Answer:
-5/7
Step-by-step explanation:
-3 3/7 + 2 5/7
-3 - 3/7 + 2 + 5/7
-3 + 2 + 5/7 - 3/7
-1 + 2/7
-5/7
10C4 represent the Combinations of 10 objects taken 4 at a time.
The formula for nCr is:

In the given case, n=10 and r=4. Using these values we get:

This means we can make 210 combinations of 10 objects taken 4 at a time.
<span>
Rate = 40/16 = 10/4 = 5/2 = 2.5 meters/second
Unit rate = ratio where denominator is 1 = 2.5/1 meters/second
</span>
Answer:
linear equation.
Step-by-step explanation:
Please mark as brainliest
Answer:

Step-by-step explanation:
<u><em>The picture of the question in the attached figure</em></u>
we know that
The perimeter of a triangle is the sum of the length of their three sides
so

where
a,b,c are the length sides of the triangle
In this problem we have

substitute and solve for the missing length
