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Jobisdone [24]
2 years ago
5

The number of fish in a lake decreased by 25% between last year and this year. Last year there were 60 fish in the lake. What is

the population this year? If you get stuck, consider drawing a diagram.
Mathematics
2 answers:
Nadusha1986 [10]2 years ago
7 0

Answer:

45 your welcome <3.

ch4aika [34]2 years ago
5 0
60 * 0.25 = 15
15 fishes will decrease from 60
60 - 15 = 45 fishes this year
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marysya [2.9K]

None of these options seem to be correct. You can check each result by differentiation:

(e^x\sec^2x)'=e^x(\sec^2x+2\sec^2\tan x)=e^x\sec^2x(1+\tan x)

(e^x\sec x)'=e^x(\sec x+\sec x\tan x)=e^x\sec x(1+\tan x)

(e^x\tan^2x)'=e^x(\tan^2x+2\tan x\sec^2x)=e^x\tan x(\tan x+2\sec^2x)

(e^x\tan x)'=e^x(\tan x+\sec^2x)

But none of these are equivalent to e^x(\sec x+\tan^2x)...

6 0
2 years ago
I need help please!!!!??
allochka39001 [22]

Answer:

<h2>n < 43</h2>

Step-by-step explanation:

n + 19 < 62           <em>subtract 19 from both sides</em>

n + 19 - 19 < 62 - 19

n < 43

4 0
3 years ago
Algebra help anyone?
dmitriy555 [2]

Answer:

The answer is 20

Step-by-step explanation:

Given that f(2)=1/5

And f(n+1)=f(n)*10

Let's start from n=2

f(2+1)=f(2)*10

f(3)=(1/5)*10

f(3)=2

Now let's take n=3

f(3+1)=f(3)*10

f(4)=2*10

f(4)=20

8 0
2 years ago
S'y afin buys 12 cookies .He gives 3.1 of the cookies to his mother. He gives 6.1 of the cookies to his brother. a)How many cook
Hunter-Best [27]

Answer:

To represent parts of whole numbers, we use fractions.

So if 4 kids are sharing 3 cookies, what happens?

First, we divide one cookie into four equal parts, and give one part to each kid. Then we do the same with the second cookie, and then with the third one.

In the end, each kid will have three pieces. Each piece is a whole cookie divided into four equal parts.

So we represent this amount as

3 (Number of parts) & 4 (How many equal parts the whole is divided into)

3

4

as a fraction

A fraction is made of two numbers :

8 0
2 years ago
Read 2 more answers
And right triangle ABC shown, what is the length of AC?
Vera_Pavlovna [14]
Simple pythagorus theorem with the equation a^2=b^2+c^2
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AC=the square root of 13
4 0
2 years ago
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