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Rus_ich [418]
3 years ago
7

6. Find average of the following expressions (4-2x), (-7-3x), and (11x+6)

Mathematics
2 answers:
Softa [21]3 years ago
8 0

Answer:

2x + 1.

Step-by-step explanation:

Average = sum of the expression / number of expressions

= [(4 - 2x) + (-7 - 3x) + (11x + 6)] / 3

= (-2x - 3x + 11x + 4 - 7 + 6) / 3

= 6x + 3 / 3

= 2x + 1

svetoff [14.1K]3 years ago
7 0

Answer:

2x+1

Step-by-step explanation:

(4-2x), (-7-3x),(11x+6)

Add the three expressions

(4-2x)+ (-7-3x)+(11x+6)

Combine like terms

-2x-3x+11x+4-7+6

6x+3

Divide by the number of expressions which was 3

(6x+3)/3

2x+1

The average is 2x+1

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I will fail if i dont pass this test plzz helpp!!​
kirza4 [7]

Answer:

3.38

yes

Step-by-step explanation:

2.76+4.0=6.76

6.76/2=3.38

5 0
3 years ago
How do u do order of operations
Blizzard [7]
Order of operations tells you what to do in which order when you have a bunch of different operators. the abbreviation is PEMDAS, which stands for the order:

1. parentheses
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3 0
3 years ago
Read 2 more answers
Graph the image of Kite BCDE after a translation 5 units down.​
NeTakaya

Answer:

See attachment for the translated kite

<em></em>

Step-by-step explanation:

Given

The attached image of BCDE

Required

Translate 5 units down

From the attachment;

B = (-7,0)

C = (0,5)

D =(-7,10)

E = (-10,5)

The rule to translate 5 units down is:

(x,y) \to (x,y-5)

So:

B' = (-7,-5)

C' = (0,0)

D' = (-7,5)

E' = (-10,0)

<em>See attachment for the translated kite</em>

3 0
2 years ago
Consider the equation 5x (2x + 1) - 3(2x + 1) = 0.
kondor19780726 [428]

Answer:

It is equivalent to 15x – 3)(2x + 1) = 0.       False

It is equivalent to (5x – 3)(2x + 1) = 0        True

Either   x=-1/2   or    5/3

Step-by-step explanation:

Consider the equation 5x (2x + 1) - 3(2x + 1) = 0.

It is equivalent to 15x – 3)(2x + 1) = 0.       False

It is equivalent to (5x – 3)(2x + 1) = 0        True

When you take pull-out (2x+1), you will be left with (5x-3)

5x (2x + 1) - 3(2x + 1) = 0.

(2x+1)(5x-3)=0

Either 2x + 1 = 0                        

2x = -1    

Divide both-side of the equation by 2

2x/2 = -1/2                                    

  x= -1/2                                        

OR

5x-3 =0

5x = 3

Divide both-side of the equation by 5

5x/5 = 3/5

x = 5/3

Either   x=-1/2   or    5/3

7 0
3 years ago
Given: sin θ = 0.8660 hypotenuse = 0.25 Find: θ = (please explain).
Bad White [126]

Answer:

Given that

sinθ = 0.8660

⇒ sinθ = 0.8660 = √3/2

⇒ θ = sin⁻¹(√3/2)

⇒ θ = 60°

8 0
3 years ago
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