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Allushta [10]
3 years ago
13

) a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the

smart phone in cubic centimeters? (1 in = 2.54 cm)
Mathematics
1 answer:
mariarad [96]3 years ago
6 0

Answer: 58.11 cm³

Step-by-step explanation:

1. The volume can be calculated with the following formula:

V=h*w*d

Where <em>l</em> is the lenght, <em>w</em> is the width and <em>h</em> is the heigth of the smartphone.

2. You know that the dimensions are:

h=4.9in\\w=2.3in\\d=8mm

3. Convert the height and the width from inches to centimeters, as following:

h=\frac{4.9in*2.54cm}{1cm}=12.44cm

w=\frac{2.3in*2.54cm}{1cm}=5.84cm

4. Convert milimeters to centimeters:

d=\frac{8mm}{10}=0.8cm

4. Then, the volume is:

V=(12.44cm)(5.84cm)(0.8cm)=58.11cm^{3}

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sergey [27]
<h3>Therefore they are perpendicular.</h3>

Step-by-step explanation:

A equation of line is

y =mx +c

Here the slope of the line is m.

Given equations are

x - 2y = 18

⇔-2y = -x +18

\Leftrightarrow y =\frac{1}{2} x -9............(1)

and 2x + y = 6

⇔y = -2x +6 ............(2)

Therefore the slope of equation (1) is(m_1)= \frac{1}{2}

Therefore the slope of equation (2) is(m_2)= -2

If two lines are perpendicular, when we multiply their slope we get -1.

therefore,

m_1. m_2 =\frac{1}{2}. (-2) = -1

Therefore they are perpendicular.

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3 years ago
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VashaNatasha [74]
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7 0
3 years ago
Han spent 75 minutes practicing the piano over the weekend. For each question, explain or show your reasoning. A. Priya practice
irakobra [83]

Answer:

a. 114 minutes

b. 48 minutes

Step-by-step explanation:

Given that

Time spent over the piano is 75 minutes

a. if Priya practice violin for 152% as Han Practiced for piano

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So the minutes he practice in Clarinet is

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= 48 minutes

The same is to be considered

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2 years ago
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Answer:

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