3 years ago

What is the greatest common factor of the polynomial below 12x^2-9x

Mathematics

1 answer:

wlad13 [49]3 years ago

3 0

Answer:

the greatest common factor of this is 3

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Solve by completing the square. x^2 + 4x – 1= 0

NNADVOKAT [17]

Answer:

x = -2 ± sqrt(5)

Step-by-step explanation:

x^2 + 4x – 1= 0

Add 1 to each side

x^2 + 4x – 1+1= 0+1

x^2 +4x = 1

Take the coefficient of x

Divide by 2

4/2 =2

Square it

2^2=4

Add it to each side

x^2 +4x+4=1+4

(x+2)^2 = 5

Take the square root of each side

sqrt((x+2)^2 )=± sqrt(5)

x+2 = ± sqrt(5)

Subtract 2 from each side

x+2-2 = -2 ± sqrt(5)

x = -2 ± sqrt(5)

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3 years ago

6 divided by 11 write the quotient as a fraction or mixed number

kolbaska11 [484]

6 divided by 11 equals 0.5454545454545455

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3 years ago

5÷5+6÷6÷6÷6÷6÷6÷6÷6÷6÷6×6×7+7+8+9+3+5*6*6

Reil [10]

Answer:

208.00015

Step-by-step explanation:

Use a calculator. I'm sorry, there's no other way

4 0

3 years ago

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Marco needs 2 gal of paint, he has 10 qts is that enough, explain

DiKsa [7]

Yes it is. A gallon is 4 quarts, so he has more than enough. He has 2 quarts extra.

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3 years ago

Solve the quadratic equation. (x + 6)2 = 49

kykrilka [37]

Answer:

Step-by-step explanation:

To solve, use inverse operations:

$(x+6)^2=49\\\sqrt{(x+6)^2} =\sqrt{49} \\x+6=+/-7$

Now we solve for both +/- 7.

x+6=7

x=1

x+6=-7

x=-13

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3 years ago