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3 years ago

5 2/3 divided by 2 1/8 A. 10 1/2 B. 10 3/6 C. 2 2/3 D. 2 1/5

Mathematics

1 answer:

umka2103 [35]3 years ago

6 0

Answer:

math is the worst

Step-by-step explanation:

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3 years ago

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3 years ago

an architect wants to build three similar triangles such that the ratio of the middle triangle. The smallest one has side length

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Answer: 15

<u>Step-by-step explanation:</u>

small: 5 12 13

middle: __ 36 39

large: 45 108 117

Notice that to get from the small to the large, multiplied by 9

5(9) = 45 12(9) = 108 13(9) = 117

That is because the sides are proportional $\dfrac{5}{45}=\dfrac{12}{108}=\dfrac{13}{117}\rightarrow\dfrac{1}{9}$

To get from small to middle, multiply by 3

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To solve it using proportions:

$\dfrac{5}{x}=\dfrac{12}{36}\\\\\\\text{Cross Multiply and solve for x:}\\5(36)=12x\\\\\dfrac{5(36)}{12}=x\\\\5(3)=x\\\\\large\boxed{15}=x$

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3 years ago

Evaluate log25+log8 _log2

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Step-by-step explanation:

log 25 + log 8 = log (25 × 8) = log 200

log 200 - log 2 = log (200 ÷ 2) = log 100

logarithm base 10 of 100 is 2.

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2 years ago

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