Answer:
Step-by-step explanation:
The top triangle is similar to the whole triangle because of AAA
Then we know that the corresponding sides are similar
9/81=(3x-20)/(3x-20+56)
1/9=(3x-20)/(3x+36)
cross multiply
9(3x-20)=3x+36
27x-180=3x+36
24x=216
x=9
Answer:
x = -1 y = - 13/6
Step-by-step explanation:
Answer:
61.64 cm
Step-by-step explanation:
The longest metal rod which could be stored in a rectangular box will be equal to its diagonal:
Answer:
4(2x + 1)
Step-by-step explanation:
14x + 4 - 6x
Rearrange the expression with like terms together
14x - 6x + 4
8x + 4
Factorize the expression
4(2x + 1)