Answer:
area after 8 years is 2156km²
Step-by-step explanation:
Area of forest=4900 km²
decrease in area in 1 year=4900km² × 7%
decrease in area in 1 year= 343km²
decrease area in 8 years=343km² × 8
=2744km²
Remaining area= (4900-2744)km²
=2156km²
Note:If you have any question about it please ask.
Polar coordinates identifie the points of the plane by a distance from the reference point and an angle from a reference direction.
In this case the distance of (0,-2) from the origin is 2 and the anglefrom the x-axis is 180°. So the polar coordinates are (2, 180°)
Answer:
15
Step-by-step explanation:
Set up a proportion.
6/10 = x / 25 Cross Multiply
10*x = 6 * 25 Combine the right.
10x = 150 Divide both sides by 10
10x / 10 = 150/10 Do the division
x=15
She should complete 15 baskets
1 liter has 1000 ml
0.5 l = 2.59
500 ml = 2.59
_____
200 ml = 0.92
100 ml = 0.46
500 ml = 2.3
second deal is better by 29 cents