Time taken for Kristin to catch up with the truck will be found using the formula
time=(distance)/(speed)
distance=20 km
speed=90 km/h
thus
time=20/90=2/9 hours

Answer: 2/9 hours

5 0

3 years ago

78% of students in the 7th grade

irina1246 [14]

Answer:

Step-by-step explanation:

percentage Students

78%-------------- -273

100%-------------- ---X

(100x273)/78 = 350 students in class so

how many did not pass?

350-273 = 77 students not pass

6 0

3 years ago

Read 2 more answers

Please help it's due today. Also please don't help if you don't know.

zavuch27 [327]

Answer:

${x}^{16} {y}^{22}$

Step-by-step explanation:

multiple the top exponents by 3 and the u subtract the bottoms

4 0

3 years ago