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dimulka [17.4K]
2 years ago
12

|-9| + |12| = ?

Mathematics
2 answers:
antoniya [11.8K]2 years ago
6 0

Answer:

21

Step-by-step explanation:

-9=9

9+12=21

Georgia [21]2 years ago
5 0

Answer:

9+12= <u>21</u>

21 is the answer.

<em>Option D.</em>

<em />

~ hope this is right~

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Answer:

     <u>First figure:</u>            954cm^3

     <u>Second figure:</u>      1,508yd^3

     <u>Third figure:</u>

  •          Height= q
  •           Side length = r

     <u>Fourth figure: </u>        726cm^3

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<u></u>

<u>A. First figure:</u>

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            \text{Volume of a cylinder}=\pi \times radius^2\times length

<u>2. Data:</u>

  • radius = 9cm / 2 = 4.5cm
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          Volume=\pi \times (4.5cm)^2\times (15cm)\approx 954cm^3\approx 954cm^3

<u>B. Second figure</u>

<u>1. Formula: </u>

       \text{Volume of a leaned cylinder}=\pi \times radius^2\times height

<u>2. Data:</u>

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<u></u>

<u>C) Third figure</u>

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The apex is the point where the three leaned edges intersect each other.

b) The side length is the measure of the edge of the base, i.e.<u>  r </u><u> </u>.

When the base of the pyramid is a square the four edges of the base have the same side length.

<u>D) Fourth figure</u>

<u>1. Formula</u>

The volume of a square pyramide is one third the product of the area of the base (B) and the height H).

          Volume=(1/3)B\times H

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