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vazorg [7]
3 years ago
5

Which expression is equivalent to (c-2d)(3c-2d)

Mathematics
2 answers:
Zanzabum3 years ago
7 0

Answer: A

Step-by-step explanation:

(c-2d)(3c-2d)

= 3c^2 - 8dc + 4d^2

maxonik [38]3 years ago
5 0

Answer: the first option

Step-by-step explanation:

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Which statement is true about the expression 12- 7 + 3?
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3 0
3 years ago
Please please please help me!
OleMash [197]

Answer:

<76

Step-by-step explanation:

Remark

You can't do this problem unless CD and E are all on the same line. If they are, then you can use || line properties.

Properties

<ABG = x                       Given

<ABG = <BGF               Alternate interior angles are equal.

<BGF = x                       Substitute

x + 2x - 9 = 180             Consecutive angles in a ||gram equal 180 degrees.

3x - 9 = 180                    Add 9 to both sides

3x - 9 +9 = 180 +9

3x = 189                         Divide by 3

x = 63

<DHG = 2x - 50            Given

<DHG = 2*63 - 50         Substitute for x

<DHG = 76

<IDC  = 76

<DHG and <IDC are corresponding angles and are equal; it is a property of parallel lines.

6 0
4 years ago
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