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Novay_Z [31]
3 years ago
6

Use the mass and volume data to calculate the density of lead. mass = 567.5 g volume = 50.0 cm3 what is the density of lead?

Mathematics
2 answers:
Ronch [10]3 years ago
7 0
The formula of density is mass/volume.
Density of lead = <span>567.5/50 = 11.35 g/cm3

I hope this is the answer that you were looking for. 
</span>
zlopas [31]3 years ago
4 0
The answer is 11. 35 g/cm3. Density is mathematically expressed as the mass per unit of volume. Therefore, using the equation of density, which is expressed algebraically as D = m/v, the density of the lead is 11.35 g/ cm3. I hope this helped you in some ways.
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Determine the domain and range of the graph.
nirvana33 [79]

Answer:

Domain [-4,4]

Range [-2,2]

Step-by-step explanation:

The domain is the x-values of the graph and the range in the y-values. When writing domain and range it should be from least to greatest. So to find the domain find the lowest x-value on the graph and then the highest. Next, do the same for y-values. Finally, either surround each value with parentheses or bracket, the difference is that brackets mean that value is included, while parentheses mean that value is not actually on the graph.

In this case, the lowest x-value is -4 and the highest is 4, both values are included as signified by the closed circles, therefore the domain is [-4,4]. The lowest y value is -2 and the highest is 2, both are included, therefore the range is [-2,2].

4 0
3 years ago
Lim x--&gt; 0 (e^x(sinx)(tax))/x^2
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Make use of the known limit,

\displaystyle\lim_{x\to0}\frac{\sin x}x=1

We have

\displaystyle\lim_{x\to0}\frac{e^x\sin x\tan x}{x^2}=\left(\lim_{x\to0}\frac{e^x}{\cos x}\right)\left(\lim_{x\to0}\frac{\sin^2x}{x^2}\right)

since \tan x=\dfrac{\sin x}{\cos x}, and the limit of a product is the same as the product of limits.

\dfrac{e^x}{\cos x} is continuous at x=0, and \dfrac{e^0}{\cos 0}=1. The remaining limit is also 1, since

\displaystyle\lim_{x\to0}\frac{\sin^2x}{x^2}=\left(\lim_{x\to0}\frac{\sin x}x\right)^2=1^2=1

so the overall limit is 1.

4 0
3 years ago
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Montano1993 [528]

Step-by-step explanation:

l = 3x - 5

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area = l×w = (3x - 5)(2x + 9) = 6x² + 27x - 10x - 45 =

= 6x² + 17x - 45

8 0
2 years ago
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krok68 [10]

Answer:

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