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N76 [4]
3 years ago
14

|3x| = 9 Variable please.

Mathematics
1 answer:
Lorico [155]3 years ago
7 0

Answer:

x = 3 or x = -3

Step-by-step explanation:

The absolute value of 3x = 9

Divide nine by 3 to get 3

Absolute value represents the number of spaces an integer is from 0, so the answer could also be -3, as the absolute value of 3 x -3   (-9) is 9.

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3 years ago
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Find the value of x.
castortr0y [4]

The angle x has a measure of 110 degrees

<h3>How to determine the value of x?</h3>

From the question, we have the triangle shape that can be used in our computation:

On the triangle, the external angles are

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These angles are on the same straight line with their corresponding internal angles

By the angle on a straight line theorem, we have the internal angles to be

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The sum of these angles is 180

So, we have

180 - x + 180 - 140 + 180 - 110 = 180

Evaluate

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4 0
1 year ago
You rotate triangle ABC, with vertices A(-3, 1), B(-2, 2), and C(-3, 4), 90° counterclockwise about the origin to form triangle
katrin2010 [14]
The rule for going 90 degree counter clockwise is:
(x, y) becomes (y, -x)

Therefore, the new points are:

A(-3, 1) to (1, 3)
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6 0
3 years ago
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What is the equation of the graph below?On a coordinate plane, a curve crosses the y-axis at (0, negative 1). It has a minimum o
zzz [600]

ANSWER:

4th option: y = cosine (x + pi)

STEP-BY-STEP EXPLANATION:

For the function y = cosine (x), when x = 0, y = 1 and when x = , y = -1. The graph shows the opposite, when x = 0, y = -1 and when x = , y = 1, so we must add the same amount x = , for y to be positive 1.

So the equation of the graph would be:

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3 0
1 year ago
What is the quotient of x and three increased by 12 = 20
san4es73 [151]

Answer:

x= 24

Step-by-step explanation:

Quotient means divide, increased means add

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x/3 +12-12 = 20-12

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Multiply each side by 3

x/3 * 3 =8*3

x= 24

8 0
3 years ago
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