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Bingel [31]
3 years ago
15

In a fish tank, there are 24 goldfish, 2 angel fish, and 5 guppies. if a fish is selected at random, find the probability that i

t is a goldfish or an angel fish.
Mathematics
1 answer:
Artist 52 [7]3 years ago
3 0
There are a total of 31 fish in the tank. Therefore, the probability of it being a goldfish is 24/31 or about 77.4%, since there are 24 goldfish. The probability of it being an angel fish is 2/31 or about 6.45%, for the same reason as before. 
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What I would like to know is how to solve this problem
ratelena [41]
30 - 29 = 1 for the first one.
3 0
3 years ago
Can anyone help me understand how to evaluate the limit of this complex fraction?
SSSSS [86.1K]

Answer:

-1/9

Step-by-step explanation:

\lim_{x \to 3} \frac{1/x-1/3}{x-3}

For simplicity, let's multiply top and bottom by 3x:

\lim_{x \to 3} \frac{3-x}{3x(x-3)}

Factor out a -1:

\lim_{x \to 3} \frac{-(x-3)}{3x(x-3)}

Divide top and bottom by x−3:

\lim_{x \to 3} \frac{-1}{3x}

Evaluate the limit:

\frac{-1}{3(3)}\\-\frac{1}{9}

It's important to note that the function doesn't exist at x = 3.  As x <em>approaches</em> 3, the function <em>approaches</em> -1/9.

5 0
3 years ago
Can someone please help me?
Vadim26 [7]

Answer:

0.84

Step-by-step explanation:

hope this helps, brainliest appreciated!

8 0
2 years ago
I need help and please explain how to actually solve these please! Thankyou
Bezzdna [24]
Realize the tangent function has a period of 180°, so when your calculator (or memory) tells you
.. θ = arctan(-1)
.. θ = -45°
you can translate that value into the desired range by adding multiples of 180° to get the two solutions ...
.. θ = 135°
.. θ = 315°
7 0
3 years ago
Translate this phrase into an algebraic expression.
Daniel [21]

Answer:

16 + 2n

Step-by-step explanation:

n + n is twice of a number, but 2n is simplified. "16 increased by" just represent addition

8 0
3 years ago
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