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Dovator [93]
3 years ago
12

Write two numbers that multiply to the value on top and add to the value on bottom. 27 -12

Mathematics
2 answers:
stellarik [79]3 years ago
8 0

Answer:

-3 and -9

Step-by-step explanation:

First, it is helpful to write out what is given by the question, with variables x and y.

         x*y = 27

         x+y = -12

Now we will isolate a variable from one and plug it into the other:

         y = -12 - x

         x(-12-x) = 27

         -x^2 -12x -27 = 0

         x^2 + 12x + 27

         (x + 9) (x + 3) = 0

         x must be either -9 or -3

Now we plug those x-values into either equation to get their corresponding y-values:

         -9 + y = -12

         y = -3

         -3 + y = -12

         y = -9

We can see that the first x value (-9) corresponds to y = -3, and the second pair is -3 and -9. Either way, the pair is -3 and -9.

Therefore the pair of numbers must be -3 and -9.

mariarad [96]3 years ago
4 0
Multiply 3x9 and it gives u 27
And -3 plus -9 equal -12
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On a coordinate plane, a line goes through (0, negative 3) and (3, negative 2). A point is at (negative 4, 2).
bulgar [2K]

Answer:

Correct option: first one -> y = (1/3)x + (10/3)

Step-by-step explanation:

The linear function that represents a line is:

y = ax + b

Where a is the slope and b is the y-intercept.

First we need to find the slope of the line that goes through (0, -3) and (3, -2).

Using both points, we can find the equation of the line:

x = 0 -> y = -3

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b = -3

x = 3 -> y = -2

-2 = 3a - 3

3a = 1

a = 1/3

The parallel line needs to have the same slope as the line, so we can model the parallel line with the following equation:

y = (1/3)x + b

The parallel line goes through the point (-4, 2), so we have:

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b = 2 + (4/3)

b = 10/3

So the equation of the parallel line is:

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Correct option: first one

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3 years ago
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Tanya [424]

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Need Assistance<br>Show Work​
Evgesh-ka [11]

Answer:

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Step-by-step explanation:

If we are losing 52 pounds, then our number is -52 since we are losing 52 pounds (adding a negative number to a positive number is the same as subtracting that number).

The opposite of a number is when we negate the number, or multiply it by -1.

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\huge \boxed{\mathfrak{Question} \downarrow}

  • Evaluate the expression ⇨ (-6) squared.

\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}

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This will be equal to..

\sf( - 6 ) ^ { 2 }

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\sf- 6 \times  - 6  \\

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Formula
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