Answer:
120% increase
Step-by-step explanation:
Answer:
Step-by-step explanation:
81
=
3
4
and
27
=
3
3
, so this equation can also be written as
3
4
x
=
3
3
(
x
+
2
)
=
3
3
x
+
6
.
Since the bases are now the same, we can equate exponents to get
4
x
=
3
x
+
6
so that
x
=
6
(technically this equating of exponents requires the fact that exponential functions (with base not equal to 1) are one-to-one functions).
(do u understand?)
Answer:
18 hours
Step-by-step explanation:
because 6 x 3 = 18!
Answer:
<h2>
294 cm²</h2>
Step-by-step explanation:

3. Twenty is two times the size of ten.
That's basically what the division problem says, is it not?