The least common denominator of 10 and 15 is 30. It's easiest to use trial and error to find the LCD. In this case, just multiply both numbers by 2 and see if that works. Since 15 doesn't go into 20, I tried multiplying 15 by 2 instead, and got 30, which is divisible by 2. If that doesn't work, move on to multiplying them by 3, then 4 four, and so on. However, in this case, it did work, so, since you multiplied 15 by two to get 30, multiply 7 by two to get the fraction 14/30. Then, since you multiplied 10 by 3 to get 30, multiply 2 by 3 to get 6/30. Then, add the two together to get 20/30 and simplify the fraction to 2/3.
2/10 + 7/15 Given.
6/30 + 14/30 LCD.
20/30 Add.
2/3 Simplify.
Answer:
double becuase i can doubleand then subtract by one
Step-by-step explanation:
When 2x-5=0, implies that at x=5/2 function has discontinuity.
<h2>Steps:</h2>
So for this, we will be setting up a system of equations with the information we have:
Now we have our system of equations set up. Next, I will be using the substitution method to solve this system. So firstly, subtract y on both sides of the first equation:
Now, substitute x for (13 - y) in the second equation and solve for y as such:
Now that we have the value of y, substitute it into either equation to solve for x:
<h2>Answer:</h2>
<u>In short, the first number (x) is 8 and the second number (y) is 5.</u>
Answer:
If is 4.3
If is 30
Step-by-step explanation:
If is 30: