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Ira Lisetskai [31]
4 years ago
5

48x2 + 48xy2 + 12y4 =

Mathematics
2 answers:
drek231 [11]4 years ago
8 0

Step by step solution :

Step 1 :

Equation at the end of step 1 :

((48•(x2))+(48x•(y2)))+(22•3y4)

Step 2 :

Equation at the end of step 2 :

((48 • (x2)) + (24•3xy2)) + (22•3y4)

Step 3 :

Equation at the end of step 3 :

((24•3x2) + (24•3xy2)) + (22•3y4)

Step 4 :

Step 5 :

Pulling out like terms : 5.1

Pull out like factors :

48x2 + 48xy2 + 12y4 = 12 • (4x2 + 4xy2 + y4)

Trying to factor a multi variable polynomial :

5.2 Factoring 4x2 + 4xy2 + y4

Try to factor this multi-variable trinomial using trial and error

Found a factorization : (2x + y2)•(2x + y2)

Detecting a perfect square :

5.3 4x2 +4xy2 +y4 is a perfect square

It factors into (2x+y2)•(2x+y2)

which is another way of writing (2x+y2)2

How to recognize a perfect square trinomial:

• It has three terms

• Two of its terms are perfect squares themselves

• The remaining term is twice the product of the square roots of the other two terms

Final result :

12 • (2x + y2)2

Hope this helps!

stich3 [128]4 years ago
5 0

12y4+48xy2+48x2 that is the answer simplified

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Aleksandr-060686 [28]

Answer:

B = 50 & C = 130

Step-by-step explanation:

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3 0
3 years ago
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babunello [35]

Answer:  

2 hours:  3968  <u>[I don't understand the $ sign in the answer box]</u>

At midnight:  12137

Step-by-step explanation:

The bacteria are increasing by 15% every hour.  So for every hour we will have what we started with, plus 15% more.  

The "15% more" can be represented mathematically with (1 + 0.15) or 1.15.  Let's call this the "growth factor" and assign it the variable b.  b is (1 +  percent increase).

Since this per hour, in 1 hour we'll have (3000)*(1.15) = 3450

At the end of the second hour we're increased by 15% again:

(3450)*(1.15) = 3968.

Each additional hour add another (1.15) factor,  If we assign a to be the starting population, this can be represented by:

P = a(1.15)^t for this sample that increase 15% per hour.  t is time, in hours.  

If a represents the growth factor, and P is the total population, the general expression is

P = ab^t

Using this for a = 3000 and b = 1.15, we can find the total population at midnight after starting at 2PM.  That is a 10 hour period, so t = 10

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8 0
3 years ago
HELP ASAP!!! 40 POINTS
ICE Princess25 [194]

Using derivatives, it is found that the x-values in which the slope belong to the interval (-1,1) are in the following interval:

(-15,-10).

<h3>What is the slope of the tangent line to a function f(x) at point x = x0?</h3>

It is given by the derivative at x = x0, that is:

m = f^{\prime}(x_0).

In this problem, the function is:

f(x) = 0.2x^2 + 5x - 12

Hence the derivative is:

f^{\prime}(x) = 0.4x + 5

For a slope of -1, we have that:

0.4x + 5 = -1

0.4x = -6

x = -15.

For a slope of 1, we have that:

0.4x + 5 = 1.

0.4x = -4

x = -10

Hence the interval is:

(-15,-10).

More can be learned about derivatives and tangent lines at brainly.com/question/8174665

#SPJ1

8 0
2 years ago
Help Me please i need some help :)
DanielleElmas [232]
A=45
Explanation:
A= a+b/2*h
7 0
3 years ago
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