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postnew [5]
3 years ago
15

Find the surface area of cube whose volume is 64 cm cube

Mathematics
1 answer:
Oksana_A [137]3 years ago
3 0
V = L³ = 64 => L = ∛64 = 4 cm

A = L² = 4² = 16 cm²

At = 16 x 6 = 96 cm²
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Answer:

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Step-by-step explanation:

6 0
2 years ago
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devlian [24]

Answer:

6/9 = 2/3

Step-by-step explanation:

1/3 = 3/9

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3 years ago
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Anna007 [38]

1)

n         1          2         3           4         5         6

f(n)    1033    932     831      730     629     528

First term (a₁):  <u>1033 </u>          Common difference (d): <u>-101 </u>

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a_{n} = a_{1} + d(n - 1)

a_{n} = 1033 - 101(n - 1)

a_{n} = 1033 - 101n + 101

a_{n} = 1134 - 101n

***********************************************************************************

2)

n         1          2         3           4         5         6

f(n)   -39      -29       -19        -9          9        19

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a_{n} = a_{1} + d(n - 1)

a_{n} = -39 + 10(n - 1)

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a_{n} = -49 + 10n

***********************************************************************************

3)

n         1          2         3           4         5         6

f(n)   3.75      2.5     1.25        0      -1.25     -2.5

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a_{n} = a_{1} + d(n - 1)

a_{n} = 3.75 - 1.25(n - 1)

a_{n} = 3.75 - 1.25n + 1.25

a_{n} = 5 - 1.25n


6 0
3 years ago
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