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anygoal [31]
2 years ago
11

Perform the indicated operation. f(n) = 4n - 5, g(n) = n^2 - 5 Find: (f - g) (n)

Mathematics
1 answer:
Alex777 [14]2 years ago
3 0

Hi there!

\large\boxed{-n^2 + 4n}

Begin by evaluating f - g:

4n - 5 - (n² - 5)

Simplify:

4n - 5 - n² + 5  = 4n - n²

Or it can be written as -n² + 4n to match the first answer choice.

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How can the associative property be used to mentally solve 48+82?
Lilit [14]
(40+80) + (8+2)
120+10
130
your answer would be 130
you group 40 and 80 and get the answer and then group 8 and 2
get answer to both then and then you add them together for the answer
5 0
3 years ago
Maria says if I multiply the current temperature by 4 and then subtract 40 the results is the same as 3 times the current temper
astra-53 [7]

Answer:

No, Richard is incorrect, the current temperature is 40 degrees.

Step-by-step explanation:

4x-40=3x

4x-3x=40

x=40

4 0
3 years ago
The population of bald eagles in Forest National Park is declining at a rate of 14% per year. The following expression represent
neonofarm [45]

We know that the population is declining at a rate of 14% per year.

The expression is:

N ( x ) = 206 * ( 0.86 ) ^ x

where x stays for years.

If we want to find the rate at which the population is declining per month we have to find:

\sqrt[12]{0.86} = 0.9875

And 0.9875 ≈ 0.99

There are 12 months in a year so the exponent is: x/12

Answer:

b. ( .99 ) ^ x/12


7 0
3 years ago
Read 2 more answers
I dont understand the elimanation method can someone explain?
Lesechka [4]
The best way I can explain the elimination method is, it's a method where you either add or subtract equations in order to get rid of a variable.
3 0
3 years ago
Read 2 more answers
A rectangle is 2 meters wide and 6 times as long as it is wide. Find the area and perimeter
Anna [14]

<u>PERIMETER</u>

Answer:

Answer is 28 m

Step-by-step explanation:

Breadth= 2m

Length= 2X6m

= 12m

Perimeter of a rectangle = 2X (Length+ Breadth)

= 2X (2+12)

= 2X14

= 28m

<u>AREA</u>

Answer:

Answer is 24 m

Explanation:

Length= 12

Breadth= 2

Area of a rectangle= Length X Breadth

= 12X2

= 24 sq. m

Hope it helps ;)

Please mark as brainliest!

4 0
2 years ago
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