Answer:
D) x² -x - 10 =0
Step-by-step explanation:
Given that

L.C.M



⇒
⇒ 9 x + 54 = 9 x² - 36
⇒ 9 x² - 36 - 9x - 54 =0
⇒ 9 x² - 9x - 90 =0
⇒ 9(x² -x - 10 ) =0
⇒ x² -x - 10 =0
This is eassy, I'll show you
From 81%, we get fraction 81/100
After reduced 81 fraction 100, we get...
0,81 [Change into decimal]
1 11/20 is greater than 1 1/2
~Why?~
-Because, half of 20 is 10. which is the same as 1/2 BUT, take a look at the 1 11/20. 11/20 is greater than 1/2 because 11/20 has one more than 1/2 Meaning 11 is one more than 10, which is half of 20.
~Hope this helped :)
Answer:
Commutative Property
Step-by-step explanation:
Commutative property, changes the order of the addends does not change the sum
Ex)
16+45=45+16
the answer to the problem 6(2+t)-4(t+1) is 2t+8.