Answer:
= 50 Minutes
Whole Race Time : 2 Hour and 50 Minutes
Step-by-step explanation:
so 2 Hour =
Race completed
we need to find what 1/4 Race = x Hours
so 200 divided by 4 because
Race is done.
we need to find how long to finish the whole race also known as
.
200 divided by 4 = 50
so Holden still need 50 Minutes to finish the race.
Answer:
a. Diego
b. Lin
Step-by-step explanation:
a. Diego
b. Lin
It's pretty easy just do some subtraction.
Actually look and pay attention in class this is like grade 1 math.
Answer:
-- Proved

Step-by-step explanation:
Given


Required
Show that 
The volume is calculated as:

Open the brackets



Collect Like Terms


Divide through by 4


Solving further:
Expand the expression

Factorize:


Split:


Answer:
12%
Step-by-step explanation:
if you divide 5 from 1 hour which is 60 min you get 12 and convert that to percent and you get 12%
Answer:
(2z + 5)(2z - 3)
Step-by-step explanation:
4z² + 4z - 15
4z² + 10z - 6z - 15
2z (2z + 5) - 3 (2z + 5)
(2z + 5)(2z - 3)