Answer:
x=2 and y=3.
Step-by-step explanation:
Let the one number be x and the other number be y.
ATQ, 2x=1+y and x+y=5. x=2 and y=3.
The arrow should be pointing to the negatives
Answer:
(i) 32 cubic meters, (ii) 800
Step-by-step explanation:
(i) 1 x 4 x 0.5 = 2 m3, x 16 = 32
(ii) 1000 litre per m3 = 32,000 litres required divided by 40 = 800 bags.
Answer:
v = 87
Step-by-step explanation:
the angle v+39 lies on a straight line. so substract v+39 from 180 to get the interior angle for that side.
afterwards, knowing that the sum of interior angles of a triangle = 180, form an equation with all the angles and solve for v
