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Katen [24]
2 years ago
9

A, b, and c are polynomials, where a = n, b = 2n 6, and c = n2 – 1. what is ab – c in simplest form? –n2 3n 5 n2 6n 1 2n2 6n – 1

3n2 5
Mathematics
1 answer:
Elena L [17]2 years ago
8 0

The equations a = n, b = 2n + 6 and c = n² - 1 are polynomials, and the expression for ab - c is n² + 6n + 1

<h3>How to determine the expression for ab - c?</h3>

The polynomials are given as:

a = n

b = 2n + 6

c = n² - 1

The expression ab - c is calculated using:

ab - c = n * (2n + 6) - (n² - 1)

Expand

ab - c = 2n² + 6n - n² + 1

Collect like terms

ab - c = 2n² - n² + 6n  + 1

Evaluate

ab - c = n² + 6n + 1

Hence, the expression for ab - c is n² + 6n + 1

Read more about polynomials at:

brainly.com/question/4142886

#SPJ4

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KIM [24]
Hi there! 
So to get this we just need to multiply 300 by 5 because it is 1/5 of the hour work. 300 x 5 = 1500 light bulbs. Hope this helps!


6 0
3 years ago
Um someone help? But with real answers please​
levacccp [35]

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Step-by-step explanation:

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Step-by-step explanation:

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6 0
3 years ago
Given you or a person holding a kite string 100 feet long write and draw what the height or altitude the kite is off the ground
Salsk061 [2.6K]

Answer: 75.47\ ft

Step-by-step explanation:

Given

String of the kite is l=100\ ft

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suppose altitude of the kite is h

from the figure, we can write

\Rightarrow \sin 49^{\circ}=\dfrac{h}{100}\\\\\Rightarrow h=100\sin 49^{\circ}\\\\\Rightarrow h=75.47\ ft

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8 0
3 years ago
How did the absent minded professor burn his ear?
Fittoniya [83]

He was ironing when the phone rang.

6 0
3 years ago
If tax was 8.25% on the $220 total for the items purchased at Target, what was the total cost of the items including tax?
Sav [38]

Answer:

$238.15

Step-by-step explanation:

8.25% = 8.25/100 or 0.0825

Multiply 0.0825 and 220 to get $18.15. That's how much the tax is.

Add 220 and 18.15 to get $238.15

5 0
3 years ago
Read 2 more answers
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