3 years ago

Which, if either, of these solids has the same volume as the pyramid below?

Mathematics

1 answer:

Alexus [3.1K]3 years ago

7 0

Answer:

Neither

Step-by-step explanation:

The image in the question has the volume of 120 while the answers A = 40 and B = 240 volume.

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4 years ago

Sam receives 4 dollars more than Nathan for allowance. Nathan receives 8 dollars less than Hector. If Sam receives 15 dollars fo

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S = N + 4
N = H - 8
S = 15

S = N + 4

Plug in 15 for 'S':

15 = N + 4

11 = N

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Add 8 to both sides:

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3 years ago

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Box A has a surface area of 98 in 2. If box B is 4 times the size of box A, what is the surface area of box B?

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Given:

Box A has a surface area of 98 in².

Box B is 4 times the size of box A.

To find:

The surface area of box B.

Solution:

Let "a" be the side of box A , then "4a" be the side of box B because box B is 4 times the size of box A.

We know that the areas of similar figures are proportional to the square of their corresponding sides.

$\dfrac{\text{Area of box A}}{\text{Area of box B}}=\dfrac{(\text{Side of box A})^2}{(\text{Side of box B})^2}$

$\dfrac{98}{A_B}=\dfrac{(a)^2}{(4a)^2}$

$\dfrac{98}{A_B}=\dfrac{(a)^2}{16a^2}$

$\dfrac{98}{A_B}=\dfrac{1}{16}$

Using cross multiplication, we get

$98\times 16=1\times A_B$

$1568=A_B$

Therefore, the surface area of box B is 1568 in².

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5. Given a rectangular prism with width and height = 6x and length = 12x-9. The expression for the surface area of the rectangul

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Correct answer is $72x^2+288x^2-216x$

Step-by-step explanation:

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Hatshy [7]

Answer:

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Step-by-step explanation:

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