Answer:
x
8
−
256
Rewrite
x
8
as
(
x
4
)
2
.
(
x
4
)
2
−
256
Rewrite
256
as
16
2
.
(
x
4
)
2
−
16
2
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
x
4
and
b
=
16
.
(
x
4
+
16
)
(
x
4
−
16
)
Simplify.
Tap for more steps...
(
x
4
+
16
)
(
x
2
+
4
)
(
x
+
2
)
(
x
−
2
)
Step-by-step explanation:
Area= 1/2(base)(height)
A= 1/2(7)(2)
A= (1*2*7)/2
A= 14/2
A= 7 units squared
Hope this helps! :)
Since angle COB is the central angle of arc CB, the measure of arc CB = 80 degrees
Answer:
Step-by-step explanation:
0.74.....so what place value is the last number in ? Because if u know that, this wont be hard to do. Its in the 100ths place....so put that number over 100 and reduce if possible.
74/100 reduces to 37/50.....and if u were to get a calculator and type in 37 divided by 50, ur gonna get 0.74.....and thats how to turn a fraction into a decimal (just in case u were interested)
