Answer:
1st one is not a right triangle.
2nd one is not a right triangle.
3rd one is not a right triangle.
4th one is a right triangle.
Step-by-step explanation:
1, 2, and 3 could also be "not enough information".
Answer:
7
Step-by-step explanation:
Don’t understand this kind of math
Simply put you multiply 30 by 8.
30*8 = 240
So in total he bought 240 hot dogs.
Answer:
no solution
Step-by-step explanation:
6x - 3y = 7 → (1)
- 2x + y = - 8 → (2)
multiplying (2) by 3 and adding to (1) eliminates the variables
- 6x + 3y = - 24 → (3)
add (1) and (3) term by term
0 + 0 = - 17
0 = - 17 ← false statement
This indicates the system has no solution
