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valina [46]
2 years ago
14

Find each product or quotient. give all answers in simplest form. -8/12 x -2/13

Mathematics
2 answers:
lubasha [3.4K]2 years ago
8 0

Answer:

4/39

Step-by-step explanation:

-8/12 x -2/13

-2/3 (-2/13)

-2(-2) / 3x13

4/39

SashulF [63]2 years ago
7 0

Answer:

0.1025641026

Step-by-step explanation:

-8/12×-2/13

=16/156

=0.1025641026

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Find the cube roots of 125(cos 288° + i sin 288°)
kow [346]
Let r(cos O + i sin O)  be a cube root of 125(cos 288 + i sin 288)
then
r^3(cos O + i sin O)^3  =  125(cos 288 + i sin 28)

so r^3 = 125  and  cos 3O + i sin 3O  =  cos 288 + i sin 288

so r  = 5  and 3O = 288 + 360p and O = 96 +  120p

so one cube root is   5 (cos 96 + i sin 96)

Im a little rusty at this stuff Its been a long time.

Im not sure of the other 2 roots

sorry cant help you any more


3 0
3 years ago
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223,682 divided by 42 (standard algorithm) im so stuck
julia-pushkina [17]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Find the area of the parallelogram that has a base of 4m and a height of 5.5m.
Sveta_85 [38]

Answer:

22m²

Step-by-step explanation:

Area of parallelogram is simply the base length x height.

In this case, base length = 4m and height = 5.5m

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Area = 4 x 5.5 = 22m²

3 0
3 years ago
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Of the 21 children at a park, 5 of them are playing on the swings. What is the approximate
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The Answer Is B

Use proportions to find x% of the children playing on the swings.

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3 0
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Answer:

Area/Circumference is the length of a circle!

Step-by-step explanation:

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