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AveGali [126]
3 years ago
13

Please help!!! It’s surface area

Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

3466.64   (≈ 3467) cm²

Step-by-step explanation:

A = 2B + 2 sides and floor

A = 2 * (14 * 24) / 2 + 2 * (45 * √14² + 24²) + 45 * 14

A = 336 + 2500.64 + 630 = 3466.64   (≈ 3467)

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2 2/5 multiplied by 2 multiplied by 3 1/5
goldfiish [28.3K]

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15 9/25

Step-by-step explanation:

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2

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1

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4 Convert 3\frac{1}{5}3

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1

​

 to improper fraction. Use this rule: a \frac{b}{c}=\frac{ac+b}{c}a

c

b

​

=

c

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\frac{12}{5}\times 2\times \frac{3\times 5+1}{5}

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12

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×2×

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3×5+1

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\frac{12}{5}\times 2\times \frac{15+1}{5}

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\frac{12\times 2\times 16}{5\times 5}

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9 Simplify  24\times 1624×16  to  384384.

\frac{384}{5\times 5}

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\frac{384}{25}

25

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15\frac{9}{25}

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