3 years ago

(x+6)(x-4) Multiply using the distributive property

Mathematics

1 answer:

Nuetrik [128]3 years ago

6 0

the answer is x^2+2x-24

steps-

(x+6)(x-4); x(x)+x(-4) 6(x)+6(-4)

(x^2-4x)+(6x-24)

x^2+2x-24

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Y = x² - 4x convert from standard to vertex form

Pepsi [2]

Answer:

$y = (x-2)^{2} -4$

Step-by-step explanation:

To complete the square: add 4 to both sides because the product of 4 as 2 as the factor which 2 * 2 so $2^{2}$

$y + ? = x^{2} - 4x + ?$

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$y + 4 = x^{2} - 4x + 4$

Now we can factor the expression

$y + 4 = (x-2)^{2}$

Move the 4 to the other side to isolate y which changes the sign

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Step-by-step explanation:

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The measures of the angles of a triangle are shown in the figure below. Find the measure of the smallest angle.

nataly862011 [7]

Answer:

(2x+18) degrees

Step-by-step explanation:

A triangle is a total of 180 degrees, so you would do:

(2x+18)+55+(4x+11)=180

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6x+84=180 <- subtract 84 from both sides of the equation

6x=96 <- divide 6 from each side

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Now that you know what x is you would plug it into each of the angles

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Angle 3: 4x+11 --> 4(16)+18= 64+18= 82

Then out of these three angles of the triangle, angle 1 (2x+18) would be the smallest.

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