Answer:
6(3x−4y)
Step-by-step explanation:
Answer:
63+48= 3(21+16)
Step-by-step explanation:
Check answer:
Distribute 3(21+16)
3(21)+3(16)
63+48
6 4/9, hope this helps tell me if you need and explanation
Answer:
Make use of the fact that as long as
and
:
.
.
.
Step-by-step explanation:
Assume that
and
.
Make use of the fact that
and
to rewrite the given expression as a combination of
and
.
.
Since
:
.
Substitute this equality into the expression:
.
By the Pythagorean identity,
. Rearrange this identity to obtain:
.
Substitute this equality into the expression:
.
Again, make use of the fact that
to obtain the desired result:
.