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AveGali [126]
3 years ago
6

What is a prime number?

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0
A prime number is a number that only has two factors: 1 and itself.
Vesna [10]3 years ago
5 0

A prime number is a natural number (the positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well) greater than 1 that cannot be formed by multiplying two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 or 5 × 1, involve 5 itself.

Hope this helps! ;)

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Jacob helps paint a square mural in his classroom. Then he helps paint a mural in the hallway whose length is 6 feet longer and
julia-pushkina [17]
Dimensions of the hallway mural:
L = x + 6,  W = x - 2. 
An expression is:
A ( hallway mural ) = ( x + 6 ) · ( x - 2 )
If x = 8 ft ( length of each side of the classroom ):
A ( h. m . ) = ( 8 + 6 ) · ( 8 - 2 ) =
= 14 · 6 = 84 ft²
The area of the hallway mural is 84 ft².
3 0
3 years ago
Read 2 more answers
The profit function for a product is given by p(x)=-x^3+3x^2+900x-2100, where x is the number of units produced and sold and P i
nalin [4]

Answer:

x = 30 and x = 3 both solve the equation correctly. See work below.

Step-by-step explanation:

The very first step is to realize that p(x) is in hundreds of dollars and that the given number is not. 60000 is not in hundreds of dollars. It is in dollars. 60000 dollars = 60000/100 = 600 hundreds of dollars.

Make the polynomial = 600

-x^3+3x^2+900x-2100 = 600  Subtract 600 from both sides

-x^3+3x^2+900x-2100 - 600 = 0  Combine

-x^3+3x^2+900x- 2700 = 0           Group  the first and second term and the Thrid and fourth terms.

(-x^2 + 3x^2) + (900x - 2700) = 0  Bring out the common factors from both groups.

-x^2(x - 3) + 900(x - 3) = 0 Factor out x - 3 on both sides of the plus sign

(- x^2 + 900)(x - 3) = 0       Reverse -x^2 + 900 to  900 - x^2

(900 - x^2)(x - 3) = 0          factor (900 - x^2) using the difference of squares

(30 - x)(30 + x) (x - 3) = 0

The two answers that work are

30 - x = 0                           Solve

- x = - 30                            Divide by - 1

-x/-1 = -30/-1                       Combine                          

x  = 30

============

x - 3 = 0

x = 3

===========

There are two values that will work to give p(x) = 600. There is no way to account for why both values work.

The graph below confirms both answers.


3 0
3 years ago
36 increased by twice x is
ICE Princess25 [194]
36 + x  would be your answer. When something is 'increased', you are adding to it. Such as saying 47 increased by -5x is the same as 47 + (-5x).
If this wasn't the answer you were looking for, let me know. For now, I hope this helped:)

4 0
3 years ago
Read 2 more answers
109)
Lubov Fominskaja [6]
I strongly believe the answer is c
Hope this helps in some way:)
7 0
2 years ago
Question<br> Use the distributive property to multiply the polynomials.<br> -5x2(6x - 1)
nignag [31]

Answer:

-60x + 10

Step-by-step explanation:

-5 x 2(6x - 1)

-10 (6x - 1)

-60x + 10

7 0
3 years ago
Read 2 more answers
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