2 years ago

Given the following function, state the domain.

Mathematics

1 answer:

Leno4ka [110]2 years ago

6 0

Answer:

i think its all real number because they are all positives

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( please help!! I will give brainliest tysm! ) The diameter of a carbon atom is 2.2 × 10 -8cm. Write this as a whole number

Lyrx [107]

Answer:

it is 0.000000022 cm as a number but rounded to 0 as a whole number

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2 years ago

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Nitric acid (specific gravity 1.42) costs $51.95 per liter. A student spills 5.112 kg of nitric acid in the laboratory, what is

Leno4ka [110]

Answer:

The cost of wasted nitric acid is $187.02

Step-by-step explanation:

Since it is given that specific gravity of Nitric Acid is 1.42 Thus the density of nitric acid is

$\rho _{acid}=S.G\times \rho _{water}\\\\\\\rho_{acid}=1.42\times 1\frac{g}{cm^3}\\\\\rho_{acid}=1.42g/cm^3$

Now from the basic relation of mass volume and density we have

$\rho =\frac{Mass}{Volume}\\\\\therefore Volume=\frac{Mass}{\rho }$

Since the mass of the nitric acid is given to be 5.112 kg = 5112 grams

Thus the volume of nitric acid is

$Volume=\frac{5112}{1.42}=3600cm^3$

Now we know that 1000 cubic centimeters euals 1 litrer

Thus the calculated volume in liters is

$V_{liters}=\frac{3600}{1000}=3.6Liters$

Thus the cost of acid spilled equals

$Cost=3.6\times 51.95=187.02$

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3 years ago

Identify the x-intercept and y-intercept of the equation below.

Lady_Fox [76]

Divide by 21 to put the equation in intercept form.
x/(21/9) + y/(-21/7) = 1
x/(7/3) + y/(-3) = 1

The x-intercept is (7/3, 0)
The y-intercept is (0, -3)

The 3rd choice is appropriate.

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3 years ago

I will mark brainliest

yulyashka [42]

Angles a and e! they’re alternate interior angles, therefore they are congruent.

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2 years ago

What is the area of the polygon H(3, 2), I(5, 2), J(5, 7), K(3, 7)

kobusy [5.1K]

Answer:

area = 10

Explanation:

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3 years ago