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Brilliant_brown [7]
3 years ago
12

If the mass of a box is 32 g and it's 4 cm wide 2 cm by 3 cm what is the density of the box

Mathematics
1 answer:
stiv31 [10]3 years ago
5 0
Density is mass/volume. The mass is given, 32g. To calculate volume, you need to multiply 4*2*3, which is multiplying length, width, and height.

4*2=8
8*3=24

To calculate density, you divide the mass (32) by the volume (24).

32/24= 1.3333333...

Your answer, depending on the person, would either be 1.33, 1.3, 1.33 with the line about the 2 3s, or 1 1/3. Hope this helps! Also, remember to label it g/cm2.
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If the perimeter of a square is 20, find the length of a diagonal
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Answer:

7.07

Step-by-step explanation:

<h2><u>Length</u></h2>

a square has equal length on each side

hence is the perimeter is 20 it means that :

each side is 20/4 = 5

we can make a diagonal line which create 3 right angled triangles

2 sides of the triangle are 5 , this is the base and the height

to find the length we can make use of the Pythagoras theorem

c^2 = a^2 + b^2

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a and b are the opposite and adjacent

hence :

c^2 = 5 ^2 + 5^2

c^2 = 50

c = \sqrt{50}

c = 7.071

to 3sf

<h3><u>diagonal length  = 7.07</u></h3>

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3 years ago
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Steps:
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3. If you use point-slope form, y - y1 = m( x - x1 ), you can substitute y1 and x1 with the numbers in the point given. But since we previously found the opposite reciprocal, we will replace “m” as well. *By the way, the subtraction of a negative makes a positive. [y + 3 = 1/4( x + 4 )]

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Eva8 [605]

Answer:

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Step-by-step explanation:

<u>Slope-intercept form is:</u>

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<u>Points given:</u>

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