Answer:
The first one is proportional and the second one is not. Because for the first one you can see that if you divide the number of pens by the cost you'll get the same answer for every single one. But for the second one if you divide the number of minutes by words typed you get a different answer for each one. You can also see if it's proportional or not if you draw it on the graph and it's a straight line. If it is the relationship is proportional if it isn't it's not proportional. Hope that makes sense :)
Answer:
X= 17
Step-by-step explanation:
In the picture above , you see that
BAE =~ DAE
So , just substitute the equation of each other and solve for x.
That's it.
Answer:
attach a picture
Step-by-step explanation:
Answer:
Lines that cross one another.
Step-by-step explanation:
Answer:
No, those sides do not make a right triangle.
i know that no links are allowed but this helped me solve those types
https://www.omnicalculator.com/math/right-triangle-side-angle