10
Expand
(
2
−
i
)
(
4
+
2
i
)
(
2
-
i
)
(
4
+
2
i
)
using the FOIL Method.
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Apply the distributive property.
2
(
4
+
2
i
)
−
i
(
4
+
2
i
)
2
(
4
+
2
i
)
-
i
(
4
+
2
i
)
Apply the distributive property.
2
⋅
4
+
2
(
2
i
)
−
i
(
4
+
2
i
)
2
⋅
4
+
2
(
2
i
)
-
i
(
4
+
2
i
)
Apply the distributive property.
2
⋅
4
+
2
(
2
i
)
−
i
⋅
4
−
i
(
2
i
)
2
⋅
4
+
2
(
2
i
)
-
i
⋅
4
-
i
(
2
i
)
Simplify and combine like terms.
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Simplify each term.
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8
+
4
i
−
4
i
+
2
8
+
4
i
-
4
i
+
2
Add
8
8
and
2
2
.
10
+
4
i
−
4
i
10
+
4
i
-
4
i
Subtract
4
i
4
i
from
4
i
4
i
.
10
+
0
10
+
0
Add
10
10
and
0
0
.
Multiplying exponents with different bases
First, multiply the bases together. Then, add the exponent. Instead of adding the two exponents together, keep it the same.
The answer is C:
250+6d + 4(2d)
250 is initial amount
6d is the amount of money after 6 weeks
4(2d) is the amount of money doubled over 4 weeks.
There go C is the answer<span />
Answer:
22.65728
Step-by-step explanation:
29*tan(38 degrees) = 22.65728
1st Question:
1/6, 2/6, 3/6 = 1/2, 4/6, 5/6, 6/6.
Halfway between 1/2 and 5/6 is 4/6 = 2/3.
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2nd Question: Could've been worked out on a calculator.
-5/6, -7/9, -3/5, -3/7
