find the missing number in 3 4/5 divide [ ] = 2 5/7
Let the unknown number be x
can be written as
So equation becomes
We need to get x alone, so we multiply by x on both sides
Now to remove 9/7 we take reciprocal and multiply it on both sides
The missing number is
Answer:
47.3
Step-by-step explanation:
A triangles angles add up to 180 degrees
At 42.7 and 90 and you get 132.7
Subtract 132.7 from 180 and you get 47.3 degrees.
Answer ⟶