8.715
2.49 x 3 1/2 = 8.715
Answer: 12a-a (hope this helps :)
=12a-1a
=12a+-1a
=a+a+a+a+a+a+a+a+
=a+a+a+a+a+a+a+a+
=11A
Step-by-step explanation:
Draw the triangle formed by the ray.
The hypotenuse of the triangle is:
c² = a² + b²
c² = (-5)² + (2√7)²
c² = 25 + 28
c = √53
Therefore:
cos β = -5 / √53
Or, as a proper fraction:
cos β = -5√53 / 53
Answer:
3 packages of sausages and 2 packages of bread rolls.
Step-by-step explanation:
3 times 12 is 36
18 times 2 is 36