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Gemiola [76]
2 years ago
5

3(-2x + 4) - 4x - 2 = -20

Mathematics
1 answer:
lilavasa [31]2 years ago
6 0

Answer:

x=3

Step-by-step explanation:

:)

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Answer:0.3, 0.386,0.683,0.836


Step-by-step explanation:

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What is the first step in solving the quadratic equation x2 = 1?
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Take the square root of both sides of the equation.

Step-by-step explanation:

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Find the equation of the vertical line passing through the point (5, 5)
Mrac [35]

9514 1404 393

Answer:

  x = 5

Step-by-step explanation:

The equation of a vertical line is of the form ...

  x = constant

In order to make that line go through a point that has an x-coordinate of 5, the value of the constant must be 5.

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3 0
3 years ago
Suppose that the functions s and t are defined for all real numbers x as follows.
Katarina [22]

Answer:

(s + t)(x)= 5x+1

(s - t)(x)= -3x-5

(s.t)(1) = -7

Step-by-step explanation:

Given

s(x) = x - 2

t(x) = 4x + 3

Solving (a): (s + t)(x)

This is calculated as:

(s + t)(x)= s(x) + t(x)

(s + t)(x)= x-2 + 4x + 3

Collect like terms

(s + t)(x)= x+ 4x-2  + 3

(s + t)(x)= 5x+1

Solving (b): (s - t)(x)

This is calculated as:

(s - t)(x)= s(x) - t(x)

(s - t)(x)= x-2 - 4x - 3

Collect like terms

(s - t)(x)= x- 4x-2  - 3

(s - t)(x)= -3x-5

Solving (b): (s . t)(1)

First, we calculate (s.t)(x)

This is calculated as:

(s.t)(x) = s(x)* t(x)

So, we have:

(s.t)(x) = (x - 2) * (4x + 3)

Substitute 1 for x

(s.t)(1) = (1 - 2) * (4*1 + 3)

(s.t)(1) = - 1 * 7

(s.t)(1) = -7

5 0
3 years ago
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