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4 years ago

A b and c are polynomials,when A=n,B=2n+6,and C =n^2-1 what is ab-c in simplest form

Mathematics

1 answer:

dexar [7]4 years ago

7 0

Ab - c = (n)(2n + 6) - (n^2 - 1)
•distributive property)•
(2n^2 + 6n) - (n^2 - 1)
^ I think that's the simplest form

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The measure of angle (m ∠A) is 136°

<h3>Vertical angles theorem</h3>

From the question, we are to find the measure of angle A

From the given information, we have that

∠A and ∠B are vertical angles

Thus

∠A = ∠B

and

Also, from the given information,

m ∠A=(2x+26)°

and

m ∠B= (3x−29)°

∴ (2x+26)° = (3x−29)°

Now, solve for x

2x + 26 = 3x - 29

26 + 29 = 3x - 2x

55 = x

∴ x = 55

But measure of angle A is given by

m ∠A=(2x+26)°

Put the value of x into the equation,

m ∠A=(2(55)+26)°

m ∠A=(110+26)°

m ∠A = 136°

Hence, the measure of angle (m ∠A) is 136°

Learn more on Vertical angle theorem here: brainly.com/question/24839702

#SPJ1

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