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Afina-wow [57]
3 years ago
5

The fastest pizza box folder can assemble 2 pizza boxes in 5 seconds. At this rate, how long would it take to assemble 20 pizza

boxes?
Mathematics
2 answers:
Novay_Z [31]3 years ago
6 0

Answer:

50 seconds

Step-by-step explanation:

2 boxes in 5 seconds

20÷2=10

10×5=50

50 seconds = 20 pizza boxes

leva [86]3 years ago
4 0

Answer:

50

Step-by-step explanation:

2=5secs

20=?

to make 20 from 2 you do =2×10

so,

5×10=50seconds is the time he would take to assemble 20pizza boxes

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Answer:

The second choice

Step-by-step explanation:

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Area is multiplying the length and width. 3.2 multiplied by 1.5 would be 4.8

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Answer:

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Solution

- The question gives us a composite figure made up of a cylinder and a cube.

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- The formulas needed for this calculation are:

\begin{gathered} Volume\text{ of Cylinder}=\pi\times r^2\times h \\ where, \\ r=radius\text{ of the cylinder} \\ h=height\text{ of the cylinder} \\  \\ Volume\text{ of Cube}=l^3 \\ where, \\ l=dimension\text{ of the cube} \\  \\ Volume\text{ of Composite figure}=Volume\text{ of Cylinder }+Volume\text{ of Cube} \\  \end{gathered}

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Volume of the Cylinder:

\begin{gathered} V=\pi\times r^2\times h \\ r=\frac{6}{2}=3\text{  \lparen Since 6cm is the diameter of the cylinder\rparen} \\ h=4 \\  \\ \therefore V=\pi\times3^2\times4 \\  \\ V=36\pi cm^3 \end{gathered}

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\begin{gathered} V=l^3 \\ l=9 \\ \therefore V=9^3=729cm^3 \end{gathered}

Volume of Composite Figure:

\begin{gathered} V=36\pi+729 \\ use\text{ }\pi=3.14 \\  \\ V=36\left(3.14\right)+729 \\  \\ V=842.04cm^3 \end{gathered}

Final Answer

The volume of the composite shape is 842.04 cm³

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