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77julia77 [94]
3 years ago
10

A bag contains 7 red marbles, 4 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, what is the exact pro

bability that both marbles drawn will be blue?
Mathematics
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer:

Marbles

Step-by-step explanation:

<em>The probability that both marbles will be blue is because your probability of drawing a blue marble (3/5) multiplied by my probability of drawing a red marble (4/9): 3/5 x 4/9 = 12/45 or, reduced, 4/15.</em>

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Step-by-step explanation:

I multiplied 900 by 3

7 0
3 years ago
Read 2 more answers
Gus has a fish tank that holds 471047104710 inches^3 3 cubed of water. He is using a cylinder shaped bucket with a radius of 555
ozzi

Answer:

Gus will need to fill up the cylindrical bucket three times to be able to use it to fill up the tank

Step-by-step explanation:

Extracting the key information from the question:-

*** A fish tank has a capacity or volume of 4710 inches^3

*** The owner of the tank uses a cylindrical shaped bucket to fill the tank

*** The radius of the bucket being used to fill the tank is 5 inches and its height is 20 inches

*** We are only required to calculate how many times Gus will need to fill the bucket in order to completely fill the fish tank.

Since the container that the owner of the fish tank is using to fill the fish tank is cylindrical, we will need the formula for calculating the volume of a cylinder in order to determine the volume of this bucket that is being used to fill the fish tank.

Volume of a cylinder = π × r^2 × h. From the question, we were informed that the radius of the cylindrical bucket is 5 inches and the height of this bucket is 20 inches.

The volume of the bucket is = 3.14 × 5^2 × 20 = 1570 inches^3

Again, we were told that the fish tank that Gus was using cylindrical bucket to fill up has a volume of 4710 inches^3. In order to determine the number of filled buckets that will be able to fill the fish tank, we will then divide the volume of the tank by the volume of the cylindrical bucket:

4710/1570 = 3 full buckets.

Therefore, Gus will need to fill the bucket three times in order to be able to fill up the fish tank.

7 0
3 years ago
A recipe that makes 1 1/2 dozen cookies requires 3/4 cup of sugar. Shanika wants to make 6 dozen cookies. How many cups of sugar
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
Name 4 decimals whose sum is 2.35
Sever21 [200]

Answer:

The values of 4 decimals whose sum is 2.35 will be:

  • a\:=\:.35
  • b=.68
  • \:c=.81
  • d=0.51

Step-by-step explanation:

Name 4 decimals whose sum is 2.35

Let us consider that

  • a be first decimal
  • b the second decimal
  • c be the third decimal
  • d be the fourth decimal

According to the condition, we have to determine

a\:+\:b\:+\:c\:+\:d\:=\:2.35

As we have to name 4 decimals whose sum is 2.35.

So, taking the certain values of a, b, c and d as

a\:=\:.35

b=.68

\:c=.81

d=0.51

The sum of a, b, c and d will be:

0.35+0.68+0.81+0.51=2.35

Putting the values of a, b, c and d in the equation a\:+\:b\:+\:c\:+\:d\:=\:2.35.

a\:+\:b\:+\:c\:+\:d\:=\:2.35

0.35+0.68+0.81+0.51=2.35

2.35 = 2.35

Therefore, the values of 4 decimals whose sum is 2.35 will be:

  • a\:=\:.35
  • b=.68
  • \:c=.81
  • d=0.51

Keywords: decimal, sum

Learn more about decimal sum from brainly.com/question/14500716

#learnwithBrainly

3 0
3 years ago
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