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Liono4ka [1.6K]
3 years ago
12

Find the area of a playing field whichs area is 15 meters

Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0
Easy just multiply 4 and 15 bc a playing field has 4 sides and u get 60
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R^2+3r+5-r^3/r is a quadratic/cubic/linear polynomial?
Sergeu [11.5K]

r^2+3r+5-r^3/r is  a linear polynomial

S<u>tep-by-step explanatio</u>n:

based on the highest power of the variables of a polynomial, it can be classified as linear,polynomial, quadratic polynomial,cubic polynomial etc.

In a linear polynomial, the highest power of the variable is 1. The general form of a linear polynomial is ax+b

In a quadratic polynomial, the highest power of the variables is 2.The general form of quadratic polynomial is ax^2+bx+c

In a cubic polynomial,the highest power of variable is 3.The general form of cubic polynomial is ax^3+bx^2+cx+d.

Take the given question and simplify it

r^2+3r+5-r^3/r=r^2+3r+5-r^2\\=3r+5

It is of the form ax+b. Hence it is  a linear polynomial.

3 0
3 years ago
Could I get some help?
balandron [24]

Answer:

#adult tickets sold = 346

#student tickets sold = 812

Step-by-step explanation:

let 'x' = # adult tickets sold

let 'y' = # students tickets sold

System of Equations:

x + y = 1158

5x + y = 2542

I used the elimination method and multiplied the first equation by -1

  -x - y = -1158

+<u> 5x + y = 2542</u>

  4x  =  1384

   x = 346

346 + y = 1158

y = 812

4 0
3 years ago
A sector from a radius 4 circle has an area of 8 square feet. Find the perimeter of the sector. Use an exact answer.
Ludmilka [50]

Answer:

I'm not sure how to solve the question what kind of math is it

8 0
3 years ago
What is the definition of csc θ ?
Greeley [361]
Csc is the inverse of sin. This means the formula in regards to a triangle for csc is h/o, unlike o/h for sin. csc can also be knows as 1/sin. 
3 0
3 years ago
Miss James has a six square-foot bulletin board in at 12 ft.² bulletin board she wants to cover both boards with index cards wit
irinina [24]
6 divided by 1/4 = 24 + 12 divided by 1/4 = 48, then 48 + 24 = 72
5 0
3 years ago
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