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3 years ago

A rectangular fish tank has a base that is 7 inches

Mathematics

1 answer:

aivan3 [116]3 years ago

8 0

Answer:

210 in^3

Step-by-step explanation:

7x5x6 = 210 cubic inches

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Regina has a bag of marbles that contains 3 blue marbles, 4 red marbles, and 5 yellow marbles. She draws one marble, then replac

iVinArrow [24]

Answer:

Possible outcomes=12

$P(\text{Blue marble first})=\frac{1}{4}$

$P(\text{Yellow marble})=\frac{5}{12}$

$P(\text{ Blue then yellow})=\frac{5}{48}$

Step-by-step explanation:

We can see these two events are independent as Regina replaced marble after drawing one marble.

We can find possible outcomes by adding number of blue, red and yellow marbles.

$\text{Possible outcomes}=3+4+5=12$

Let us find probability of getting a blue marble on first draw.

$P(\text{Blue marble})=\frac{3}{(3+4+5)} =\frac{3}{12} =\frac{1}{4}$

Now we will find probability of getting yellow marble.

$P(\text{Yellow marble})=\frac{5}{(3+4+5)} =\frac{5}{12}$

We can find probability of getting a blue marble and then yellow marble by multiplying both probabilities.

$P(\text{ Blue then yellow})=\frac{1}{4}* \frac{5}{12} =\frac{5}{48}$

Therefore, probability of getting a blue marble and then yellow marble is $\frac{5}{48}$ .

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4 years ago

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Question 13

horsena [70]

Answer:

4x² - x

Step-by-step explanation:

Add:

3x² + 2x - 1

x² - 3x + 1

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3 years ago

Need help plz I need to pass this.

Ierofanga [76]

Answer:

Subtract 10 from both sides

Step-by-step explanation:

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3 years ago

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What is the answer to this

alina1380 [7]

I hope this is the answer you are looking for

8 0

3 years ago

There are 8 fewer tigers than lions at the zoo. There are 8 tigers at the zoo. How many lions does the zoo have?

Aleks04 [339]

Sixteen because if there are eight less tigers than lions at a zoo, then that means you add 8 to get the number of lions

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4 years ago

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