2 years ago

What is the mixed number for 38/8

Mathematics

1 answer:

attashe74 [19]2 years ago

3 0

38/8 = 4 6/8 = 4 3/4

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The Johnson twins were born nine years after their older sister. This year, the product of the three siblings ages is exactly 18

KATRIN_1 [288]

Answer: The age of the twins is 10 years.

Step-by-step explanation:

Suppose the age of older sister be x

Let the age of twins sister be x-9, as they are born after 9 years.

Product of their ages be

$x(x-9)(x-9)\\\\=x(x^2-18x+81)\\\\=x^3-18x^2+81x$

Sum of their ages will be

$x+x-9+x-9\\\\=3x-18$

According to question,

$1861+3x-18=x^3-18x^2+81x\\\\x^3-18x^2+81x-3x+18-1861=0\\\\x^3-18x^2+78x-1843=0\\\\x=19$

So, Age of older sister will be 19 years.

Age of the twins will be

$19-9=10\ years$

Hence, the age of the twins is 10 years.

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3 years ago

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Llana [10]

Answer:

add 8 to 2 and then multiply the 8 with 12.

Step-by-step explanation:

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Kerry is planning to plant a rectangular garden that is 16 feet longer than it wide. Kerry wants to find its width if its area i

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I think it is A. I hope Im correct.

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The area, A, of a triangle is one-half the product of the triangle's base and height.

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A = (1/2)(b * h)

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