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3 years ago

11

The surface area of a triangular prism is 112 square inches. What is the surface area of a similar prism with dimensions that ar

e half as great?

1 answer:

deff fn [24]3 years ago

5 0

66 square inches? I'm not sure.

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One card is randomly selected from a deck of cards find the odds against drawing a seven

Stella [2.4K]

Answer:

$\frac{3}{4}$

Step-by-step explanation:

Probability of getting a 7 + Probability of not getting a 7 = 1.

Odds against drawing a 7 = Probability of not getting a 7.

We could calculate the probability of getting a 7 and subtract 1 from it to get the answer.

There a four sevens in a deck of card, one of each kind.

Probability of getting a 7 = $P(7) = \frac{4}{52} = \frac{1}{13}$

$\implies P(not \hspace{1mm} getting \hspace{1mm} a \hspace{1mm} 7) = 1 - P(7)$

$\implies$ P(not getting a 7) $= 1 - \frac{1}{13} = \frac{12}{13}$

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3 years ago

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Step-by-step explanation:

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3 years ago

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There were some gumballs in a bag. Mrs. Roxas

Mekhanik [1.2K]

Step-by-step explanation:

$6 \times \frac{3}{2} \times \frac{4}{1} = 36$

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2 years ago

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3 years ago

What is the exact volume of a sphere with a diameter of 36 in.?

Contact [7]

The volume of a sphere:
$V=\frac{4}{3} \pi r^3$
r - the radius

The diameter is twice the radius.
$d=36 \ in \\
r=\frac{36}{2} \ in = 18 \ in \\ \\
V=\frac{4}{3} \pi \times 18^3=\frac{4}{3}\pi \times 5832=\frac{23328}{3} \pi=7776\pi \ [in^3]$

The exact volume of the sphere is 7776π in³.

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3 years ago