7(a - 10) = 13 - 2(2a + 3)
7a - 70 = 13 - 4a - 6 = 7 - 4a
7a + 4a = 7 + 70
11a = 77
a = 77/11 = 7
a = 7.
C. 7.2°F is warmer than 7.0°F but colder than 7.6°F.
Answer:
h(-6) = 2
Step-by-step explanation:
-x - 4 =
-(-6) - 4 = 2
6-4=2
Answer: Explanation:
We have:
sin
2
(
x
)
+
sin
(
x
)
=
0
;
[
0
,
2
π
)
⇒
sin
(
x
)
(
sin
(
x
)
+
1
)
=
0
⇒
sin
(
x
)
=
0
⇒
x
=
0
,
(
π
−
0
)
,
(
π
+
0
)
,
(
2
π
−
0
)
or
⇒
sin
(
x
)
+
1
=
0
⇒
sin
(
x
)
=
−
1
⇒
x
=
π
+
π
2
⇒
x
=
0
,
3
π
2
,
π
Step-by-step explanation:
Answer:60 pages / 20 min
Step-by-step explanation:
Since the equation is 3m and there is a total of 20 min, with 3 pages a minute, you multiply 3 by 20 to get 60 pages for 20 minutes.