Answer:
10. 30km
11. 288km
12. 99km
Step-by-step explanation:
If 1cm=12km, just take the amount of cm and multiply by 12km.
For example, 2.5x12=30, and 24x12=288.
I hope this helps :)
Answer:
96
Step-by-step explanation:
25% is 1/4 of 100%
thus, if you multiply 24x4 you get 100%
Answer:
10
Step-by-step explanation:
first u take 2 1/2 and change it into a improper fraction.
so 2 X 2 = 4 then + 1
=5
5/2 divide by 1/4
which is 10
Answer:
See below (I hope this helps!)
Step-by-step explanation:
Because odd numbers are always 1 greater than even numbers, we can call the two odd numbers x + 1 and y + 1 where x and y are even integers. Multiplying the two gives us:
(x + 1) * (y + 1)
= x * y + x * 1 + 1 * y + 1 * 1
= xy + x + y + 1
We know that x * y will be even because x and y are also even and the sum of two even numbers will be even, and we also know that x and y are even and that 1 is odd. Since the sum of even and odd numbers is always odd, the product of any two numbers is always odd.
*NOTE: I put a limitation on x and y in my proof (the limitation was that x and y must be EVEN integers) but you don't have to do that, you could make the odd integers 2x + 1 and 2y + 1 where x and y could be any integer from the set Z like mirai123 did. I simply gave this proof because it was the first thing that came to mind. While mirai123's proof and mine are different, they are still both correct.
