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Crazy boy [7]
2 years ago
5

A fish tank in a pet store has 23 fish in it. 10 are orange and 13 are white. Determine the probability that if we select 4 fish

from the tank, at least 2 will be white.
Mathematics
1 answer:
Gala2k [10]2 years ago
3 0

Answer:

ok so the probility of gettting one white fish is

13/23

and if we take out one white fish the problity is

12/22

so we just multiply

12/22*13/23=0.30830039525

so the problity is 0.30 if you choose two fish you will get white for both

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Vinil7 [7]
Not as hard as you think.
Just multiply all the prime factors together.
4 0
2 years ago
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A necklace regularly sells for $18.00. the store advertises a 15% discount. what is the sale price of the necklace in dollars
SSSSS [86.1K]
I can solve with 2 methods:

I. Because the discount is 15 % of 18 $ , the price will be (100-15=85) 85 % of 18 $
18*85/100= 15,3 $ ( the sale price)

II. The discount is 15 % of 18$
15*18/100= 2,7$  ( the discount)
then I decrease it from the regularly price
18$-2,7$=15,3 $ (the sale price)

Personally I believe the first is an easier method.
I hope you understand and you can apply this in every similary problem.



6 0
3 years ago
A three-dimensional object has a depth of 8 inches and a triangular base that has an area of 12 square inches, so it has a volum
Lemur [1.5K]

Answer:  Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Area of triangular base = 12 sq. inches

Height of a three dimensional object = 8 inches

We need to find the Volume of that object.

As we know that "Volume = Area of base × Height "

So, it becomes,

Volume=12\times 8\\\\Volume= 96\ cubic.\ inches

So, the volume of object is 96 cubic inches.

Hence, Option 'D' is correct.

4 0
3 years ago
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Round 519.6597 to the nearest tenth place
EleoNora [17]
To round to the nearest tenth place you are going to round the last two digits of that, you should get 519.7
8 0
3 years ago
Find the equation of a line containing the given points. Write the equation in slope-intercept form.
Alja [10]
X=2 because both coordinates have x as 2
4 0
3 years ago
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