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crimeas [40]
3 years ago
7

ANSWER THIS THX 60 POINTS

Mathematics
2 answers:
Alchen [17]3 years ago
6 0

Answer:

B. -7 + 8n

Step-by-step explanation:

-3.5(2 + -3n) + -2.5n = 0

(2 * -3.5 + -3n * -3.5) + -2.5n = 0

(-7 + 10.5n) + -2.5n = 0

0.5n + -2.5n = 8n

-7 + 8n

adelina 88 [10]3 years ago
3 0

Answer:

B & E

Step-by-step explanation:

Evaluate the expression.

-3.5(2 + -3n) + -2.5n\\(2 * -3.5 + -3n * -3.5) + -2.5n \\(-7 + 10.5n) + -2.5n \\-7 + 8n

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Answer:

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Common denominator of 2/5 and 1/10
olga2289 [7]
The common denominator of 2/5 and 1/10 is 10
3 0
3 years ago
Read 2 more answers
Type integer or fraction as answer simplify answer
vova2212 [387]

Answer:

51/28

Step-by-step explanation:

Start by making common denominators.

<u>7</u>       <u>2</u>

4       4

Now subtract the two.

7   -    2  = <u>5</u>

                 4

Now you have to make common denominators for the second part, 4/7

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7 0
3 years ago
Which of the following is the number of sides for a regular polygon that will not form a regular tessellation?
trasher [3.6K]

Answer with explanation:

A regular polygon is simple closed geometrical shape, only made up of line segments.

And Regular Tessellation, is geometrical shape, made up of regular polygons having, 3 ,or 4 or 6 sides.

It is combination of, only single kind of polygon,either, polygon having 3 sides, or ,4 sides or 6 sides.

→Regular polygon having 3 sides is Called Equilateral Triangle.

→Regular polygon having 4 sides is Called Square.

→Regular polygon having 6 sides is Called Regular Hexagon.

⇒Regular polygon having , 8 sides will not form a regular tessellation.

Option D

6 0
3 years ago
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