply plug it into the formula:
A = π(7)²
A = 49π
A = 153.938
Watch this and you will be alright .
https://youtu.be/f15zA0PhSek
Answer:
Step-by-step explanation:
Let income=X
Given he spend 1/5of his income on food.=X/5
He spend 1/3 of his income on car=X/3
Left with=286
So
x-(X/5+X/3)=286
x-8x/15=286
7x/15=286
X=286×15/7
X=612.85
His income is 612.85.