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3 years ago

Simplify the expression: 3g - g + 69

Mathematics

2 answers:

professor190 [17]3 years ago

8 0

Answer:

2g + 69

Step-by-step explanation:

Since 3g and g has the same variable: g, you can directly evaluate their co-efficients: 3 and 1.

3g - g = (3-1)g

= 2g

cestrela7 [59]3 years ago

4 0

Answer:

2g+69

Step-by-step explanation:

The answer is just 3g being subtracted by g, or 1g, which will give you 2g. Then, you can't do anything with the + 69 because there is no other numbers to go with it to change, so it stays the same.

Hope it helps!

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Guys, I’m giving you at least 100 points for you to answer to my angles, triangles, and quadrilaterals word problem homework pac

frez [133]

Step-by-step explanation:

For question 22: Notice the congruent symbol on sides AB and CB; this shows that the triangle is isosceles, and in an isosceles triangle, the angles opposite congruent sides are congruent. Thus, angle A actually equals angle C.

In other the find B, it is know that all of the interior angles of a triangle must add to 180; thus, this can be written as: angle A + angle B + angle C = 180.

Since you already know angles A and C, subtract angle A and angle C from 180 to get angle B.

For question 23:

Notice that triangle DBC is an isosceles triangle, and that angle D and angle C are opposite of congruent sides, indicating that they are equal. Since the interior angles of a triangle must add up to 180, and you know that angle D equals angle C, you can find angle DBC by doing 180 - (2 * angle D).

Now that you have angle DBC, you can find angle CBA; since these two angles form a straight line, you know they must add to 180 degrees. Thus, 180 - angle DBC equals angle CBA.

Now, notice that triangle CBA is also isosceles, and that angles CBA and angle A are opposite congruent sides, indicating that they are also congruent. Thus, angle A equals angle CBA.

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4 0

2 years ago

Need help with these two question!!??

lawyer [7]

The measure of x in both parts is: 120°

Step-by-step explanation:

Part A:

We can clearly see that the figure in part a has six equal sides. So the given figure is a hexagon.

A hexagon has six equal sides in six equal interior angles.

Sum of interior angles of hexagon is 720°

So,

$Measure\ of\ one\ agnle=\frac{Sum\ of\ interior\ angles}{number\ of\ angles}\\=\frac{720}{6}\\=120$

Part B:

The figure is a Dodecagon with 12 sides.

The Dodecagon has 12 equal sides and angles.

The sum of internal angles of Dodecagon is 1440°

So,

$Measure\ of\ one\ angle=\frac{Sum\ of\ angles}{Number\ of\ angles}\\=\frac{1440}{12}\\=120$

The measure of x in both parts is: 120°

Keywords: Polygons, Hexagon

Learn more about polygons at:

#LearnwithBrainly

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3 years ago

Whats the answer to x+56=45-x

adoni [48]

Answer:

Step-by-step explanation:

The answer is no solution or a 0 with a line through it

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lara31 [8.8K]

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3 years ago

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bulgar [2K]

Answer:

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Step-by-step explanation:

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