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Vesnalui [34]
3 years ago
10

Find the radius of a circle with an area of 615.75 square kilometers.

Mathematics
1 answer:
Mila [183]3 years ago
7 0
To work out radius use this

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What is 9m-3(m+6)=2(m+1)
nignag [31]

Answer:

Step-by-step explanation:

9m-3(m+6)=2(m+1)

9m - 3m - 18 = 2m + 2

6m- 18 = 2m +2

4m = 16

m= 4

4 0
3 years ago
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Plz help me if you're nice. If wrong answer i'll report you
Anna [14]

Answer

z= 14

Step-by-step explanation:

4( 2z-3) -5(z-6) =3 *20

8z-12-5z+30=60

3z+18=60

3z=60-18

3z=42

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3 years ago
Which equation does the graph below represent?
Svetllana [295]
It represents y = -3x
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What is the solution to this equation 8x^2 - 3 = √16x+9
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Answer:x=3/2 or -1

Step-by-step explanation:

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3 years ago
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If A(1,2), B(5,-4) and (-3,2) are the vertices of a triangle, which statement holds true?
Zigmanuir [339]

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The correct option is A.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The length of different sides are:

AB = \sqrt{(5-1)^2+(-4-2)^2} = \sqrt{16+36} = \sqrt{52}\rm\ units

BC = \sqrt{(-3-5)^2+(2+4)^2} = \sqrt{64+36} = 10\rm\ units

AC = \sqrt{(2-2)^2+(-3-1)^2} = \sqrt{16} = 4\rm\ units

Since the length of all the sides of the triangle is not equal it is a scalene triangle.

Hence, the correct option is A.

Learn more about Triangle:

brainly.com/question/2773823

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2 years ago
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