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3241004551 [841]
3 years ago
13

Amy needs to rust-proof a wrought-iron fence made of a rail that is a 1 cm thick by 4 cm wide by 102 cm long rectangular prism s

upported by posts that are 2 cm by 2 cm by 1 m high rectangular prisms. The posts are spaced 8 cm apart, attach to the bottom of the rail, and are embedded in cement. How much exposed surface area needs to be rust-proofed?

Mathematics
2 answers:
Alenkasestr [34]3 years ago
3 0

Answer:

2024cm2

Step-by-step explanation:

Check image below for solution.

EastWind [94]3 years ago
3 0

Answer:

9784cm^2

Step-by-step explanation:

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irina1246 [14]

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The equation of the output looks like:

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3 3/8 divided by 3/4 using cross multiplication algorithm
Bogdan [553]

Answer

3 3/8 ÷ (3/4) = (9/2) = 4 ½

Explanation

We are asked to evaluate 3 3/8 divided by 3/4 using cross multiplication algorithm.

The algorithm will need us to put the mixed fraction in definite fraction form (improper fraction) and to evaluate the division, we change the division sign into multiplication sign and the fraction after the division sign changes into its reciprocal.

3 3/8 = (27/8)

(3 3/8) ÷ (3/4)

= (27/8) ÷ (3/4)

\begin{gathered} \frac{27}{8}\div\frac{3}{4} \\ =\frac{27}{8}\times\frac{4}{3} \\ =\frac{108}{24} \\ \text{Divide numerator and denominator by 12} \\ \frac{108}{24}=\frac{9}{2} \end{gathered}

Hope this Helps!!!

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Answer:

table d

Step-by-step explanation:

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