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Sergeu [11.5K]
3 years ago
14

Find the value of x if a, b, and c are collinear points and b is between a and c. ab=12,bc=5x−2,ac=3x 20

Mathematics
1 answer:
juin [17]3 years ago
7 0

The value of x is 5

<h3>What is collinear function?</h3>

In geometry, collinearity of a set of points is the property of their lying on a single line. A set of points with this property is said to be collinear. In greater generality, the term has been used for aligned objects, that is, things being "in a line" or "in a row".

<h3>How to solve it?</h3>

Since a, b and c are collinear,

ac = ab + bc

3x + 20 = 12 + 5x - 2

10 = 2x

⇒ x = 5

To know more, visit:

brainly.com/question/13127256

#SPJ4

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Answer:

Part A: -3/7

Part B: y = -2

Step-by-step explanation:

Parallel lines have the same slope. Find the slope of CD. Then substitute it to find the value needed for AB.

The slope formula is

m = \frac{y_2-y_1}{x_2-x_1} = \frac{4-1}{-5-2} = \frac{3}{-7}

Use the same formula and solve for y.

m = \frac{y_2-y_1}{x_2-x_1}\\\\-\frac{3}{7}= \frac{y--5}{-6-1} \\\\\frac{3}{-7} =\frac{y+5}{-7}\\\\3 = y+5\\3-5 = y\\-2 = y

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the cost of playing golf increases with number of games played.Identify the independent and dependent quantity in the situation.
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Find the surface area of a tissue box that is 6 inches wide, 10 inches long, and 5 inches tall
MissTica

Answer:

140

Step-by-step explanation:

SA=lw+lh+hw

6*10=60

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Wich set of angles measure could be the measure of the interior angles of a triangle? 90,42 and 58. 60,60 and 60. 100,48 and 43.
4vir4ik [10]

Answer:

60°,60° and 60°.

Step-by-step explanation:

The sum of the interior angle of a triangle

=180°

So, let us test measured sets to get which of them could be the interior angles of a triangle.

The sum of the first measured set

= 90° + 42° + 58°

=190°

Also, the sum of the second measured set

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The sum of the third measured set,

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Finally, the sum of the fourth measured set

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