Answer:
8
Step-by-step explanation:
2 x 4 = 8
Number of pieces he has.
He needs one of the 8 pieces
he has to make a bow.
Hour one:
Eastbound train- 65 mi
Westbound train- 85 mi
150 miles apart
Hour two:
Eastbound train- 130 mi
Westbound train- 170 mi
300 miles apart
Eastbound train travels 32.5 miles in 30 min, Westbound train travels 42.5 miles in 30 min
Two and a half hours:
Eastbound train- 162.5 mi
Westbound train- 212.5 mi
Answer:
A = 1133.54 cm^2
Step-by-step explanation:
Remember, our diameter is twice the length of our radius.
Diameter = 2 * Radius
Our diameter is 38 cm, meaning our radius is 19 cm.
A = pi * (r^2)
A = 3.14 * (19cm)^2
A = 3.14 * 361cm^2
A = 1133.54 cm^2
6m+6n=-30
6m-5n=14
11n=-44
n=-4
m=-1
Ordered pair is (-1,-4)
Make them equal to each other.
x+40=3x-10
50=2x
x=25