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elixir [45]
2 years ago
8

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

rom this information, calculate the density of iron. Round to the nearest hundredths.
Mathematics
1 answer:
Andrej [43]2 years ago
5 0

Answer:

7.92

Step-by-step explanation:

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Please help thanks so much
Goshia [24]

Answer:

<em>y = (-4/3)*x + 7</em>

<em />

Step-by-step explanation:

The point-slope form of the equation of a line is: <em>y = a*x + b </em>

In the above equation, <em>a </em>is the slope of the line representing the equation in the graph and y is the function of x [y = y(x)]

The given line has a slope of -4/3, so that <em>a = -4/3 </em>

=> The equation of this line has a form as following: <em>y = (-4/3)*x + b (1)</em>

<em />

As the line passes through the point (9; -5) (in which: x = 9; y = -5). Replace x =9 and y = -5 into the equation (1), we have:

<em>y = (-4/3)*x + b</em>

<em>=> -5 = (-4/3)*9 + b </em>

<em>=> -5 = -12 + b </em>

<em>=> b = 7</em>

<em />

So that the equation in point-slope form of the given line is:

<em>y = (-4/3)*x + 7</em>

<em />

6 0
3 years ago
How to covert km to cm
alisha [4.7K]

Answer:

1 kilometre =

100000 centimetres

( convert into cm )

formula = multiply the km value by 100000

( convert cm into km) = divide by 100000

3 0
3 years ago
The length of each edge of a cube is x centimeters. If x is an integer, why is the volume of the cube not equal to 15m^3?
Nadusha1986 [10]

Suppose the length of each side of the cube is x, so the volume must be:  

x^3.  

If the volume is 15 cm^3, so the length must be cuberoot(15) which is not integer,. So, the volume of the cube with integer side never equal with 15 cm^3

4 0
3 years ago
Facial shaving brushes are either bulb-shaped or fan-shaped. An experiment is to be conducted to determine whether the lather th
rusak2 [61]
I think it is A
Hope my answer help you?
8 0
3 years ago
Read 2 more answers
It is formed by two non collinear rays with the same point.
Paladinen [302]

It is formed by two non collinear rays with the same point.

I think your answer is:

Angle

4 0
2 years ago
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