Answer:
These are both 20 so that means that this is proportional, yes.
Step-by-step explanation:
Hi.
To figure this out we can do something called cross multiplying to find a cross product. If we do this and our two answers are equal then it is indeed a proportion.
Here is how we do this.
So basically what we are doing is multiplying across in a diagonal direction.
Diagonal meaning like a slash / .
So in this case we would multiply the 4 and the 5 , since they're diagonal from each other.
Do the same for the 2 and the 10.
So we have to multiply :
4 x 5
2 x 10
=
20
These are both 20 so that means that this is proportional, yes.
Hope this helps.
If you have any questions or concerns feel free to message me.
Answer:
Here is the full answered document ;)
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
it's a reversed function you just need to reverse the values
Answer:
19 units
Step-by-step explanation:
There are two sides that are equal; they are 4 units long.
The unequal sides are 7 and 4 in length.
Add up these four sides to obtain the perimeter:
P = 4 + 4 + 4 + 7 = 19 units