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4 years ago

Using the numbers 8, 6, 4, and 2 write an expression that equals 32

Mathematics

1 answer:

Andrej [43]4 years ago

5 0

The expression is 8(6-4)•2 .

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3 years ago

Identify the solution set for: −2|−2x−4|=−12

myrzilka [38]

Answer:

C: {−5, 1)

Step-by-step explanation:

Starting with −2|−2x−4|=−12, divide both sides by -2:

|−2x−4| = 6

Reduce this by dividing all terms by 2:

|-x - 2| = 3

This is equivalent to x + 2 = 3 and x + 2 = - 3

Solving thse two equations, we get x = 1 and x = -5

And so the solution set is C: {−5, 1)

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3 years ago

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Use the order of operations to simplify 4 3/5 + 15 divided by 5 - 1/5

Sonbull [250]

Answer:

The answer is 7.4

Step-by-step explanation: I don’t really know a better way to tell you the explanation than just tell you the answer

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3 years ago

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Sovle for x . 4(x-4)=36

Katena32 [7]

Answer:

below

Step-by-step explanation:

$x.4 ( x-4) = 36 \\$

$4x(x-4) = 36 \\$

$4x^{2} - 16x = 36$

add -36 to both sides

$4x^{2} - 16x - 36 = 36 -36 \\4x^{2} -16x - 36 = 0$

divide both sides by 2

$\frac{4x^{2} - 16x - 36 }{4} = 0/4$

$x^{2} -4x-9 = 0$

This is a quadratic equation

let's solve it by graphing it

The solution are the x-coordinates of the intersection points

The x-coordinates of the intersection points are approximatively -1.6 and 5.6

7 0

4 years ago