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2 years ago

the volume of a rectangular prism is 72 cubic centimeters. the prism is 2 centimeters wide and 4 centimeters high.

Mathematics

2 answers:

levacccp [35]2 years ago

6 0

Answer:

it is 9 cm because 9 x 8 is 72

Step-by-step explanation:

pshichka [43]2 years ago

3 0

Answer:

9 cm

Step-by-step explanation:

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Four friends each fipped a coin different numbers of times.

Gelneren [198K]

Answer:

Sarah

Step-by-step explanation:

Alice: 75%

Mary: 80%

Sarah: 85%

Ellen: 60%

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2 years ago

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LUCKY_DIMON [66]

The answer is either b or c

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3 years ago

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Simplify. (fg2)4 Can you please help me? I'm stuck on this question

Natasha2012 [34]

Answer:

$4fg^{2}$

Step-by-step explanation:

1) Remove parentheses.

$fg^{2} *4$

2) Regroup terms.

$4fg^{2}$

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2 years ago

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Flura [38]

Sin = opposite/hypothenuse
Given opposite = 16
Hypothenuse = ?
Use Pythagorean theorem to find hypothenuse

12^2 + 16^2 = h^2
144 + 256 = h^2
h^2 = 400, h = 20

You know hypothenuse is 20
Opposite/hypothenuse

Solution: 16/20
Simplify if you need to (4/5)

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3 years ago

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If there are 52 cards in a deck with four suits (hearts, clubs, diamonds, and spades), how many ways can you select 5 diamonds a

Luba_88 [7]

Answer:

$12C5 *(12C3) = 792*220 =174240 ways$

Step-by-step explanation:

For this case we know that we have 12 cards of each denomination (hearts, diamonds, clubs and spades) because 12*4= 52

First let's find the number of ways in order to select 5 diamonds. We can use the combinatory formula since the order for this case no matter. The general formula for combinatory is given by:

$nCx = \frac{n!}{x! (n-x)!}$

So then 12 C5 would be equal to:

$12C5 = \frac{12!}{5! (12-5)!}=\frac{12!}{5! 7!} = \frac{12*11*10*9*8*7!}{5! 7!}= \frac{12*11*10*9*8}{5*4*3*2*1}=792$

So we have 792 was in order to select 5 diamonds from the total of 12

Now in order to select 3 clubs from the total of 12 we have the following number of ways:

$12C3 = \frac{12!}{3! 9!}=\frac{12*11*10*9!}{3! 9!} =\frac{12*11*10}{3*2*1}=220$

So then the numbers of ways in order to select 5 diamonds and 3 clubs are:

$(12C5)*(12C3) = 792*220 =174240 ways$

3 0

2 years ago