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3 years ago

What values of P and Q result in an equation with exactly one solution? Px+Q=-19x+18

Mathematics

1 answer:

eduard3 years ago

3 0

Y = mx + b
not sure if this is how you need it done but i hope it helps

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In the set of real numbers, the first number less than -3 is -4. True False

mariarad [96]

True, -4 seems bigger because 4 is bigger than 3 but it's negative and is further away from 0

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8 divided by 2 (2+2). 1 or 16

laiz [17]

Answer:

Step-by-step explanation:

$8/2(2+2)$

Following the order of operations (PEMDAS), combine the terms in your parentheses:

$8/2(4)$

Remember that we follow the order of operations from left to right.

Divide 8 into 2:

$4(4)$

Multiply:

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Answer:

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PLEASE HELP ME NOW URGENT

timama [110]

ANSWER

$y = 3 \pm \sqrt{21}$

EXPLANATION

The quadratic equation is:

${y}^{2} - 6y - 12 = 0$

Group variable terms:

${y}^{2} - 6y = 12$

Add the square of half, the coefficient of y to both sides.

${y}^{2} - 6y + ( - 3) ^{2} = 12 + ( - 3) ^{2}$

${y}^{2} - 6y + 9= 12 + 9$

The LHS us now a perfect square trinomial:

${(y - 3)}^{2}= 21$

Take square root:

$y - 3 = \pm \sqrt{21}$

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The first choice is correct.

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3 years ago

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mixas84 [53]

Answer:

Step-by-step explanation:

The first box should be 20.

The second box should be 40

The third box should be .2

The fourth box should be .6

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