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Naya [18.7K]
3 years ago
8

Y = -4x + 3

Mathematics
1 answer:
VikaD [51]3 years ago
7 0

Answer:

c. parallel lines

Step-by-step explanation:

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Which are the roots of the quadratic function f(q) = q2 – 125? Check all that apply.
s344n2d4d5 [400]
F(q)=0
so, q^2 - 125 = 0
(q)^2 - (5)^2 = 0
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lapo4ka [179]

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Step-by-step explanation:

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2 years ago
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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.

3 0
3 years ago
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