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Masja [62]
1 year ago
13

28.5g of iron shot is added to graduated cylinder containing 45.50mL of water. The water level rises to 49.10mL mark, from this

information, calculate the density of iron.
Mathematics
1 answer:
tankabanditka [31]1 year ago
3 0

Using the given information, the density of iron is 7.92 g/mL

<h3>Calculating the density of iron</h3>

From the question, we are to calculate the density of iron.

The density of a substance can be calculated by using the formula,

Density = Mass / Volume

From the given information,

Mass of the iron is 28.5 g

The volume of the iron is the volume displaced

Volume displaced = 49.10 mL - 45.50 mL

Volume displaced = 3.60 mL

Thus,

The density of the iron is

Density = 28.5 g / 3.60 mL

Density = 7.92 g/mL

Hence, the density is 7.92 g/mL

Learn more on Calculating the density of a substance here: brainly.com/question/11258429

#SPJ1

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It would be x=-18. I hope I helped you
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Answer:

B

Step-by-step explanation:

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A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The correct option is A.

<h3>What is the equation of a line?</h3>

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of line is given by,

y =mx + c

where,

x is the coordinate of the x-axis,

y is the coordinate of the y-axis,

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The graph of the question is mentioned below.

If we look the function given below then it can be observed that the given graph is linear. Also, the line passes through (0,0) and (3,1).

The slope of the line is,

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The y-intercept of the line is at the origin. Thus, the equation can be written as,

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Learn more about Equation of Line:

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5 0
2 years ago
Buck rented a truck for $39.95 plus $0.32 per mile. Before returning the truck, he Filled the tank with gasoline, which cost $9.
wel

Answer:

Step-by-step explanation:

Let x represent the distance that the truck was driven.

Buck rented a truck for $39.95 plus $0.32 per mile. This means that the total cost of driving x miles with the truck would be

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Before returning the truck, he Filled the tank with gasoline, which cost $9.85. This means that the total amount that he spent is

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If the total cost was $70.23, it means that

39.95 + 0.32x + 9.85 = 70.23

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0.32x = 70.23 - 49.8 = 20.43

x = 20.43/0.32 = 63.8

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