I am a 2 dimensional shape. my perimeter is also known as a circumference

Answers

Answer 1
Answer: a circle...... maybe???
Answer 2
Answer: The answer is circle. The only two dimensional shape that uses circumference as a perimeter is a circle.

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Solve for y:

-y+6+6y=9

Answers

-y + 6 + 6y = 9

First, simplify -y + 6 + 6y to 5y + 6. / Your problem should look like: 5y + 6 = 9
Second, subtract 6 from both sides. / Your problem should look like: 5y = 9 - 6
Third, subtract 9 - 6 to get 3. / Your problem should look like: 5y = 3
Fourth, divide both sides by 5. / Your problem should look like: y =  (3)/(5)

Answer as fraction: y = (3)/(5)
Answer as decimal: 0.6


−y+6+6y=9

(−y+6y)+(6)=9(Combine Like Terms)

5y+6=9

Subtract 6 from both sides.

5y+6−6=9−6

5y=3

Divide both sides by 5.

5y/5=3/5

y=3/5

Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long

Answers

The area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards longis 374.4 yard^2.

What is a regular hexagon?

A regular hexagon is defined as a closed shape consisting of six equal sides and six equal angles. The sum of the measure of angles of a regular hexagon is 120 degrees.

The area of a regular hexagon = (1)/(2) * h* p

It is given that apothem is 10.4 yards and side is 12 yards long.

The area of a regular hexagon = (1)/(2) * h* p

                                               = 6× 10.4 × (12/2)

                                                = 374.4 yard^2

Thus the area of a regular hexagon is 374.4 yard^2.

Learn more about regular hexagons;

brainly.com/question/1694257

Regular hexagon consists of 6 congruent triangles.
So the area, A, of the regular hexagon is 6 x the area of one triangle
The area of a triangle is half the base times the height
The height of a triangle is the apothem of the hexagon and the base is the side of the hexagon.

A = 6* 10.4 * (12/2) yard^2 = 374.4 yard^2

Please help. i dont understand what i have to do and how to get it. thank you

Answers

Answer:

\left[\begin{array}{ccc}9\n10\n\end{array}\right]

Step-by-step explanation:

Evaluate 3a by multiplying each element by 3

3a = 3 \left[\begin{array}{ccc}2\n4\n\end{array}\right] = \left[\begin{array}{ccc}3(2)\n3(4)\n\end{array}\right] = \left[\begin{array}{ccc}6\n12&\n\end{array}\right], then

3a + b

= \left[\begin{array}{ccc}6\n12\n\end{array}\right] + \left[\begin{array}{ccc}3\n-2\n\end{array}\right] ← sum corresponding elements

= \left[\begin{array}{ccc}6+3\n12-2\n\end{array}\right]

= \left[\begin{array}{ccc}9\n10\n\end{array}\right]

How many people preferred WCLM

Answers

96 people preferred WCLM
96 people prefer wclm

3.) What are the solutions to x^2 + 8x + 7 = 0?x = –8 and x = –7

x = –7 and x = –1

x = 1 and x = 7

x = 7 and x = 8

Answers

check if x = -8 is the solution
1. substitute number -8 for x in the equation
(-8)^2 + 8*(-8) + 7 = 0
2. do
calculations on the left size
64 -64 + 7 = 0
7 = 0
3. equality means x is the solution, inequality means it is not
-8 is not the solution to x^2 + 8x + 7 = 0

check other given numbers the same way
x=-7
(-7)^2 + 8*(-7) + 7 = 0
0=0
-7 is the solution

x=-1
(-1)^2 + 8*(-1) + 7 = 0
0=0
-1 is the solution


x=1
(1)^2 + 8*(1) + 7 = 0
16=0
1 is not the solution

x=7
(7)^2 + 8*(7) + 7 = 0
113=0
7 is not the solution


x=8
(8)^2 + 8*(8) + 7 = 0
135=0
8 is not the solution

answer:
The solutions to given equation are -7 and -1.





The answer to this question is
-7+-1=-8
-1+-7=8
1+7=8

Subtract 3x^2 - 2x + 1 from 5x^2 + 3x -7

Answers

(5x^2 + 3x -7) - (3x^2 - 2x + 1)

5x^2 + 3x -7 - 3x^2 + 2x - 1

5x^2 - 3x^2 + 3x +2x - 7 - 1

2x^2 + 5x - 8
5x^2 + 3x -7-(3x^2 - 2x + 1)=\n 5x^2+3x-7-3x^2+2x-1=\n 2x^2+5x-8