Answer:
Answer = 93.6
Step-by-step explanation:
frist multipy 9 x 13 to get 117 than divided it by 2 = 58.5, than times it by 3 since there is three sides.
(58.5 x 3 is 175.5)
Than for the base multipy 7.8 x 9 = 70.2, but since its a tri, divided it by 2 = 35.1.
Add 58.5 and 35.1 to get 93.6
Answer:
9y+45
Step-by-step explanation:
9(y+5)
=9*y+9*5
=9y+45
Answer:
x= -2/9
decimal form is x=-0.2 (repeating)
Step-by-step explanation: