The 1's value in that math problem is number 4 it is right before the decimal.
Avg. speed Joanna runs: 7.5km/h
how much she runs everyday: 15km
15km/7.5= 2 hours of running time everyday
She leaves at 8:30, comes back at ?
8:30+ 2:00= 10:30
Joanna arrives back at 10:30a.m.
Answer:
It's 4x - 8 + 4y
Step-by-step explanation:
4(x-2+y)
4 (x) = 4x
4 (2) = 8
4 (y) = 4y
4x - 8 + 4y
Answer: 9
Step-by-step explanation:
first u have to add up all the numbers "12 + 2 + 9 + 12 + 10" and that's 45 then u have to divide by how many numbers there are, so there's 5 numbers. ur dividing "45/5" which is 9 so the mean is 9
mark as brainly plss
Answer:
see explanation
Step-by-step explanation:
Using the rules of exponents
• 
⇔ 
• 
= 1
• 
× 
⇔ 
Given
(a)
= 
(b)
= 3³
(c)
× 
× 
= 
× 1
= 
= 
