The answer is 220 but you can also write the multiples of all of them and see which one is the same or you can use a LCM calculator. Like I did.
5/6, 5/12, 19/45, 13/14, 19/21, 1/2, 4/9
Answer:
7 children
Step-by-step explanation:
14) Number of children = Cost of the oven ÷ amount paid by each child
= 149.45 ÷ 21.35
= 7
The answer is ( A)
Hope it helps
i think the best answer is b.cos60 + sin60+1/8(5 +3cos40) the answer is -0.88232537463→
a
3
+
b
3
=
(
a
+
b
)
(
a
2
−
a
b
+
b
2
)
→
a
2
+
b
2
=
(
a
−
b
)
2
+
2
a
b
→
sin
2
x
+
cos
2
x
=
1
→
2
cos
2
x
=
1
+
cos
2
x
and
→
2
sin
2
x
=
1
−
cos
2
x
L
H
S
=
cos
6
(
x
)
+
sin
6
(
x
)
=
(
cos
2
x
)
3
+
(
sin
2
x
)
3
=
[
cos
2
x
+
sin
2
x
]
[
(
cos
2
x
)
2
−
cos
2
x
⋅
sin
2
x
+
sin
2
x
)
2
]
=
1
⋅
[
(
cos
2
x
−
sin
2
x
)
2
+
2
cos
2
x
⋅
sin
2
x
−
cos
2
x
⋅
sin
2
x
]
=
[
cos
2
(
2
x
)
+
cos
2
x
⋅
sin
2
x
]
=
1
4
[
4
cos
2
(
2
x
)
+
4
cos
2
x
⋅
sin
2
x
]
=
1
4
[
2
(
1
+
cos
4
x
)
+
sin
2
(
2
x
)
]
=
2
4
⋅
2
[
2
+
2
cos
4
x
+
sin
2
(
2
x
)
]
=
1
8
[
4
+
4
cos
4
x
+
2
sin
2
(
2
x
)
]
=
1
8
[
4
+
4
cos
4
x
+
1
−
cos
4
x
]
=
1
8
[
5
+
3
cos
4
x
]
=
R
H
S
