For twice a number we can use the variable x
For four times a number we can use the variable c
4c - 2x + 15
I believe this is correct although I'm not 100% sure
Answer:
<em><u>2/10 and 3/10</u></em>
Step-by-step explanation:
Hello!
The best way of finding common denominators is using their factors!
(of denominators)
10 : 1, 2, 5, 10
2 : 1, 2
We also can see that 10 is divisible by 2.
For that reason, 1/2 is equivalent to 2 * 10 ÷ 2.
That's 10.
So <em>5/10 and 3/10</em> have a common denominator 10.
Hope this helps!
<h2>
Explanation:</h2>
In physics, work is defined force that causes displacement. So this can be expressed by the following equation:

Where:

The force can be found as:

And for the displacement:

The force (weight) is down and the displacement is up, then the work must be negative. So:

Answer:
x=175
Step-by-step explanation:
8/20 of a minute or 2/5 of a minute