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adell [148]
3 years ago
5

Pyramid = 40

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

Answer:

A. 39,000.

Step-by-step explanation:

Volume of the lower prism = 30^3= 27,000

Volume of the pyramid = 1/3 area of the base * height

= 1/3 * 900 * 40

= 1200

Volume of the whole solid = 27000 + 12000

= 39,000,

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Type the correct answer in the box. Use numerals instead of words.
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8 0
3 years ago
If x is equal to 9 and y is equal to -3, then what is the value of…….? x - 9y - 3x + 6y -13?
Vesnalui [34]

We are given –

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  • y = -3

Now put the values –

\qquad \twoheadrightarrow\bf x - 9y - 3x + 6y -13

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\qquad \twoheadrightarrow\sf  9 + 27 -27 -18 -13

\qquad \twoheadrightarrow\sf  9 +\pink{\cancel{27}}-\pink{\cancel{27}} -31

\qquad \twoheadrightarrow\bf-22

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________________________________________

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viktelen [127]
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18i+27i
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3 years ago
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