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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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Here are the graphs of L(x) and R(x) what are the values of L(2) and R(2)
Sedaia [141]

Using the function graph given, it is found that:

  • L(2) = 7.
  • R(2) = 1.

When a piece-wise function is given, that is, a function that has <em>multiple definitions</em>, the numeric value at x when the definition changes is given by the closed circle.

  • For function L(x), when x = 2, the closed circle is at y = 7, hence, L(2) = 7.
  • For function R(x), when x = 2, the closed circle is at y = 1, hence, R(2) = 1.

To learn more about the use of graphs to analyze a function, you can take a look at brainly.com/question/21447009

3 0
2 years ago
What is the volume of a right circular cylinder with a radius of 5 cm and a height of 12 cm?
dexar [7]

Answer:

Answer C

Step-by-step explanation:

Formula

Volume = pi * r^2 * h

Givens

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  • h = 12  cm

Solution

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Answer = C

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3 years ago
ATH CHALLENGE
romanna [79]

Answer:

78

Step-by-step explanation:

for the right side we can just do 14*2 since there are two people per seat and 14 rows

14 *2 is 28

for the left side we just do 14*3 since there are three people per seat and 14 rows

14*3 is 42

Then we have to add the 8 students that can fit in the very back seat

42 + 28 + 8

28 + 8 is 36

42 + 36 = 78

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2 years ago
Which point is the incenter of ​ △JKL ​ ?
allsm [11]

Answer: In-center of the triangle is point N.


Step-by-step explanation:

We are given a triangle △JKL.

In triangle △JKL, they drew perpendicular bisectors of each side of the triangle.

Also we are given angle bisectors of the each of angles in given triangle.

Note: Perpendicular bisector is a line that intersect a segment into two equal parts and also perpendicular to it.

<em>Also note that the in-center is the point forming the origin of a circle inscribed inside the triangle. It is constructed by taking the intersection of the angle bisectors of the three vertices of the triangle.</em>

<h3>We can see that angle bisectors are intersecting at a point N. </h3><h3>Therefore, in-center of the triangle is point N.</h3>
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3 years ago
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