2 years ago

Inverse of y=x^2-10x

Mathematics

1 answer:

Fittoniya [83]2 years ago

7 0

The answer is f(x)‐¹=(+/-)x+25+5

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The sum of a whole number and twice the square of the number is 10. Find the number.

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Answer:

x = $\frac{10}{1 + 2x}$

Step-by-step explanation:

Let the number be x

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Factorize x + 2x²

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A cable service provider charges $40 per month for its basic package plus an additional $5.35 for each premium channel chosen. T

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40/x represents the amount payed per month

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2 years ago

Read 2 more answers

Help me please, thank you.

Ivan

The correct answer is -2

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2 years ago

Factorise the following.

zepelin [54]

Answer:

Step-by-step explanation:

i). $\frac{48a^3}{6a}=\frac{6\times 8\times a\times a^2}{6a}$

$=\frac{6a}{6a}\times 8a^2$

= 8a²

ii). $\frac{72a^3b^4c^5}{8ab^2c^3}$ = $\frac{8\times 9\times a\times a^2\times b^2\times b^2\times c^2\times c^3}{8ab^2c^3}$

= $\frac{8ab^2c^3}{8ab^2c^3}\times 9a^2b^2c^2$

= 9a²b²c²

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2 years ago