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Vanyuwa [196]
2 years ago
15

Find f(-) if f(n) = 5n + 6.

Mathematics
1 answer:
Arada [10]2 years ago
6 0

Answer:

f(-1) = 1

Step-by-step explanation:

Are you missing a number after the negative in f(-)?

If so, let me solve for f(-1) so substitute in the n with a -1 so f(-1) = 5(-1) + 6

so f(-1) = -5 + 6 so f(-1) = 1

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Find the volume of a cylinder made by rotating a rectangle with a width of 2.5 feet and a length of 8 feet as shown in the figur
asambeis [7]

<span>the question does not present the picture, but this does not interfere with the resolution</span>

we know that
When a rectangle with a width of 2.5 feet and a length of 8 feet rotates it makes a cylinder with a radius r = 2.5 ft and a height h = 8 ft

volume of a cylinder=pi*r²*h-----> pi*2.5²*8----> 157 ft³

the answer is
157 ft³
7 0
3 years ago
Write a polynomial function of the least degree that has roots of 3 and (4 + i).
polet [3.4K]

Answer:

  • x³ - 11x² + 41x - 51

Step-by-step explanation:

The least number of degree is 3 and the third root should be (4 - i) to make polynomial rational.

<u>The polynomial is:</u>

  • (x - 3)(x - (4 + i))(x - (4 + i)) =
  • (x - 3)(x² -x(4 + i + 4 - i) + (4 + i)(4 - i)) =
  • (x - 3)(x² - 8x + 16 - (-1)) =
  • (x - 3)(x² - 8x + 17) =
  • x³ - 8x² + 17x - 3x² + 24x - 51 =
  • x³ - 11x² + 41x - 51
4 0
2 years ago
If you can help please do! Thank you!
Aleks [24]

Answer:

see explanation

Step-by-step explanation:

The diagonals of a parallelogram bisect each other , then

CO = OA = b

DO = OB = a

(a)

CA = CO + OA = b + b = 2b

(b)

DC = DO + OC = a - b

(c)

CB = CO + OB = b + a = a + b

7 0
2 years ago
HOW MANY SIDES ARE ON THIS TRIANGLE NEED HELP ASAP AND I NEED SOMEONE WHI ACTUALLY KNOWS NOT SOME SECOND GRADER
sladkih [1.3K]
There would be four sides, three around and the bottom base <span />
8 0
3 years ago
Read 2 more answers
Help for brianilist please!!!
Dima020 [189]
Hi there!!!

So using this rule:

Area = base * height
20ft  * 15ft  = 300ft^2
↑            ↑
base    height      

HOPE IT HELPS U!!!!!!!!!
THE ANSWER IS 300 FT^2

~ TRUE BOSS




5 0
3 years ago
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