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3 years ago

( g(x)= 3 x²–2x-15 Find the domain of each function

Mathematics

1 answer:

iogann1982 [59]3 years ago

8 0

Answer:

the domain is infinite or all real numbers

Step-by-step explanation:

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The total surface area of a cube is 96cm2, find its volume.

Setler [38]

Answer:

$\huge\boxed{V=64cm^3}$

Step-by-step explanation:

The formula of a surface area of a cube:

$SA=6a^2$

The formula of a volume of a cube:

$V=a^3$

We have

$SA=96cm^2$

Calculate the edge length (a).

$6a^2=96$ divide both sides by 6

$a^2=16\to a=\sqrt{16}\\\\a=4(cm)$

Calculate the volume of a cube:

$V=4^3=64(cm^3)$

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2 years ago

Simplify: -2x+5y-6x-4y

Westkost [7]

-2x+5y-6x-4y = -8x + y

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3 years ago

What is the constant of proportionality in the table below?

kenny6666 [7]

Answer: $\dfrac{2}{5}$

Step-by-step explanation:

The constant of proportionality 'k' between two variables ( one independent and one dependent ) is given by :-

$k=\dfrac{\text{Value of dependent variable}}{\text{Value of independent variable}}$

In the given table, independent variable = Days

Dependent variable = Total Miles

From first row, Days = 3

Total Miles = $1\dfrac{1}{5}=\dfrac{6}{5}$

Then, the constant of proportionality in the table

$k=\dfrac{\dfrac{6}{5}}{3}=\dfrac{6}{5\times3}=\dfrac{2}{5}$

Hence, the constant of proportionality in the table is $\dfrac{2}{5}$ .

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3 years ago

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tino4ka555 [31]

Answer:

HIIIIIIIIIIII

Step-by-step explanation:

4 0

2 years ago

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In which quadrant is the number 6 – 8i located on the complex plane? I II III IV

Marrrta [24]

Answer:

Step-by-step explanation:

The 6 is to the right of the x axis ( positive x) and the -8i is below the x axis to the right.

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3 years ago

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