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2 years ago

Solve for x: x /6−y/3= 1 SHOW WORK

1 answer:

3 0

$\dfrac x6 - \dfrac y3 =1\\\\\\\implies \dfrac x6 - \dfrac{2y}6 = 1\\\\\\\implies \dfrac{x-2y}6 =1\\\\\\\implies x -2y =6\\\\\\\implies x =6+2y\\\\\\\implies x = 2(3 +y)$

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Which expression is not a perfect square trinomial?

puteri [66]

Answer:

Remember that a perfect square trinomial can be factored into the form (a+b)^2

or (a-b)^2

Examples:

(x+2)(x+2) is a perfect sq trinomial --> x^2+4x+4

(x-3)(x-3) is a perfect sq trinomial --> x^2-6x+9

(x+2)(x-3) is not a perfect square trinomial because its not in the form (a+b)^2 or (a-b)^2

Now to answer your question,

for the first one, x^2-16x-64, you cannot factor it so it is not a perfect square trinomial

for the second one, 4x^2 + 12x + 9, you can factor that into (2x+3)(2x+3) = (2x+3)^2 so this is a perfect square trinomial

for the third one, x^2+20x+100 can be factored into (x+10)(x+10) so this is also a perfect square trinomial

for the fourth one, x^2+4x+16 cannot be factored so this is not a perfect square trinomial

Therefore, your answer is choices 2 and 3

Read more on Brainly.com - brainly.com/question/10522355#readmore

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Solve for x.<br> 5x – 4 ≥ 12<br> OR<br> 12x + 5 ≤ -4

VARVARA [1.3K]

Answer:

x≥16/5

Step-by-step explanation:

5x-4≥12

5x≥16

x≥16/5

4 0

3 years ago

No Explanation Please Don't Answer

vazorg [7]

Answer:

A) $\frac{1}{2}(9+15)w$

Step-by-step explanation:

Area of a trapezoid is $\frac{1}{2}(base1+base2) *h$

$A=\frac{1}{2}(9+15)*w$

8 0

2 years ago

Eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeebrainliest

weeeeeb [17]

Answer:

1/3

Step-by-step explanation:

Divide the numerator and denominator by 6.

6/18 = 1/3

5 0

3 years ago

What must be a factor on the polynomial Function F(x) graphed on the coordinate plane below?

vfiekz [6]

Answer:

x - 1

Step-by-step explanation:

The graph touches the x-axis at x = 1, its factor would be (x - 1)

3 0

2 years ago