2 years ago

What is the scale factor of 5 centimeters = 2 kilometers?

1 answer:

3 0

Answer:

For every 2 kilometers, there are 5 centimeters. 5 kilometers is 2.5 times more than 2 kilometers. So you multiply 5 centimeters by 2.5 and that is the answer.

Step-by-step explanation:

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How much is 55 as a percentage of 50?

zhenek [66]

Answer:

50 27.5

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Step-by-step explanation:

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2 years ago

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Question 11 Find the value of y. X+ 13 45° No links please! Thanks for the help!

9966 [12]

Answer:

First option: $13 \sqrt{2}$

Step-by-step explanation:

$cosθ = \frac{adj}{hyp}$

$cos45° = \frac{13}{y}$

Multiply both sides by y:

$y(cos45°) = 13$

$y ( \frac{ \sqrt{2} }{2} ) = 13$

$y = 13 \div \frac{ \sqrt{2} }{2}$

$y = 13 \times \frac{2}{ \sqrt{2} }$

$y = \frac{26}{ \sqrt{2} } ( \frac{ \sqrt{2} }{ \sqrt{2} } )$

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$y = 13 \sqrt{2}$

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3 years ago

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The ratio of boys to girls in Ella's class is 3 to 4. The ratio of boys to girls in Minh's class is 4 to 5. Each class has a tot

poizon [28]

Answer:

15 and 16

Step-by-step explanation:

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2 years ago

What is the difference between a theorem and an axion ?

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Answer:

An axiom is often a statement assumed to be true for the sake of expressing a logical sequence. ... These statements, which are derived from axioms, are called theorems. A theorem, by definition, is a statement proven based on axioms, other theorems, and some set of logical connectives.

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I need help doing this angle homework and I don’t understand a thing.

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If you angle at the bottom is 50 that makes the opposite one 50 to and when there is a small square like at the top angle it means it is a 90° angle.
Since every triangle equals 180° you subtract 140 which is the 2 angles added together and the last angle would be 40°.

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2 years ago