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Setler [38]
3 years ago
8

Exam: Final

Mathematics
2 answers:
rewona [7]3 years ago
6 0

Answer:

D)

6x - 4

Step-by-step explanation:

Perimeter of a rectangle = 2(length + width)

where,

Length = 2x - 3; width = x + 1

Thus,

p = 2(2x - 3 + x + 1)

Collect like terms in the bracket

p = 2(2x + x - 3 + 1)

p = 2(3x - 2)

Expand the bracket

p = 6x - 4

Elan Coil [88]3 years ago
4 0

Answer:

D. 6x-4

Step-by-step explanation:

Since the perimeter of rectangle is;

2 [length + width]

length = (2x - 3)

width = (x + 1)

2 [(2x - 3) + (x + 1)]

4x - 6 + 2x + 2

6x - 4

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Suive the equation.<br> 3(k - 6) = 15
svp [43]

Answer:

k=11

Step-by-step explanation:

3(k - 6) = 15

Divide each side by 3

3/3(k - 6) = 15/3

k - 6 = 5

Add 6 to each side

k-6+6 = 5+6

k = 11

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3 years ago
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Ne4ueva [31]

Answer:


Step-by-step explanation:

The measure of angle one is 115 degrees because the angle with 115 degrees and angle one are alternate interior angles and alternate interior angles are congruent.

The measure of angle two is also 115 degrees because angle one and angle two are vertical angles and vertical angles are congruent.

The measure of angle three is 148 degrees because same side interior angles are always supplementary (supplementary = adds up to 180 degrees).

The measure of angle four is also 148 degrees because angle three and angle four are vertical angles and vertical angles are congruent.

The measure of angle five is 32 degrees because angle five and the angle which is given to be 32 degrees are alternate interior angles and alternate interior angles are congruent.

The measure of angle six is 65 degrees because straight lines are 180 degrees on each side. Angle six and the 115 degree angle (which is given) are supplementary (adds up to 180 degrees) because definition of a straight line.

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3 years ago
Which of the following graphs represents an odd function?
Tems11 [23]
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Multiply and simplify. (12 2/3)(3 1/4)<br><br> A) 36 1/12<br> B) 36 1/6<br> C) 41 1/12<br> D) 41 1/6
Tanya [424]

Answer:

41 1/6 is the answer lets do it step by step

Step-by-step explanation:

You are usually taught to multiply the improper fractions and simplify the result.

.. (38/3)*(13/4) = (38/4)*(13/3)

.. = (19/2)*(13/3)

.. = (19*13)/6

.. = 247/6

.. = 41 1/6

You can also multiply the parts.

.. (12 2/3)*(3 1/4) = 12*3 + 12*(1/4) +(2/3)*3 +(2/3)*(1/4)

.. = 36 +3 +2 +1/6

.. = 41 1/6

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Answer:

11 = m/2 +7

4 = m/2

m = 8

Step-by-step explanation:

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