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Mandarinka [93]
3 years ago
11

What values of x make the expression (x+4)(x-6) negative

Mathematics
1 answer:
masya89 [10]3 years ago
8 0

Anything under 6 would make it negative as a positive times a negative equals a negative basically the x+4 doesn't matter as long as it's positive and the x-6 as long as that's negative it doesn't matter the area in which they have to be is -3 to 5

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Sauron [17]

Answer: y=3x+4 is parallel to y=3x+7

Step-by-step explanation:

<h3> The complete exercise is: "Is y=3x+4 parallel, perpendicular or neither to y=3x+7?"</h3><h3 />

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope of the line and "b" is the y-intercept.

First, in order to solve this exercise it is important to remember that, by definition:

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2. The slopes of perpendicular lines are negative reciprocal.

In this case, you have the following line given in the exercise:

 y=3x+4

You can identify that "m" and "b" are:

m=3\\b=4

And the other line provided in the exercise is this one:

y=3x+7

So, you can identify that:

m=3\\b=7

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6 0
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Which statement is an example of the symmetric property of congruence?
olchik [2.2K]

The symmetric property of congruence states that if a quantity, say, A is congruent to a quantity, say B, then, the quantity B is congruent to the quantity A.

Mathematically, this statement of the symmetric property of congruence can be written as:

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Read 2 more answers
How to solve 10-3(3x-40)=-9x
vichka [17]
<span>Simplifying 10 + -3(3x + -40) = -9x
 
Reorder the terms: 10 + -3(-40 + 3x) = -9x
10 + (-40 * -3 + 3x * -3) = -9x
10 + (120 + -9x) = -9x
 
Combine like terms: 10 + 120 = 130 130 + -9x = -9x
 
Add '9x' to each side of the equation. 130 + -9x + 9x = -9x + 9x
 
Combine like terms: -9x + 9x = 0 130 + 0 = -9x + 9x 130 = -9x + 9x

Combine like terms: -9x + 9x = 0 130 = 0
 
Solving 130 = 0
 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.</span>
3 0
3 years ago
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