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amm1812
3 years ago
11

Whoever gets this correct first gets brainlest

Mathematics
1 answer:
inna [77]3 years ago
6 0

Answer:

36°

Step-by-step explanation:

From the question,

The sum of the exterior angle of a polygon = 360

From the diagram. the polygon is Decagon

Note: A Decagon is a polygon with 10 sides.

number of sides = 10 .

The exterior angle of a regular polygon = sum of the exterior angle/number of sides.

Exterior angle = 360/10

Exterior angle = 36°

Hence the measure the single extrior angle = 36°

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The combined area of a pair of congruent rectangles can be represented, in square units, by the expression 18y^2-818y 2 −8. The
sveta [45]

Answer:

Perimeter = 12y

Step-by-step explanation:

Given

Area = 18y^2 - 8 -- two rectangles

Required

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First, calculate the area (A) of 1 rectangle

A =\frac{1}{2}Area

A =\frac{1}{2}(18y^2 - 8)

A =9y^2 - 4

Express as difference of two squares

A =(3y - 2)(3y+2)

Area is calculated as:

A = Length * Width

So, by comparison:

Length = 3y - 2

Width = 3y + 2

The perimeter is:

Perimeter = 2 *(Length + Width)

Perimeter = 2 *(3y-2+3y+2)

Collect Like Terms

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8 0
3 years ago
Can someone give the answers for 1-6 ?
FromTheMoon [43]

Answer:

Step-by-step explanation:

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6 0
3 years ago
A letter is drawn at random from the word MATHEMATICS .Find the probability that the letter is vowel given that it appears only
Lapatulllka [165]
It should be 1 over 2 or 1 over 11 but im pretty sure its the first one I picked

5 0
3 years ago
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9966 [12]

Answer:

35 cm ^2

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Sketch the graph of each rational function showing all the key features. Verify your graph by graphing the function on
Sonja [21]

Answer:

The graph crosses the x axis at x=0. For x> 0, it rises to a maximum value and then decreases toward y= 0 as x goes to infinity. For x< 0, it decreases to a minimum values then rises toward y= 0 as x goes to negative infinity. y= 0 is a horizontal asymptote but the graph crosses y= 0 at x= 0.

Step-by-step explanation:

A common mistake that students make is to think that a graph cannot cross a slant or horizontal asymptote. This is not the case! A graph CAN cross slant and horizontal asymptotes (sometimes more than once). It's those vertical asymptote critters that a graph cannot cross.

6 0
3 years ago
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