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il63 [147K]
2 years ago
11

Find the measure of one interior angle of a regular 7-gon

Mathematics
1 answer:
Mama L [17]2 years ago
5 0

Answer:

128.57 degrees

Step-by-step explanation:

To find the measure of an interior angle of a regular polygon with n sides, we can use the formula: \frac{180(n-2)}{n}

To find the measure of an interior angle of a polygon with 7 sides, all we have to do is plug in 7 into the formula:

\frac{180(7-2)}{7}

7 minus 2 equals 5, so the answer is

180(5)÷7

180 times 5 is equal to 900, and 900 divided by 7 is approximately 128.57

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PLEASE HELP ME THIS.. I REALLY NEED<br> HELP
Colt1911 [192]

9514 1404 393

Answer:

  5 hours

Step-by-step explanation:

A quick way to look at this is to compare the difference in hourly charge to the difference in 0-hour charge.

The first day, the charge is $3 more than $12 per hour.

The second day, the charge is $12 less than $15 per hour.

The difference in 0-hour charges is 3 -(-12) = 15. The difference in per-hour charges is 15 -12 = 3. The ratio of these is ...

  $15/($3/h) = 5 h

The charges are the same after 5 hours.

__

If you write equations for the charges, they will look like ...

  y1 = 15 + 12(x -1)

  y2 = 3 + 15(x -1)

Equating these charges, we have ...

  15 +12(x -1) = 3 + 15(x -1)

  12x +3 = 15x -12 . . . . . . . . eliminate parentheses

  15 = 3x . . . . . . . . . . add 12-12x

  x = 15/3 = 5 . . . . . . divide by 3

You might notice that the math here is very similar to that described in words, above.

The charges are the same after 5 hours.

6 0
2 years ago
Which shows how to solve the equation Three-fourths x = negative 6 for x in one step?
tino4ka555 [31]

Answer:

x = -8

Step-by-step explanation:

Let's put this into numbers: \frac{3}{4}x =-6

The first thing you want to do is to multiply both sides by 4:

3x=-24

Next you need to divide by 3:

x=-8

The answer is -8

5 0
3 years ago
I need help what is the answer to this question
spayn [35]

Answer: D

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A baseball is thrown upwards from a height of 5 feet with an initial speed of 64 feet per second, and its height h (in feet) fro
Bingel [31]
Maximum can be determined by taking derivative and set it equal to zero. 

\frac{d}{dx}(5+64t-16t^2) = 64 - 32t&#10;&#10;64-32t=0&#10;&#10;32t=64&#10;&#10;t=2


3 0
3 years ago
Read 2 more answers
Question 1
Ahat [919]

Answer: x = 22


Explanation:


1) Corresponding sides and correspoding angles of congruent triangles are equal.


2) When you name two congruent triangles the order of the vertices signal which sides and angles are congruents.


That triangle ABC is congruent to triangle DEF means that these are the corresponding parts, which are congruent to each other:


  • ∠A and ∠D are congruent
  • ∠B and ∠ E are congruent
  • ∠C and ∠F are congruent
  • Segment AB and segment DE are congruent
  • Segment BC and segment EF are congruent
  • Segment AC and segment  DF are congruent

In the figures, it is given that the segment DF measures (1/2)x  - 1 and the corresponding segment AC measures 10 units.


Hence, you set this equation: (1/2)x - 1 = 10


Solving for x:

  • (1/2)x = 10 + 1
  • (1/2)x = 11
  • x = 2(11)
  • x = 22 ← answer
5 0
3 years ago
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