Step-by-step explanation:
20
opposite angles are equal
6x = 120
x = 20
Answer:
x=-2.5,9
Step-by-step explanation:
Set them equal to each other to say 2x^2-9x=4x+45. Get them all on one side to get 2x^2-13x-45. Factor that out to get (x+2.5)(x-9). Set that equal to 0 to get x=-2.5,9
Answer:
it would be 4
12-4×2=12-8=4
Step-by-step explanation:
hope it helps you
Answer:
w=15
Step-by-step explanation:
2w-5=30
2×15-5=30
30-5=25
w=15
Answer:
It would cost her $45.
Step-by-step explanation:
25 dollars divided by 5 shirts = 5 dollars per shirt.
5 dollars x 9 shirts = $45 dollars in total.