∠DAC ≅ ∠BCA and the diagonals cross at right angles, so the two marked angles are complementary.
 (5x -18) +x = 90
 6x = 108 . . . . . . . . . simplify, add 18
 x = 18 . . . . . . . . . . . divide by 6
Answer from: Quest
hello :
70y^8 + 30y^6 = 2 ( 35 y^8 + 15y^6)
the lenght is : 35 y^8
the width is : 15y^6
Answer from: Quest
cant open file sorry!
step-by-step explanation:
Another question on Mathematics
Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?