2 years ago

Is 8.15 a natural number whole number integer rational irrational or real number ?

Mathematics

2 answers:

Oliga [24]2 years ago

8 0

8.15 is a rational number

nalin [4]2 years ago

3 0

Answer:

Rational

Step-by-step explanation:

A rational number is a number expressed as a fraction. So the number could be a decimal or percent.

Hope This Helps :)

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Simplify. <br> (–5q^2p)^3

mr_godi [17]

Answer:

Step-by-step explanation:

$(a*b)^{n} = a^{n}*b^{n}\\\\(a^{n})^{m} = a^{m*n}\\\\ (-5q^{2}*p)^{3}= (-5)^{3}*q^{2*3}*p^{3}\\\\= -125q^{6}p^{3}$

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2 years ago

At a college bookstore, Tanisha bought a Math Textbook and a Novel for $54. If the price of the Math Textbook is $8 more than 3

pishuonlain [190]

Answer: Price of Math Textbook= $42.5, Price of the Novel= $11.5

Step-by-step explanation:

Let x = price of the Novel.

Price of Math Textbook = 8+3x

As per given , we have

Price of Math Textbook + Price of the Novel = $54

⇒ 8+3x+x = 54

⇒ 8+4x=54

⇒ 4x = 46 [subtract 8 from both sides]

⇒ x = 11.5

Price of Math Textbook = 8+3(11.5) = 8+34.5= $42.5

Hence, Price of Math Textbook= $42.5, Price of the Novel= $11.5

3 0

2 years ago

Ok help me please guys ..what is 61=3b+7 ?

Neporo4naja [7]

61 = 3b + 7

3b + 7 = 61

3b = 61 - 7

3b = 54

b = 54/3

b = 18.

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2 years ago

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What is -9(20y) simplified?

cupoosta [38]

$-9(20y) = (-9\times 20) y = \huge{\boxed{-180y}}$

4 0

2 years ago

–9.45 + 5.4d + 9.01 = –0.1d + 0.66

bulgar [2K]

Answer:

1.838181818181818

Step-by-step explanation:

5.4d + 0.1d = 0.66 + 9.45

5.5d = 10.11

d = 10.11 / 5.5

d = 1.838181818181818

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2 years ago

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