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Alex_Xolod [135]
3 years ago
7

Which of the following is a polynomial?

Mathematics
2 answers:
lyudmila [28]3 years ago
7 0

Answer:

<em><u>D.</u></em>

Step-by-step explanation:

A polynomial is an expression that looks similar to this:

3x³+x-3

soldier1979 [14.2K]3 years ago
7 0

A POLYNOMIAL IN ONE VARIABLE is a polynomial that contains only one variable. Example: 5x 2 + 3x - 7.

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Identify each matrix A such that A^2 has identical diagonal elements?
Maksim231197 [3]

Answer:

The correct matrices are:

Matrix:

7 1 5

1 5 7

5 7 1

all diagonal elements of A^2 are: 7^2 + 1^2 + 5^2

Matrix:

9   18  27

27 -9  18

18  27 9

all diagonal elements of A^2 are: 9^2 + 27*18 + 18*27   or (-9)^2

Matrix:

8 1 6

6 8 1

1 6 8

all diagonal elements of A^2 are: 8^2 + 6*1 + 1*6

6 0
3 years ago
Help would be appreciated
Minchanka [31]
I believe it would be A linear.
I know you posted this 4 days ago, but I still hope the answer comes in handy.
3 0
3 years ago
What is the area of a circle with radius of 3 inches? Use pie =3.14 A .18.84 square roots B .28.26 square roots C .9.42 square r
tatiyna

Answer:

B. 28.26

Step-by-step explanation:

First you have to find the circumference:

R²= 3²=9

Then you multiply your circumference by 3.14 to get you answer:

9·3.14=28.26

3 0
3 years ago
What is the circumference of a circle with a diameter of 190mm?
MrMuchimi

Answer:

it's 502.6548246

Step-by-step explanation:

hhhhhhhg

7 0
3 years ago
Find the perimeter and area of the regular polygon. Round answers to the nearest tenth.
RideAnS [48]

Answer: perimeter = 26.5

Area = 106

Step-by-step explanation:

The given polygon is an octagon. The apotherm which is the perpendicular line from the midpoint of the octagon is 8,

The formula for determining the area of a polygon is expressed as

Area = a² × n × tan 180/n

Where n represents the number of sides of the polygon.

n = 8

Therefore,

Area = 8² × 4 × tan(180/8)

Area = 256 × tan 22.5

Area = 106

The formula for determining the perimeter of a regular polygon is

P = 2 × area/apotherm

Perimeter = 2 × 106/8

Perimeter = 26.5

5 0
3 years ago
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