2 years ago

30. (14 letters) The process of changing one unit of measure to another.

Mathematics

2 answers:

Georgia [21]2 years ago

7 0

Unit conversion
taxable income

Archy [21]2 years ago

4 0

Answer:

30) Unit conversion

25)

13) Idiom

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anyanavicka [17]

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10 minutes

Step-by-step explanation:

Mario can eat e21 hot dog in 6 minutes

Let 35 hot dog eats in x minutes :

$\frac{35}{x} =\frac{21}{6} \\x=\frac{35(6)}{21} \\x=10 min$

Therefore, mario would eat 35 dogs in 10 min.

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A mixture of concrete is made up of sand and cement in the ratio of 5:3.How many cubic centimeters of sand is needed to make 160

bazaltina [42]

Answer: $100\ cm^3$

Step-by-step explanation:

Given

The ratio of mixture of sand and cement is 5:3

If the total volume of mixture is $160\ cm^3$

Suppose there is 5x and 3x cubic centimeter of sand and cement respectively i.e.

$\Rightarrow 5x+3x=160\\\Rightarrow 8x=160\\\Rightarrow x=20\ cm^3$

Sand $5x=5\times 20=100\ cm^3$

So, there is $100\ cm^3$ of sand in the mixture

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I the radius of a circle is x cm ,what is the length of circufernece?

nordsb [41]

Answer:

44x/7

Step-by-step explanation:

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Circumference=2πr

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