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katrin2010 [14]
3 years ago
7

What is 9^7 written in expanded form ​

Mathematics
1 answer:
Helen [10]3 years ago
4 0

Answer:

9*9*9*9*9*9*9

Step-by-step explanation:

it's basically 9 multiply by itself for 7 times

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Which of the following are polynomials and which are not polynomials?
tresset_1 [31]

Answer:

only (2) and (4) are polynomial out of given options.

Step-by-step explanation:

Polynomial  is an expression having  variables having positive integer exponents with real constant coefficients. example 2x^2+3x+4

We are given some polynomials and we have to choose whether are polynomial or not.

Consider ,

1) x^{\frac{2}{7}}+1

Since, Polynomial does not have a fractional exponent.

So, 1) Not a polynomial.

2) -2x^3+2x+4

Since all of the variables have integer exponents that are positive this is a polynomial.

3) x^{-3}+4x

Not a polynomial because a term has a negative exponent .

4) 6x-x^3+4x^2

Since all of the variables have integer exponents that are positive this is a polynomial.

Thus, only (2) and (4) are polynomial out of given options.




3 0
3 years ago
True or False: Employees are required in all states to contribute to the state unemployment insurance fund
Lynna [10]
I think its false i read allot of that kind of stuff

7 0
3 years ago
Read 2 more answers
HEEEEELLLLLLLLLPPPPPPPMEEEEEEEE!!!!!!!!!!!
zloy xaker [14]

Answer: a = 18

Step-by-step explanation:

The pythagorean theorem says that the sum of the square of the two legs of a triangle is equal to the square of the hypotenuse.

The two legs are 80 and a, and the hypotenuse is 82 which gives us

80² + a² = 82²

a² = 324

a = 18.

7 0
1 year ago
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This figure consists of a rectangle and semicircle
dedylja [7]

Answer:

\huge\boxed{\sf Area \ of \ the \ figure =38.1cm\²}

Step-by-step explanation:

<u>Area of rectangle:</u>

= Length * Width

Where length = 4, Width = 6

= 4 * 6

= 24 cm²

<u>Area of semi-circle:</u>

Diameter = 6 cm

Radius = D/2 = 6/2 = 3 cm

Area = πr² / 2

Area = (3.14)(3)²/2

Area = (3.14)(9) / 2

Area = 28.3 / 2

Area = 14.1 cm²

<u>Area of the whole figure:</u>

= Area of the rectangle + Area of the semi-circle

= 24 + 14.1

= 38.1 cm²

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
3 0
2 years ago
Read 2 more answers
4 1/2 - 1 2/4 as a mixed number if possible
givi [52]
You don’t need a mixed number because 4 1/2 - 1 2/4 = 3. It’s the same as 4 1/2 - 1 1/2
4 0
3 years ago
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