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Softa [21]
3 years ago
8

(9^(3))^(3) = 9 9 9 0 9 6 81

Mathematics
2 answers:
Papessa [141]3 years ago
8 0
9^9 which equals 387,420,489
zmey [24]3 years ago
5 0

Step-by-step explanation:

\because \:  ( {a}^{m} )^{n}  =  {a}^{m \times n}  \\  \\ \therefore ( {9}^{3} )^{3}  =  {9}^{3 \times 3}  =  {9}^{9}  \\

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If a concrete mix contains 1-1/2 cubic feet of gravel, 1/2 cubic foot of water,
Karolina [17]

Answer:

The correct answer is "50%".

Step-by-step explanation:

The given values are:

Gravel,

= (1-\frac{1}{2} )

Water,

= \frac{1}{2}

Cement,

= 1

Sand,

= 2

Now,

The total mixture will be:

= Gravel+Water+Cement+Sand

By substituting the values, we get

= (1-\frac{1}{2} )+\frac{1}{2} +1+2

= \frac{1}{2} +\frac{1}{2} +1+2

= 4 \ cubic \ feet

hence,

The percentage of sand will be:

= \frac{Sand}{Total}\times 100

= \frac{2}{4}\times 100

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3 0
3 years ago
Find the value of a and b when x = 12
oksano4ka [1.4K]

Answer:

a=120

b=240

Step-by-step explanation:

if x=12

a=5×2×2×2(x-5)

5×2=10×2×2=40

40(x-5) 40x-200

200=40×\40x=5

b=2×10×12=240

a=120

b=240

7 0
4 years ago
2 1/2 times 1/3 for estimating
givi [52]
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7 0
3 years ago
Find three consecutive integers such that twice the smallest is 12 more than the largest.
iris [78.8K]

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14, 15, 16

Step-by-step explanation:

Let integers equal:

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2x - x = 14

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4 0
3 years ago
How to use parentheses and multiplication properties.
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()
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These are the concepts where you could use for the parentheses
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3 years ago
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