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velikii [3]
2 years ago
12

What is the perimeter of 10ft and 18ft of a square simplified

Mathematics
1 answer:
Nadusha1986 [10]2 years ago
6 0

Answer:

56

Step-by-step explanation:

To get the perimeter of a rectangle you add all the sides:

10x2 +18x2

20+36

56

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The end points of a diameter of a circle are (6,2) and (-4,7).
nata0808 [166]

Answer:

Step-by-step explanation:

The standard form equation of a circle with radius r is expressed as

( x − h )^2 + ( y − k )^2 =r ^2 ,

where r represents the radius

h and k are the coordinates of the center of the circle C( h , k )

To determine the coordinates at the center of the circle, the midpoint formula would be used. It is expressed as

[(x1 + x2)/2 , (y1 + y2)/2]

Midpoint of the circle =

(6 - 4)/2 , (2 + 7)/2 = (1, 4.5)

h coordinate of the center = 1

k coordinate of the center = 4.5

r^2 = (x - h)^2 + (2 - k)^2

r^2 = (6 - 1)^2 + (2 - 4.5)^2

r^2 = 5^2 + (- 2.5)^2 = 25 + 6.25

r^2 = 31.25

Substituting r^2 = 31.25, h = 1 and k = 4.5 into (x − h )^2 + ( y − k )^2 = r^2, the standard equation of the circle becomes

(x − 1 )^2 + ( y − 4.5 )^2 = 31.25

8 0
2 years ago
I really need help asap!!!!!!!!!!!!!!
gogolik [260]
The answer i B just finished this.
4 0
2 years ago
The sum of the measures of the interior angles of a polygon with n sides is
defon

ANSWER

(n - 2) \times 180 \degree

EXPLANATION

The sum of the interior angles of a triangle is 180°

We can rewrite this as:

1 \times 180 \degree = (3 - 2) \times 180 \degree = 180 \degree

The sum of interior angles of a quadrilateral is 360°

We can also rewrite this as:

2 \times 180 \degree = (4- 2) \times 180 \degree = 360 \degreeIn general an n-sided polygon has

the sum of the interior angles given by the formula:

(n - 2) \times 180

8 0
3 years ago
Write three hundred eighty-seven thousandths as a decimal number.<br>​
Valentin [98]

Answer:

0.387

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Solve for x<br><br><br> 6x−2(x+4)=12
aev [14]
To solve for x, we will begin by using the distributive property

6x - 2(x + 4) = 12

6x - 2x - 8 = 12

(always remember to sort your negatives!)

Add like terms 

4x - 8 = 12

Add 8 to both sides

4x = 20

Divide both sides by 4

x = 5
3 0
3 years ago
Read 2 more answers
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