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Sveta_85 [38]
3 years ago
12

A

Mathematics
1 answer:
inna [77]3 years ago
7 0

Answer: 5x^4+x^2-6x+12

Step-by-step explanation:

Given

The area of the rectangular piece of wood is A_1=5x^4+3x^2-6x+8

The area of each circle is A_2=x^2-2

Area of the remaining piece of wood

\Rightarrow A_1-2A_2\\\Rightarrow 5x^4+3x^2-6x+8-2(x^2-2)=5x^4+x^2-6x+12

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Can someone please help with the last problem
Brut [27]

Answer:

  18x +9h

Step-by-step explanation:

Such problems are tedious, but not difficult. The trick is to avoid making mistakes in the algebra.

  \dfrac{f(x+h)-f(x)}{h}=\dfrac{(9(x+h)^2)-(9x^2)}{h}\\\\=\dfrac{9(x^2+2xh+h^2)-9x^2}{h}=\dfrac{18xh+9h^2}{h}=\boxed{18x+9h}

3 0
2 years ago
What is the value of h in the equation 8h = 60
irga5000 [103]

Answer:

h= 7.5

Step-by-step explanation:

8h=60

One solution was found :

                  h = 15/2 = 7.500

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    8*h-(60)=0

Step by step solution :

Step  1  :

Pulling out like terms :

1.1     Pull out like factors :

  8h - 60  =   4 • (2h - 15)

Equation at the end of step  1  :

Step  2  :

Equations which are never true :

2.1      Solve :    4   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

2.2      Solve  :    2h-15 = 0

Add  15  to both sides of the equation :

                     2h = 15

Divide both sides of the equation by 2:

                    h = 15/2 = 7.500

One solution was found :

                  h = 15/2 = 7.500

Processing ends successfully

7 0
3 years ago
Read 2 more answers
How do I solve this problem?
Andrews [41]

so the line is dog so we know the full line is 60 units long. The 2 parts (do and og) add up to the full length so we can make the equation:

(4x-3)+(2x+21)=60

6x+18=60

6x=42

x=7

if you need to fine do or og, just plug in x to its equation

6 0
3 years ago
Which of the following expressions simplifies to a negative number? Select all that apply.
Contact [7]

Answer:

(-1)(-1)(-1)

(-1)(-1)(-1)(-1)(-1)

These, since they are all negatives and there are an odd number of terms.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLZ HELP IM DESPERATE
maw [93]

Answer:

Step-by-step explanation:

Personally I think that cultures who listen to more music, and strictly forbid other kinds of music, are cultures that would more influence this.

I don't know if this is what you were looking for, but have an amazing day either way!

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