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3 years ago

5

A scale model of a hydroelectric dam is 1.2 feet high. The ratio of the height of the model to the height of the dam is 1:167. H

ow tall is the dam, in feet?

1 answer:

solong [7]3 years ago

7 0

1.2 x 167 = 200.4

Answer is 200.4 feet tall

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Artyom0805 [142]

Answer: 1️⃣ 40

Step-by-step explanation:

<em>x - is the side of the square</em>

<em /> $x^{2} +x^{2} =(10\sqrt{2})^{2} \\2x^{2}} =200\\2x^{2} \div 2=200 \div 2 \\x^{2} =100\\x=\sqrt{100} \\x=10 \: [cm] - side \: of \: a \: square$ <em />

<em>Find the perimeter of the square.</em>

<em>Perimeter of the square = 4 × 10 cm = 40 cm</em>

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The first term of a sequence is 18, and the fifth term is 54. What is the common difference between each two consecutive terms?

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3 years ago

Read 2 more answers

Solve for R using cross multiplication

topjm [15]

R/ r+ 15 = 3/8

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Simplify:

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Divide both sides by 5:

R = 9

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