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MakcuM [25]
3 years ago
13

A penguin population increases by 60%, representing an increase of 3840 penguins. How many penguins were there before the increa

se?
Mathematics
1 answer:
8090 [49]3 years ago
8 0

Answer:

2304

Step-by-step explanation:

The equation for this is 3840*0.6 which equals 2304. And to check, we can divide 2304 by 0.6, and that gives us 3840. I hope this helps! :)

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−15 ÷ 5 =
jekas [21]

Answer:

-3 is the answer because if we divide 15 by 5 we get 3 . So it is same only the question is -15 divide by 5 so the answer is -3

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=2151%20%2B%202551" id="TexFormula1" title="2151 + 2551" alt="2151 + 2551" align="absmiddle" cl
vichka [17]
This is 4702 hope it helps
6 0
4 years ago
Read 2 more answers
What are the domain and range of the function f(x)= x^4 -6x^3 -4x^2 54x -45?
Agata [3.3K]
Domain is the numbers you can use
we can use all real numbers for this one

rangge is the numbers we get from inputting the domain

well, this is a 4th degree, so we need to find the minimum,because the leading coefient is positive so it opens up, and as x approaches negative and positive infinity, then f(x) approaches infnity

find minimum
take derivitive
f'(x)=4x^3-18x^2-8x+54
the zeroes are at about -1.652 and 1.9381 and 4.2145
we use a sign chart
the minimum occurs at hwere the derivitive changes from negative to positive
that is at -1.652 and 4.2145
evaluate f(-1.652) and f(4.2145)
f(-1.652)=-110.626
f(4.2145)=-22.124
the least value is -110.626
that is the minimum

so the domain is all real numbers
range is from -110.626 to infinity
8 0
4 years ago
Find the number if 5/3% of it is 4.75
Lostsunrise [7]
If 5/3% of some number is 4.75, then 1/3% of that number would be 4.75/5. Then multiply that answer by 3 to get 3/3=1% of the number, and finally multiply by 100 to get 100%.
7 0
3 years ago
Find the cube root!!!!
WARRIOR [948]

Answer:

-2/3

Step-by-step explanation:

3√-8/27

(-2/3)³ = -8/27.

7 0
3 years ago
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