2 years ago

Is 121 an irrational number?

Mathematics

1 answer:

RideAnS [48]2 years ago

5 0

Answer:

121 is a rational number because it can be expressed as the quotient of two integers: 121/ 1

Step-by-step explanation:

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Two times the sum of a number and 6,decreased by 11, is the same as six times the difference of the number and 2 , increased by

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This is the equation, when not simplified

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3 years ago

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2 years ago

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(8 -2i)^2 <br>a:60 <br>b:68-32i <br>c:60-32i <br>d:64-32i+4i^2

AURORKA [14]

Answer:

60-32i

Step-by-step explanation:

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3 years ago

Mark walks 1/2 miles in 3/4 of an hour what is the unit rate per hours

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Answer:

$unit \: rate = \frac{distance}{time} \\$

substitute:

$unit \: rate = \frac{( \frac{1}{2} )}{ ( \frac{3}{4}) } \\ \\ = \frac{1}{2} \div \frac{3}{4} \\ \\ = \frac{1}{2} \times \frac{4}{3} \\ \\ = \frac{4}{6} \\ \\ = { \underline{ \: \: \frac{2}{3} \: \: miles \: per \: hour \: \: }}$

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2 years ago

Question is attached below, Good Luck! I will Mark Brainliest for best answer!

DerKrebs [107]

Answer:

1960 cm^2

Step-by-step explanation:

Surface area:

Area of cross section x 2 = 1/2 x 20 x 21 x 2 = 420 cm^2

Area of slope = 29 x 22 = 638cm^2

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Area of back = 21 x 22 = 462cm^2

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3 years ago