Because the numbers are the same they just have different amounts of zeros so 8,000 has 3 Zeros 800 has 2 so 2 zeros cancel out and 8 cancel eachother so you are left with 10
Answer:
9.16 minutes per mile
At 10 miles, she is short of her intended rate
Step-by-step explanation:
2 hours means 60 * 2 = 120 minutes
Randy aims to run 13.1 miles in 120 minutes. So to get the rate [min/mi], we must divide total minutes by total miles:
120/13.1 = 9.16 minutes per mile
Moreover, she realized at 10 miles, she has taken 90 minutes. So her rate at that point [min/mi] is:
90/10 = 9 min/mi
Well, Randy is short of her intended rate
Answer:
(x+6)(x+2)(x-5)(x-7)
Step-by-step explanation:
step 1: ((((x4)-(4•(x3)))-72x2)+136x)+420
step 2: ((((x4) - 22x3) - 72x2) + 136x) + 420
step 3: Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 2 and 6
x2 + 2x + 6x + 12
step 4: Add up the first 2 terms, pulling out like factors :
x • (x+2)
Add up the last 2 terms, pulling out common factors :
6 • (x+2)
step 5: Add up the four terms of step 4 :
(x+6) • (x+2)
Which is the desired factorization
Answer:
33.3
Step-by-step explanation: