Answer:
Step-by-step explanation:
The given expression is
.
We have to check which of he given options on simplification gives the same given expression.
(A) The expression is:
=
=
which is not equivalent to the given expression, thus this option is incorrect.
(B) The expression is:
=
=
which is not equivalent to the given expression, thus this option is incorrect.
(C) The expression is:
=
=
which is not equivalent to the given expression, thus this option is incorrect.
(D) The expression is:
=
=
which is equivalent to the given expression, thus this option is correct.
(E) The expression is:
=
==
which is equivalent to the given expression, thus this option is correct.
(F) The expression is:
=
which is not equivalent to the given expression, thus this option is incorrect.
Answer:
sure
Step-by-step explanation:
Acute because it's keys than 90 degreses
Answer:
19
Step-by-step explanation:
-8+19+8
Since -8+8 =0
0+19 = 19
Answer:
4r-7
Step-by-step explanation:
-14+7-9r+13r
combine like terms
4r-14+7
combine like terms
4r-7
hope this helped :)