First, factor out 5:
5 (x² -x -20)
We need two numbers that add to -1 and multiply to -20. -5 and 4 satisfy this.
5(x-5)(x+4)
1 hour=3600 seconds
1 mile=5280 feet
87 miles/hr (1 hr/3600 sec)(5280 ft/mile)=127.6 feet/sec
Distance= Rate*time
d=127.6(12)=1531.2 feet (after 12 seconds)
Answer:
the answer is 1
Step-by-step explanation:
Nine thousand, two hundred.
Answer:
A) x=2
B) x=6
C) x=0
D) x=6
E) x=2
Step-by-step explanation: