3 years ago

Which expression is equivalent to 1 over 81

Mathematics

1 answer:

nadezda [96]3 years ago

3 0

100 is equivalent to 1

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jon spent 1/4 of his vacation budget on food and 2/3 of his budget on hotels. He spends $242 on food and hotels. What is Jon's v

seropon [69]

Jon's vacation budget was $262.17.

We can find this by finding common fractions so as to add them together. 1/4 and 2/3 can be equivalent to 3/12 and 8/12, respectively. So when those two are added, it comes out to 11/12. That means that 11/12ths of Jon's budget is equal to $242, now we need to find out the value of 12/12 of his budget by finding the missing 1/12. In your calculator you can multiply (1/12) by $242 and add that number (20.17) to 242, and you'll get 262.16666 rounded up to 262.17.

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6 0

3 years ago

The shapes below are mathematically similar.

Lera25 [3.4K]

Answer:

Triangle small ABC

Triangle big DEF

AB = 8 cm , BC = 12 cm , DE = 20 cm , EF = x

So;

$\frac{AB}{DE} = \frac{BC}{EF} \\ \\ \frac{8}{20} = \frac{12}{x} \\ \\ 8x = 12 \times 20 \\ 8x = 240 \\ \\ x = \frac{240}{8} \\ \\ x = 30 cm$