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Nata [24]
3 years ago
10

Find the total surface area of this triangular prism. 30 cm 18 cm 7 cm 24 cm

Mathematics
1 answer:
Effectus [21]3 years ago
4 0

Answer:

<em>588 cm²</em>

Step-by-step explanation:

<em>24 × 7 + 30 × 7 + 2(24 × 18) + 18 × 7</em> = 7(24 + 30 + 18) + 2 × 42 = 7 × 72 + 84 = 504 + 84 = <em>588 cm²</em>

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Dave pays $15 and tax is $1.2 so dave spent a total of $16.20.

Mel pays $20 and tax is $1.6 so Mel spent a total of $21.60.

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5 0
3 years ago
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6 0
3 years ago
You are told that having a college education increases a person's earnings by 30% over their lifetime. A non-college graduate ea
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