1 kilometer=1000 meters so the 8 kilometers he ran would be 8000 meters then theres the 500 he sprinted. he climbed bleachers for 1.5 kilometers which would equal 1500 meters so 8000+500+1500=10,000. He traveled 10,000 kilometers.
-2/3(2x-1/2) ≤1/5x-1
Simplify the left side:
-4/3x+1/3 ≤1/5x-1
Subtract 1/5x from each side:
-23/15x + 1/3≤-1
Subtract 1/3 from each side:
-23/15x ≤-4/3
Divide both sides by -23/15:
X = -4/3 / -23/15
X ≥ 20/23
Convert to interval notation:
[ 20/23 , ∞)
Answer:
15/322
Step-by-step explanation:
There are 12 tests of test A, and there are 12 tests of test B.
For the student to get A, it is a 12/24 chance.
For the next student, it is a 11/23 chance
For the next 10/22
For the next 9/21
12/24*11/23*10/22*9/21=15/322
15/322 chance
Answer:
16.7 miles per hour.
Step-by-step explanation:
1/10 hour is equal to 6 minutes so it takes him 6 minutes to walk 1/6 mile. So he's walked 1 mile in 36 minutes.
Then we divide 1 mile by the time it took him to walk it to know how much distance he walks in 1 minute 1 mile/36=0.277777778
Then you multiply this by 60 because an hour has 60 minutes
0.277777778 x 60=16.7
This means he is walking at 16.7 mph